本文整理汇总了Python中symbol.except_clause方法的典型用法代码示例。如果您正苦于以下问题：Python symbol.except_clause方法的具体用法？Python symbol.except_clause怎么用？Python symbol.except_clause使用的例子？那么, 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.except_clause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: com_try_except_finally
# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import except_clause [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2: _get_forbidden_symbols
# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import except_clause [as 别名]
def _get_forbidden_symbols():
"""
Returns a list of symbol codes representing statements that are *not*
wanted in configuration files.
"""
try:
# Python 2.5:
symlst = [symbol.break_stmt, symbol.classdef, symbol.continue_stmt,
symbol.decorator, symbol.decorators, symbol.eval_input,
symbol.except_clause, symbol.exec_stmt, symbol.flow_stmt,
symbol.for_stmt, symbol.fpdef, symbol.fplist, symbol.funcdef,
symbol.global_stmt, symbol.import_as_name, symbol.import_as_names,
symbol.import_from, symbol.import_name, symbol.import_stmt,
symbol.lambdef, symbol.old_lambdef, symbol.print_stmt,
symbol.raise_stmt, symbol.try_stmt, symbol.while_stmt,
symbol.with_stmt, symbol.with_var, symbol.yield_stmt,
symbol.yield_expr]
except AttributeError:
# Python 2.4:
symlst = [symbol.break_stmt, symbol.classdef, symbol.continue_stmt,
symbol.decorator, symbol.decorators, symbol.eval_input,
symbol.except_clause, symbol.exec_stmt, symbol.flow_stmt,
symbol.for_stmt, symbol.fpdef, symbol.fplist, symbol.funcdef,
symbol.global_stmt, symbol.import_as_name, symbol.import_as_names,
symbol.import_from, symbol.import_name, symbol.import_stmt,
symbol.lambdef, symbol.print_stmt, symbol.raise_stmt,
symbol.try_stmt, symbol.while_stmt]
return symlst 示例3: com_try_except_finally
# 需要导入模块: import symbol [as 别名]
# 或者: from symbol import except_clause [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