97 lines
2.9 KiB
Python
97 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2013 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# ____________________________________________________________
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"user defined exceptions"
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# Exceptions for an Option
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class PropertiesOptionError(AttributeError):
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"attempt to access to an option with a property that is not allowed"
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def __init__(self, msg, proptype):
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self.proptype = proptype
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super(PropertiesOptionError, self).__init__(msg)
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#____________________________________________________________
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# Exceptions for a Config
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class ConfigError(Exception):
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"""attempt to change an option's owner without a value
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or in case of `_cfgimpl_descr` is None
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or if a calculation cannot be carried out"""
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pass
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class ContextError(Exception):
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"""context needed but not given
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"""
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pass
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class ConflictError(Exception):
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"duplicate options are present in a single config"
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pass
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#____________________________________________________________
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# miscellaneous exceptions
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class RequirementError(Exception):
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"""a recursive loop occurs in the requirements tree
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requires
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"""
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pass
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class SlaveError(Exception):
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"problem with a slave's value length"
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pass
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class ConstError(TypeError):
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"no uniq value in _NameSpace"
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pass
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#Warning
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class ValueWarning(UserWarning): # pragma: optional cover
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"""Option could warn user and not raise ValueError.
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Example:
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>>> import warnings
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>>> from tiramisu.error import ValueWarning
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>>> from tiramisu.option import StrOption, OptionDescription
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>>> from tiramisu.config import Config
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>>> warnings.simplefilter("always", ValueWarning)
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>>> def a(val):
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... raise ValueError('pouet')
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...
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>>> s=StrOption('s', '', validator=a, warnings_only=True)
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>>> o=OptionDescription('o', '', [s])
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>>> c=Config(o)
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>>> c.s = 'val'
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StrOption:0: ValueWarning: invalid value val for option s: pouet
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>>> with warnings.catch_warnings(record=True) as w:
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... c.s = 'val'
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...
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>>> w[0].message.opt == s
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True
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>>> print str(w[0].message)
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invalid value val for option s: pouet
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"""
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def __init__(self, msg, opt):
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self.opt = opt
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super(ValueWarning, self).__init__(msg)
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