centralize logging initialization

so it can be shared across modules

tljh/log.py

@@ -0,0 +1,19 @@
+"""Setup tljh logging"""
+import os
+import logging
+
+from .config import INSTALL_PREFIX
+
+
+def init_logging():
+    """Setup default tljh logger"""
+    logger = logging.getLogger("tljh")
+    os.makedirs(INSTALL_PREFIX, exist_ok=True)
+    file_logger = logging.FileHandler(os.path.join(INSTALL_PREFIX, "installer.log"))
+    file_logger.setFormatter(logging.Formatter("%(asctime)s %(message)s"))
+    logger.addHandler(file_logger)
+
+    stderr_logger = logging.StreamHandler()
+    stderr_logger.setFormatter(logging.Formatter("%(message)s"))
+    logger.addHandler(stderr_logger)
+    logger.setLevel(logging.INFO)