本文整理匯總了Python中lib2to3.pygram.token.EQUAL屬性的典型用法代碼示例。如果您正苦於以下問題：Python token.EQUAL屬性的具體用法？Python token.EQUAL怎麽用？Python token.EQUAL使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類lib2to3.pygram.token的用法示例。
在下文中一共展示了token.EQUAL屬性的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: parse_args
# 需要導入模塊: from lib2to3.pygram import token [as 別名]
# 或者: from lib2to3.pygram.token import EQUAL [as 別名]
def parse_args(arglist, scheme):
u"""
Parse a list of arguments into a dict
"""
arglist = [i for i in arglist if i.type != token.COMMA]
ret_mapping = dict([(k, None) for k in scheme])
for i, arg in enumerate(arglist):
if arg.type == syms.argument and arg.children[1].type == token.EQUAL:
# argument < NAME '=' any >
slot = arg.children[0].value
ret_mapping[slot] = arg.children[2]
else:
slot = scheme[i]
ret_mapping[slot] = arg
return ret_mapping
# def is_import_from(node):
# """Returns true if the node is a statement "from ... import ..."
# """
# return node.type == syms.import_from 示例2: parse_args
# 需要導入模塊: from lib2to3.pygram import token [as 別名]
# 或者: from lib2to3.pygram.token import EQUAL [as 別名]
def parse_args(arglist, scheme):
u"""
Parse a list of arguments into a dict
"""
arglist = [i for i in arglist if i.type != token.COMMA]
ret_mapping = dict([(k, None) for k in scheme])
for i, arg in enumerate(arglist):
if arg.type == syms.argument and arg.children[1].type == token.EQUAL:
# argument < NAME '=' any >
slot = arg.children[0].value
ret_mapping[slot] = arg.children[2]
else:
slot = scheme[i]
ret_mapping[slot] = arg
return ret_mapping
# def is_import_from(node):
# """Returns true if the node is a statement "from ... import ..."
# """
# return node.type == syms.import_from 示例3: has_metaclass
# 需要導入模塊: from lib2to3.pygram import token [as 別名]
# 或者: from lib2to3.pygram.token import EQUAL [as 別名]
def has_metaclass(parent):
results = None
for node in parent.children:
kids = node.children
if node.type == syms.argument:
if kids[0] == Leaf(token.NAME, u"metaclass") and \
kids[1] == Leaf(token.EQUAL, u"=") and \
kids[2]:
#Hack to avoid "class X(=):" with this case.
results = [node] + kids
break
elif node.type == syms.arglist:
# Argument list... loop through it looking for:
# Node(*, [*, Leaf(token.NAME, u"metaclass"), Leaf(token.EQUAL, u"="), Leaf(*, *)]
for child in node.children:
if results: break
if child.type == token.COMMA:
#Store the last comma, which precedes the metaclass
comma = child
elif type(child) == Node:
meta = equal = name = None
for arg in child.children:
if arg == Leaf(token.NAME, u"metaclass"):
#We have the (metaclass) part
meta = arg
elif meta and arg == Leaf(token.EQUAL, u"="):
#We have the (metaclass=) part
equal = arg
elif meta and equal:
#Here we go, we have (metaclass=X)
name = arg
results = (comma, meta, equal, name)
break
return results 示例4: transform
# 需要導入模塊: from lib2to3.pygram import token [as 別名]
# 或者: from lib2to3.pygram.token import EQUAL [as 別名]
def transform(self, node, results):
meta_results = has_metaclass(node)
if not meta_results: return
for meta in meta_results:
meta.remove()
target = Leaf(token.NAME, u"__metaclass__")
equal = Leaf(token.EQUAL, u"=", prefix=u" ")
# meta is the last item in what was returned by has_metaclass(): name
name = meta
name.prefix = u" "
stmt_node = Node(syms.atom, [target, equal, name])
suitify(node)
for item in node.children:
if item.type == syms.suite:
for stmt in item.children:
if stmt.type == token.INDENT:
# Insert, in reverse order, the statement, a newline,
# and an indent right after the first indented line
loc = item.children.index(stmt) + 1
# Keep consistent indentation form
ident = Leaf(token.INDENT, stmt.value)
item.insert_child(loc, ident)
item.insert_child(loc, Newline())
item.insert_child(loc, stmt_node)
break 示例5: transform
# 需要導入模塊: from lib2to3.pygram import token [as 別名]
# 或者: from lib2to3.pygram.token import EQUAL [as 別名]
def transform(self, node, results):
meta_results = has_metaclass(node)
if not meta_results: return
for meta in meta_results:
meta.remove()
target = Leaf(token.NAME, u"__metaclass__")
equal = Leaf(token.EQUAL, u"=", prefix=u" ")
# meta is the last item in what was returned by has_metaclass(): name
name = meta
name.prefix = u" "
stmt_node = Node(syms.atom, [target, equal, name])
suitify(node)
for item in node.children:
if item.type == syms.suite:
for stmt in item.children:
if stmt.type == token.INDENT:
# Insert, in reverse order, the statement, a newline,
# and an indent right after the first indented line
loc = item.children.index(stmt) + 1
# Keep consistent indentation form
ident = Leaf(token.INDENT, stmt.value)
item.insert_child(loc, ident)
item.insert_child(loc, Newline())
item.insert_child(loc, stmt_node)
break