Merge pull request #5 from chrisburr/less-cs-locking

Add DIRAC_FEWER_CFG_LOCKS environment variable

Author: chrisburr

.github/workflows/ci.yml

@@ -10,10 +10,10 @@ jobs:
       matrix:
         python_version:
           - 2.7.13
-          - 3.5
           - 3.6.8
           - 3.7
           - 3.8
+          - 3.9
     steps:
     - uses: actions/checkout@v2
     - name: Prepare environment

.github/workflows/prepare_environment.sh

@@ -2,7 +2,7 @@
 set -euo pipefail
 
 PYTHON_VERSION=$1
-PYTHON_VERSION=2.7.13
+
 conda create --quiet -c conda-forge -c free -n test-env \
     python="$PYTHON_VERSION" \
     "pytest>=4.6" pylint pytest-cov pycodestyle \

src/diraccfg/cfg.py

@@ -44,13 +44,19 @@ class Synchronizer(object):
   decorator making the call thread-safe"""
 
   def __init__(self, lockName="", recursive=False):
-    self.lockName = lockName
-    if recursive:
-      self.lock = threading.RLock()
-    else:
-      self.lock = threading.Lock()
+    envVar = os.environ.get("DIRAC_FEWER_CFG_LOCKS", "no").lower()
+    self.__locksEnabled = envVar not in ("y", "yes", "t", "true", "on", "1")
+    if self.__locksEnabled:
+      self.lockName = lockName
+      if recursive:
+        self.lock = threading.RLock()
+      else:
+        self.lock = threading.Lock()
 
   def __call__(self, funcToCall):
+    if not self.__locksEnabled:
+      return funcToCall
+
     def lockedFunc(*args, **kwargs):
       try:
         if self.lockName: