Mercurial > p > roundup > code
annotate scripts/schema_diagram.py @ 7862:5cf8a7027595
doc: vale fixups; clarifications
clarify modal workflow, move bulk edit workflow from middle of edit
item worflow to after.
Clarify postfix expression use with Link items.
Add rst() and markdown() to stext() and mark stext as depricated
(maybe even this release cycle).
More TAL examples.
Refill some paragraphs to 65 character lines.
Various other fixes pointed out by vale.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Sun, 07 Apr 2024 13:55:01 -0400 |
| parents | 23b8e6067f7c |
| children | 9c3ec0a5c7fc |
| rev | line source |
|---|---|
| 1166 | 1 #! /usr/bin/python |
| 2 # | |
| 3 # Schema diagram generator contributed by Stefan Seefeld of the fresco | |
| 4 # project http://www.fresco.org/. | |
| 5 # | |
| 6 # It generates a 'dot file' that is then fed into the 'dot' | |
| 7 # tool (http://www.graphviz.org) to generate a graph: | |
| 8 # | |
| 9 # %> ./schema.py | |
| 10 # %> dot -Tps schema.dot -o schema.ps | |
| 11 # %> gv schema.ps | |
| 12 # | |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
13 from __future__ import print_function |
| 1166 | 14 import sys |
| 15 import roundup.instance | |
| 16 | |
| 17 # open the instance | |
| 18 instance = roundup.instance.open(sys.argv[1]) | |
| 19 db = instance.open() | |
| 20 | |
| 21 # diagram preamble | |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
22 print('digraph schema {') |
|
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
23 print('size="8,6"') |
|
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
24 print('node [shape="record" bgcolor="#ffe4c4" style=filled]') |
|
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
25 print('edge [taillabel="1" headlabel="1" dir=back arrowtail=ediamond]') |
| 1166 | 26 |
| 27 # get all the classes | |
|
5395
23b8e6067f7c
Python 3 preparation: update calls to dict methods.
Joseph Myers <jsm@polyomino.org.uk>
parents:
5376
diff
changeset
|
28 types = list(db.classes.keys()) |
| 1166 | 29 |
| 30 # one record node per class | |
| 31 for i in range(len(types)): | |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
32 print('node%d [label=\"{%s|}"]'%(i, types[i])) |
| 1166 | 33 |
| 34 # now draw in the relations | |
| 35 for name in db.classes.keys(): | |
| 36 type = db.classes[name] | |
| 37 attributes = type.getprops() | |
| 38 for a in attributes.keys(): | |
| 39 attribute = attributes[a] | |
| 40 if isinstance(attribute, roundup.hyperdb.Link): | |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
41 print('node%d -> node%d [label=%s]'%(types.index(name), |
| 1166 | 42 types.index(attribute.classname), |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
43 a)) |
| 1166 | 44 elif isinstance(attribute, roundup.hyperdb.Multilink): |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
45 print('node%d -> node%d [taillabel="*" label=%s]'%(types.index(name), |
| 1166 | 46 types.index(attribute.classname), |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
47 a)) |
| 1166 | 48 # all done |
|
5376
64b05e24dbd8
Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents:
1166
diff
changeset
|
49 print('}') |