111 lines
2.9 KiB
Python
111 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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"""The Odoo Exceptions module defines a few core exception types.
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Those types are understood by the RPC layer.
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Any other exception type bubbling until the RPC layer will be
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treated as a 'Server error'.
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.. note::
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If you consider introducing new exceptions,
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check out the :mod:`odoo.addons.test_exceptions` module.
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"""
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import warnings
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class UserError(Exception):
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"""Generic error managed by the client.
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Typically when the user tries to do something that has no sense given the current
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state of a record. Semantically comparable to the generic 400 HTTP status codes.
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"""
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def __init__(self, message):
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"""
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:param message: exception message and frontend modal content
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"""
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super().__init__(message)
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class RedirectWarning(Exception):
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""" Warning with a possibility to redirect the user instead of simply
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displaying the warning message.
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:param str message: exception message and frontend modal content
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:param int action_id: id of the action where to perform the redirection
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:param str button_text: text to put on the button that will trigger
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the redirection.
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:param dict additional_context: parameter passed to action_id.
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Can be used to limit a view to active_ids for example.
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"""
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def __init__(self, message, action, button_text, additional_context=None):
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super().__init__(message, action, button_text, additional_context)
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# using this RedirectWarning won't crash if used as an UserError
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@property
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def name(self):
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warnings.warn(
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"RedirectWarning attribute 'name' is a deprecated alias to args[0]",
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DeprecationWarning)
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return self.args[0]
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class AccessDenied(UserError):
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"""Login/password error.
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.. note::
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No traceback.
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.. admonition:: Example
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When you try to log with a wrong password.
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"""
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def __init__(self, message="Access Denied"):
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super().__init__(message)
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self.with_traceback(None)
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self.__cause__ = None
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self.traceback = ('', '', '')
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class AccessError(UserError):
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"""Access rights error.
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.. admonition:: Example
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When you try to read a record that you are not allowed to.
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"""
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class CacheMiss(KeyError):
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"""Missing value(s) in cache.
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.. admonition:: Example
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When you try to read a value in a flushed cache.
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"""
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def __init__(self, record, field):
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super().__init__("%r.%s" % (record, field.name))
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class MissingError(UserError):
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"""Missing record(s).
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.. admonition:: Example
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When you try to write on a deleted record.
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"""
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class ValidationError(UserError):
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"""Violation of python constraints.
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.. admonition:: Example
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When you try to create a new user with a login which already exist in the db.
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"""
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