René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"dockerflow.logging.JsonLogFormatter is weird about %s style logging","articleBody":"I have this config:\r\n\r\n\r\n```python\r\n    # Logging\r\n    LOGGING_USE_JSON = values.BooleanValue(True)\r\n    LOGGING_DEFAULT_LEVEL = values.Value(\"INFO\")\r\n\r\n    @property\r\n    def LOGGING(self):\r\n        return {\r\n            \"version\": 1,\r\n            \"disable_existing_loggers\": False,\r\n            \"formatters\": {\r\n                \"json\": {\r\n                    \"()\": \"dockerflow.logging.JsonLogFormatter\",\r\n                    \"logger_name\": \"buildhub\",\r\n                },\r\n                \"verbose\": {\"format\": \"%(levelname)s %(asctime)s %(name)s %(message)s\"},\r\n            },\r\n            \"handlers\": {\r\n                \"console\": {\r\n                    \"level\": self.LOGGING_DEFAULT_LEVEL,\r\n                    \"class\": \"logging.StreamHandler\",\r\n                    \"formatter\": (\"json\" if self.LOGGING_USE_JSON else \"verbose\"),\r\n                },\r\n                \"sentry\": {\r\n                    \"level\": \"ERROR\",\r\n                    \"class\": (\r\n                        \"raven.contrib.django.raven_compat.handlers\" \".SentryHandler\"\r\n                    ),\r\n                },\r\n                \"null\": {\"class\": \"logging.NullHandler\"},\r\n            },\r\n            \"root\": {\"level\": \"INFO\", \"handlers\": [\"sentry\", \"console\"]},\r\n\r\n...\r\n\r\n```\r\n\r\nWhen I do:\r\n\r\n```python\r\nIn [1]: import logging\r\n\r\nIn [2]: logger = logging.getLogger(\"myproject\")\r\n\r\nIn [3]: logger.info(\"Hi!\")\r\n{\"Timestamp\": 1541787363833421056, \"Type\": \"myproject\", \"Logger\": \"buildhub\", \"Hostname\": \"MacBook-Pro-131.local\", \"EnvVersion\": \"2.0\", \"Severity\": 6, \"Pid\": 68488, \"Fields\": {\"msg\": \"Hi!\"}}\r\n\r\nIn [4]: logger.info(\"Hi %s\", \"peter\")\r\n{\"Timestamp\": 1541787379742094080, \"Type\": \"myproject\", \"Logger\": \"buildhub\", \"Hostname\": \"MacBook-Pro-131.local\", \"EnvVersion\": \"2.0\", \"Severity\": 6, \"Pid\": 68488, \"Fields\": {\"msg\": \"Hi peter\"}}\r\n\r\nIn [5]: logger.info(\"Hi %s\", {'name': 'Peter'})\r\n{\"Timestamp\": 1541787416647823104, \"Type\": \"myproject\", \"Logger\": \"buildhub\", \"Hostname\": \"MacBook-Pro-131.local\", \"EnvVersion\": \"2.0\", \"Severity\": 6, \"Pid\": 68488, \"Fields\": {}}\r\n\r\n```\r\n\r\nNotice that when the param to `logger.debug(template, THIS)` isn't a string the final \"msg\" becomes empty (`\"Fields\": {}`). ","author":{"url":"https://github.com/peterbe","@type":"Person","name":"peterbe"},"datePublished":"2018-11-09T18:15:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/29/python-dockerflow/issues/29"}