celery: move initialization of global kallithea.CELERY_EAGER to the place where we read celery configuration

Prepare for backwards compatibility after the name change with Celery 4.

kallithea/config/app_cfg.py

@@ -161,7 +161,6 b' def setup_configuration(app):'
     # store some globals into kallithea
     if str2bool(config.get('use_celery')):
         kallithea.CELERY_APP = celerypylons.make_app()
-    kallithea.CELERY_EAGER = str2bool(config.get('celery.always.eager'))
     kallithea.CONFIG = config
 
     load_rcextensions(root_path=config['here'])

kallithea/lib/celerypylons/__init__.py

@@ -19,12 +19,15 b' import logging'
 import celery
 import tg
 
+import kallithea
+
 
 class CeleryConfig(object):
     CELERY_IMPORTS = ['kallithea.lib.celerylib.tasks']
     CELERY_ACCEPT_CONTENT = ['json']
     CELERY_RESULT_SERIALIZER = 'json'
     CELERY_TASK_SERIALIZER = 'json'
+    CELERY_ALWAYS_EAGER = False
 
 
 desupported = set([
@@ -37,7 +40,7 b' desupported = set(['
 log = logging.getLogger(__name__)
 
 
-def celery_config(config):
+def make_celery_config(config):
     """Return Celery config object populated from relevant settings in a config dict, such as tg.config"""
 
     celery_config = CeleryConfig()
@@ -68,5 +71,7 b' def celery_config(config):'
 def make_app():
     """Create celery app from the TurboGears configuration file"""
     app = celery.Celery()
-    app.config_from_object(celery_config(tg.config))
+    celery_config = make_celery_config(tg.config)
+    kallithea.CELERY_EAGER = celery_config.CELERY_ALWAYS_EAGER
+    app.config_from_object(celery_config)
     return app