feat: better logging (#124)

* fix logging module name (use utils.py)
* slightly better initialization function

Author: jsstevenson

python/hooks/post_gen_project.py

@@ -20,5 +20,5 @@
     Path("src/{{ cookiecutter.project_slug }}/models.py").unlink()
 
 if (not {{ cookiecutter.add_fastapi }}) and (not {{ cookiecutter.add_cli }}):
-    Path("./src/{{ cookiecutter.project_slug }}/logging.py").unlink()
+    Path("./src/{{ cookiecutter.project_slug }}/utils.py").unlink()
     Path("src/{{ cookiecutter.project_slug }}/config.py").unlink()

python/{{cookiecutter.project_slug}}/src/{{cookiecutter.project_slug}}/logging.py

@@ -0,0 +1,22 @@
+"""Configure useful utilities."""
+
+import logging
+from logging.handlers import RotatingFileHandler
+
+
+def initialize_logs(log_level: int = logging.INFO) -> None:
+    """Configure logging.
+
+    :param log_level: app log level to set
+    """
+    root = logging.getLogger()
+    if root.handlers:
+        return
+
+    root.setLevel(log_level)
+    formatter = logging.Formatter(
+        "[%(asctime)s] - %(name)s - %(levelname)s : %(message)s"
+    )
+    fh = RotatingFileHandler(f"{__package__}.log", maxBytes=5_000_000, backupCount=3)
+    fh.setFormatter(formatter)
+    root.addHandler(fh)