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

  • Committer: Tim Marston
  • Date: 2014-03-19 20:02:10 UTC
  • Revision ID: tim@ed.am-20140319200210-b6nm63rpktfmw0l3
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lib/stdhome/walker/walker.py
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                                else:
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                                        skip = ''
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                        src = Walker.File( os.path.join( self.src_dir, rel_file ) )
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                        dst = Walker.File( os.path.join( self.dst_dir, rel_file ) )
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                        # process ths entry
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                        recurse = self.process( rel_file, src, dst )
 
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                        src_file = os.path.join( self.src_dir, rel_file )
 
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                        dst_file = os.path.join( self.dst_dir, rel_file )
 
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                        src_type = Walker.get_file_type( src_file )
 
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                        dst_type = Walker.get_file_type( dst_file )
 
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                        recurse = self.process(
 
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                                rel_file, src_file, src_type, dst_file, dst_type )
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                        # Set up skipping, as required.  Note that we don't check to see if
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                        # we're dealing with a directory here.  We can't, because we've no
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                        if not recurse: skip = rel_file + os.pathsep
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        class File:
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                def __init__( self, full_file ):
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                        self.file = full_file
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                        if not os.path.exists( self.file ):
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                                self.type = '_'
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                        elif os.path.isfile( self.file ):
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                                self.type = 'f'
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                        elif os.path.isdir( self.file ):
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                                self.type = 'd'
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                        else:
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                                self.type = '?'
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                        if os.path.islink( self.file ):
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                                self.link_type = type
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                                self.type = 'l'
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                        else:
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                                self.link_type = False
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                def get_type_name( self ):
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                        if self.type == 'l': return 'symlink'
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                        elif self.type == 'f': return 'file'
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                        elif self.type == 'd': return 'directory'
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                        elif self.type == '_': return 'missing'
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                        else: return 'unknown'
 
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        @staticmethod
 
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        def get_file_type( full_file ):
 
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                """Returns the type of a given file, at the time of calling.  Types are 'd' for
 
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                directory, 'f' for file, 'l' for symlink, '_' for missing and '?' for
 
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                anything else.
 
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                """
 
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                if not os.path.lexists( full_file ):
 
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                        return '_'
 
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                elif os.path.islink( full_file ):
 
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                        return 'l'
 
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                elif os.path.isfile( full_file ):
 
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                        return 'f'
 
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                elif os.path.isdir( full_file ):
 
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                        return 'd'
 
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                else:
 
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                        return '?'
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        @staticmethod
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                """
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                # ignore some files
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                if rel_file in { '.bzr', '.bzrignore', '.stdhome', '.stdhomerc' }:
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                        return list()
 
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                if rel_file in { '.bzr', '.stdhome' }: return list()
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                full_file = os.path.join( full_dir, rel_file )
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                else:
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                        raise RuntimeError(
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                                'unknown/exotic file: %s' % full_file )
 
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        @staticmethod
 
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        def name_of_type( type ):
 
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                if type == 'd': return 'a directory'
 
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                elif type == 'f': return 'a file'
 
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                elif type == 'l': return 'a symlink'
 
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                elif type == '_': return 'missing'
 
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                else: return 'something exotic'