Python tree_to_string示例

示例#1

    def test_tree(self, tree: DerivationTree) -> bool:
        """Return True if testing `tree` passes, else False"""
        s = tree_to_string(tree)
        if self.log:
            print(f"Testing {repr(s)}...", end="")
        try:
            self.test(s)
        except Exception as exc:
            if self.log:
                print(f"FAIL ({type(exc).__name__})")
            ret = False
        else:
            if self.log:
                print(f"PASS")
            ret = True

        return ret

示例#2

from fuzzingbook.Parser import Parser, EarleyParser  # minor dependency

if __name__ == '__main__':
    simple_html_parser = EarleyParser(SIMPLE_HTML_GRAMMAR)

if __name__ == '__main__':
    bad_input_tree = list(simple_html_parser.parse(BAD_INPUT))[0]

if __name__ == '__main__':
    display_tree(bad_input_tree)

from fuzzingbook.GrammarFuzzer import tree_to_string, all_terminals

if __name__ == '__main__':
    tree_to_string(bad_input_tree)

if __name__ == '__main__':
    assert tree_to_string(bad_input_tree) == BAD_INPUT

## Mutating the Tree
## -----------------

if __name__ == '__main__':
    print('\n## Mutating the Tree')

from fuzzingbook.Grammars import is_valid_grammar


class TreeMutator:
    """Grammar-based mutations of derivation trees."""

示例#3

 def test_children(children: List) -> None:
     parent_children[path[-1]] = (symbol, children)  # type: ignore
     s = tree_to_string(tree)
     self.test(s)

示例#4

文件： DDSetDebugger.py 项目： smythi93/debuggingbook

from fuzzingbook.Parser import Parser, EarleyParser  # minor dependency

if __name__ == '__main__':
    simple_html_parser = EarleyParser(SIMPLE_HTML_GRAMMAR)

if __name__ == '__main__':
    bad_input_tree = list(simple_html_parser.parse(BAD_INPUT))[0]

if __name__ == '__main__':
    display_tree(bad_input_tree)

from fuzzingbook.GrammarFuzzer import tree_to_string, all_terminals

if __name__ == '__main__':
    tree_to_string(bad_input_tree)

if __name__ == '__main__':
    assert tree_to_string(bad_input_tree) == BAD_INPUT

## Mutating the Tree
## -----------------

if __name__ == '__main__':
    print('\n## Mutating the Tree')

from fuzzingbook.Grammars import is_valid_grammar


class TreeMutator:
    """Grammar-based mutations of derivation trees."""