~bzr-pqm/bzr/bzr.dev

3193.7.7 by Alexander Belchenko
custom module finder to find additional dependencies for built-in plugins (to bundle additional packages and modules into bzr.exe's library.zip)
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# Copyright (C) 2008 Canonical Ltd
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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, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Custom module finder for entire package"""
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import modulefinder
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import os
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import sys
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class CustomModuleFinder(modulefinder.ModuleFinder):
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    """Custom module finder for processing python packages,
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    e.g. bzr plugins packages.
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    :param  path:   list of directories to search for modules;
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                    if not specified, python standard library only is used.
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    """
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    def __init__(self, path=None, debug=0, excludes=[], replace_paths=[]):
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        if path is None:
3193.7.10 by Alexander Belchenko
some cleanup in package_mf.py; mention about load_from_zip() deprecation in NEWS.
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            path = [os.path.dirname(os.__file__)]    # only python std lib
3193.7.7 by Alexander Belchenko
custom module finder to find additional dependencies for built-in plugins (to bundle additional packages and modules into bzr.exe's library.zip)
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        modulefinder.ModuleFinder.__init__(self, path, debug, excludes,
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            replace_paths)
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    def run_package(self, package_path):
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        """Recursively process each module in package with run_script method.
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        :param  package_path:   path to package directory.
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        """
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        stack = [package_path]
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        while stack:
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            curdir = stack.pop(0)
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            py = os.listdir(curdir)
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            for i in py:
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                full = os.path.join(curdir, i)
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                if os.path.isdir(full):
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                    init = os.path.join(full, '__init__.py')
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                    if os.path.isfile(init):
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                        stack.append(full)
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                    continue
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                if not i.endswith('.py'):
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                    continue
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                if i == 'setup.py':     # skip
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                    continue
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                self.run_script(full)
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    def get_result(self):
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        """Return 2-tuple: (list of packages, list of modules)"""
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        keys = self.modules.keys()
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        keys.sort()
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        mods = []
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        packs = []
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        for key in keys:
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            m = self.modules[key]
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            if not m.__file__:      # skip builtins
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                continue
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            if m.__path__:
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                packs.append(key)
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            elif key != '__main__':
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                mods.append(key)
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        return (packs, mods)
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if __name__ == '__main__':
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    package = sys.argv[1]
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    mf = CustomModuleFinder()
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    mf.run_package(package)
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    packs, mods = mf.get_result()
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    print 'Packages:'
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    print packs
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    print 'Modules:'
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    print mods