qadpid / qadpid /

Writer Code

Copyright 2011 John Chandler
This software is distributed under the terms of the GNU General Public License version 3

def get_next_file_id():
    """ Generator returning incrementing file IDs """
    current_id = 0
    while True:
        current_id += 1
        yield current_id

class DOTWriter( object ):
    """ DOT File Writer """
    def __init__( self, code_hierarchy ):
        self._code_hierarchy = code_hierarchy

    def write( self, file_object ):
        """ Write a DOT file to the file object
            Assumes we can start writing at the current location in the file (i.e. append)
        # Header
        file_object.write( "digraph code_hierarchy {\n" )

        # Labels
        file_id = get_next_file_id()
        labels  = {}
        for filename in self._code_hierarchy:
            labels[filename] = "f%s" %
            file_object.write( '  %s [label="%s"];\n' % ( labels[filename], filename ) )

        # Relationships
        for filename in self._code_hierarchy:
            for dependency in self._code_hierarchy[filename]:
                file_object.write( "  %s -> %s;\n" % ( labels[dependency], labels[filename] ) )

        # Footer
        file_object.write( "}\n" )
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