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#!/usr/bin/python
# -*- coding: utf8 -*-
# author: wly
# date: 2015-09-09
# see license for license details
_DEFAULTS = "vstf check key defaults".encode()
def check(key, choices=[], defaults=_DEFAULTS):
def _deco(func):
def __deco(*args, **kwargs):
if key not in kwargs:
if defaults != _DEFAULTS:
kwargs[key] = defaults
else:
raise Exception("Error: '%s' is needed in %s" % (key, func))
if choices and kwargs[key] not in choices:
raise Exception("Error: %s :%s" % (key, kwargs[key]))
ret = func(*args, **kwargs)
return ret
return __deco
return _deco
def dcheck(key, choices=[]):
def _deco(func):
def __deco(*args):
if len(args) == 2:
values = args[1]
elif len(args) == 1:
values = args[0]
else:
values = None
if isinstance(values, dict):
if key not in values:
raise Exception("Error: '%s' is needed in %s" % (key, func))
if choices and values[key] not in choices:
raise Exception("Error: %s :%s" % (key, values[key]))
ret = func(*args)
return ret
return __deco
return _deco
def vstf_input(key, types=str, choices=[], default=None):
def _deco(func):
def __deco(*args):
ret = func(*args)
if not isinstance(ret, dict):
ret = {}
in_str = "----> %s : " % key
if choices:
in_str = "---- %s\n" % (str(choices)) + in_str
while True:
if types == list or types == dict:
value = input(in_str)
else:
value = raw_input(in_str)
value = types(value)
if not value:
value = default
if not choices or value in choices:
break
ret.update({key: value})
return ret
return __deco
return _deco
def namespace():
def _deco(func):
def __deco(*args, **kwargs):
ret = func(*args, **kwargs)
nspace = kwargs.get("namespace", None)
if nspace:
ret = "ip netns exec %(namespace)s " % {"namespace": nspace} + ret
return ret
return __deco
return _deco
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