Merge pull request #111 from Azulinho/next_release

FileLock is very slow

app.py

@@ -24,7 +24,7 @@
 import yaml
 from binance.client import Client
 from binance.exceptions import BinanceAPIException
-from filelock import FileLock
+from filelock import SoftFileLock
 from lz4.frame import open as lz4open
 from tenacity import retry, wait_exponential
 
@@ -489,7 +489,7 @@ def __init__(self, conn, config_file, config) -> None:
         self.quit: bool = False
         # define if we want to use MARKET or LIMIT orders
         self.order_type: str = config.get("ORDER_TYPE", "MARKET")
-        self.binance_lock = FileLock("state/binance.lock", timeout=90)
+        self.binance_lock = SoftFileLock("state/binance.lock", timeout=90)
 
     def extract_order_data(self, order_details, coin) -> Dict[str, Any]:
         """calculate average price and volume for a buy order"""

lib/helpers.py

@@ -10,7 +10,7 @@
 import requests
 import udatetime
 from binance.client import Client
-from filelock import FileLock
+from filelock import SoftFileLock
 from tenacity import retry, wait_exponential
 
 
@@ -65,7 +65,7 @@ def requests_with_backoff(query: str):
 def cached_binance_client(access_key: str, secret_key: str) -> Client:
     """retry wrapper for binance client first call"""
 
-    lock = FileLock("state/binance.client.lockfile", timeout=10)
+    lock = SoftFileLock("state/binance.client.lockfile", timeout=10)
     # when running automated-testing with multiple threads, we will hit
     # api requests limits, this happens during the client initialization
     # which mostly issues a ping. To avoid this when running multiple processes