18.0 vanilla

odoo-bringout-oca-ocb-base/odoo/_monkeypatches/evented.py

@@ -0,0 +1,39 @@
+"""
+Running mode flags (gevent, prefork)
+
+This should be imported as early as possible.
+It will initialize the `odoo.evented` variable.
+"""
+import odoo
+import sys
+
+odoo.evented = False
+
+
+def patch_evented():
+    if odoo.evented or not (len(sys.argv) > 1 and sys.argv[1] == 'gevent'):
+        return
+    sys.argv.remove('gevent')
+    import gevent.monkey  # noqa: PLC0415
+    import psycopg2  # noqa: PLC0415
+    from gevent.socket import wait_read, wait_write  # noqa: PLC0415
+    gevent.monkey.patch_all()
+
+    def gevent_wait_callback(conn, timeout=None):
+        """A wait callback useful to allow gevent to work with Psycopg."""
+        # Copyright (C) 2010-2012 Daniele Varrazzo <daniele.varrazzo@gmail.com>
+        # This function is borrowed from psycogreen module which is licensed
+        # under the BSD license (see in odoo/debian/copyright)
+        while 1:
+            state = conn.poll()
+            if state == psycopg2.extensions.POLL_OK:
+                break
+            elif state == psycopg2.extensions.POLL_READ:
+                wait_read(conn.fileno(), timeout=timeout)
+            elif state == psycopg2.extensions.POLL_WRITE:
+                wait_write(conn.fileno(), timeout=timeout)
+            else:
+                raise psycopg2.OperationalError(
+                    "Bad result from poll: %r" % state)
+    psycopg2.extensions.set_wait_callback(gevent_wait_callback)
+    odoo.evented = True