add method to support getting request logger by using method json_logging.get_request_logger(), fix #23

Author: bobbui

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).  
 The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
+## 1.0.2 - 2019-07-20
+ - add method to support getting request logger by using method json_logging.get_request_logger(), fix #23
+
 ## 1.0.1 - 2019-07-20
  - prevent log forging, fix #1
 

json_logging/__init__.py

@@ -25,6 +25,7 @@
 COMPONENT_INSTANCE_INDEX = 0
 
 _framework_support_map = {}
+_request_logger = None
 _current_framework = None
 _logger = get_library_logger(__name__)
 _request_util = None
@@ -162,11 +163,23 @@ def init_request_instrument(app=None):
 
     configurator = _current_framework['app_request_instrumentation_configurator']()
     configurator.config(app)
-    handlers = configurator.request_logger.handlers
+    request_logger = configurator.request_logger
+    handlers = request_logger.handlers
     for handler in handlers:
         handler.setFormatter(JSONRequestLogFormatter())
 
 
+def get_request_logger():
+    global _request_logger
+    if _current_framework is None or _current_framework == '-':
+        raise RuntimeError("please init the logging first, call init(framework_name) first")
+
+    if _request_logger is None:
+        raise RuntimeError("please init request instrument first, call init_request_instrument(app) first")
+
+    return _request_logger
+
+
 class RequestInfo(dict):
     """
         class that keep HTTP request information for request instrumentation logging

setup.py

@@ -12,7 +12,7 @@
 
 setup(
     name="json-logging",
-    version='1.0.1',
+    version='1.0.2',
     packages=find_packages(exclude=['contrib', 'docs', 'tests*', 'example', 'dist', 'build']),
     license='Apache License 2.0',
     description="JSON Python Logging",