refactor BlobFile.close to be non async

lbrynet/blob/blob_file.py

@@ -132,16 +132,18 @@ class BlobFile:
         with open(self.file_path, 'rb') as handle:
             return await self.loop.sendfile(writer.transport, handle, count=self.get_length())
 
-    async def close(self):
+    def close(self):
         while self.writers:
             self.writers.pop().finished.cancel()
 
     async def delete(self):
-        await self.close()
+        self.close()
         async with self.blob_write_lock:
             self.saved_verified_blob = False
             if os.path.isfile(self.file_path):
                 os.remove(self.file_path)
+            self.verified.clear()
+            self.finished_writing.clear()
 
     def decrypt(self, key: bytes, iv: bytes) -> bytes:
         """

lbrynet/blob_exchange/downloader.py

@@ -86,7 +86,7 @@ class BlobDownloader:
                 peer, task = self.active_connections.popitem()
                 if task and not task.done():
                     task.cancel()
-            await blob.close()
+            blob.close()
             log.debug("downloaded %s", blob_hash[:8])
             return blob
         except asyncio.CancelledError:

lbrynet/extras/daemon/Components.py

@@ -323,7 +323,7 @@ class BlobComponent(Component):
     async def stop(self):
         while self.blob_manager and self.blob_manager.blobs:
             _, blob = self.blob_manager.blobs.popitem()
-            await blob.close()
+            blob.close()
 
     async def get_status(self):
         count = 0

lbrynet/stream/descriptor.py

@@ -86,7 +86,7 @@ class StreamDescriptor:
             writer = sd_blob.open_for_writing()
             writer.write(sd_data)
         await sd_blob.verified.wait()
-        await sd_blob.close()
+        sd_blob.close()
         return sd_blob
 
     @classmethod