[all] Add log_level and native Python loggin class

Author: Samuel Hassine

pycti/opencti_api_client.py

@@ -21,7 +21,7 @@ class OpenCTIApiClient:
 
     def __init__(self, url, token, log_level='info'):
         # Configure logger
-        numeric_level = getattr(logging, log_level, None)
+        numeric_level = getattr(logging, log_level.upper(), None)
         if not isinstance(numeric_level, int):
             raise ValueError('Invalid log level: ' + log_level)
         logging.basicConfig(level=numeric_level)

pycti/opencti_connector_helper.py

@@ -22,7 +22,7 @@ class OpenCTIConnectorHelper:
 
     def __init__(self, identifier, config, rabbitmq_hostname, rabbitmq_port, rabbitmq_username, rabbitmq_password, log_level='info'):
         # Configure logger
-        numeric_level = getattr(logging, log_level, None)
+        numeric_level = getattr(logging, log_level.upper(), None)
         if not isinstance(numeric_level, int):
             raise ValueError('Invalid log level: ' + log_level)
         logging.basicConfig(level=numeric_level)

pycti/opencti_stix2.py

@@ -21,7 +21,7 @@ class OpenCTIStix2:
 
     def __init__(self, opencti, log_level='info'):
         # Configure logger
-        numeric_level = getattr(logging, log_level, None)
+        numeric_level = getattr(logging, log_level.upper(), None)
         if not isinstance(numeric_level, int):
             raise ValueError('Invalid log level: ' + log_level)
         logging.basicConfig(level=numeric_level)