Don't automatically flush memcached tile cache on exit

CHANGELOG.md

@@ -17,6 +17,7 @@
 
 ### Changes
 - Use an enum for priority constants ([#1400](../../pull/1400))
+- Don't automatically flush memcached tile cache on exit ([#1409](../../pull/1409))
 
 ### Bug Fixes
 - Fix an issue emitting geojson annotations ([#1395](../../pull/1395))

large_image/cache_util/__init__.py

@@ -30,7 +30,7 @@
 
 
 @atexit.register
-def cachesClear(*args, **kwargs):
+def cachesClearExceptTile(*args, **kwargs):
     """
     Clear the tilesource caches and the load model cache.  Note that this does
     not clear memcached (which could be done with tileCache._client.flush_all,
@@ -39,15 +39,22 @@ def cachesClear(*args, **kwargs):
     for name in LruCacheMetaclass.namedCaches:
         with LruCacheMetaclass.namedCaches[name][1]:
             LruCacheMetaclass.namedCaches[name][0].clear()
+    for func in _cacheClearFuncs:
+        func()
+
+
+def cachesClear(*args, **kwargs):
+    """
+    Clear the tilesource caches, the load model cache, and the tile cache.
+    """
+    cachesClearExceptTile()
     if isTileCacheSetup():
         tileCache, tileLock = getTileCache()
         try:
             with tileLock:
                 tileCache.clear()
         except Exception:
             pass
-    for func in _cacheClearFuncs:
-        func()
 
 
 def cachesInfo(*args, **kwargs):

large_image/tilesource/base.py

@@ -1583,7 +1583,6 @@ def _outputTileNumpyStyle(self, tile, applyStyle, x, y, z, frame=None):
         :returns: a numpy array and a target PIL image mode.
         """
         tile, mode = _imageToNumpy(tile)
-        # if applyStyle and (getattr(self, 'style', None) or hasattr(self, '_iccprofiles')):
         if (applyStyle and (getattr(self, 'style', None) or hasattr(self, '_iccprofiles')) and
                 (not getattr(self, 'style', None) or len(self.style) != 1 or
                  self.style.get('icc') is not False)):