added --verbose option

this one increases the loglevel to 'debug'

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## [unreleased] - XXXX-XX-XX
 
 * Added --version option
+* added --verbose option, that increases the loglevel to 'debug'
 * Improved quickstart:
   * respective default answers will be written to config if user provided no
     answer

blag/blag.py

@@ -39,6 +39,10 @@ def main(args=None):
 
     """
     args = parse_args(args)
+    # set loglevel
+    if args.verbose:
+        logger.setLevel(logging.DEBUG)
+    logger.debug(f"This is blag {__VERSION__}.")
     args.func(args)
 
 
@@ -61,6 +65,11 @@ def parse_args(args=None):
         action='version',
         version='%(prog)s '+__VERSION__,
     )
+    parser.add_argument(
+        '-v', '--verbose',
+        action='store_true',
+        help='Verbose output.',
+    )
 
     commands = parser.add_subparsers(dest='command')
     commands.required = True
@@ -219,6 +228,7 @@ def build(args):
             os.makedirs(f'{args.output_dir}/{path}', exist_ok=True)
 
     # copy static files over
+    logger.info('Copying static files.')
     if os.path.exists(args.static_dir):
         shutil.copytree(args.static_dir, args.output_dir, dirs_exist_ok=True)
 
@@ -281,7 +291,8 @@ def process_markdown(convertibles, input_dir, output_dir,
     articles = []
     pages = []
     for src, dst in convertibles:
-        logger.info(f'Processing {src}')
+        logger.debug(f'Processing {src}')
+
         with open(f'{input_dir}/{src}', 'r') as fh:
             body = fh.read()
 

tests/test_blag.py

@@ -287,3 +287,11 @@ def test_cli_version(capsys):
     # proper version reported
     out, _ = capsys.readouterr()
     assert blag.__VERSION__ in out
+
+
+def test_cli_verbose(cleandir, caplog):
+    blag.main(['build'])
+    assert 'DEBUG' not in caplog.text
+
+    blag.main(['--verbose', 'build'])
+    assert 'DEBUG' in caplog.text