From 3eedefc2843e9c07aaf748b21d97bbc1b2018810 Mon Sep 17 00:00:00 2001
From: DJ2LS <dj2ls@protonmail.com>
Date: Thu, 18 Nov 2021 20:49:32 +0100
Subject: [PATCH] new logging type

---
 tnc/log_handler.py | 63 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 tnc/log_handler.py

diff --git a/tnc/log_handler.py b/tnc/log_handler.py
new file mode 100644
index 00000000..c4d46aee
--- /dev/null
+++ b/tnc/log_handler.py
@@ -0,0 +1,63 @@
+# https://www.structlog.org/en/stable/standard-library.html
+def setup_logging(filename):
+
+    import logging.config
+    import structlog
+
+    timestamper = structlog.processors.TimeStamper(fmt="%Y-%m-%d %H:%M:%S")
+    pre_chain = [
+        # Add the log level and a timestamp to the event_dict if the log entry
+        # is not from structlog.
+        structlog.stdlib.add_log_level,
+        timestamper,
+    ]
+
+    logging.config.dictConfig({
+            "version": 1,
+            "disable_existing_loggers": False,
+            "formatters": {
+                "plain": {
+                    "()": structlog.stdlib.ProcessorFormatter,
+                    "processor": structlog.dev.ConsoleRenderer(colors=False),
+                    "foreign_pre_chain": pre_chain,
+                },
+                "colored": {
+                    "()": structlog.stdlib.ProcessorFormatter,
+                    "processor": structlog.dev.ConsoleRenderer(colors=True),
+                    "foreign_pre_chain": pre_chain,
+                },
+            },
+            "handlers": {
+                "default": {
+                    "level": "DEBUG",
+                    "class": "logging.StreamHandler",
+                    "formatter": "colored",
+                },
+                "file": {
+                    "level": "DEBUG",
+                    "class": "logging.handlers.WatchedFileHandler",
+                    "filename": filename + '.log',
+                    "formatter": "plain",
+                },
+            },
+            "loggers": {
+                "": {
+                    "handlers": ["default", "file"],
+                    "level": "DEBUG",
+                    "propagate": True,
+                },
+            }
+    })
+    structlog.configure(
+        processors=[
+            structlog.stdlib.add_log_level,
+            structlog.stdlib.PositionalArgumentsFormatter(),
+            timestamper,
+            structlog.processors.StackInfoRenderer(),
+            structlog.processors.format_exc_info,
+            structlog.stdlib.ProcessorFormatter.wrap_for_formatter,
+        ],
+        logger_factory=structlog.stdlib.LoggerFactory(),
+        wrapper_class=structlog.stdlib.BoundLogger,
+        cache_logger_on_first_use=True,
+    )