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#! /usr/bin/python
# Matthias Klose
# Modified to only exclude module imports from a given module.
# Copyright 2004 Toby Dickenson
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject
# to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import sys, pprint
import modulefinder
import imp
class mymf(modulefinder.ModuleFinder):
def __init__(self,*args,**kwargs):
self._depgraph = {}
self._types = {}
self._last_caller = None
modulefinder.ModuleFinder.__init__(self,*args,**kwargs)
def import_hook(self, name, caller=None, fromlist=None):
old_last_caller = self._last_caller
try:
self._last_caller = caller
return modulefinder.ModuleFinder.import_hook(self,name,caller,fromlist)
finally:
self._last_caller = old_last_caller
def import_module(self,partnam,fqname,parent):
r = modulefinder.ModuleFinder.import_module(self,partnam,fqname,parent)
if r is not None:
caller = self._last_caller.__name__
if '.' in caller:
caller = caller[:caller.index('.')]
callee = r.__name__
if '.' in callee:
callee = callee[:callee.index('.')]
#print "XXX last_caller", caller, "MOD", callee
#self._depgraph.setdefault(self._last_caller.__name__,{})[r.__name__] = 1
#if caller in ('pdb', 'doctest') or callee in ('pdb', 'doctest'):
# print caller, "-->", callee
if caller != callee:
self._depgraph.setdefault(caller,{})[callee] = 1
return r
def find_module(self, name, path, parent=None):
if parent is not None:
# assert path is not None
fullname = parent.__name__+'.'+name
else:
fullname = name
caller = self._last_caller.__name__
if name in excluded_imports.get(caller, []):
#self.msgout(3, "find_module -> Excluded", fullname)
raise ImportError, name
if fullname in self.excludes:
#self.msgout(3, "find_module -> Excluded", fullname)
raise ImportError, name
if path is None:
if name in sys.builtin_module_names:
return (None, None, ("", "", imp.C_BUILTIN))
path = self.path
return imp.find_module(name, path)
def load_module(self, fqname, fp, pathname, (suffix, mode, type)):
r = modulefinder.ModuleFinder.load_module(self, fqname, fp, pathname, (suffix, mode, type))
if r is not None:
self._types[r.__name__] = type
return r
def reduce_depgraph(dg):
pass
# guarded imports, which don't need to be included in python-minimal
excluded_imports = {
'hashlib': set(('_hashlib',)),
'os': set(('nt', 'ntpath', 'os2', 'os2emxpath', 'mac', 'macpath',
'riscos', 'riscospath', 'riscosenviron')),
'optparse': set(('gettext',)),
'pickle': set(('doctest',)),
'platform': set(('tempfile',)),
'socket': set(('_ssl',)),
'subprocess': set(('threading',)),
}
def main(argv):
path = sys.path[:]
debug = 0
#exclude = ['__builtin__', 'sys', 'os']
exclude = []
mf = mymf(path,debug,exclude)
for arg in argv:
mf.run_script(arg)
depgraph = reduce_depgraph(mf._depgraph)
pprint.pprint({'depgraph':mf._depgraph,'types':mf._types})
if __name__=='__main__':
main(sys.argv[1:])
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