From: Moshe Zadka <moshez@math.huji.ac.il>
Date: Sat, 31 Mar 2001 13:46:34 +0000 (+0000)
Subject: - #130306 - statcache.py - full of thread problems.
X-Git-Tag: v2.0.1c1~30
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=98cf19babe16df35c4a88603b0fc012b720e909e;p=thirdparty%2FPython%2Fcpython.git

- #130306 - statcache.py - full of thread problems.

- Made statcache.forget_dir more portable
---

diff --git a/Lib/statcache.py b/Lib/statcache.py
index b5147c233dc5..7eb87b96a969 100644
--- a/Lib/statcache.py
+++ b/Lib/statcache.py
@@ -14,22 +14,24 @@ cache = {}
 
 def stat(path):
 	"""Stat a file, possibly out of the cache."""
-	if cache.has_key(path):
-		return cache[path]
+	ret = cache.get(path, None)
+	if ret is not None:
+		return ret
 	cache[path] = ret = os.stat(path)
 	return ret
 
 
 def reset():
 	"""Reset the cache completely."""
-	global cache
-	cache = {}
+	cache.clear()
 
 
 def forget(path):
 	"""Remove a given item from the cache, if it exists."""
-	if cache.has_key(path):
+	try:
 		del cache[path]
+	except KeyError:
+		pass
 
 
 def forget_prefix(prefix):
@@ -37,25 +39,18 @@ def forget_prefix(prefix):
 	n = len(prefix)
 	for path in cache.keys():
 		if path[:n] == prefix:
-			del cache[path]
+			forget(path)
 
 
 def forget_dir(prefix):
 	"""Forget about a directory and all entries in it, but not about
 	entries in subdirectories."""
-	if prefix[-1:] == '/' and prefix <> '/':
-		prefix = prefix[:-1]
+	import os.path
+	prefix = os.path.dirname(os.path.join(prefix, "xxx"))
 	forget(prefix)
-	if prefix[-1:] <> '/':
-		prefix = prefix + '/'
-	n = len(prefix)
 	for path in cache.keys():
-		if path[:n] == prefix:
-			rest = path[n:]
-			if rest[-1:] == '/': rest = rest[:-1]
-			if '/' not in rest:
-				del cache[path]
-
+	if path.startswith(prefix) and os.path.dirname(path) == prefix:
+		forget(path)
 
 def forget_except_prefix(prefix):
 	"""Remove all pathnames except with a given prefix.
@@ -63,7 +58,7 @@ def forget_except_prefix(prefix):
 	n = len(prefix)
 	for path in cache.keys():
 		if path[:n] <> prefix:
-			del cache[path]
+			forget(path)
 
 
 def isdir(path):
diff --git a/Misc/NEWS b/Misc/NEWS
index 45b34a52a292..7690d343c742 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -117,6 +117,10 @@ http://sourceforge.net/tracker/index.php?func=detail&aid=<id>&group_id=5470&atid
 
 - #117745 - UserString.py - Fix two typos in __imul__.
 
+- #130306 - statcache.py - full of thread problems.
+
+- Made statcache.forget_dir more portable
+
 What's New in Python 2.0?
 =========================