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81 lines
2.4 KiB
Python
81 lines
2.4 KiB
Python
# Copyright 2017 LasLabs Inc.
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# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
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from contextlib import contextmanager
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from odoo import api, fields, models, _
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from odoo.exceptions import UserError
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class ExternalSystemAdapter(models.AbstractModel):
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"""This is the model that should be inherited for new external systems.
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Methods provided are prefixed with ``external_`` in order to keep from
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"""
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_name = 'external.system.adapter'
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_description = 'External System Adapter'
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_inherits = {'external.system': 'system_id'}
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system_id = fields.Many2one(
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string='System',
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comodel_name='external.system',
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required=True,
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ondelete='cascade',
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)
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@api.multi
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@contextmanager
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def client(self):
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"""Client object usable as a context manager to include destruction.
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Yields the result from ``external_get_client``, then calls
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``external_destroy_client`` to cleanup the client.
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Yields:
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mixed: An object representing the client connection to the remote
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system.
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"""
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client = self.external_get_client()
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try:
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yield client
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finally:
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self.external_destroy_client(client)
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@api.multi
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def external_get_client(self):
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"""Return a usable client representing the remote system."""
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self.ensure_one()
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@api.multi
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def external_destroy_client(self, client):
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"""Perform any logic necessary to destroy the client connection.
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Args:
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client (mixed): The client that was returned by
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``external_get_client``.
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"""
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self.ensure_one()
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@api.multi
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def external_test_connection(self):
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"""Adapters should override this method, then call super if valid.
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If the connection is invalid, adapters should raise an instance of
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``odoo.ValidationError``.
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Raises:
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odoo.exceptions.UserError: In the event of a good connection.
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"""
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raise UserError(_('The connection was a success.'))
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@api.model
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def create(self, vals):
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context_self = self.with_context(no_create_interface=True)
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vals.update({
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'system_type': self._name,
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})
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record = super(ExternalSystemAdapter, context_self).create(vals)
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record.system_id.interface = record
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return record
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