3 # Copyright 2004 Toby Dickenson
4 # Copyright 2008-2011 W. Trevor King
6 # Permission is hereby granted, free of charge, to any person obtaining
7 # a copy of this software and associated documentation files (the
8 # "Software"), to deal in the Software without restriction, including
9 # without limitation the rights to use, copy, modify, merge, publish,
10 # distribute, sublicense, and/or sell copies of the Software, and to
11 # permit persons to whom the Software is furnished to do so, subject
12 # to the following conditions:
14 # The above copyright notice and this permission notice shall be included
15 # in all copies or substantial portions of the Software.
17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21 # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 """Extract a tree of module imports from a Python script.
30 class mymf(modulefinder.ModuleFinder):
31 def __init__(self,*args,**kwargs):
35 self._last_caller = None
36 modulefinder.ModuleFinder.__init__(self,*args,**kwargs)
38 def import_hook(self, name, caller=None, fromlist=None, level=-1):
39 old_last_caller = self._last_caller
41 self._last_caller = caller
42 return modulefinder.ModuleFinder.import_hook(self,name,caller,fromlist, level)
44 self._last_caller = old_last_caller
46 def import_module(self,partnam,fqname,parent):
47 r = modulefinder.ModuleFinder.import_module(self,partnam,fqname,parent)
49 self._depgraph.setdefault(self._last_caller.__name__,{})[r.__name__] = 1
52 def load_module(self, fqname, fp, pathname, (suffix, mode, type)):
53 r = modulefinder.ModuleFinder.load_module(self, fqname, fp, pathname, (suffix, mode, type))
55 self._types[r.__name__] = type
56 self._paths[r.__name__] = pathname
60 if __name__=='__main__':
61 from optparse import OptionParser
62 from pprint import pprint
65 usage = '%prog [options] path/to/script.py'
66 p = OptionParser(usage=usage, description=__doc__)
68 options,args = p.parse_args()
75 mf = mymf(path,debug,exclude)
77 pprint({'depgraph':mf._depgraph,'types':mf._types,'paths':mf._paths})