Better import - added missed file

Fix - changed metaclass of AbstractProvider
Fix - added missed implementation of abstract method

pype/modules/sync_server/providers/abstract_provider.py

@@ -0,0 +1,44 @@
+from abc import ABCMeta, abstractmethod
+
+
+class AbstractProvider(metaclass=ABCMeta):
+
+    @abstractmethod
+    def upload_file(self, source_path, target_path, overwrite=True):
+        """
+            Copy file from 'source_path' to 'target_path' on provider.
+            Use 'overwrite' boolean to rewrite existing file on provider
+        :param source_path: absolute path on local system
+        :param target_path: absolute path on provider (GDrive etc.)
+        :param overwrite: <boolean> True if overwite existing
+        :return: <string> file_id of created file, raises exception
+        """
+        pass
+
+    @abstractmethod
+    def download_file(self, source_path, local_path):
+        """
+            Download file from provider into local system
+        :param source_path: absolute path on provider
+        :param local_path: absolute path on local
+        :return:
+        """
+        pass
+
+    @abstractmethod
+    def delete_file(self, path):
+        """
+            Deletes file from 'path'. Expects path to specific file.
+        :param path: absolute path to particular file
+        :return: None
+        """
+        pass
+
+    @abstractmethod
+    def list_folder(self, folder_path):
+        """
+            List all files and subfolders of particular path non-recursively.
+        :param folder_path: absolut path on provider
+        :return: <list>
+        """
+        pass

pype/modules/sync_server/providers/gdrive.py

@@ -192,6 +192,9 @@ class GDriveHandler(AbstractProvider):
 
         return file["id"]
 
+    def download_file(self, source_path, local_path):
+        pass
+
     def delete_folder(self, path, force=False):
         """
             Deletes folder on GDrive. Checks if folder contains any files or

pype/modules/sync_server/sync_server.py

@@ -214,7 +214,8 @@ class SynchServerThread(threading.Thread):
         while self.is_running:
 
             sync_representations = self.module.get_sync_representations()
-
+            import time
+            start_time = time.time()
             for provider in lib.factory.providers:  # TODO clumsy
                 for sync in sync_representations:
                     files = sync.get("files") or {}
@@ -227,7 +228,8 @@ class SynchServerThread(threading.Thread):
                                 await self.module.upload(file, sync, provider)
                             if status == SyncStatus.DO_DOWNLOAD:
                                 await self.module.download(file, sync, provider)
-
+            duration = time.time() - start_time
+            log.info("One loop took {}".format(duration))
             await asyncio.sleep(60)
 
     def stop(self):