feat(logging): add logging setup

.vscode/launch.json

@@ -14,7 +14,8 @@
             "request": "launch",
             "cwd": "${workspaceFolder}",
             "console": "integratedTerminal",
-            "program": "${workspaceFolder}\\.venv\\Scripts\\logwatcher.exe"
+            "module": "logwatcher.app",
+            //"program": "${workspaceFolder}\\.venv\\Scripts\\logwatcher.exe"
         }
     ]
 }

pyproject.toml

@@ -9,7 +9,7 @@ dependencies = [
 ]
 
 [project.scripts]
-logwatcher = "logwatcher.main:main"
+logwatcher = "logwatcher.app:app"
 
 [project.optional-dependencies]
 dev = [

src/logwatcher/__init__.py

@@ -1,2 +1,3 @@
-def main() -> None:
-    print("Hello from logwatcher!")
+from logwatcher.logging import setup_logging
+
+logger = setup_logging() 

src/logwatcher/__main__.py

@@ -0,0 +1,5 @@
+from logwatcher.app import app
+
+
+def main():
+    app()

src/logwatcher/app.py

@@ -0,0 +1,11 @@
+from logwatcher import logger
+from logwatcher.parser import parser
+
+
+def app():
+    logger.info("logwatcher starts its work.")
+    parser()
+    logger.info('logwatcher has finished its task.')
+
+if __name__ == "__main__":
+    app()

src/logwatcher/config.py

@@ -0,0 +1,9 @@
+from pathlib import Path
+
+# output path
+OUTPUT_PATH = Path("output")
+RESULT_PATH = OUTPUT_PATH / "results"
+LOGGING_PATH = OUTPUT_PATH / "logs"
+
+# fixture path
+FIXTURE_PATH = Path.cwd() / "fixtures"

src/logwatcher/logging.py

@@ -0,0 +1,42 @@
+import logging
+from pathlib import Path
+
+
+def setup_formatter(
+    format: str = '[%(asctime)s] - %(levelname)s: %(message)s',
+     datefmt: str = '%d/%m/%Y %H:%M:%S'
+     ) -> logging.Formatter:
+    return logging.Formatter(fmt=format, datefmt=datefmt)
+
+
+def setup_file_handler(formatter: logging.Formatter, level: int , filename: Path | None = None) -> logging.Handler:
+    handler: logging.Handler
+    if filename:
+        handler = logging.FileHandler(filename=filename, encoding='utf-8')
+    else:
+        handler = logging.StreamHandler()
+    handler.setLevel(level)
+    handler.setFormatter(formatter)
+    return handler
+
+
+def setup_logging() -> logging.Logger:
+    """
+        Create a new instance of Logger named 'logger' customized for the logwatcher package.
+        The format display in order the time, the level of log and the log message
+        The logs are only redirect in the standard output.
+    """
+    logger = logging.getLogger("logwatcher_log")
+
+    formatter = setup_formatter()
+
+    standard_output = setup_file_handler(formatter, logging.ERROR)
+
+    file_path = Path('output/logs/logwatcher.log')
+    file_output = setup_file_handler(formatter, logging.DEBUG, file_path)
+
+
+    logger.addHandler(standard_output)
+    logger.addHandler(file_output)
+
+    return logger

src/logwatcher/main.py

@@ -1,5 +0,0 @@
-from logwatcher.parser import parser
-
-
-def main():
-    parser()