Merged revisions 80784 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r80784 | ronald.oussoren | 2010-05-05 16:48:37 +0200 (Wed, 05 May 2010) | 9 lines
The C function used by uuid.uuid4 is broken on
OSX 10.6 in that after os.fork() the parent and
child generate the same sequence of UUIDs.
This patch falls back to the the Python implementation
on OSX 10.6 or later.
Fixes issue #8621.
........
diff --git a/Lib/test/test_uuid.py b/Lib/test/test_uuid.py
index c22b6af..43fa656 100644
--- a/Lib/test/test_uuid.py
+++ b/Lib/test/test_uuid.py
@@ -457,6 +457,34 @@
equal(u, uuid.UUID(v))
equal(str(u), v)
+ def testIssue8621(self):
+ import os
+ import sys
+ if os.name != 'posix':
+ return
+
+ # On at least some versions of OSX uuid.uuid4 generates
+ # the same sequence of UUIDs in the parent and any
+ # children started using fork.
+ fds = os.pipe()
+ pid = os.fork()
+ if pid == 0:
+ os.close(fds[0])
+ value = uuid.uuid4()
+ os.write(fds[1], value.hex.encode('latin1'))
+ os._exit(0)
+
+ else:
+ os.close(fds[1])
+ parent_value = uuid.uuid4().hex
+ os.waitpid(pid, 0)
+ child_value = os.read(fds[0], 100).decode('latin1')
+
+ self.assertNotEqual(parent_value, child_value)
+
+
+
+
def test_main():
support.run_unittest(TestUUID)