本文整理汇总了Python中symbol.testlist_safe方法的典型用法代码示例。如果您正苦于以下问题：Python symbol.testlist_safe方法的具体用法？Python symbol.testlist_safe怎么用？Python symbol.testlist_safe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symbol的用法示例。
在下文中一共展示了symbol.testlist_safe方法的3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: testlist
# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import testlist_safe [as 别名]
def testlist(self, nodelist):
# testlist: expr (',' expr)* [',']
# testlist_safe: test [(',' test)+ [',']]
# exprlist: expr (',' expr)* [',']
return self.com_binary(Tuple, nodelist) 示例2: com_assign
# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import testlist_safe [as 别名]
def com_assign(self, node, assigning):
# return a node suitable for use as an "lvalue"
# loop to avoid trivial recursion
while 1:
t = node[0]
if t in (symbol.exprlist, symbol.testlist, symbol.testlist_safe, symbol.testlist_comp):
if len(node) > 2:
return self.com_assign_tuple(node, assigning)
node = node[1]
elif t in _assign_types:
if len(node) > 2:
raise SyntaxError, "can't assign to operator"
node = node[1]
elif t == symbol.power:
if node[1][0] != symbol.atom:
raise SyntaxError, "can't assign to operator"
if len(node) > 2:
primary = self.com_node(node[1])
for i in range(2, len(node)-1):
ch = node[i]
if ch[0] == token.DOUBLESTAR:
raise SyntaxError, "can't assign to operator"
primary = self.com_apply_trailer(primary, ch)
return self.com_assign_trailer(primary, node[-1],
assigning)
node = node[1]
elif t == symbol.atom:
t = node[1][0]
if t == token.LPAR:
node = node[2]
if node[0] == token.RPAR:
raise SyntaxError, "can't assign to ()"
elif t == token.LSQB:
node = node[2]
if node[0] == token.RSQB:
raise SyntaxError, "can't assign to []"
return self.com_assign_list(node, assigning)
elif t == token.NAME:
return self.com_assign_name(node[1], assigning)
else:
raise SyntaxError, "can't assign to literal"
else:
raise SyntaxError, "bad assignment (%s)" % t 示例3: com_assign
# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import testlist_safe [as 别名]
def com_assign(self, node, assigning):
# return a node suitable for use as an "lvalue"
# loop to avoid trivial recursion
while 1:
t = node[0]
if t in (symbol.exprlist, symbol.testlist, symbol.testlist_safe, symbol.testlist_gexp):
if len(node) > 2:
return self.com_assign_tuple(node, assigning)
node = node[1]
elif t in _assign_types:
if len(node) > 2:
raise SyntaxError, "can't assign to operator"
node = node[1]
elif t == symbol.power:
if node[1][0] != symbol.atom:
raise SyntaxError, "can't assign to operator"
if len(node) > 2:
primary = self.com_node(node[1])
for i in range(2, len(node)-1):
ch = node[i]
if ch[0] == token.DOUBLESTAR:
raise SyntaxError, "can't assign to operator"
primary = self.com_apply_trailer(primary, ch)
return self.com_assign_trailer(primary, node[-1],
assigning)
node = node[1]
elif t == symbol.atom:
t = node[1][0]
if t == token.LPAR:
node = node[2]
if node[0] == token.RPAR:
raise SyntaxError, "can't assign to ()"
elif t == token.LSQB:
node = node[2]
if node[0] == token.RSQB:
raise SyntaxError, "can't assign to []"
return self.com_assign_list(node, assigning)
elif t == token.NAME:
return self.com_assign_name(node[1], assigning)
else:
raise SyntaxError, "can't assign to literal"
else:
raise SyntaxError, "bad assignment (%s)" % t