本文整理匯總了Python中ast.AsyncFor方法的典型用法代碼示例。如果您正苦於以下問題：Python ast.AsyncFor方法的具體用法？Python ast.AsyncFor怎麽用？Python ast.AsyncFor使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類ast的用法示例。
在下文中一共展示了ast.AsyncFor方法的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: visit_For
# 需要導入模塊: import ast [as 別名]
# 或者: from ast import AsyncFor [as 別名]
def visit_For(self, node):
if hasattr(ast, 'AsyncFor') and isinstance(node, ast.AsyncFor):
self.attr(node, 'for_keyword', ['async', self.ws, 'for', self.ws],
default='async for ')
else:
self.attr(node, 'for_keyword', ['for', self.ws], default='for ')
self.visit(node.target)
self.attr(node, 'for_in', [self.ws, 'in', self.ws], default=' in ')
self.visit(node.iter)
self.attr(node, 'open_block', [self.ws, ':', self.ws_oneline],
default=':\n')
for stmt in self.indented(node, 'body'):
self.visit(stmt)
if node.orelse:
self.attr(node, 'else', [self.ws, 'else', self.ws, ':', self.ws_oneline],
default=self._indent + 'else:\n')
for stmt in self.indented(node, 'orelse'):
self.visit(stmt) 示例2: for_stmt_rewrite
# 需要導入模塊: import ast [as 別名]
# 或者: from ast import AsyncFor [as 別名]
def for_stmt_rewrite(target, iter, body, orelse, is_async=False):
orelse = orelse or []
as_store(target)
ty = ast.AsyncFor if is_async else ast.For
return ty(target, iter, body, orelse) 示例3: test_py35_node_types
# 需要導入模塊: import ast [as 別名]
# 或者: from ast import AsyncFor [as 別名]
def test_py35_node_types(self):
"""
Test that the PEP 492 node types are collected
"""
visitor = self._run_visitor(
"""\
async def f(): # async def
async for x in y: pass # async for
async with a as b: pass # async with
"""
)
self.assertEqual(visitor.typeable_lines, [1, 2, 3])
self.assertIsInstance(visitor.typeable_nodes[1], ast.AsyncFunctionDef)
self.assertIsInstance(visitor.typeable_nodes[2], ast.AsyncFor)
self.assertIsInstance(visitor.typeable_nodes[3], ast.AsyncWith) 示例4: visit_AsyncFor
# 需要導入模塊: import ast [as 別名]
# 或者: from ast import AsyncFor [as 別名]
def visit_AsyncFor(self, node):
new_node = gast.AsyncFor(
self._visit(node.target),
self._visit(node.iter),
self._visit(node.body),
self._visit(node.orelse),
None, # type_comment
)
gast.copy_location(new_node, node)
return new_node 示例5: fix_async_offset
# 需要導入模塊: import ast [as 別名]
# 或者: from ast import AsyncFor [as 別名]
def fix_async_offset(tree: ast.AST) -> ast.AST:
"""
Fixes ``col_offest`` values for async nodes.
This is a temporary check for async-based expressions, because offset
for them isn't calculated properly. We can calculate right version
of offset with subscripting ``6`` (length of "async " part).
Affected ``python`` versions:
- all versions below ``python3.6.7``
Read more:
https://bugs.python.org/issue29205
https://github.com/wemake-services/wemake-python-styleguide/issues/282
"""
nodes_to_fix = (
ast.AsyncFor,
ast.AsyncWith,
ast.AsyncFunctionDef,
)
for node in ast.walk(tree):
if isinstance(node, nodes_to_fix):
error = 6 if node.col_offset % 4 else 0
node.col_offset = node.col_offset - error
return tree