Merge pull request #30 from sibidass/zonesort

timezone_converter/comparison_view.py

@@ -17,6 +17,7 @@ def __init__(
         timezones: List[str],
         zone: bool,
         hour: Union[int, None],
+        order: bool,
     ) -> None:
         self.zone = zone
         self.hour = hour
@@ -37,6 +38,15 @@ def __init__(
             )
             self.midnights.append(foreign_midnight)
 
+        if order:
+            self._sort_timezone_display()
+
+    def _sort_timezone_display(self) -> None:
+        local_offset = int(self.midnights[0].strftime('%z'))
+        self.midnights.sort(
+            key=lambda zone: abs(local_offset - int(zone.strftime('%z'))),
+        )
+
     def _get_timezone_name(self, timezone: str) -> str:
         timezone_name = self.timezone_translations.get(timezone.lower())
         if timezone_name is None:

timezone_converter/main.py

@@ -80,6 +80,12 @@ def build_parser() -> argparse.ArgumentParser:
         metavar='WORD',
         help='fuzzy search for a timezone',
     )
+    parser.add_argument(
+        '-o',
+        '--order',
+        action='store_true',
+        help='show timezones in order of difference',
+    )
 
     return parser
 
@@ -97,6 +103,7 @@ def main() -> int:
             args.timezone,
             args.zone,
             args.hour,
+            args.order,
         ).print_table()
     else:
         parser.print_help()