Python source2ast示例

示例#1

文件： test_ast.py 项目： AishwaryaKM/python-tutorial

 def test_mutate_elision(self):
     class ConstRemover(BaseVisitor):
         def visitConst(self, const):
             return None
     listast = source2ast("[1, 2]", 'exec')
     listast = listast.mutate(ConstRemover())
     listnode = listast.node.nodes[0].expr
     assert isinstance(listnode, ast.List)
     assert len(listnode.nodes) == 0

示例#2

文件： test_ast.py 项目： griels/pypy-sc

    def test_mutate_elision(self):
        class ConstRemover(BaseVisitor):
            def visitConst(self, const):
                return None

        listast = source2ast("[1, 2]", 'exec')
        listast = listast.mutate(ConstRemover())
        listnode = listast.node.nodes[0].expr
        assert isinstance(listnode, ast.List)
        assert len(listnode.nodes) == 0

示例#3

文件： test_ast.py 项目： AishwaryaKM/python-tutorial

 def test_mutate_elision(self):
     from parser import source2ast, ASTConst, ASTList
     class ConstRemover(self.BaseVisitor):
         def visitConst(self, const):
             return None
     listast = source2ast("[1, 2]")
     listast = listast.mutate(ConstRemover())
     listnode = listast.node.nodes[0].expr
     assert isinstance(listnode, ASTList)
     assert len(listnode.nodes) == 0

示例#4

文件： test_ast.py 项目： griels/pypy-sc

    def test_mutate_strange_cases(self):
        src = '''
if a:
    b
        '''
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())
        src = '''
try:
    b
except Exception:
    pass
        '''
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())
        src = '{1:2}'
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())
        src = '1 > 3'
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())

示例#5

文件： test_ast.py 项目： griels/pypy-sc

    def test_mutate_elision(self):
        from parser import source2ast, ASTConst, ASTList

        class ConstRemover(self.BaseVisitor):
            def visitConst(self, const):
                return None

        listast = source2ast("[1, 2]")
        listast = listast.mutate(ConstRemover())
        listnode = listast.node.nodes[0].expr
        assert isinstance(listnode, ASTList)
        assert len(listnode.nodes) == 0

示例#6

文件： test_ast.py 项目： AishwaryaKM/python-tutorial

    def test_mutate_strange_cases(self):
        src = '''
if a:
    b
        '''
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())
        src = '''
try:
    b
except Exception:
    pass
        '''
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())
        src = '{1:2}'
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())
        src = '1 > 3'
        ast = source2ast(src, 'exec')
        ast.mutate(BaseVisitor())

示例#7

文件： test_compiler.py 项目： griels/pypy-sc

def compile_with_astcompiler(expr, mode, space):
    ast = source2ast(expr, mode, space)
    misc.set_filename('<testing>', ast)
    ast = opt.optimize_ast_tree(space, ast)
    if mode == 'exec':
        Generator = pycodegen.ModuleCodeGenerator
    elif mode == 'single':
        Generator = pycodegen.InteractiveCodeGenerator
    elif mode == 'eval':
        Generator = pycodegen.ExpressionCodeGenerator
    codegen = Generator(space, ast)
    rcode = codegen.getCode()
    assert isinstance(rcode, PyCode)
    assert rcode.co_filename == '<testing>'
    return rcode

示例#8

文件： test_compiler.py 项目： antoine1fr/pygirl

def compile_with_astcompiler(expr, mode, space):
    ast = source2ast(expr, mode, space)
    misc.set_filename('<testing>', ast)
    ast = opt.optimize_ast_tree(space, ast)
    if mode == 'exec':
        Generator = pycodegen.ModuleCodeGenerator
    elif mode == 'single':
        Generator = pycodegen.InteractiveCodeGenerator
    elif mode == 'eval':
        Generator = pycodegen.ExpressionCodeGenerator
    codegen = Generator(space, ast)
    rcode = codegen.getCode()
    assert isinstance(rcode, PyCode)
    assert rcode.co_filename == '<testing>'
    return rcode