[18.0] Add 'Allow Commit' option on job functions

queue_job/controllers/main.py

@@ -38,8 +38,10 @@ def _prevent_commit(cr):
     def forbidden_commit(*args, **kwargs):
         raise RuntimeError(
             "Commit is forbidden in queue jobs. "
-            "If the current job is a cron running as queue job, "
-            "modify it to run as a normal cron."
+            'You may want to enable the "Allow Commit" option on the Job '
+            "Function. Alternatively, if the current job is a cron running as "
+            "queue job, you can modify it to run as a normal cron. More details on: "
+            "https://github.com/OCA/queue/wiki/%5BDRAFT%5D-Upgrade-warning:-commits-inside-jobs"
         )
 
     original_commit = cr.commit

queue_job/job.py

@@ -8,6 +8,7 @@
 import sys
 import uuid
 import weakref
+from contextlib import contextmanager, nullcontext
 from datetime import datetime, timedelta
 from random import randint
 
@@ -406,10 +407,6 @@ def __init__(
         self.method_name = func.__name__
         self.recordset = recordset
 
-        self.env = env
-        self.job_model = self.env["queue.job"]
-        self.job_model_name = "queue.job"
-
         self.job_config = (
             self.env["queue.job.function"].sudo().job_config(self.job_function_name)
         )
@@ -487,7 +484,12 @@ def perform(self):
         """
         self.retry += 1
         try:
-            self.result = self.func(*tuple(self.args), **self.kwargs)
+            if self.job_config.allow_commit:
+                env_context_manager = self._with_temporary_env()
+            else:
+                env_context_manager = nullcontext()
+            with env_context_manager:
+                self.result = self.func(*tuple(self.args), **self.kwargs)
         except RetryableJobError as err:
             if err.ignore_retry:
                 self.retry -= 1
@@ -507,6 +509,16 @@ def perform(self):
 
         return self.result
 
+    @contextmanager
+    def _with_temporary_env(self):
+        with self.env.registry.cursor() as new_cr:
+            env = self.recordset.env
+            self.recordset = self.recordset.with_env(env(cr=new_cr))
+            try:
+                yield
+            finally:
+                self.recordset = self.recordset.with_env(env)
+
     def _get_common_dependent_jobs_query(self):
         return """
             UPDATE queue_job
@@ -665,6 +677,10 @@ def __hash__(self):
     def db_record(self):
         return self.db_records_from_uuids(self.env, [self.uuid])
 
+    @property
+    def env(self):
+        return self.recordset.env
+
     @property
     def func(self):
         recordset = self.recordset.with_context(job_uuid=self.uuid)

queue_job/models/queue_job_function.py

@@ -28,7 +28,8 @@ class QueueJobFunction(models.Model):
         "related_action_enable "
         "related_action_func_name "
         "related_action_kwargs "
-        "job_function_id ",
+        "job_function_id "
+        "allow_commit",
     )
 
     def _default_channel(self):
@@ -79,6 +80,12 @@ def _default_channel(self):
         "enable, func_name, kwargs.\n"
         "See the module description for details.",
     )
+    allow_commit = fields.Boolean(
+        help="Allows the job to commit transactions during execution. "
+        "Under the hood, this executes the job in a new database cursor, "
+        "which incurs an overhead as it requires an extra connection to "
+        "the database. "
+    )
 
     @api.depends("model_id.model", "method")
     def _compute_name(self):
@@ -149,6 +156,7 @@ def job_default_config(self):
             related_action_func_name=None,
             related_action_kwargs={},
             job_function_id=None,
+            allow_commit=False,
         )
 
     def _parse_retry_pattern(self):
@@ -184,6 +192,7 @@ def job_config(self, name):
             related_action_func_name=config.related_action.get("func_name"),
             related_action_kwargs=config.related_action.get("kwargs", {}),
             job_function_id=config.id,
+            allow_commit=config.allow_commit,
         )
 
     def _retry_pattern_format_error_message(self):

queue_job/tests/common.py

@@ -276,7 +276,7 @@ def _add_job(self, *args, **kwargs):
 
     def _prepare_context(self, job):
         # pylint: disable=context-overridden
-        job_model = job.job_model.with_context({})
+        job_model = job.env["queue.job"].with_context({})
         field_records = job_model._fields["records"]
         # Filter the context to simulate store/load of the job
         job.recordset = field_records.convert_to_write(job.recordset, job_model)

queue_job/tests/test_model_job_function.py

@@ -42,6 +42,7 @@ def test_function_job_config(self):
                     ' "func_name": "related_action_foo",'
                     ' "kwargs": {"b": 1}}'
                 ),
+                "allow_commit": True,
             }
         )
         self.assertEqual(
@@ -53,5 +54,6 @@ def test_function_job_config(self):
                 related_action_func_name="related_action_foo",
                 related_action_kwargs={"b": 1},
                 job_function_id=job_function.id,
+                allow_commit=True,
             ),
         )

queue_job/views/queue_job_function_views.xml

@@ -10,6 +10,7 @@
                     <field name="model_id" required="1" />
                     <field name="method" required="1" />
                     <field name="channel_id" />
+                    <field name="allow_commit" />
                     <field name="edit_retry_pattern" widget="ace" />
                     <field name="edit_related_action" widget="ace" />
                 </group>
@@ -24,6 +25,7 @@
             <list>
                 <field name="name" />
                 <field name="channel_id" />
+                <field name="allow_commit" />
             </list>
         </field>
     </record>