Allow for infrastructure to set logger on parsers.

common/python/nomadcore/baseclasses.py

@@ -9,7 +9,9 @@ import os
 import copy
 import numpy as np
 import logging
+from future.utils import with_metaclass
 from abc import ABCMeta, abstractmethod
+
 from nomadcore.unit_conversion import unit_conversion
 from nomadcore.simple_parser import mainFunction
 from nomadcore.local_backend import LocalBackend
@@ -17,9 +19,8 @@ from nomadcore.local_meta_info import load_metainfo
 from nomadcore.caching_backend import CachingLevel
 from nomadcore.simple_parser import extractOnCloseTriggers, extractOnOpenTriggers
 from nomadcore.caching_backend import ActiveBackend
-import nomadcore.ActivateLogging
-from future.utils import with_metaclass
-logger = logging.getLogger("nomad")
+
+logger = logging.getLogger(__file__)
 
 
 class ParserInterface(with_metaclass(ABCMeta, object)):
@@ -43,22 +44,31 @@ class ParserInterface(with_metaclass(ABCMeta, object)):
     """
     metainfo_env = None
 
-    def __init__(self, metainfo_to_keep=None, backend=None, default_units=None, metainfo_units=None, debug=False, log_level=logging.ERROR, store=True):
+    def __init__(
+            self, metainfo_to_keep=None, backend=None, default_units=None,
+            metainfo_units=None, debug=False, log_level=logging.ERROR, store=True):
         """
-    Args:
-        main_file: A special file that can be considered the main file of the
-            calculation.
+        Arguments:
             metainfo_to_keep: A list of metainfo names. This list is used to
                 optimize the parsing process as optimally only the information
                 relevant to these metainfos will be parsed.
             backend: An object to which the parser will give all the parsed data.
                 The backend will then determine where and when to output that data.
         """
-        self.debug = debug
+        try:
             logger.setLevel(log_level)
+        except Exception:
+            # might fail on custom loggers
+            pass
+
         self.store = store
+        self.debug = debug
         self.initialize(metainfo_to_keep, backend, default_units, metainfo_units)
 
+    def setup_logger(self, new_logger):
+        global logger
+        logger = new_logger
+
     def initialize(self, metainfo_to_keep, backend, default_units, metainfo_units):
         """Initialize the parser with the given environment.
         """