test: Atomically update file data source file

.github/workflows/ci.yml

@@ -17,7 +17,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        # python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8"]
 
     services:
       redis:
@@ -49,6 +50,28 @@ jobs:
       - name: Run tests
         run: make test
 
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+      - run: make test
+
       - name: Verify typehints
         run: make lint
 

ldclient/impl/integrations/files/file_data_source.py

@@ -112,6 +112,7 @@ def _load_file(self, path, all_data):
         with open(path, 'r') as f:
             content = f.read()
         parsed = self._parse_content(content)
+
         for key, flag in parsed.get('flags', {}).items():
             _sanitize_json_item(flag)
             self._add_item(all_data, FEATURES, flag)
@@ -165,6 +166,13 @@ def __init__(self, resolved_paths, reloader):
 
             class LDWatchdogHandler(watchdog.events.FileSystemEventHandler):
                 def on_any_event(self, event):
+                    if isinstance(event, watchdog.events.FileDeletedEvent):
+                        return
+
+                    if isinstance(event, watchdog.events.FileMovedEvent) and event.dest_path in watched_files:
+                        reloader()
+                        return
+
                     if event.src_path in watched_files:
                         reloader()
 
@@ -213,4 +221,5 @@ def _check_file_times(self):
                     ret[path] = os.path.getmtime(path)
                 except:
                     ret[path] = None
+
             return ret

ldclient/testing/test_file_data_source.py

@@ -2,6 +2,8 @@
 import os
 from typing import List
 
+from ldclient.impl.util import log
+
 import pytest
 import tempfile
 import threading
@@ -236,6 +238,7 @@ def test_does_not_reload_modified_file_if_auto_update_is_off():
 
 def do_auto_update_test(options):
     path = make_temp_file(flag_only_json)
+
     options['paths'] = path
     try:
         source = make_data_source(Config("SDK_KEY"), **options)