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Diffstat (limited to 'nova/validate.py')
-rw-r--r-- | nova/validate.py | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/nova/validate.py b/nova/validate.py deleted file mode 100644 index 49578a24d..000000000 --- a/nova/validate.py +++ /dev/null @@ -1,94 +0,0 @@ -# vim: tabstop=4 shiftwidth=4 softtabstop=4 - -# Copyright 2010 United States Government as represented by the -# Administrator of the National Aeronautics and Space Administration. -# All Rights Reserved. -# -# Licensed under the Apache License, Version 2.0 (the "License"); you may -# not use this file except in compliance with the License. You may obtain -# a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -# License for the specific language governing permissions and limitations -# under the License. - -"""Decorators for argument validation, courtesy of -http://rmi.net/~lutz/rangetest.html""" - - -def rangetest(**argchecks): - """Validate ranges for both + defaults""" - - def onDecorator(func): - """onCall remembers func and argchecks""" - import sys - code = func.__code__ if sys.version_info[0] == 3 else func.func_code - allargs = code.co_varnames[:code.co_argcount] - funcname = func.__name__ - - def onCall(*pargs, **kargs): - # all pargs match first N args by position - # the rest must be in kargs or omitted defaults - positionals = list(allargs) - positionals = positionals[:len(pargs)] - - for (argname, (low, high)) in argchecks.items(): - # for all args to be checked - if argname in kargs: - # was passed by name - if float(kargs[argname]) < low or \ - float(kargs[argname]) > high: - errmsg = _('{0} argument "{1}" not in {2}..{3}') - errmsg = errmsg.format(funcname, argname, low, high) - raise TypeError(errmsg) - - elif argname in positionals: - # was passed by position - position = positionals.index(argname) - if float(pargs[position]) < low or \ - float(pargs[position]) > high: - errmsg = _('{0} argument "{1}" with value of {4} ' - 'not in {2}..{3}') - errmsg = errmsg.format(funcname, argname, low, high, - pargs[position]) - raise TypeError(errmsg) - else: - pass - - return func(*pargs, **kargs) # okay: run original call - return onCall - return onDecorator - - -def typetest(**argchecks): - def onDecorator(func): - import sys - code = func.__code__ if sys.version_info[0] == 3 else func.func_code - allargs = code.co_varnames[:code.co_argcount] - funcname = func.__name__ - - def onCall(*pargs, **kargs): - positionals = list(allargs)[:len(pargs)] - for (argname, typeof) in argchecks.items(): - if argname in kargs: - if not isinstance(kargs[argname], typeof): - errmsg = _('{0} argument "{1}" not of type {2}') - errmsg = errmsg.format(funcname, argname, typeof) - raise TypeError(errmsg) - elif argname in positionals: - position = positionals.index(argname) - if not isinstance(pargs[position], typeof): - errmsg = _('{0} argument "{1}" with value of {2} ' - 'not of type {3}') - errmsg = errmsg.format(funcname, argname, - pargs[position], typeof) - raise TypeError(errmsg) - else: - pass - return func(*pargs, **kargs) - return onCall - return onDecorator |