feat: add option to log output into file

enex2notion/cli.py

@@ -2,6 +2,7 @@
 import logging
 import sys
 from pathlib import Path
+from typing import Optional
 
 from notion.client import NotionClient
 
@@ -90,7 +91,7 @@ def _get_notebook_root(self, notebook_title):
 def cli(argv):
     args = parse_args(argv)
 
-    _setup_logging(args.verbose)
+    _setup_logging(args.verbose, args.log)
 
     if args.mode_webclips == "PDF":
         ensure_wkhtmltopdf()
@@ -177,6 +178,11 @@ def parse_args(argv):
             "metavar": "FILE",
             "help": "file for uploaded notes hashes to resume interrupted upload",
         },
+        "--log": {
+            "type": Path,
+            "metavar": "FILE",
+            "help": "file to store program log",
+        },
         "--verbose": {
             "action": "store_true",
             "default": False,
@@ -194,11 +200,18 @@ def parse_args(argv):
     return parser.parse_args(argv)
 
 
-def _setup_logging(is_verbose):
+def _setup_logging(is_verbose: bool, log_file: Optional[Path]):
     logging.basicConfig(format="%(levelname)s: %(message)s")
 
     logging.getLogger("enex2notion").setLevel(
         logging.DEBUG if is_verbose else logging.INFO
     )
 
+    if log_file:
+        file_handler = logging.FileHandler(log_file)
+        file_handler.setFormatter(
+            logging.Formatter("%(asctime)s [%(levelname)-8.8s] %(message)s")
+        )
+        logging.getLogger("enex2notion").addHandler(file_handler)
+
     logging.getLogger("urllib3").setLevel(logging.ERROR)

tests/test_cli.py

@@ -1,3 +1,5 @@
+import logging
+
 import pytest
 
 from enex2notion.cli import cli
@@ -185,5 +187,16 @@ def test_unhandled_exception(mock_api, fake_note_factory, caplog):
     assert "Unhandled exception while parsing note" in caplog.text
 
 
+def test_file_log(mock_api, fake_note_factory, fs):
+    fs.create_file("log.txt")
+
+    cli(["--log", "log.txt", "fake.enex"])
+
+    with open("log.txt") as f:
+        done_result = f.read()
+
+    assert "No token provided, dry run mode." in done_result
+
+
 def test_cli_main_import():
     from enex2notion import __main__