/usr/lib/python3/dist-packages/plainbox/impl/validation.py is in python3-plainbox 0.25-1.
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#
# Copyright 2012-2014 Canonical Ltd.
# Written by:
# Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
"""
:mod:`plainbox.impl.validation` -- validation tools
===================================================
"""
import logging
import copy
from plainbox.i18n import gettext as _
from plainbox.i18n import gettext_noop as N_
from plainbox.impl.symbol import SymbolDef
logger = logging.getLogger("plainbox.validation")
class Problem(SymbolDef):
"""
Symbols for each possible problem that a field value may have
"""
missing = 'missing'
wrong = 'wrong'
useless = 'useless'
deprecated = 'deprecated'
constant = 'constant'
variable = 'variable'
unknown_param = 'unknown_param'
syntax_error = 'syntax_error'
unknown = 'unknown'
not_unique = 'not_unique'
expected_i18n = 'expected_i18n'
unexpected_i18n = 'unexpected_i18n'
bad_reference = 'bad_reference'
class Severity(SymbolDef, allow_outer={"N_"}):
"""
Symbols for class:`Issue` severity
"""
error = N_('error')
warning = N_('warning')
advice = N_('advice')
class Issue:
"""
Base carrier class for information about problems
:attr message:
Short description of the problem (one line)
:attr severity:
Severity of the problem (see :class:`Severity`)
:attr kind:
Problem "type" which is a Symbol with ``errno``-like semantics
:attr origin:
(optional) Origin of the problem
(see :class:`plainbox.impl.secure.origin.Origin`)
"""
def __init__(self, message, severity, kind, origin):
self.message = message
self.severity = severity
self.kind = kind
self.origin = origin
def __str__(self):
if self.origin is not None:
return "{origin}: {severity}: {message}".format(
origin=self.origin, severity=_(str(self.severity)),
message=self.message)
else:
return "{severity}: {message}".format(
severity=_(str(self.severity)), message=self.message)
def __repr__(self):
return (
"{}(message={!r}, severity={!r}, kind={!r}, origin={!r})"
).format(self.__class__.__name__, self.message,
self.severity, self.kind, self.origin)
def relative_to(self, base_dir):
other = copy.copy(self)
if self.origin is not None:
other.origin = self.origin.relative_to(base_dir)
return other
class ValidationError(ValueError):
"""
Exception raised by to report jobs with problematic definitions.
"""
def __init__(self, field, problem, hint=None, origin=None):
self.field = field
self.problem = problem
self.hint = hint
self.origin = origin
def __str__(self):
return _("Problem with field {}: {}").format(self.field, self.problem)
def __repr__(self):
return (
"ValidationError(field={!r}, problem={!r}, "
"hint={!r}, origin={!r})"
).format(self.field, self.problem, self.hint, self.origin)
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