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83 lines
3.0 KiB
83 lines
3.0 KiB
#!/usr/bin/python3
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# python-deps - find the dependencies of a given python script.
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#
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# Copyright (C) 2012-2015 by Red Hat, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import copy
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import os, sys
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from modulefinder import ModuleFinder
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from distutils.sysconfig import get_python_lib, get_config_var, get_makefile_filename, get_config_h_filename
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sitedir = get_python_lib()
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libdir = get_config_var('LIBDEST')
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# stringprep is needed by the idna encoding, and idna is needed by requests.
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# The encoding import is implicit so ModuleFinder doesn't find it right.
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alsoNeeded = {sitedir+"/requests/__init__.py": libdir+"/stringprep.py"}
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# A couple helper functions...
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def moduledir(pyfile):
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'''Given a python file, return the module dir it belongs to, or None.'''
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for topdir in sitedir, libdir:
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relpath = os.path.relpath(pyfile, topdir)
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if '/' not in relpath: continue
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modname = relpath.split('/')[0]
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if modname not in ('..', 'site-packages'):
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return os.path.join(topdir, modname)
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# pylint: disable=redefined-outer-name
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def pyfiles(moddir):
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'''basically, "find $moddir -type f -name "*.py"'''
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for curdir, _dirs, files in os.walk(moddir):
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for f in files:
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if f.endswith(".py"):
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yield os.path.join(curdir, f)
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# OK. Use modulefinder to find all the modules etc. this script uses!
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mods = []
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deps = []
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scripts = copy.copy(sys.argv[1:])
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scripts.append(os.path.join(libdir,'site.py'))
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scripts.append(os.path.join(libdir,'sysconfig.py'))
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while scripts:
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script = scripts.pop()
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finder = ModuleFinder()
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finder.run_script(script) # parse the script
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for mod in finder.modules.values():
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if not mod.__file__: # this module is builtin, so we can skip it
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continue
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if mod.__file__ not in deps: # grab the file itself
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deps.append(mod.__file__)
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moddir = moduledir(mod.__file__) # if it's part of a module...
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if moddir and moddir not in mods: #
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deps += list(pyfiles(moddir)) # ...get the whole module
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mods.append(moddir)
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if mod.__file__ in alsoNeeded and alsoNeeded[mod.__file__] not in deps:
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scripts.append(alsoNeeded[mod.__file__])
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# Include some bits that the python install itself needs
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print(get_makefile_filename())
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print(get_config_h_filename())
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# And print the list of unique deps.
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for d in set(deps):
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print(d)
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