Mercurial > p > roundup > code

annotate doc/design.txt @ 1640:d0b29215aa44

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
pre-release stuff
author Richard Jones <richard@users.sourceforge.net>
date Fri, 09 May 2003 05:04:34 +0000
parents f5d53a939b67
children b9c1226cb600
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1 ========================================================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
2 Roundup - An Issue-Tracking System for Knowledge Workers
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
3 ========================================================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
4
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
5 :Authors: Ka-Ping Yee (original__), Richard Jones (implementation)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
6
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
7 __ spec.html
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
8
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
9 .. contents::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
10
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
11 Introduction
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
12 ---------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
13
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
14 This document presents a description of the components
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
15 of the Roundup system and specifies their interfaces and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
16 behaviour in sufficient detail to guide an implementation.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
17 For the philosophy and rationale behind the Roundup design,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
18 see the first-round Software Carpentry submission for Roundup.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
19 This document fleshes out that design as well as specifying
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
20 interfaces so that the components can be developed separately.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
21
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
22
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
23 The Layer Cake
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
24 -----------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
25
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
26 Lots of software design documents come with a picture of
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
27 a cake. Everybody seems to like them. I also like cakes
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
28 (i think they are tasty). So i, too, shall include
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
29 a picture of a cake here::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
30
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
31 _________________________________________________________________________
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
32 | E-mail Client | Web Browser | Detector Scripts | Shell |
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
33 |------------------+-----------------+----------------------+-------------|
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
34 | E-mail User | Web User | Detector | Command |
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
35 |-------------------------------------------------------------------------|
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
36 | Roundup Database Layer |
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
37 |-------------------------------------------------------------------------|
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
38 | Hyperdatabase Layer |
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
39 |-------------------------------------------------------------------------|
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
40 | Storage Layer |
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
41 -------------------------------------------------------------------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
42
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
43 The colourful parts of the cake are part of our system;
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
44 the faint grey parts of the cake are external components.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
45
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
46 I will now proceed to forgo all table manners and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
47 eat from the bottom of the cake to the top. You may want
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
48 to stand back a bit so you don't get covered in crumbs.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
49
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
50
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
51 Hyperdatabase
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
52 -------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
53
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
54 The lowest-level component to be implemented is the hyperdatabase.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
55 The hyperdatabase is intended to be
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
56 a flexible data store that can hold configurable data in
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
57 records which we call items.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
58
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
59 The hyperdatabase is implemented on top of the storage layer,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
60 an external module for storing its data. The storage layer could
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
61 be a third-party RDBMS; for a "batteries-included" distribution,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
62 implementing the hyperdatabase on the standard bsddb
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
63 module is suggested.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
64
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
65 Dates and Date Arithmetic
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
66 ~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
67
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
68 Before we get into the hyperdatabase itself, we need a
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
69 way of handling dates. The hyperdatabase module provides
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
70 Timestamp objects for
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
71 representing date-and-time stamps and Interval objects for
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
72 representing date-and-time intervals.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
73
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
74 As strings, date-and-time stamps are specified with
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
75 the date in international standard format
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
76 (``yyyy-mm-dd``)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
77 joined to the time (``hh:mm:ss``)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
78 by a period "``.``". Dates in
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
79 this form can be easily compared and are fairly readable
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
80 when printed. An example of a valid stamp is
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
81 "``2000-06-24.13:03:59``".
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
82 We'll call this the "full date format". When Timestamp objects are
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
83 printed as strings, they appear in the full date format with
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
84 the time always given in GMT. The full date format is always
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
85 exactly 19 characters long.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
86
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
87 For user input, some partial forms are also permitted:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
88 the whole time or just the seconds may be omitted; and the whole date
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
89 may be omitted or just the year may be omitted. If the time is given,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
90 the time is interpreted in the user's local time zone.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
91 The Date constructor takes care of these conversions.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
92 In the following examples, suppose that ``yyyy`` is the current year,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
93 ``mm`` is the current month, and ``dd`` is the current
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
94 day of the month; and suppose that the user is on Eastern Standard Time.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
95
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
96 - "2000-04-17" means <Date 2000-04-17.00:00:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
97 - "01-25" means <Date yyyy-01-25.00:00:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
98 - "2000-04-17.03:45" means <Date 2000-04-17.08:45:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
99 - "08-13.22:13" means <Date yyyy-08-14.03:13:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
100 - "11-07.09:32:43" means <Date yyyy-11-07.14:32:43>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
101 - "14:25" means
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
102 - <Date yyyy-mm-dd.19:25:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
103 - "8:47:11" means
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
104 - <Date yyyy-mm-dd.13:47:11>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
105 - the special date "." means "right now"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
106
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
107
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
108 Date intervals are specified using the suffixes
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
109 "y", "m", and "d". The suffix "w" (for "week") means 7 days.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
110 Time intervals are specified in hh:mm:ss format (the seconds
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
111 may be omitted, but the hours and minutes may not).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
112
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
113 - "3y" means three years
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
114 - "2y 1m" means two years and one month
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
115 - "1m 25d" means one month and 25 days
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
116 - "2w 3d" means two weeks and three days
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
117 - "1d 2:50" means one day, two hours, and 50 minutes
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
118 - "14:00" means 14 hours
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
119 - "0:04:33" means four minutes and 33 seconds
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
120
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
121
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
122 The Date class should understand simple date expressions of the form
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
123 *stamp* ``+`` *interval* and *stamp* ``-`` *interval*.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
124 When adding or subtracting intervals involving months or years, the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
125 components are handled separately. For example, when evaluating
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
126 "``2000-06-25 + 1m 10d``", we first add one month to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
127 get 2000-07-25, then add 10 days to get
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
128 2000-08-04 (rather than trying to decide whether
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
129 1m 10d means 38 or 40 or 41 days).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
130
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
131 Here is an outline of the Date and Interval classes::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
132
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
133 class Date:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
134 def __init__(self, spec, offset):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
135 """Construct a date given a specification and a time zone offset.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
136
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
137 'spec' is a full date or a partial form, with an optional
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
138 added or subtracted interval. 'offset' is the local time
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
139 zone offset from GMT in hours.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
140 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
141
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
142 def __add__(self, interval):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
143 """Add an interval to this date to produce another date."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
144
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
145 def __sub__(self, interval):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
146 """Subtract an interval from this date to produce another date."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
147
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
148 def __cmp__(self, other):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
149 """Compare this date to another date."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
150
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
151 def __str__(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
152 """Return this date as a string in the yyyy-mm-dd.hh:mm:ss format."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
153
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
154 def local(self, offset):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
155 """Return this date as yyyy-mm-dd.hh:mm:ss in a local time zone."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
156
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
157 class Interval:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
158 def __init__(self, spec):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
159 """Construct an interval given a specification."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
160
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
161 def __cmp__(self, other):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
162 """Compare this interval to another interval."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
163
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
164 def __str__(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
165 """Return this interval as a string."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
166
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
167
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
168
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
169 Here are some examples of how these classes would behave in practice.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
170 For the following examples, assume that we are on Eastern Standard
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
171 Time and the current local time is 19:34:02 on 25 June 2000::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
172
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
173 >>> Date(".")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
174 <Date 2000-06-26.00:34:02>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
175 >>> _.local(-5)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
176 "2000-06-25.19:34:02"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
177 >>> Date(". + 2d")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
178 <Date 2000-06-28.00:34:02>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
179 >>> Date("1997-04-17", -5)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
180 <Date 1997-04-17.00:00:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
181 >>> Date("01-25", -5)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
182 <Date 2000-01-25.00:00:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
183 >>> Date("08-13.22:13", -5)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
184 <Date 2000-08-14.03:13:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
185 >>> Date("14:25", -5)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
186 <Date 2000-06-25.19:25:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
187 >>> Interval(" 3w 1 d 2:00")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
188 <Interval 22d 2:00>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
189 >>> Date(". + 2d") - Interval("3w")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
190 <Date 2000-06-07.00:34:02>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
191
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
192 Items and Classes
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
193 ~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
194
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
195 Items contain data in properties. To Python, these
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
196 properties are presented as the key-value pairs of a dictionary.
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
197 Each item belongs to a class which defines the names
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
198 and types of its properties. The database permits the creation
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
199 and modification of classes as well as items.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
200
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
201 Identifiers and Designators
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
202 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
203
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
204 Each item has a numeric identifier which is unique among
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
205 items in its class. The items are numbered sequentially
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
206 within each class in order of creation, starting from 1.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
207 The designator
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
208 for an item is a way to identify an item in the database, and
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
209 consists of the name of the item's class concatenated with
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
210 the item's numeric identifier.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
211
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
212 For example, if "spam" and "eggs" are classes, the first
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
213 item created in class "spam" has id 1 and designator "spam1".
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
214 The first item created in class "eggs" also has id 1 but has
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
215 the distinct designator "eggs1". Item designators are
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
216 conventionally enclosed in square brackets when mentioned
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
217 in plain text. This permits a casual mention of, say,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
218 "[patch37]" in an e-mail message to be turned into an active
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
219 hyperlink.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
220
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
221 Property Names and Types
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
222 ~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
223
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
224 Property names must begin with a letter.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
225
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
226 A property may be one of five basic types:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
227
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
228 - String properties are for storing arbitrary-length strings.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
229
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
230 - Boolean properties are for storing true/false, or yes/no values.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
231
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
232 - Number properties are for storing numeric values.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
233
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
234 - Date properties store date-and-time stamps.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
235 Their values are Timestamp objects.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
236
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
237 - A Link property refers to a single other item
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
238 selected from a specified class. The class is part of the property;
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
239 the value is an integer, the id of the chosen item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
240
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
241 - A Multilink property refers to possibly many items
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
242 in a specified class. The value is a list of integers.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
243
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
244 *None* is also a permitted value for any of these property
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
245 types. An attempt to store None into a Multilink property stores an empty list.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
246
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
247 A property that is not specified will return as None from a *get*
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
248 operation.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
249
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
250 Hyperdb Interface Specification
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
251 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
252
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
253 TODO: replace the Interface Specifications with links to the pydoc
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
254
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
255 The hyperdb module provides property objects to designate
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
256 the different kinds of properties. These objects are used when
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
257 specifying what properties belong in classes::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
258
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
259 class String:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
260 def __init__(self, indexme='no'):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
261 """An object designating a String property."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
262
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
263 class Boolean:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
264 def __init__(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
265 """An object designating a Boolean property."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
266
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
267 class Number:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
268 def __init__(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
269 """An object designating a Number property."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
270
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
271 class Date:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
272 def __init__(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
273 """An object designating a Date property."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
274
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
275 class Link:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
276 def __init__(self, classname, do_journal='yes'):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
277 """An object designating a Link property that links to
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
278 items in a specified class.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
279
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
280 If the do_journal argument is not 'yes' then changes to
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
281 the property are not journalled in the linked item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
282 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
283
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
284 class Multilink:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
285 def __init__(self, classname, do_journal='yes'):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 """An object designating a Multilink property that links
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
287 to items in a specified class.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
288
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
289 If the do_journal argument is not 'yes' then changes to
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
290 the property are not journalled in the linked item(s).
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
291 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
292
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
293
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
294 Here is the interface provided by the hyperdatabase::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
295
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
296 class Database:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
297 """A database for storing records containing flexible data types."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
298
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
299 def __init__(self, config, journaltag=None):
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
300 """Open a hyperdatabase given a specifier to some storage.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
301
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
302 The 'storagelocator' is obtained from config.DATABASE.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
303 The meaning of 'storagelocator' depends on the particular
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
304 implementation of the hyperdatabase. It could be a file name,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
305 a directory path, a socket descriptor for a connection to a
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
306 database over the network, etc.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
307
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
308 The 'journaltag' is a token that will be attached to the journal
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
309 entries for any edits done on the database. If 'journaltag' is
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
310 None, the database is opened in read-only mode: the Class.create(),
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
311 Class.set(), Class.retire(), and Class.restore() methods are
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
312 disabled.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
313 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
314
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
315 def __getattr__(self, classname):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
316 """A convenient way of calling self.getclass(classname)."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
317
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
318 def getclasses(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
319 """Return a list of the names of all existing classes."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
320
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
321 def getclass(self, classname):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
322 """Get the Class object representing a particular class.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
323
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
324 If 'classname' is not a valid class name, a KeyError is raised.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
325 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
326
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
327 class Class:
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
328 """The handle to a particular class of items in a hyperdatabase."""
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
329
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
330 def __init__(self, db, classname, **properties):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
331 """Create a new class with a given name and property specification.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
332
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
333 'classname' must not collide with the name of an existing class,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
334 or a ValueError is raised. The keyword arguments in 'properties'
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
335 must map names to property objects, or a TypeError is raised.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
336 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
337
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
338 # Editing items:
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
339
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
340 def create(self, **propvalues):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
341 """Create a new item of this class and return its id.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
342
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
343 The keyword arguments in 'propvalues' map property names to values.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
344 The values of arguments must be acceptable for the types of their
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
345 corresponding properties or a TypeError is raised. If this class
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
346 has a key property, it must be present and its value must not
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
347 collide with other key strings or a ValueError is raised. Any other
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
348 properties on this class that are missing from the 'propvalues'
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
349 dictionary are set to None. If an id in a link or multilink
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
350 property does not refer to a valid item, an IndexError is raised.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
351 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
352
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
353 def get(self, itemid, propname):
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
354 """Get the value of a property on an existing item of this class.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
355
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
356 'itemid' must be the id of an existing item of this class or an
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
357 IndexError is raised. 'propname' must be the name of a property
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
358 of this class or a KeyError is raised.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
359 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
360
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
361 def set(self, itemid, **propvalues):
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
362 """Modify a property on an existing item of this class.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
363
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
364 'itemid' must be the id of an existing item of this class or an
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
365 IndexError is raised. Each key in 'propvalues' must be the name
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
366 of a property of this class or a KeyError is raised. All values
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
367 in 'propvalues' must be acceptable types for their corresponding
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
368 properties or a TypeError is raised. If the value of the key
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
369 property is set, it must not collide with other key strings or a
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
370 ValueError is raised. If the value of a Link or Multilink
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
371 property contains an invalid item id, a ValueError is raised.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
372 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
373
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
374 def retire(self, itemid):
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
375 """Retire an item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
376
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
377 The properties on the item remain available from the get() method,
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
378 and the item's id is never reused. Retired items are not returned
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
379 by the find(), list(), or lookup() methods, and other items may
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
380 reuse the values of their key properties.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
381 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
382
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
383 def restore(self, nodeid):
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
384 '''Restpre a retired node.
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
385
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
386 Make node available for all operations like it was before retirement.
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
387 '''
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
388
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
389 def history(self, itemid):
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
390 """Retrieve the journal of edits on a particular item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
391
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
392 'itemid' must be the id of an existing item of this class or an
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
393 IndexError is raised.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
394
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
395 The returned list contains tuples of the form
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
396
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
397 (date, tag, action, params)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
398
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
399 'date' is a Timestamp object specifying the time of the change and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
400 'tag' is the journaltag specified when the database was opened.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
401 'action' may be:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
402
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
403 'create' or 'set' -- 'params' is a dictionary of property values
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
404 'link' or 'unlink' -- 'params' is (classname, itemid, propname)
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
405 'retire' -- 'params' is None
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
406 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
407
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
408 # Locating items:
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
409
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
410 def setkey(self, propname):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
411 """Select a String property of this class to be the key property.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
412
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
413 'propname' must be the name of a String property of this class or
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
414 None, or a TypeError is raised. The values of the key property on
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
415 all existing items must be unique or a ValueError is raised.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
416 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
417
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
418 def getkey(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
419 """Return the name of the key property for this class or None."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
420
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
421 def lookup(self, keyvalue):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
422 """Locate a particular item by its key property and return its id.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
423
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
424 If this class has no key property, a TypeError is raised. If the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
425 'keyvalue' matches one of the values for the key property among
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
426 the items in this class, the matching item's id is returned;
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
427 otherwise a KeyError is raised.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
428 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
429
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
430 def find(self, propname, itemid):
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
431 """Get the ids of items in this class which link to the given items.
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
432
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
433 'propspec' consists of keyword args propname={itemid:1,}
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
434 'propname' must be the name of a property in this class, or a
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
435 KeyError is raised. That property must be a Link or Multilink
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
436 property, or a TypeError is raised.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
437
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
438 Any item in this class whose 'propname' property links to any of the
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
439 itemids will be returned. Used by the full text indexing, which
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
440 knows that "foo" occurs in msg1, msg3 and file7, so we have hits
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
441 on these issues:
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
442
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
443 db.issue.find(messages={'1':1,'3':1}, files={'7':1})
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
444 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
445
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
446 def filter(self, search_matches, filterspec, sort, group):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
447 ''' Return a list of the ids of the active items in this class that
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
448 match the 'filter' spec, sorted by the group spec and then the
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
449 sort spec.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
450 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
451
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
452 def list(self):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
453 """Return a list of the ids of the active items in this class."""
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
454
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
455 def count(self):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
456 """Get the number of items in this class.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
457
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
458 If the returned integer is 'numitems', the ids of all the items
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
459 in this class run from 1 to numitems, and numitems+1 will be the
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
460 id of the next item to be created in this class.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
461 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
462
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
463 # Manipulating properties:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
464
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
465 def getprops(self):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
466 """Return a dictionary mapping property names to property objects."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
467
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
468 def addprop(self, **properties):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
469 """Add properties to this class.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
470
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
471 The keyword arguments in 'properties' must map names to property
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
472 objects, or a TypeError is raised. None of the keys in 'properties'
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
473 may collide with the names of existing properties, or a ValueError
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
474 is raised before any properties have been added.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
475 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
476
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
477 def getitem(self, itemid, cache=1):
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
478 ''' Return a Item convenience wrapper for the item.
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
479
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
480 'itemid' must be the id of an existing item of this class or an
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
481 IndexError is raised.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
482
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
483 'cache' indicates whether the transaction cache should be queried
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
484 for the item. If the item has been modified and you need to
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
485 determine what its values prior to modification are, you need to
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
486 set cache=0.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
487 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
488
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
489 class Item:
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
490 ''' A convenience wrapper for the given item. It provides a mapping
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
491 interface to a single item's properties
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
492 '''
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
493
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
494 Hyperdatabase Implementations
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
495 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
496
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
497 Hyperdatabase implementations exist to create the interface described in the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
498 `hyperdb interface specification`_
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
499 over an existing storage mechanism. Examples are relational databases,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
500 \*dbm key-value databases, and so on.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
501
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
502 Several implementations are provided - they belong in the roundup.backends
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
503 package.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
504
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
505
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
506 Application Example
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
507 ~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
508
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
509 Here is an example of how the hyperdatabase module would work in practice::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
510
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
511 >>> import hyperdb
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
512 >>> db = hyperdb.Database("foo.db", "ping")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
513 >>> db
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
514 <hyperdb.Database "foo.db" opened by "ping">
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
515 >>> hyperdb.Class(db, "status", name=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
516 <hyperdb.Class "status">
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
517 >>> _.setkey("name")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
518 >>> db.status.create(name="unread")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
519 1
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
520 >>> db.status.create(name="in-progress")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
521 2
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
522 >>> db.status.create(name="testing")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
523 3
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
524 >>> db.status.create(name="resolved")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
525 4
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
526 >>> db.status.count()
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
527 4
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
528 >>> db.status.list()
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
529 [1, 2, 3, 4]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
530 >>> db.status.lookup("in-progress")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
531 2
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
532 >>> db.status.retire(3)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
533 >>> db.status.list()
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
534 [1, 2, 4]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
535 >>> hyperdb.Class(db, "issue", title=hyperdb.String(), status=hyperdb.Link("status"))
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
536 <hyperdb.Class "issue">
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
537 >>> db.issue.create(title="spam", status=1)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
538 1
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
539 >>> db.issue.create(title="eggs", status=2)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
540 2
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
541 >>> db.issue.create(title="ham", status=4)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
542 3
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
543 >>> db.issue.create(title="arguments", status=2)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
544 4
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
545 >>> db.issue.create(title="abuse", status=1)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
546 5
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
547 >>> hyperdb.Class(db, "user", username=hyperdb.Key(), password=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
548 <hyperdb.Class "user">
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
549 >>> db.issue.addprop(fixer=hyperdb.Link("user"))
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
550 >>> db.issue.getprops()
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
551 {"title": <hyperdb.String>, "status": <hyperdb.Link to "status">,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
552 "user": <hyperdb.Link to "user">}
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
553 >>> db.issue.set(5, status=2)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
554 >>> db.issue.get(5, "status")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
555 2
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
556 >>> db.status.get(2, "name")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
557 "in-progress"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
558 >>> db.issue.get(5, "title")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
559 "abuse"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
560 >>> db.issue.find("status", db.status.lookup("in-progress"))
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
561 [2, 4, 5]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
562 >>> db.issue.history(5)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
563 [(<Date 2000-06-28.19:09:43>, "ping", "create", {"title": "abuse", "status": 1}),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
564 (<Date 2000-06-28.19:11:04>, "ping", "set", {"status": 2})]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
565 >>> db.status.history(1)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
566 [(<Date 2000-06-28.19:09:43>, "ping", "link", ("issue", 5, "status")),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
567 (<Date 2000-06-28.19:11:04>, "ping", "unlink", ("issue", 5, "status"))]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
568 >>> db.status.history(2)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
569 [(<Date 2000-06-28.19:11:04>, "ping", "link", ("issue", 5, "status"))]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
570
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
571
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
572 For the purposes of journalling, when a Multilink property is
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
573 set to a new list of items, the hyperdatabase compares the old
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
574 list to the new list.
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
575 The journal records "unlink" events for all the items that appear
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
576 in the old list but not the new list,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
577 and "link" events for
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
578 all the items that appear in the new list but not in the old list.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
579
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
580
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
581 Roundup Database
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
582 ----------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
583
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
584 The Roundup database layer is implemented on top of the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
585 hyperdatabase and mediates calls to the database.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
586 Some of the classes in the Roundup database are considered
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
587 issue classes.
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
588 The Roundup database layer adds detectors and user items,
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
589 and on issues it provides mail spools, nosy lists, and superseders.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
590
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
591 Reserved Classes
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
592 ~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
593
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
594 Internal to this layer we reserve three special classes
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
595 of items that are not issues.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
596
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
597 Users
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
598 """""
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
599
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
600 Users are stored in the hyperdatabase as items of
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
601 class "user". The "user" class has the definition::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
602
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
603 hyperdb.Class(db, "user", username=hyperdb.String(),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
604 password=hyperdb.String(),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
605 address=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
606 db.user.setkey("username")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
607
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
608 Messages
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
609 """"""""
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
610
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
611 E-mail messages are represented by hyperdatabase items of class "msg".
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
612 The actual text content of the messages is stored in separate files.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
613 (There's no advantage to be gained by stuffing them into the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
614 hyperdatabase, and if messages are stored in ordinary text files,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
615 they can be grepped from the command line.) The text of a message is
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
616 saved in a file named after the message item designator (e.g. "msg23")
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
617 for the sake of the command interface (see below). Attachments are
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
618 stored separately and associated with "file" items.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
619 The "msg" class has the definition::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
620
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
621 hyperdb.Class(db, "msg", author=hyperdb.Link("user"),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
622 recipients=hyperdb.Multilink("user"),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
623 date=hyperdb.Date(),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
624 summary=hyperdb.String(),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
625 files=hyperdb.Multilink("file"))
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
626
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
627 The "author" property indicates the author of the message
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
628 (a "user" item must exist in the hyperdatabase for any messages
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
629 that are stored in the system).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
630 The "summary" property contains a summary of the message for display
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
631 in a message index.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
632
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
633 Files
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
634 """""
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
635
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
636 Submitted files are represented by hyperdatabase
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
637 items of class "file". Like e-mail messages, the file content
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
638 is stored in files outside the database,
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
639 named after the file item designator (e.g. "file17").
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
640 The "file" class has the definition::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
641
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
642 hyperdb.Class(db, "file", user=hyperdb.Link("user"),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
643 name=hyperdb.String(),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
644 type=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
645
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
646 The "user" property indicates the user who submitted the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
647 file, the "name" property holds the original name of the file,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
648 and the "type" property holds the MIME type of the file as received.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
649
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
650 Issue Classes
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
651 ~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
652
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
653 All issues have the following standard properties:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
654
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
655 =========== ==========================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
656 Property Definition
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
657 =========== ==========================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
658 title hyperdb.String()
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
659 messages hyperdb.Multilink("msg")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
660 files hyperdb.Multilink("file")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
661 nosy hyperdb.Multilink("user")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
662 superseder hyperdb.Multilink("issue")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
663 =========== ==========================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
664
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
665 Also, two Date properties named "creation" and "activity" are
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
666 fabricated by the Roundup database layer. By "fabricated" we
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
667 mean that no such properties are actually stored in the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
668 hyperdatabase, but when properties on issues are requested, the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
669 "creation" and "activity" properties are made available.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
670 The value of the "creation" property is the date when an issue was
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
671 created, and the value of the "activity" property is the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
672 date when any property on the issue was last edited (equivalently,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
673 these are the dates on the first and last records in the issue's journal).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
674
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
675 Roundupdb Interface Specification
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
676 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
677
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
678 The interface to a Roundup database delegates most method
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
679 calls to the hyperdatabase, except for the following
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
680 changes and additional methods::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
681
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
682 class Database:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
683 def getuid(self):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
684 """Return the id of the "user" item associated with the user
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
685 that owns this connection to the hyperdatabase."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
686
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
687 class Class:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
688 # Overridden methods:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
689
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
690 def create(self, **propvalues):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
691 def set(self, **propvalues):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
692 def retire(self, itemid):
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
693 """These operations trigger detectors and can be vetoed. Attempts
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
694 to modify the "creation" or "activity" properties cause a KeyError.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
695 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
696
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
697 # New methods:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
698
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
699 def audit(self, event, detector):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
700 def react(self, event, detector):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
701 """Register a detector (see below for more details)."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
702
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
703 class IssueClass(Class):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
704 # Overridden methods:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
705
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
706 def __init__(self, db, classname, **properties):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
707 """The newly-created class automatically includes the "messages",
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
708 "files", "nosy", and "superseder" properties. If the 'properties'
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
709 dictionary attempts to specify any of these properties or a
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
710 "creation" or "activity" property, a ValueError is raised."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
711
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
712 def get(self, itemid, propname):
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
713 def getprops(self):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
714 """In addition to the actual properties on the item, these
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
715 methods provide the "creation" and "activity" properties."""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
716
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
717 # New methods:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
718
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
719 def addmessage(self, itemid, summary, text):
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
720 """Add a message to an issue's mail spool.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
721
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
722 A new "msg" item is constructed using the current date, the
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
723 user that owns the database connection as the author, and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
724 the specified summary text. The "files" and "recipients"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
725 fields are left empty. The given text is saved as the body
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
726 of the message and the item is appended to the "messages"
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
727 field of the specified issue.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
728 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
729
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
730 def sendmessage(self, itemid, msgid):
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
731 """Send a message to the members of an issue's nosy list.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
732
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
733 The message is sent only to users on the nosy list who are not
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
734 already on the "recipients" list for the message. These users
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
735 are then added to the message's "recipients" list.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
736 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
737
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
738
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
739 Default Schema
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
740 ~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
741
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
742 The default schema included with Roundup turns it into a
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
743 typical software bug tracker. The database is set up like this::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
744
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
745 pri = Class(db, "priority", name=hyperdb.String(), order=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
746 pri.setkey("name")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
747 pri.create(name="critical", order="1")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
748 pri.create(name="urgent", order="2")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
749 pri.create(name="bug", order="3")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
750 pri.create(name="feature", order="4")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
751 pri.create(name="wish", order="5")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
752
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
753 stat = Class(db, "status", name=hyperdb.String(), order=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
754 stat.setkey("name")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
755 stat.create(name="unread", order="1")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
756 stat.create(name="deferred", order="2")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
757 stat.create(name="chatting", order="3")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
758 stat.create(name="need-eg", order="4")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
759 stat.create(name="in-progress", order="5")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
760 stat.create(name="testing", order="6")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
761 stat.create(name="done-cbb", order="7")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
762 stat.create(name="resolved", order="8")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
763
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
764 Class(db, "keyword", name=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
765
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
766 Class(db, "issue", fixer=hyperdb.Multilink("user"),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
767 topic=hyperdb.Multilink("keyword"),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
768 priority=hyperdb.Link("priority"),
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
769 status=hyperdb.Link("status"))
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
770
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
771 (The "order" property hasn't been explained yet. It
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
772 gets used by the Web user interface for sorting.)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
773
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
774 The above isn't as pretty-looking as the schema specification
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
775 in the first-stage submission, but it could be made just as easy
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
776 with the addition of a convenience function like Choice
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
777 for setting up the "priority" and "status" classes::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
778
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
779 def Choice(name, *options):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
780 cl = Class(db, name, name=hyperdb.String(), order=hyperdb.String())
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
781 for i in range(len(options)):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
782 cl.create(name=option[i], order=i)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
783 return hyperdb.Link(name)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
784
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
785
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
786 Detector Interface
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
787 ------------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
788
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
789 Detectors are Python functions that are triggered on certain
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
790 kinds of events. The definitions of the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
791 functions live in Python modules placed in a directory set aside
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
792 for this purpose. Importing the Roundup database module also
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
793 imports all the modules in this directory, and the ``init()``
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
794 function of each module is called when a database is opened to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
795 provide it a chance to register its detectors.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
796
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
797 There are two kinds of detectors:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
798
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
799 1. an auditor is triggered just before modifying an item
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
800 2. a reactor is triggered just after an item has been modified
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
801
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
802 When the Roundup database is about to perform a
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
803 ``create()``, ``set()``, ``retire()``, or ``restore``
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
804 operation, it first calls any *auditors* that
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
805 have been registered for that operation on that class.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
806 Any auditor may raise a *Reject* exception
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
807 to abort the operation.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
808
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
809 If none of the auditors raises an exception, the database
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
810 proceeds to carry out the operation. After it's done, it
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
811 then calls all of the *reactors* that have been registered
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
812 for the operation.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
813
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
814 Detector Interface Specification
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
815 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
816
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
817 The ``audit()`` and ``react()`` methods
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
818 register detectors on a given class of items::
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
819
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
820 class Class:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
821 def audit(self, event, detector):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
822 """Register an auditor on this class.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
823
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
824 'event' should be one of "create", "set", "retire", or "restore".
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
825 'detector' should be a function accepting four arguments.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
826 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
827
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
828 def react(self, event, detector):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
829 """Register a reactor on this class.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
830
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
831 'event' should be one of "create", "set", "retire", or "restore".
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
832 'detector' should be a function accepting four arguments.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
833 """
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
834
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
835 Auditors are called with the arguments::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
836
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
837 audit(db, cl, itemid, newdata)
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
838
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
839 where ``db`` is the database, ``cl`` is an
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
840 instance of Class or IssueClass within the database, and ``newdata``
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
841 is a dictionary mapping property names to values.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
842
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
843 For a ``create()``
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
844 operation, the ``itemid`` argument is None and newdata
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
845 contains all of the initial property values with which the item
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
846 is about to be created.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
847
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
848 For a ``set()`` operation, newdata
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
849 contains only the names and values of properties that are about
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
850 to be changed.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
851
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
852 For a ``retire()`` or ``restore()`` operation, newdata is None.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
853
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
854 Reactors are called with the arguments::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
855
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
856 react(db, cl, itemid, olddata)
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
857
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
858 where ``db`` is the database, ``cl`` is an
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
859 instance of Class or IssueClass within the database, and ``olddata``
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
860 is a dictionary mapping property names to values.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
861
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
862 For a ``create()``
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
863 operation, the ``itemid`` argument is the id of the
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
864 newly-created item and ``olddata`` is None.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
865
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
866 For a ``set()`` operation, ``olddata``
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
867 contains the names and previous values of properties that were changed.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
868
1519
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
869 For a ``retire()`` or ``restore()`` operation, ``itemid`` is the id of
6fede2aa6a12 added ability to restore retired nodes
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1244
diff changeset
870 the retired or restored item and ``olddata`` is None.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
871
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
872 Detector Example
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
873 ~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
874
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
875 Here is an example of detectors written for a hypothetical
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
876 project-management application, where users can signal approval
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
877 of a project by adding themselves to an "approvals" list, and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
878 a project proceeds when it has three approvals::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
879
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
880 # Permit users only to add themselves to the "approvals" list.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
881
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
882 def check_approvals(db, cl, id, newdata):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
883 if newdata.has_key("approvals"):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
884 if cl.get(id, "status") == db.status.lookup("approved"):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
885 raise Reject, "You can't modify the approvals list " \
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
886 "for a project that has already been approved."
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
887 old = cl.get(id, "approvals")
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
888 new = newdata["approvals"]
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
889 for uid in old:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
890 if uid not in new and uid != db.getuid():
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
891 raise Reject, "You can't remove other users from the "
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
892 "approvals list; you can only remove yourself."
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
893 for uid in new:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
894 if uid not in old and uid != db.getuid():
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
895 raise Reject, "You can't add other users to the approvals "
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
896 "list; you can only add yourself."
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
897
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
898 # When three people have approved a project, change its
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
899 # status from "pending" to "approved".
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
900
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
901 def approve_project(db, cl, id, olddata):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
902 if olddata.has_key("approvals") and len(cl.get(id, "approvals")) == 3:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
903 if cl.get(id, "status") == db.status.lookup("pending"):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
904 cl.set(id, status=db.status.lookup("approved"))
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
905
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
906 def init(db):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
907 db.project.audit("set", check_approval)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
908 db.project.react("set", approve_project)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
909
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
910 Here is another example of a detector that can allow or prevent
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
911 the creation of new items. In this scenario, patches for a software
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
912 project are submitted by sending in e-mail with an attached file,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
913 and we want to ensure that there are text/plain attachments on
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
914 the message. The maintainer of the package can then apply the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
915 patch by setting its status to "applied"::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
916
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
917 # Only accept attempts to create new patches that come with patch files.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
918
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
919 def check_new_patch(db, cl, id, newdata):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
920 if not newdata["files"]:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
921 raise Reject, "You can't submit a new patch without " \
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
922 "attaching a patch file."
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
923 for fileid in newdata["files"]:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
924 if db.file.get(fileid, "type") != "text/plain":
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
925 raise Reject, "Submitted patch files must be text/plain."
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
926
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
927 # When the status is changed from "approved" to "applied", apply the patch.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
928
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
929 def apply_patch(db, cl, id, olddata):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
930 if cl.get(id, "status") == db.status.lookup("applied") and \
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
931 olddata["status"] == db.status.lookup("approved"):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
932 # ...apply the patch...
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
933
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
934 def init(db):
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
935 db.patch.audit("create", check_new_patch)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
936 db.patch.react("set", apply_patch)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
937
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
938
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
939 Command Interface
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
940 -----------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
941
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
942 The command interface is a very simple and minimal interface,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
943 intended only for quick searches and checks from the shell prompt.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
944 (Anything more interesting can simply be written in Python using
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
945 the Roundup database module.)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
946
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
947 Command Interface Specification
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
948 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
949
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
950 A single command, roundup, provides basic access to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
951 the hyperdatabase from the command line::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
952
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
953 roundup-admin help
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
954 roundup-admin get [-list] designator[, designator,...] propname
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
955 roundup-admin set designator[, designator,...] propname=value ...
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
956 roundup-admin find [-list] classname propname=value ...
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
957
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
958 See ``roundup-admin help commands`` for a complete list of commands.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
959
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
960 Property values are represented as strings in command arguments
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
961 and in the printed results:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
962
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
963 - Strings are, well, strings.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
964
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
965 - Numbers are displayed the same as strings.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
966
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
967 - Booleans are displayed as 'Yes' or 'No'.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
968
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
969 - Date values are printed in the full date format in the local
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
970 time zone, and accepted in the full format or any of the partial
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
971 formats explained above.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
972
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
973 - Link values are printed as item designators. When given as
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
974 an argument, item designators and key strings are both accepted.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
975
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
976 - Multilink values are printed as lists of item designators
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
977 joined by commas. When given as an argument, item designators
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
978 and key strings are both accepted; an empty string, a single item,
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
979 or a list of items joined by commas is accepted.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
980
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
981 When multiple items are specified to the
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
982 roundup get or roundup set
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
983 commands, the specified properties are retrieved or set
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
984 on all the listed items.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
985
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
986 When multiple results are returned by the roundup get
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
987 or roundup find commands, they are printed one per
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
988 line (default) or joined by commas (with the -list) option.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
989
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
990 Usage Example
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
991 ~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
992
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
993 To find all messages regarding in-progress issues that
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
994 contain the word "spam", for example, you could execute the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
995 following command from the directory where the database
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
996 dumps its files::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
997
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
998 shell% for issue in `roundup find issue status=in-progress`; do
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
999 > grep -l spam `roundup get $issue messages`
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1000 > done
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1001 msg23
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1002 msg49
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1003 msg50
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1004 msg61
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1005 shell%
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1006
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1007 Or, using the -list option, this can be written as a single command::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1008
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1009 shell% grep -l spam `roundup get \
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1010 \`roundup find -list issue status=in-progress\` messages`
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1011 msg23
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1012 msg49
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1013 msg50
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1014 msg61
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1015 shell%
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1016
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1017
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1018 E-mail User Interface
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1019 ---------------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1020
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1021 The Roundup system must be assigned an e-mail address
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1022 at which to receive mail. Messages should be piped to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1023 the Roundup mail-handling script by the mail delivery
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1024 system (e.g. using an alias beginning with "|" for sendmail).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1025
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1026 Message Processing
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1027 ~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1028
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1029 Incoming messages are examined for multiple parts.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1030 In a multipart/mixed message or part, each subpart is
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1031 extracted and examined. In a multipart/alternative
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1032 message or part, we look for a text/plain subpart and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1033 ignore the other parts. The text/plain subparts are
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1034 assembled to form the textual body of the message, to
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1035 be stored in the file associated with a "msg" class item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1036 Any parts of other types are each stored in separate
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1037 files and given "file" class items that are linked to
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1038 the "msg" item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1039
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1040 The "summary" property on message items is taken from
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1041 the first non-quoting section in the message body.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1042 The message body is divided into sections by blank lines.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1043 Sections where the second and all subsequent lines begin
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1044 with a ">" or "|" character are considered "quoting
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1045 sections". The first line of the first non-quoting
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1046 section becomes the summary of the message.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1047
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1048 All of the addresses in the To: and Cc: headers of the
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1049 incoming message are looked up among the user items, and
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1050 the corresponding users are placed in the "recipients"
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1051 property on the new "msg" item. The address in the From:
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1052 header similarly determines the "author" property of the
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1053 new "msg" item.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1054 The default handling for
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1055 addresses that don't have corresponding users is to create
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1056 new users with no passwords and a username equal to the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1057 address. (The web interface does not permit logins for
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1058 users with no passwords.) If we prefer to reject mail from
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1059 outside sources, we can simply register an auditor on the
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1060 "user" class that prevents the creation of user items with
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1061 no passwords.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1062
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1063 The subject line of the incoming message is examined to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1064 determine whether the message is an attempt to create a new
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1065 issue or to discuss an existing issue. A designator enclosed
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1066 in square brackets is sought as the first thing on the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1067 subject line (after skipping any "Fwd:" or "Re:" prefixes).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1068
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1069 If an issue designator (class name and id number) is found
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1070 there, the newly created "msg" item is added to the "messages"
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1071 property for that issue, and any new "file" items are added to
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1072 the "files" property for the issue.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1073
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1074 If just an issue class name is found there, we attempt to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1075 create a new issue of that class with its "messages" property
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1076 initialized to contain the new "msg" item and its "files"
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1077 property initialized to contain any new "file" items.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1078
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1079 Both cases may trigger detectors (in the first case we
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1080 are calling the set() method to add the message to the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1081 issue's spool; in the second case we are calling the
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1082 create() method to create a new item). If an auditor
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1083 raises an exception, the original message is bounced back to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1084 the sender with the explanatory message given in the exception.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1085
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1086 Nosy Lists
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1087 ~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1088
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1089 A standard detector is provided that watches for additions
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1090 to the "messages" property. When a new message is added, the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1091 detector sends it to all the users on the "nosy" list for the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1092 issue that are not already on the "recipients" list of the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1093 message. Those users are then appended to the "recipients"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1094 property on the message, so multiple copies of a message
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1095 are never sent to the same user. The journal recorded by
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1096 the hyperdatabase on the "recipients" property then provides
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1097 a log of when the message was sent to whom.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1098
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1099 Setting Properties
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1100 ~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1101
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1102 The e-mail interface also provides a simple way to set
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1103 properties on issues. At the end of the subject line,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1104 ``propname=value`` pairs can be
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1105 specified in square brackets, using the same conventions
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1106 as for the roundup ``set`` shell command.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1107
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1108
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1109 Web User Interface
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1110 ------------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1111
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1112 The web interface is provided by a CGI script that can be
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1113 run under any web server. A simple web server can easily be
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1114 built on the standard CGIHTTPServer module, and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1115 should also be included in the distribution for quick
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1116 out-of-the-box deployment.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1117
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1118 The user interface is constructed from a number of template
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1119 files containing mostly HTML. Among the HTML tags in templates
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1120 are interspersed some nonstandard tags, which we use as
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1121 placeholders to be replaced by properties and their values.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1122
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1123 Views and View Specifiers
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1124 ~~~~~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1125
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1126 There are two main kinds of views: *index* views and *issue* views.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1127 An index view displays a list of issues of a particular class,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1128 optionally sorted and filtered as requested. An issue view
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1129 presents the properties of a particular issue for editing
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1130 and displays the message spool for the issue.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1131
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1132 A view specifier is a string that specifies
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1133 all the options needed to construct a particular view.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1134 It goes after the URL to the Roundup CGI script or the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1135 web server to form the complete URL to a view. When the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1136 result of selecting a link or submitting a form takes
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1137 the user to a new view, the Web browser should be redirected
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1138 to a canonical location containing a complete view specifier
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1139 so that the view can be bookmarked.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1140
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1141 Displaying Properties
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1142 ~~~~~~~~~~~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1143
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1144 Properties appear in the user interface in three contexts:
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1145 in indices, in editors, and as search filters. For each type of
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1146 property, there are several display possibilities. For example,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1147 in an index view, a string property may just be printed as
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1148 a plain string, but in an editor view, that property should
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1149 be displayed in an editable field.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1150
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1151 The display of a property is handled by functions in
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1152 the ``cgi.templating`` module.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1153
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1154 Displayer functions are triggered by ``tal:content`` or ``tal:replace``
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1155 tag attributes in templates. The value of the attribute
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1156 provides an expression for calling the displayer function.
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1157 For example, the occurrence of::
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1158
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1159 tal:content="context/status/plain"
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1160
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1161 in a template triggers a call to::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1162
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1163 context['status'].plain()
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1164
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1165 where the context would be an item of the "issue" class. The displayer
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1166 functions can accept extra arguments to further specify
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1167 details about the widgets that should be generated.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1168
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1169 Some of the standard displayer functions include:
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1170
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1171 ========= ====================================================================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1172 Function Description
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1173 ========= ====================================================================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1174 plain display a String property directly;
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1175 display a Date property in a specified time zone with an option
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1176 to omit the time from the date stamp; for a Link or Multilink
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1177 property, display the key strings of the linked items (or the
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1178 ids if the linked class has no key property)
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1179 field display a property like the plain displayer above, but in a text
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1180 field to be edited
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1181 menu for a Link property, display a menu of the available choices
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1182 ========= ====================================================================
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1183
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1184 See the `customisation`_ documentation for the complete list.
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1185
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1186
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1187 Index Views
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1188 ~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1189
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1190 An index view contains two sections: a filter section
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1191 and an index section.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1192 The filter section provides some widgets for selecting
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1193 which issues appear in the index. The index section is
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1194 a table of issues.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1195
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1196 Index View Specifiers
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1197 """""""""""""""""""""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1198
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1199 An index view specifier looks like this (whitespace
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1200 has been added for clarity)::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1201
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1202 /issue?status=unread,in-progress,resolved&
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1203 topic=security,ui&
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1204 :group=priority&
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1205 :sort=-activity&
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1206 :filters=status,topic&
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1207 :columns=title,status,fixer
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1208
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1209
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1210 The index view is determined by two parts of the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1211 specifier: the layout part and the filter part.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1212 The layout part consists of the query parameters that
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1213 begin with colons, and it determines the way that the
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1214 properties of selected items are displayed.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1215 The filter part consists of all the other query parameters,
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1216 and it determines the criteria by which items
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1217 are selected for display.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1218
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1219 The filter part is interactively manipulated with
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1220 the form widgets displayed in the filter section. The
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1221 layout part is interactively manipulated by clicking
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1222 on the column headings in the table.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1223
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1224 The filter part selects the union of the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1225 sets of issues with values matching any specified Link
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1226 properties and the intersection of the sets
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1227 of issues with values matching any specified Multilink
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1228 properties.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1229
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1230 The example specifies an index of "issue" items.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1231 Only issues with a "status" of either
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1232 "unread" or "in-progres" or "resolved" are displayed,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1233 and only issues with "topic" values including both
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1234 "security" and "ui" are displayed. The issues
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1235 are grouped by priority, arranged in ascending order;
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1236 and within groups, sorted by activity, arranged in
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1237 descending order. The filter section shows filters
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1238 for the "status" and "topic" properties, and the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1239 table includes columns for the "title", "status", and
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1240 "fixer" properties.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1241
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1242 Associated with each issue class is a default
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1243 layout specifier. The layout specifier in the above
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1244 example is the default layout to be provided with
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1245 the default bug-tracker schema described above in
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1246 section 4.4.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1247
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1248 Index Section
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1249 """""""""""""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1250
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1251 The template for an index section describes one row of
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1252 the index table.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1253 Fragments enclosed in ``<property>...</property>``
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1254 tags are included or omitted depending on whether the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1255 view specifier requests a column for a particular property.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1256 The table cells should contain <display> tags
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1257 to display the values of the issue's properties.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1258
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1259 Here's a simple example of an index template::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1260
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1261 <tr>
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1262 <td tal:condition="request/show/title" tal:content="contex/title"></td>
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1263 <td tal:condition="request/show/status" tal:content="contex/status"></td>
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1264 <td tal:condition="request/show/fixer" tal:content="contex/fixer"></td>
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1265 </tr>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1266
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1267 Sorting
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1268 """""""
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1269
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1270 String and Date values are sorted in the natural way.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1271 Link properties are sorted according to the value of the
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1272 "order" property on the linked items if it is present; or
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1273 otherwise on the key string of the linked items; or
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1274 finally on the item ids. Multilink properties are
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1275 sorted according to how many links are present.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1276
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1277 Issue Views
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1278 ~~~~~~~~~~~
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1279
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1280 An issue view contains an editor section and a spool section.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1281 At the top of an issue view, links to superseding and superseded
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1282 issues are always displayed.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1283
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1284 Issue View Specifiers
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1285 """""""""""""""""""""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1286
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1287 An issue view specifier is simply the issue's designator::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1288
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1289 /patch23
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1290
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1291
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1292 Editor Section
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1293 """"""""""""""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1294
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1295 The editor section is generated from a template
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1296 containing <display> tags to insert
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1297 the appropriate widgets for editing properties.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1298
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1299 Here's an example of a basic editor template::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1300
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1301 <table>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1302 <tr>
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1303 <td colspan=2 tal:content="python:context.title.field(size='60')"></td>
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1304 </tr>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1305 <tr>
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1306 <td tal:content="context/fixer/field"></td>
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1307 <td tal:content="context/status/menu"></td>
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1308 </tr>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1309 <tr>
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1310 <td tal:content="context/nosy/field"></td>
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1311 <td tal:content="context/priority/menu"></td>
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1312 </tr>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1313 <tr>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1314 <td colspan=2>
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1315 <textarea name=":note" rows=5 cols=60></textarea>
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1316 </td>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1317 </tr>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1318 </table>
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1319
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1320 As shown in the example, the editor template can also include a ":note" field,
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1321 which is a text area for entering a note to go along with a change.
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1322
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1323 When a change is submitted, the system automatically
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1324 generates a message describing the changed properties.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1325 The message displays all of the property values on the
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1326 issue and indicates which ones have changed.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1327 An example of such a message might be this::
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1328
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1329 title: Polly Parrot is dead
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1330 priority: critical
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1331 status: unread -> in-progress
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1332 fixer: (none)
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1333 keywords: parrot,plumage,perch,nailed,dead
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1334
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1335 If a note is given in the ":note" field, the note is
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1336 appended to the description. The message is then added
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1337 to the issue's message spool (thus triggering the standard
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1338 detector to react by sending out this message to the nosy list).
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1339
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1340 Spool Section
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1341 """""""""""""
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1342
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1343 The spool section lists messages in the issue's "messages"
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1344 property. The index of messages displays the "date", "author",
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1345 and "summary" properties on the message items, and selecting a
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1346 message takes you to its content.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1347
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1348 Access Control
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1349 --------------
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1350
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1351 At each point that requires an action to be performed, the security mechanisms
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1352 are asked if the current user has permission. This permission is defined as a
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1353 Permission.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1354
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1355 Individual assignment of Permission to user is unwieldy. The concept of a
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1356 Role, which encompasses several Permissions and may be assigned to many Users,
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1357 is quite well developed in many projects. Roundup will take this path, and
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1358 allow the multiple assignment of Roles to Users, and multiple Permissions to
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1359 Roles. These definitions are not persistent - they're defined when the
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1360 application initialises.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1361
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1362 There will be two levels of Permission. The Class level permissions define
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1363 logical permissions associated with all items of a particular class (or all
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
1364 classes). The Item level permissions define logical permissions associated
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1365 with specific items by way of their user-linked properties.
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1366
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1367
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1368 Access Control Interface Specification
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1369 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1370
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1371 The security module defines::
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1372
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1373 class Permission:
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1374 ''' Defines a Permission with the attributes
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1375 - name
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1376 - description
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1377 - klass (optional)
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1378
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1379 The klass may be unset, indicating that this permission is not
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1380 locked to a particular hyperdb class. There may be multiple
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1381 Permissions for the same name for different classes.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1382 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1383
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1384 class Role:
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1385 ''' Defines a Role with the attributes
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1386 - name
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1387 - description
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1388 - permissions
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1389 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1390
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1391 class Security:
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1392 def __init__(self, db):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1393 ''' Initialise the permission and role stores, and add in the
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1394 base roles (for admin user).
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1395 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1396
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1397 def getPermission(self, permission, classname=None):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1398 ''' Find the Permission matching the name and for the class, if the
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1399 classname is specified.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1400
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1401 Raise ValueError if there is no exact match.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1402 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1403
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1404 def hasPermission(self, permission, userid, classname=None):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1405 ''' Look through all the Roles, and hence Permissions, and see if
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1406 "permission" is there for the specified classname.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1407 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1408
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
1409 def hasItemPermission(self, classname, itemid, **propspec):
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1410 ''' Check the named properties of the given item to see if the
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1411 userid appears in them. If it does, then the user is granted
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1412 this permission check.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1413
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1414 'propspec' consists of a set of properties and values that
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1415 must be present on the given item for access to be granted.
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1416
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1417 If a property is a Link, the value must match the property
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1418 value. If a property is a Multilink, the value must appear
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1419 in the Multilink list.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1420 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1421
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1422 def addPermission(self, **propspec):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1423 ''' Create a new Permission with the properties defined in
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1424 'propspec'
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1425 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1426
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1427 def addRole(self, **propspec):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1428 ''' Create a new Role with the properties defined in 'propspec'
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1429 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1430
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1431 def addPermissionToRole(self, rolename, permission):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1432 ''' Add the permission to the role's permission list.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1433
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1434 'rolename' is the name of the role to add permission to.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1435 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1436
1039
42924a2fcacf minor doc change for new cgi
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
1437 Modules such as ``cgi/client.py`` and ``mailgw.py`` define their own
42924a2fcacf minor doc change for new cgi
Richard Jones <richard@users.sourceforge.net>
parents: 910
diff changeset
1438 permissions like so (this example is ``cgi/client.py``)::
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1439
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1440 def initialiseSecurity(security):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1441 ''' Create some Permissions and Roles on the security object
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1442
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1443 This function is directly invoked by security.Security.__init__()
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1444 as a part of the Security object instantiation.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1445 '''
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1446 p = security.addPermission(name="Web Registration",
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1447 description="Anonymous users may register through the web")
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1448 security.addToRole('Anonymous', p)
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1449
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1450 Detectors may also define roles in their init() function::
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1451
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1452 def init(db):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1453 # register an auditor that checks that a user has the "May Resolve"
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1454 # Permission before allowing them to set an issue status to "resolved"
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1455 db.issue.audit('set', checkresolvedok)
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1456 p = db.security.addPermission(name="May Resolve", klass="issue")
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1457 security.addToRole('Manager', p)
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1458
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1459 The tracker dbinit module then has in ``open()``::
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1460
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1461 # open the database - it must be modified to init the Security class
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1462 # from security.py as db.security
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1463 db = Database(config, name)
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1464
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1465 # add some extra permissions and associate them with roles
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1466 ei = db.security.addPermission(name="Edit", klass="issue",
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1467 description="User is allowed to edit issues")
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1468 db.security.addPermissionToRole('User', ei)
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1469 ai = db.security.addPermission(name="View", klass="issue",
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1470 description="User is allowed to access issues")
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1471 db.security.addPermissionToRole('User', ai)
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1472
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1473 In the dbinit ``init()``::
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1474
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1475 # create the two default users
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1476 user.create(username="admin", password=Password(adminpw),
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1477 address=config.ADMIN_EMAIL, roles='Admin')
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1478 user.create(username="anonymous", roles='Anonymous')
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1479
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1480 Then in the code that matters, calls to ``hasPermission`` and
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
1481 ``hasItemPermission`` are made to determine if the user has permission
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1482 to perform some action::
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1483
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1484 if db.security.hasPermission('issue', 'Edit', userid):
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1485 # all ok
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1486
1091
d870139aeb5c more doc
Richard Jones <richard@users.sourceforge.net>
parents: 1089
diff changeset
1487 if db.security.hasItemPermission('issue', itemid, assignedto=userid):
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1488 # all ok
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1489
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1490 Code in the core will make use of these methods, as should code in auditors in
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1491 custom templates. The HTML templating may access the access controls through
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1492 the *user* attribute of the *request* variable. It exposes a ``hasPermission()``
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1493 method::
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1494
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1495 tal:condition="python:request.user.hasPermission('Edit', 'issue')"
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1496
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1497 or, if the *context* is *issue*, then the following is the same::
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1498
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1499 tal:condition="python:request.user.hasPermission('Edit')"
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1500
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1501
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1502 Authentication of Users
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1503 ~~~~~~~~~~~~~~~~~~~~~~~
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1504
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1505 Users must be authenticated correctly for the above controls to work. This is
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1506 not done in the current mail gateway at all. Use of digital signing of
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1507 messages could alleviate this problem.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1508
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1509 The exact mechanism of registering the digital signature should be flexible,
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1510 with perhaps a level of trust. Users who supply their signature through their
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1511 first message into the tracker should be at a lower level of trust to those
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1512 who supply their signature to an admin for submission to their user details.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1513
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1514
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1515 Anonymous Users
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1516 ~~~~~~~~~~~~~~~
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1517
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1518 The "anonymous" user must always exist, and defines the access permissions for
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1519 anonymous users. Unknown users accessing Roundup through the web or email
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1520 interfaces will be logged in as the "anonymous" user.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1521
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1522
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1523 Use Cases
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1524 ~~~~~~~~~
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1525
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1526 public - end users can submit bugs, request new features, request support
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1527 The Users would be given the default "User" Role which gives "View" and
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1528 "Edit" Permission to the "issue" class.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1529 developer - developers can fix bugs, implement new features, provide support
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1530 A new Role "Developer" is created with the Permission "Fixer" which is
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1531 checked for in custom auditors that see whether the issue is being
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1532 resolved with a particular resolution ("fixed", "implemented",
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1533 "supported") and allows that resolution only if the permission is
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1534 available.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1535 manager - approvers/managers can approve new features and signoff bug fixes
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1536 A new Role "Manager" is created with the Permission "Signoff" which is
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1537 checked for in custom auditors that see whether the issue status is being
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1538 changed similar to the developer example.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1539 admin - administrators can add users and set user's roles
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1540 The existing Role "Admin" has the Permissions "Edit" for all classes
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1541 (including "user") and "Web Roles" which allow the desired actions.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1542 system - automated request handlers running various report/escalation scripts
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1543 A combination of existing and new Roles, Permissions and auditors could
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1544 be used here.
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1545 privacy - issues that are only visible to some users
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1546 A new property is added to the issue which marks the user or group of
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1547 users who are allowed to view and edit the issue. An auditor will check
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1548 for edit access, and the template user object can check for view access.
910
299f4890427d documentation reorg post-new-security
Richard Jones <richard@users.sourceforge.net>
parents: 907
diff changeset
1549
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1550
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1551 Deployment Scenarios
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1552 --------------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1553
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1554 The design described above should be general enough
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1555 to permit the use of Roundup for bug tracking, managing
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1556 projects, managing patches, or holding discussions. By
1089
43ab730ee194 instance -> tracker, node -> item
Richard Jones <richard@users.sourceforge.net>
parents: 1039
diff changeset
1557 using items of multiple types, one could deploy a system
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1558 that maintains requirement specifications, catalogs bugs,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1559 and manages submitted patches, where patches could be
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1560 linked to the bugs and requirements they address.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1561
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1562
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1563 Acknowledgements
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1564 ----------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1565
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1566 My thanks are due to Christy Heyl for
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1567 reviewing and contributing suggestions to this paper
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1568 and motivating me to get it done, and to
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1569 Jesse Vincent, Mark Miller, Christopher Simons,
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1570 Jeff Dunmall, Wayne Gramlich, and Dean Tribble for
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1571 their assistance with the first-round submission.
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1572
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1573 Changes to this document
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1574 ------------------------
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1575
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1576 - Added Boolean and Number types
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1577 - Added section Hyperdatabase Implementations
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1578 - "Item" has been renamed to "Issue" to account for the more specific nature
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1579 of the Class.
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1580 - New Templating
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1581 - Access Controls
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1582
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1583 ------------------
907
38a74d1351c5 documentation updates
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1584
1244
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1585 Back to `Table of Contents`_
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1586
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1587 .. _`Table of Contents`: index.html
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1588 .. _customisation: customizing.html
8dd4f736370b merge from maintenance branch
Richard Jones <richard@users.sourceforge.net>
parents: 1091
diff changeset
1589
Roundup Issue Tracker: http://roundup-tracker.org/