74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
#This file is part of Tryton. The COPYRIGHT file at the top level of this repository contains the full copyright notices and license terms.
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from trytond.netsvc import Service, LocalService
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from trytond import security
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from threading import Lock
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from random import randint
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from sys import maxint
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from trytond.tools import Cache
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class Wizard(Service):
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def __init__(self, name='wizard'):
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Service.__init__(self, name)
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Service.join_group(self, 'web-service')
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Service.export_method(self, self.execute)
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Service.export_method(self, self.create)
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Service.export_method(self, self.delete)
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self.wiz_datas = {}
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self.wiz_name = {}
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self.wiz_uid = {}
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self.lock = Lock()
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def _execute(self, database, user, wiz_id, datas, action, context):
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self.wiz_datas[wiz_id].update(datas)
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wiz = LocalService('wizard_proxy')
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return wiz.execute(database, user, self.wiz_name[wiz_id],
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self.wiz_datas[wiz_id], action, context)
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def create(self, database, user, passwd, wiz_name, datas=None):
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user = security.check(database, user, passwd)
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Cache.clean(database)
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self.lock.acquire()
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wiz_id = 0
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while True:
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wiz_id = randint(0, maxint)
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if wiz_id not in self.wiz_name:
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break
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self.wiz_datas[wiz_id] = {}
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self.wiz_name[wiz_id] = wiz_name
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self.wiz_uid[wiz_id] = user
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self.lock.release()
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Cache.resets(database)
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return wiz_id
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def execute(self, database, user, passwd, wiz_id, datas, *args):
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user = security.check(database, user, passwd)
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Cache.clean(database)
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if wiz_id in self.wiz_uid:
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if self.wiz_uid[wiz_id] == user:
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res = self._execute(database, user, wiz_id, datas, *args)
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Cache.resets(database)
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return res
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else:
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raise Exception, 'AccessDenied'
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else:
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raise Exception, 'WizardNotFound'
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def delete(self, database, user, passwd, wiz_id):
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user = security.check(database, user, passwd)
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Cache.clean(database)
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if wiz_id in self.wiz_uid:
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if self.wiz_uid[wiz_id] == user:
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self.lock.acquire()
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del self.wiz_datas[wiz_id]
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del self.wiz_name[wiz_id]
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del self.wiz_uid[wiz_id]
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self.lock.release()
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Cache.resets(database)
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return wiz_id
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else:
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raise Exception, 'AccessDenied'
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else:
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raise Exception, 'WizardNotFound'
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