euscanwww: add --category to scan_metadata, remove homepage and description

Signed-off-by: Corentin Chary <corentin.chary@gmail.com>

euscanwww/djeuscan/management/commands/scan_metadata.py

@@ -19,6 +19,11 @@ class Command(BaseCommand):
             dest='all',
             default=False,
             help='Scan all packages'),
+        make_option('--category',
+            action='store',
+            dest='category',
+            default=None,
+            help='Scan only this category'),
         )
     args = '<package package ...>'
     help = 'Scans metadata and fills database'
@@ -26,7 +31,7 @@ class Command(BaseCommand):
     def handle(self, *args, **options):
         set_verbosity_level(logger, options.get("verbosity", 1))
 
-        if options['all']:
+        if options['all'] or options['category']:
             packages = None
 
         elif len(args):
@@ -34,4 +39,8 @@ class Command(BaseCommand):
         else:
             packages = [pkg[:-1] for pkg in sys.stdin.readlines()]
 
-        scan_metadata(packages=packages, logger=logger)
+        scan_metadata(
+            packages=packages,
+            category=options['category'],
+            logger=logger
+        )