add logging configuration

logs/__init__.py

-from .utils import get_logger

logs/apps.py

-from django.apps import AppConfig
-
-
-class LogsConfig(AppConfig):
-    name = 'logs'

logs/utils.py

-"""Logging utilities."""
-import logging
-
-
-def get_logger(name, level=logging.INFO):
-    """Build and return a named logger."""
-    logger = logging.getLogger(name)
-    handler = logging.StreamHandler()
-    formatter = logging.Formatter(
-        '%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
-    handler.setFormatter(formatter)
-    logger.addHandler(handler)
-    logger.setLevel(level)
-    return logger

mails/signals.py

 """Mails app signals."""
 
+import logging
 from django.conf import settings
 from django.dispatch import Signal, receiver
 from python_http_client import HTTPError
 
-from logs import get_logger
 
 delivered = Signal(providing_args=['mail_from', 'subject', 'recipient_list'])
 app_disabled = Signal(providing_args=['subject', 'recipient_list'])
 failed = Signal(providing_args=['exception'])
 notification_sent = Signal(providing_args=['instance', 'result'])
 
-logger = get_logger('notifications')
+logger = logging.getLogger('web.notifications')
 
 
 @receiver(delivered)

oser_backend/settings/common.py

@@ -13,9 +13,6 @@ import pymdownx.emoji
 dn = os.path.dirname
 BASE_DIR = dn(dn(dn(os.path.abspath(__file__))))
 
-# Quick-start development settings - unsuitable for production
-# See https://docs.djangoproject.com/en/1.11/howto/deployment/checklist/
-
 # SECURITY WARNING: keep the secret key used in production secret!
 # One way to do this is to store it in an environment variable on the server
 SECRET_KEY = os.environ.get('SECRET_KEY',
@@ -177,7 +174,6 @@ AUTHENTICATION_BACKENDS = [
 ]
 
 # Password validation
-# https://docs.djangoproject.com/en/1.11/ref/settings/#auth-password-validators
 AUTH_PASSWORD_VALIDATORS = [
     {
         'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
@@ -193,11 +189,43 @@ AUTH_PASSWORD_VALIDATORS = [
     },
 ]
 
+
+# Logging
+
+# NOTE: all loggers within this project should be named 'web.<logger_name>'
+# so that the same configuration is applied to them.
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'formatters': {
+        'verbose': {
+            'format': '{levelname} {asctime} {module} {message}',
+            'style': '{',
+        },
+    },
+    'handlers': {
+        'console': {
+            'level': 'INFO',
+            'class': 'logging.StreamHandler',
+            'formatter': 'verbose',
+        },
+    },
+    'loggers': {
+        'web': {
+            'handlers': ['console'],
+            'level': os.environ.get('DJANGO_LOG_LEVEL', 'INFO'),
+        },
+    },
+}
+
+
 # Email configuration
+
 EMAIL_BACKEND = 'sendgrid_backend.SendgridBackend'
 SENDGRID_API_KEY = os.environ.get('SENDGRID_API_KEY')
 
 # Mails app config
+
 MAILS_ENABLED = True
 MAILS_NOTIFICATIONS_ADDRESS = 'notifications@oser-cs.fr'
 MAILS_RAISE_EXCEPTIONS = True
@@ -207,7 +235,6 @@ VISITS_TEAM_EMAIL = os.environ.get('VISITS_TEAM_EMAIL',
                                    'florimond.manca@gmail.com')
 
 # Internationalization
-# https://docs.djangoproject.com/en/2.0/topics/i18n/
 
 LANGUAGE_CODE = 'fr-fr'
 TIME_ZONE = 'Europe/Paris'