105 lines
4.0 KiB
Python
105 lines
4.0 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of
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#this repository contains the full copyright notices and license terms.
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from trytond.transaction import Transaction
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from trytond.pool import Pool
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from trytond.exceptions import UserError, UserWarning
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class WarningErrorMixin(object):
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@classmethod
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def raise_user_error(cls, error, error_args=None,
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error_description='', error_description_args=None,
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raise_exception=True):
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'''
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Raise an exception that will be displayed as an error message
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in the client.
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:param error: the key of the dictionary _error_messages used
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for error message
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:param error_args: the arguments that will be used
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for "%"-based substitution
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:param error_description: the key of the dictionary
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_error_messages used for error description
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:param error_description_args: the arguments that will be used
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for "%"-based substitution
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:param raise_exception: if set to False return the error string
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(or tuple if error_description is not empty) instead of raising an
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exception.
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'''
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Translation = Pool().get('ir.translation')
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error = cls._error_messages.get(error, error)
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language = Transaction().language
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res = Translation.get_source(cls.__name__, 'error', language, error)
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if not res:
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res = Translation.get_source(error, 'error', language)
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if res:
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error = res
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if error_args:
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try:
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error = error % error_args
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except TypeError:
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pass
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if error_description:
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error_description = cls._error_messages.get(error_description,
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error_description)
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res = Translation.get_source(cls.__name__, 'error', language,
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error_description)
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if not res:
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res = Translation.get_source(error_description, 'error',
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language)
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if res:
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error_description = res
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if error_description_args:
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try:
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error_description = (error_description
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% error_description_args)
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except TypeError:
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pass
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if raise_exception:
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raise UserError(error, error_description)
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else:
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return (error, error_description)
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if raise_exception:
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raise UserError(error)
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else:
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return error
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@classmethod
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def raise_user_warning(cls, warning_name, warning,
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warning_args=None, warning_description='',
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warning_description_args=None):
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'''
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Raise an exception that will be displayed as a warning message
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in the client, if the user has not yet bypassed it.
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:param warning_name: the unique warning name
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:param warning: the key of the dictionary _error_messages used
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for warning message
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:param warning_args: the arguments that will be used for
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"%"-based substitution
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:param warning_description: the key of the dictionary
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_error_messages used for warning description
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:param warning_description_args: the arguments that will be used
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for "%"-based substitution
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'''
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Warning_ = Pool().get('res.user.warning')
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if Warning_.check(warning_name):
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if warning_description:
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warning, warning_description = cls.raise_user_error(warning,
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error_args=warning_args,
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error_description=warning_description,
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error_description_args=warning_description_args,
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raise_exception=False)
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raise UserWarning(warning_name, warning, warning_description)
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else:
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warning = cls.raise_user_error(warning,
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error_args=warning_args, raise_exception=False)
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raise UserWarning(warning_name, warning)
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