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Issue #11811: Factor out detection of IPv6 support on the current host

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and make it available as `test.support.IPV6_ENABLED`.  Patch by
Charles-François Natali.
This commit is contained in:
Antoine Pitrou 2011-04-28 19:18:10 +02:00
parent 70eb79c669
commit 9c39f3c4ec
4 changed files with 28 additions and 23 deletions
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30
Lib/test/support.py
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@ -33,16 +33,15 @@ __all__ = [
"verbose", "use_resources", "max_memuse", "record_original_stdout",
"get_original_stdout", "unload", "unlink", "rmtree", "forget",
"is_resource_enabled", "requires", "find_unused_port", "bind_port",
"is_jython", "TESTFN", "HOST", "SAVEDCWD", "temp_cwd",
"IPV6_ENABLED", "is_jython", "TESTFN", "HOST", "SAVEDCWD", "temp_cwd",
"findfile", "sortdict", "check_syntax_error", "open_urlresource",
"check_warnings", "CleanImport", "EnvironmentVarGuard",
"TransientResource", "captured_output", "captured_stdout",
"time_out", "socket_peer_reset", "ioerror_peer_reset",
"run_with_locale", 'temp_umask', "transient_internet",
"set_memlimit", "bigmemtest", "bigaddrspacetest", "BasicTestRunner",
"run_unittest", "run_doctest", "threading_setup", "threading_cleanup",
"reap_children", "cpython_only", "check_impl_detail", "get_attribute",
"swap_item", "swap_attr", "requires_IEEE_754",
"TransientResource", "captured_output", "captured_stdout", "time_out",
"socket_peer_reset", "ioerror_peer_reset", "run_with_locale", 'temp_umask',
"transient_internet", "set_memlimit", "bigmemtest", "bigaddrspacetest",
"BasicTestRunner", "run_unittest", "run_doctest", "threading_setup",
"threading_cleanup", "reap_children", "cpython_only", "check_impl_detail",
"get_attribute", "swap_item", "swap_attr", "requires_IEEE_754",
"TestHandler", "Matcher", "can_symlink", "skip_unless_symlink"]
@ -381,6 +380,21 @@ def bind_port(sock, host=HOST):
port = sock.getsockname()[1]
return port
def _is_ipv6_enabled():
"""Check whether IPv6 is enabled on this host."""
if socket.has_ipv6:
try:
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
sock.bind(('::1', 0))
except (socket.error, socket.gaierror):
pass
else:
sock.close()
return True
return False
IPV6_ENABLED = _is_ipv6_enabled()
# decorator for skipping tests on non-IEEE 754 platforms
requires_IEEE_754 = unittest.skipUnless(
float.__getformat__("double").startswith("IEEE"),