wb_diff_difflib.py 文件源码

def filecompare( self, filename_left, filename_right ):
        if type(filename_left) == type([]):
            lines_left = filename_left
        else:
            try:
                lines_left = wb_read_file.readFileContentsAsUnicode( filename_left ).split('\n')

            except IOError as e:
                print( 'Error opening %s\n%s' % (filename_left, e) )
                return 0

        if type(filename_right) == type([]):
            lines_right = filename_right
        else:
            try:
                lines_right = wb_read_file.readFileContentsAsUnicode( filename_right ).split('\n')

            except IOError as e:
                print( 'Error opening %s\n%s' % (filename_right, e) )
                return 0

        lines_left = [eolRemoval( line ) for line in lines_left]
        lines_right = [eolRemoval( line ) for line in lines_right]

        matcher = difflib.SequenceMatcher( isLineJunk, lines_left, lines_right )
        for tag, left_lo, left_hi, right_lo, right_hi in matcher.get_opcodes():
            if tag == 'replace':
                self.fancy_replace( lines_left, left_lo, left_hi, lines_right, right_lo, right_hi )
            elif tag == 'delete':
                self.dump( self.text_body.addDeletedLine, lines_left, left_lo, left_hi )
            elif tag == 'insert':
                self.dump( self.text_body.addInsertedLine, lines_right, right_lo, right_hi )
            elif tag == 'equal':
                self.dump( self.text_body.addNormalLine, lines_left, left_lo, left_hi )
            else:
                raise ValueError( 'unknown tag ' + str( tag ) )

        self.text_body.addEnd()
        return 1

# need to strip any \n or \r thats on the end of the line