From: Zooko O'Whielacronx <zooko@zooko.com>
Date: Wed, 18 Apr 2007 03:14:26 +0000 (-0700)
Subject: pyutil: fileutil.open_or_create()
X-Git-Tag: tahoe_v0.1.0-0-UNSTABLE~80
X-Git-Url: https://git.rkrishnan.org/?a=commitdiff_plain;h=723f4078a3b2dc299a5864c7e59a77d428ff6a66;p=tahoe-lafs%2Ftahoe-lafs.git

pyutil: fileutil.open_or_create()
---

diff --git a/src/allmydata/util/fileutil.py b/src/allmydata/util/fileutil.py
index ddb111ea..25ad9761 100644
--- a/src/allmydata/util/fileutil.py
+++ b/src/allmydata/util/fileutil.py
@@ -178,3 +178,9 @@ def remove_if_possible(f):
         remove(f)
     except:
         pass
+
+def open_or_create(fname, binarymode=True):
+    try:
+        return open(fname, binarymode and "r+b" or "r+")
+    except EnvironmentError:
+        return open(fname, binarymode and "w+b" or "w+")