Aport action is checking before launch if already aport is running

pype/plugins/launcher/actions/Aport.py

@@ -1,7 +1,5 @@
 import os
-import sys
-from avalon import io
-from pprint import pprint
+import psutil
 import acre
 
 from avalon import api, lib
@@ -25,6 +23,16 @@ class Aport(api.Action):
             return True
         return False
 
+    def is_running(self, filename):
+        procs = [p for p in psutil.process_iter() if (
+            'python.exe' in p.name() and
+            filename in p.cmdline()
+        )]
+
+        if len(procs) > 0:
+            return True
+        return False
+
     def process(self, session, **kwargs):
         """Implement the behavior for when the action is triggered
 
@@ -35,10 +43,17 @@ class Aport(api.Action):
             Popen instance of newly spawned process
 
         """
+        av_core_path = os.environ.get('AVALON_CORE', None)
+        path_items = [
+            av_core_path, 'setup', 'aport', 'pythonpath', 'init.py'
+        ]
+        aport_path = os.path.sep.join(path_items)
+        if self.is_running(aport_path):
+            log.info("Aport server is already running")
+            return
 
         with pype.modified_environ(**session):
             # Get executable by name
-            print(self.name)
             app = lib.get_application(self.name)
             executable = lib.which(app["executable"])