[Checkins] SVN: zc.buildout/trunk/src/zc/buildout/testing.py Added flush/fsync to the write method to try to avoid

[Jim Fulton]

Log message for revision 72465:
  Added flush/fsync to the write method to try to avoid
  spurious test failures.  I'm not sure this is really necessary.
  

Changed:
  U   zc.buildout/trunk/src/zc/buildout/testing.py

-=-
Modified: zc.buildout/trunk/src/zc/buildout/testing.py
===================================================================
--- zc.buildout/trunk/src/zc/buildout/testing.py	2007-02-08 17:30:19 UTC (rev 72464)
+++ zc.buildout/trunk/src/zc/buildout/testing.py	2007-02-08 17:30:21 UTC (rev 72465)
@@ -26,6 +26,8 @@
 import zc.buildout.buildout
 import zc.buildout.easy_install
 
+fsync = getattr(os, 'fsync', lambda fileno: None)
+
 setuptools_location = pkg_resources.working_set.find(
     pkg_resources.Requirement.parse('setuptools')).location
 
@@ -57,7 +59,12 @@
     shutil.rmtree(os.path.join(*path))
 
 def write(dir, *args):
-    open(os.path.join(dir, *(args[:-1])), 'w').write(args[-1])
+    path = os.path.join(dir, *(args[:-1]))
+    f = open(path, 'w')
+    f.write(args[-1])
+    f.flush()
+    fsync(f.fileno())
+    f.close()
 
 def system(command, input=''):
     i, o = os.popen4(command)