本文整理汇总了Python中compiler.consts.OP_ASSIGN属性的典型用法代码示例。如果您正苦于以下问题：Python consts.OP_ASSIGN属性的具体用法？Python consts.OP_ASSIGN怎么用？Python consts.OP_ASSIGN使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类compiler.consts的用法示例。
在下文中一共展示了consts.OP_ASSIGN属性的7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: expr_stmt
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def expr_stmt(self, nodelist):
# augassign testlist | testlist ('=' testlist)*
en = nodelist[-1]
exprNode = self.lookup_node(en)(en[1:])
if len(nodelist) == 1:
return Discard(exprNode, lineno=exprNode.lineno)
if nodelist[1][0] == token.EQUAL:
nodesl = []
for i in range(0, len(nodelist) - 2, 2):
nodesl.append(self.com_assign(nodelist[i], OP_ASSIGN))
return Assign(nodesl, exprNode, lineno=nodelist[1][2])
else:
lval = self.com_augassign(nodelist[0])
op = self.com_augassign_op(nodelist[1])
return AugAssign(lval, op[1], exprNode, lineno=op[2])
raise WalkerError, "can't get here" 示例2: for_stmt
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def for_stmt(self, nodelist):
# 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]
assignNode = self.com_assign(nodelist[1], OP_ASSIGN)
listNode = self.com_node(nodelist[3])
bodyNode = self.com_node(nodelist[5])
if len(nodelist) > 8:
elseNode = self.com_node(nodelist[8])
else:
elseNode = None
return For(assignNode, listNode, bodyNode, elseNode,
lineno=nodelist[0][2]) 示例3: com_try_except_finally
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def com_try_except_finally(self, nodelist):
# ('try' ':' suite
# ((except_clause ':' suite)+ ['else' ':' suite] ['finally' ':' suite]
# | 'finally' ':' suite))
if nodelist[3][0] == token.NAME:
# first clause is a finally clause: only try-finally
return TryFinally(self.com_node(nodelist[2]),
self.com_node(nodelist[5]),
lineno=nodelist[0][2])
#tryexcept: [TryNode, [except_clauses], elseNode)]
clauses = []
elseNode = None
finallyNode = None
for i in range(3, len(nodelist), 3):
node = nodelist[i]
if node[0] == symbol.except_clause:
# except_clause: 'except' [expr [(',' | 'as') expr]] */
if len(node) > 2:
expr1 = self.com_node(node[2])
if len(node) > 4:
expr2 = self.com_assign(node[4], OP_ASSIGN)
else:
expr2 = None
else:
expr1 = expr2 = None
clauses.append((expr1, expr2, self.com_node(nodelist[i+2])))
if node[0] == token.NAME:
if node[1] == 'else':
elseNode = self.com_node(nodelist[i+2])
elif node[1] == 'finally':
finallyNode = self.com_node(nodelist[i+2])
try_except = TryExcept(self.com_node(nodelist[2]), clauses, elseNode,
lineno=nodelist[0][2])
if finallyNode:
return TryFinally(try_except, finallyNode, lineno=nodelist[0][2])
else:
return try_except 示例4: com_with_item
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def com_with_item(self, nodelist, body, lineno):
# with_item: test ['as' expr]
if len(nodelist) == 4:
var = self.com_assign(nodelist[3], OP_ASSIGN)
else:
var = None
expr = self.com_node(nodelist[1])
return With(expr, var, body, lineno=lineno) 示例5: com_try_except_finally
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def com_try_except_finally(self, nodelist):
# ('try' ':' suite
# ((except_clause ':' suite)+ ['else' ':' suite] ['finally' ':' suite]
# | 'finally' ':' suite))
if nodelist[3][0] == token.NAME:
# first clause is a finally clause: only try-finally
return TryFinally(self.com_node(nodelist[2]),
self.com_node(nodelist[5]),
lineno=nodelist[0][2])
#tryexcept: [TryNode, [except_clauses], elseNode)]
clauses = []
elseNode = None
finallyNode = None
for i in range(3, len(nodelist), 3):
node = nodelist[i]
if node[0] == symbol.except_clause:
# except_clause: 'except' [expr [',' expr]] */
if len(node) > 2:
expr1 = self.com_node(node[2])
if len(node) > 4:
expr2 = self.com_assign(node[4], OP_ASSIGN)
else:
expr2 = None
else:
expr1 = expr2 = None
clauses.append((expr1, expr2, self.com_node(nodelist[i+2])))
if node[0] == token.NAME:
if node[1] == 'else':
elseNode = self.com_node(nodelist[i+2])
elif node[1] == 'finally':
finallyNode = self.com_node(nodelist[i+2])
try_except = TryExcept(self.com_node(nodelist[2]), clauses, elseNode,
lineno=nodelist[0][2])
if finallyNode:
return TryFinally(try_except, finallyNode, lineno=nodelist[0][2])
else:
return try_except 示例6: com_with
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def com_with(self, nodelist):
# with_stmt: 'with' expr [with_var] ':' suite
expr = self.com_node(nodelist[1])
body = self.com_node(nodelist[-1])
if nodelist[2][0] == token.COLON:
var = None
else:
var = self.com_assign(nodelist[2][2], OP_ASSIGN)
return With(expr, var, body, lineno=nodelist[0][2]) 示例7: com_list_comprehension
# 需要导入模块: from compiler import consts [as 别名]
# 或者: from compiler.consts import OP_ASSIGN [as 别名]
def com_list_comprehension(self, expr, node):
# list_iter: list_for | list_if
# list_for: 'for' exprlist 'in' testlist [list_iter]
# list_if: 'if' test [list_iter]
# XXX should raise SyntaxError for assignment
lineno = node[1][2]
fors = []
while node:
t = node[1][1]
if t == 'for':
assignNode = self.com_assign(node[2], OP_ASSIGN)
listNode = self.com_node(node[4])
newfor = ListCompFor(assignNode, listNode, [])
newfor.lineno = node[1][2]
fors.append(newfor)
if len(node) == 5:
node = None
else:
node = self.com_list_iter(node[5])
elif t == 'if':
test = self.com_node(node[2])
newif = ListCompIf(test, lineno=node[1][2])
newfor.ifs.append(newif)
if len(node) == 3:
node = None
else:
node = self.com_list_iter(node[3])
else:
raise SyntaxError, \
("unexpected list comprehension element: %s %d"
% (node, lineno))
return ListComp(expr, fors, lineno=lineno)