Fix mac os support. (#9)

Vlc process on mac is uppercase

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "vlcsync"
-version = "0.2.0"
+version = "0.2.1"
 description = "Utility for synchronize multiple instances of VLC. Supports seek, play and pause. "
 authors = ["mrkeuz <[email protected]>"]
 license = "MIT"

vlcsync/cli.py

@@ -11,7 +11,7 @@
 from vlcsync.vlc_finder import print_exc
 from vlcsync.vlc_state import VlcId
 
-__version__ = "0.2.0"
+__version__ = "0.2.1"
 
 
 @click.command

vlcsync/vlc_finder.py

@@ -75,15 +75,15 @@ def _has_listen_port(proc: Process, iface_ip) -> int | None:
     @functools.lru_cache(maxsize=1024)
     def is_vlc(self, proc: Process):
         with skip_on_error():
-            return proc.name() == 'vlc' or self.vlc_cmdline(proc)
+            return proc.name() is not None and proc.name().lower() == 'vlc' or self.vlc_cmdline(proc)
 
         # noinspection PyUnreachableCode
         return False
 
     @staticmethod
     def vlc_cmdline(proc) -> bool:
         for part in proc.cmdline():
-            if 'vlc' in part:
+            if part is not None and 'vlc' in part.lower():
                 return True
         return False