Add -F / --file

1 files changed, 18 insertions, 7 deletions

diff --git a/pygitchecker.py b/pygitchecker.py
index b9041c1..6af9e0e 100755
--- a/pygitchecker.py
+++ b/pygitchecker.py
@@ -3,6 +3,7 @@
 """Simple, on demand git checker"""
 import argparse
 import errno
+import io
 import json
 import os
 import subprocess
@@ -147,12 +148,19 @@ def main(inargs=None):
         help='Continue with the checks if validation fails')
     parser.add_argument(
         '-c', '--config',
-        metavar='FILE',
+        metavar='<file>',
         type=str,
         default=os.path.expanduser('~/.pygitchecker.json'),
         dest='config_file',
         help='Config file (default: ~/.pygitchecker.json)')
     parser.add_argument(
+        '-F', '--file',
+        metavar='<file>',
+        type=str,
+        default='',
+        dest='python_file',
+        help='Validate a particular .py file')
+    parser.add_argument(
         '-f', '--full',
         action='store_true',
         dest='full_search',
@@ -178,6 +186,15 @@ def main(inargs=None):
         dest='verbose',
         help='Verbosity')
     args = parser.parse_args(inargs)
+    try:
+        with io.open(args.config_file, 'r') as fp:
+            config_dict = json.load(fp)
+    except Exception as e:
+        eprint(f'Unable to parse {args.config_file}: {e}')
+        sys.exit(errno.EIO)
+    if args.python_file:
+        validate_python_file(args.python_file, config_dict.get('tests'), args)
+        sys.exit(0)
     abs_repo_path = os.path.abspath(os.path.expanduser(args.repo_path))
     if args.mod_only:
         if not args.recursive:
@@ -207,12 +224,6 @@ def main(inargs=None):
         print('No files selected')
         sys.exit(0)
     # now run the real tests
-    try:
-        with open(args.config_file, 'r') as fp:
-            config_dict = json.load(fp)
-    except Exception as e:
-        eprint(f'Unable to parse {args.config_file}: {e}')
-        sys.exit(errno.EIO)
     for target_file in selected_files:
         if args.list_only:
             print(target_file)