source: branches/numpy_misc/tools/dependency_graphs/py2depgraph.py @ 7244

Last change on this file since 7244 was 5456, checked in by ole, 17 years ago

Added tools to generate dependency graphs. Graphviz is needed.

File size: 2.4 KB
Line 
1# Copyright 2004 Toby Dickenson
2#
3# Permission is hereby granted, free of charge, to any person obtaining
4# a copy of this software and associated documentation files (the
5# "Software"), to deal in the Software without restriction, including
6# without limitation the rights to use, copy, modify, merge, publish,
7# distribute, sublicense, and/or sell copies of the Software, and to
8# permit persons to whom the Software is furnished to do so, subject
9# to the following conditions:
10#
11# The above copyright notice and this permission notice shall be included
12# in all copies or substantial portions of the Software.
13#
14# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
15# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22import sys, pprint
23import modulefinder
24
25class mymf(modulefinder.ModuleFinder):
26    def __init__(self,*args,**kwargs):
27        self._depgraph = {}
28        self._types = {}
29        self._last_caller = None
30        modulefinder.ModuleFinder.__init__(self,*args,**kwargs)
31       
32    def import_hook(self, name, caller=None, fromlist=None):
33        old_last_caller = self._last_caller
34        try:
35            self._last_caller = caller
36            return modulefinder.ModuleFinder.import_hook(self,name,caller,fromlist)
37        finally:
38            self._last_caller = old_last_caller
39           
40    def import_module(self,partnam,fqname,parent):
41        r = modulefinder.ModuleFinder.import_module(self,partnam,fqname,parent)
42        if r is not None:
43            self._depgraph.setdefault(self._last_caller.__name__,{})[r.__name__] = 1
44        return r
45   
46    def load_module(self, fqname, fp, pathname, (suffix, mode, type)):
47        r = modulefinder.ModuleFinder.load_module(self, fqname, fp, pathname, (suffix, mode, type))
48        if r is not None:
49            self._types[r.__name__] = type
50        return r
51       
52       
53def main(argv):   
54    path = sys.path[:]
55    debug = 0
56    exclude = []
57    mf = mymf(path,debug,exclude)
58    mf.run_script(argv[0])
59    pprint.pprint({'depgraph':mf._depgraph,'types':mf._types})
60   
61if __name__=='__main__':
62    main(sys.argv[1:])
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