3.0.0 policy-handler - migrated to python 3.6

- migrated from python 2.7 to 3.6
- brought up the latest versions of dependencies
  -- Cherrypy 15.0.0, requests 2.18.4, websocket-client 0.48.0
- fixed migration errors
  -- renamed the standard package Queue to queue
  -- dict.items() instead of dict.iteritems()
  -- dict.keys() instead of dict.viewkeys()
  -- range() instead of xrange()
  -- subprocess.check_output(..., universal_newlines=True) to
     get str instead of byte-stream from stdout
- cleaned up migration warnings
  -- super() instead of super(A, self)
  -- logger.warning() instead of .warn()
- moved main() from policy_handler.py to __main__.py
- getting the policy_handler version directly from setup.py
  instead of the env var on init of the audit

Change-Id: I0fc4ddc51c08a64f3cfdc5d2f010b1c6a1ae92f0
Signed-off-by: Alex Shatov <alexs@att.com>
Issue-ID: DCAEGEN2-515

1 files changed, 57 insertions, 0 deletions

diff --git a/policyhandler/__main__.py b/policyhandler/__main__.py
new file mode 100644
index 0000000..1f17d9d
--- /dev/null
+++ b/policyhandler/__main__.py
@@ -0,0 +1,57 @@
+# ================================================================================
+# Copyright (c) 2017-2018 AT&T Intellectual Property. All rights reserved.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============LICENSE_END=========================================================
+#
+# ECOMP is a trademark and service mark of AT&T Intellectual Property.
+
+"""
+    run as server:
+    python -m policyhandler
+
+    that will invoke this module __main__.py in folder of policyhandler
+"""
+
+import logging
+import sys
+
+from policyhandler import LogWriter
+from policyhandler.config import Config
+from policyhandler.onap.audit import Audit
+from policyhandler.policy_receiver import PolicyReceiver
+from policyhandler.web_server import PolicyWeb
+
+
+def run_policy_handler():
+    """main run function for policy-handler"""
+    Config.load_from_file()
+    Config.discover()
+
+    logger = logging.getLogger("policy_handler")
+    sys.stdout = LogWriter(logger.info)
+    sys.stderr = LogWriter(logger.error)
+
+    logger.info("========== run_policy_handler ========== %s", __package__)
+    Audit.init(Config.get_system_name(), Config.LOGGER_CONFIG_FILE_PATH)
+
+    logger.info("starting policy_handler with config:")
+    logger.info(Audit.log_json_dumps(Config.config))
+
+    audit = Audit(req_message="start policy handler")
+    PolicyReceiver.run(audit)
+    PolicyWeb.run_forever(audit)
+
+
+if __name__ == "__main__":
+    run_policy_handler()