Initial import from Docker volume

cron.py

@@ -0,0 +1,47 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+import logging
+import threading
+import time
+
+from trytond.pool import Pool
+from trytond.transaction import Transaction
+
+__all__ = ['run']
+logger = logging.getLogger(__name__)
+
+
+def run(options):
+    threads = []
+    for name in options.database_names:
+        thread = threading.Thread(target=lambda: Pool(name).init())
+        thread.start()
+        threads.append(thread)
+    for thread in threads:
+        thread.join()
+
+    threads = {}
+    while True:
+        for db_name in options.database_names:
+            thread = threads.get(db_name)
+            if thread and thread.is_alive():
+                logger.info(
+                    'skip "%s" as previous cron still running', db_name)
+                continue
+            database_list = Pool.database_list()
+            pool = Pool(db_name)
+            if db_name not in database_list:
+                with Transaction().start(db_name, 0, readonly=True):
+                    pool.init()
+            Cron = pool.get('ir.cron')
+            thread = threading.Thread(
+                    target=Cron.run,
+                    args=(db_name,), kwargs={})
+            logger.info('start thread for "%s"', db_name)
+            thread.start()
+            threads[db_name] = thread
+        if options.once:
+            break
+        time.sleep(60)
+    for thread in threads.values():
+        thread.join()