Mercurial > p > roundup > code
annotate roundup/cgi/accept_language.py @ 3696:790363e96852
Sorting/grouping by multiple properties.
- Implement sorting/grouping by multiple properties for the web
interface. I'm now using @sort0/@sortdir0,@sort1/@sortdir1,... and
@group0/@groupdir0,... when generating URLs from a search template.
These are converted to a list internally. When saving URLs (e.g. when
storing queries) I'm using @sort=prop1,prop2,... and @group=... with
optional '-' prepended to individual props.
This means saved URLs are backward compatible with existing trackers
(and yes, this was a design goal).
I need the clumsy version with @sort0,@sort1 etc, because I'm
currently using several selectors and checkboxes (as the classic
template does, too). I don't think there is a way around that in HTML?
- Updated (hopefully all) documentation to reflect the new URL format
and the consequences in the web-interface.
- I've set the number of sort/group properties in the classic template
to two -- this can easily be reverted by changing n_sort to 1.
Richard, would you look over these changes? I've set a tag before and
(will set) after commit, so that it would be easy to merge out.
Don't be too scared about the size of the change, most is documentation,
the guts are in cgi/templating.py and small changes in the classic
template.
| author | Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net> |
|---|---|
| date | Wed, 30 Aug 2006 20:28:26 +0000 |
| parents | 52f89836d05b |
| children | 74476eaac38a |
| rev | line source |
|---|---|
|
3426
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
1 """Parse the Accept-Language header as defined in RFC2616. |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
2 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
3 See http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
4 for details. This module should follow the spec. |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
5 Author: Hernan M. Foffani (hfoffani@gmail.com) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
6 Some use samples: |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
7 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
8 >>> parse("da, en-gb;q=0.8, en;q=0.7") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
9 ['da', 'en_gb', 'en'] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
10 >>> parse("en;q=0.2, fr;q=1") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
11 ['fr', 'en'] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
12 >>> parse("zn; q = 0.2 ,pt-br;q =1") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
13 ['pt_br', 'zn'] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
14 >>> parse("es-AR") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
15 ['es_AR'] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
16 >>> parse("es-es-cat") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
17 ['es_es_cat'] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
18 >>> parse("") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
19 [] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
20 >>> parse(None) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
21 [] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
22 >>> parse(" ") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
23 [] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
24 >>> parse("en,") |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
25 ['en'] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
26 """ |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
27 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
28 import re |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
29 import heapq |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
30 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
31 # regexp for languange-range search |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
32 nqlre = "([A-Za-z]+[-[A-Za-z]+]*)$" |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
33 # regexp for languange-range search with quality value |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
34 qlre = "([A-Za-z]+[-[A-Za-z]+]*);q=([\d\.]+)" |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
35 # both |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
36 lre = re.compile(nqlre + "|" + qlre) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
37 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
38 ascii = ''.join([chr(x) for x in xrange(256)]) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
39 whitespace = ' \t\n\r\v\f' |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
40 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
41 def parse(language_header): |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
42 """parse(string_with_accept_header_content) -> languages list""" |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
43 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
44 if language_header is None: return [] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
45 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
46 # strip whitespaces. |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
47 lh = language_header.translate(ascii, whitespace) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
48 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
49 # if nothing, return |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
50 if lh == "": return [] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
51 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
52 # split by commas and parse the quality values. |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
53 pls = [lre.findall(x) for x in lh.split(',')] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
54 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
55 # drop uncomformant |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
56 qls = [x[0] for x in pls if len(x) > 0] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
57 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
58 # use a heap queue to sort by quality values. |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
59 # the value of each item is 1.0 complement. |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
60 pq = [] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
61 for l in qls: |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
62 if l[0] != '': |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
63 heapq.heappush(pq, (0.0, l[0])) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
64 else: |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
65 heapq.heappush(pq, (1.0-float(l[2]), l[1])) |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
66 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
67 # get the languages ordered by quality |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
68 # and replace - by _ |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
69 return [x[1].replace('-','_') for x in pq] |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
70 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
71 if __name__ == "__main__": |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
72 import doctest |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
73 doctest.testmod() |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
74 |
|
52f89836d05b
Parse the Accept-Language header as defined in RFC2616.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents:
diff
changeset
|
75 # vim: set et sts=4 sw=4 : |
