adding GCToggler/gcutils

boltons/gcutils.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+import gc
+
+
+class GCToggler(object):
+    def __init__(self, postcollect=False):
+        self.postcollect = postcollect
+
+    def __enter__(self):
+        gc.disable()
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        gc.enable()
+        if self.postcollect:
+            gc.collect()
+
+
+toggle_gc = GCToggler()
+toggle_gc_postcollect = GCToggler(postcollect=True)