Cache boto3 clients + remove duplicated code (#25)

Author: jbylund

locking/config.py

@@ -1,14 +1,18 @@
 from getpass import getuser
-from os import environ
+from os import environ, getpid
+import functools
 
 import boto3
 
 
 def get_on_ci():
     return "semaphore" == getuser()
 
-
 def get_boto3_client(service):
+    return _get_boto3_client(getpid(), service)
+
+@functools.lru_cache()
+def _get_boto3_client(pid, service):
     env_var_name = f"{service.upper()}_PORT"
     env_port = environ.get(env_var_name)
     if env_port:

locking/filelock/filelock.py

@@ -56,8 +56,3 @@ def release(self):
         fcntl.flock(fd, fcntl.LOCK_UN)
         self._locked = False
         os.close(fd)
-
-    if True:
-
-        def __del__(self):
-            self.release()