本文整理汇总了Python中_ast.Module方法的典型用法代码示例。如果您正苦于以下问题：Python _ast.Module方法的具体用法？Python _ast.Module怎么用？Python _ast.Module使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类_ast的用法示例。
在下文中一共展示了_ast.Module方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_compile_ast
# 需要导入模块: import _ast [as 别名]
# 或者: from _ast import Module [as 别名]
def test_compile_ast(self):
fname = __file__
if fname.lower().endswith(('pyc', 'pyo')):
fname = fname[:-1]
with open(fname, 'r') as f:
fcontents = f.read()
sample_code = [
['<assign>', 'x = 5'],
['<print1>', 'print 1'],
['<printv>', 'print v'],
['<printTrue>', 'print True'],
['<printList>', 'print []'],
['<ifblock>', """if True:\n pass\n"""],
['<forblock>', """for n in [1, 2, 3]:\n print n\n"""],
['<deffunc>', """def foo():\n pass\nfoo()\n"""],
[fname, fcontents],
]
for fname, code in sample_code:
co1 = compile(code, '%s1' % fname, 'exec')
ast = compile(code, '%s2' % fname, 'exec', _ast.PyCF_ONLY_AST)
self.assertTrue(type(ast) == _ast.Module)
co2 = compile(ast, '%s3' % fname, 'exec')
self.assertEqual(co1, co2)
# the code object's filename comes from the second compilation step
self.assertEqual(co2.co_filename, '%s3' % fname)
# raise exception when node type doesn't match with compile mode
co1 = compile('print 1', '<string>', 'exec', _ast.PyCF_ONLY_AST)
self.assertRaises(TypeError, compile, co1, '<ast>', 'eval')
# raise exception when node type is no start node
self.assertRaises(TypeError, compile, _ast.If(), '<ast>', 'exec')
# raise exception when node has invalid children
ast = _ast.Module()
ast.body = [_ast.BoolOp()]
self.assertRaises(TypeError, compile, ast, '<ast>', 'exec') 示例2: visit_module
# 需要导入模块: import _ast [as 别名]
# 或者: from _ast import Module [as 别名]
def visit_module(self, node: _ast.Module): # body,
last = None
for body_node in node.body:
last = self._run(body_node)
return last 示例3: test_compile_ast
# 需要导入模块: import _ast [as 别名]
# 或者: from _ast import Module [as 别名]
def test_compile_ast(self):
fname = __file__
if fname.lower().endswith('pyc'):
fname = fname[:-1]
with open(fname, 'r') as f:
fcontents = f.read()
sample_code = [
['<assign>', 'x = 5'],
['<ifblock>', """if True:\n pass\n"""],
['<forblock>', """for n in [1, 2, 3]:\n print(n)\n"""],
['<deffunc>', """def foo():\n pass\nfoo()\n"""],
[fname, fcontents],
]
for fname, code in sample_code:
co1 = compile(code, '%s1' % fname, 'exec')
ast = compile(code, '%s2' % fname, 'exec', _ast.PyCF_ONLY_AST)
self.assertTrue(type(ast) == _ast.Module)
co2 = compile(ast, '%s3' % fname, 'exec')
self.assertEqual(co1, co2)
# the code object's filename comes from the second compilation step
self.assertEqual(co2.co_filename, '%s3' % fname)
# raise exception when node type doesn't match with compile mode
co1 = compile('print(1)', '<string>', 'exec', _ast.PyCF_ONLY_AST)
self.assertRaises(TypeError, compile, co1, '<ast>', 'eval')
# raise exception when node type is no start node
self.assertRaises(TypeError, compile, _ast.If(), '<ast>', 'exec')
# raise exception when node has invalid children
ast = _ast.Module()
ast.body = [_ast.BoolOp()]
self.assertRaises(TypeError, compile, ast, '<ast>', 'exec') 示例4: test_compile_ast
# 需要导入模块: import _ast [as 别名]
# 或者: from _ast import Module [as 别名]
def test_compile_ast(self):
fname = __file__
if fname.lower().endswith(('pyc', 'pyo')):
fname = fname[:-1]
with open(fname, 'r') as f:
fcontents = f.read()
sample_code = [
['<assign>', 'x = 5'],
['<ifblock>', """if True:\n pass\n"""],
['<forblock>', """for n in [1, 2, 3]:\n print(n)\n"""],
['<deffunc>', """def foo():\n pass\nfoo()\n"""],
[fname, fcontents],
]
for fname, code in sample_code:
co1 = compile(code, '%s1' % fname, 'exec')
ast = compile(code, '%s2' % fname, 'exec', _ast.PyCF_ONLY_AST)
self.assertTrue(type(ast) == _ast.Module)
co2 = compile(ast, '%s3' % fname, 'exec')
self.assertEqual(co1, co2)
# the code object's filename comes from the second compilation step
self.assertEqual(co2.co_filename, '%s3' % fname)
# raise exception when node type doesn't match with compile mode
co1 = compile('print(1)', '<string>', 'exec', _ast.PyCF_ONLY_AST)
self.assertRaises(TypeError, compile, co1, '<ast>', 'eval')
# raise exception when node type is no start node
self.assertRaises(TypeError, compile, _ast.If(), '<ast>', 'exec')
# raise exception when node has invalid children
ast = _ast.Module()
ast.body = [_ast.BoolOp()]
self.assertRaises(TypeError, compile, ast, '<ast>', 'exec') 示例5: get_child_nodes
# 需要导入模块: import _ast [as 别名]
# 或者: from _ast import Module [as 别名]
def get_child_nodes(node):
if isinstance(node, _ast.Module):
return node.body
result = []
if node._fields is not None:
for name in node._fields:
child = getattr(node, name)
if isinstance(child, list):
for entry in child:
if isinstance(entry, _ast.AST):
result.append(entry)
if isinstance(child, _ast.AST):
result.append(child)
return result 示例6: test_compile_ast
# 需要导入模块: import _ast [as 别名]
# 或者: from _ast import Module [as 别名]
def test_compile_ast(self):
fname = __file__
if fname.lower().endswith(('pyc', 'pyo')):
fname = fname[:-1]
with open(fname, 'r') as f:
fcontents = f.read()
sample_code = [
['<assign>', 'x = 5'],
['<print1>', 'print 1'],
['<printv>', 'print v'],
['<printTrue>', 'print True'],
['<printList>', 'print []'],
['<ifblock>', """if True:\n pass\n"""],
['<forblock>', """for n in [1, 2, 3]:\n print n\n"""],
['<deffunc>', """def foo():\n pass\nfoo()\n"""],
#FIXME: Next one not working in Jython:
#[fname, fcontents],
]
for fname, code in sample_code:
co1 = compile(code, '%s1' % fname, 'exec')
ast = compile(code, '%s2' % fname, 'exec', _ast.PyCF_ONLY_AST)
self.assert_(type(ast) == _ast.Module)
co2 = compile(ast, '%s3' % fname, 'exec')
if not test_support.is_jython:
self.assertEqual(co1, co2)
# the code object's filename comes from the second compilation step
self.assertEqual(co2.co_filename, '%s3' % fname)
# raise exception when node type doesn't match with compile mode
co1 = compile('print 1', '<string>', 'exec', _ast.PyCF_ONLY_AST)
#FIXME: raises wrong error in Jython.
#self.assertRaises(TypeError, compile, co1, '<ast>', 'eval')
# raise exception when node type is no start node
self.assertRaises(TypeError, compile, _ast.If(), '<ast>', 'exec')
# raise exception when node has invalid children
ast = _ast.Module()
ast.body = [_ast.BoolOp()]
#FIXME: raises NPE in Jython.
#self.assertRaises(TypeError, compile, ast, '<ast>', 'exec')