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Viewing changes to lib/stdhome/walker/walker.py

  • Committer: Tim Marston
  • Date: 2014-04-18 14:46:42 UTC
  • Revision ID: tim@ed.am-20140418144642-kr3vmc8fgnxgkbza
implemented symlink substitution and ignore list in status walker (and added
some verbose messages)

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lib/stdhome/walker/walker.py
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import os
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import stdhome.the as the
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class Walker:
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        process() for more information.
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        """
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        def walk( self ):
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                """Iterates over self.walk_list, calling process() for each entry in turn.  For
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                directory entries, where process() returns False, subsequent entries in
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                walk_list that fall under the directory are skipped.
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                """
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                if the.verbose >= 3:
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                        print "walking [%s]" % self.__class__.__name__
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                skip = ''
 
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                for rel_file in self.walk_list:
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                        # if we're skipping, skip entries in subdirectories, or turn off
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                        # way of knowing what to check.  It could be src_type or dst_type
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                        # (if src_dir or dst_dir was used to generate the walk list) or it
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                        # could be neither (if the walk list came from somewhere else).  But
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                        # it shouldn't matter: we add a path seperateor (os.sep) to the end
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                        # of the filename, so it wuill only match files that are descendents
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                        # of a directory with the name of this file.
 
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                        # it shouldn't matter.  We adding an os.pathset to the end of the
 
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                        # filename, so it wuill only match files that are descendents of a
 
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                        # directory with the name of this file.
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                        if not recurse: skip = rel_file + os.sep
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        @staticmethod
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        def generate_walk_list( full_dir, rel_file = '', recurse = True ):
 
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        def generate_walk_list( full_dir, rel_file = '' ):
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                """Returns a list of files and directories in full_dir, specified as relative
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                files (relative to full_dir), breadth first.
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                """
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                # ignore some files
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                static_ignores = [ '.stdhome', '.stdhomerc' ] + \
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                                                 the.repo.vcs.ignored_files
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                if rel_file in static_ignores:
 
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                if rel_file in { '.bzr', '.bzrignore', '.stdhome', '.stdhomerc' }:
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                        return list()
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                full_file = os.path.join( full_dir, rel_file )
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                # directories are returned and recursed in to
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                elif os.path.isdir( full_file ):
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                        ret = [ rel_file ] if rel_file != '' else []
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                        if recurse:
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                                for file in os.listdir( full_file ):
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                                        ret.extend( Walker.generate_walk_list(
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                                                full_dir, os.path.join( rel_file, file ) ) )
 
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                        for file in os.listdir( full_file ):
 
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                                ret.extend( Walker.generate_walk_list(
 
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                                        full_dir, os.path.join( rel_file, file ) ) )
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                        return sorted( ret )
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                # other kinds are invalid