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diff -ur Python-2.7.1.orig//Lib/xml/__init__.py Python-2.7.1/Lib/xml/__init__.py
--- Python-2.7.1.orig//Lib/xml/__init__.py 2009-10-09 11:11:36.000000000 +0800
+++ Python-2.7.1/Lib/xml/__init__.py 2011-11-14 23:36:08.006937770 +0800
@@ -22,20 +22,22 @@
_MINIMUM_XMLPLUS_VERSION = (0, 8, 4)
-try:
+def use_pyxml():
import _xmlplus
-except ImportError:
- pass
-else:
- try:
- v = _xmlplus.version_info
- except AttributeError:
- # _xmlplus is too old; ignore it
- pass
- else:
- if v >= _MINIMUM_XMLPLUS_VERSION:
- import sys
- _xmlplus.__path__.extend(__path__)
- sys.modules[__name__] = _xmlplus
- else:
- del v
+ v = _xmlplus.version_info
+ if v >= _MINIMUM_XMLPLUS_VERSION:
+ import sys
+ _xmlplus.__path__.extend(__path__)
+ sys.modules[__name__] = _xmlplus
+ cleared_modules = []
+ redefined_modules = []
+ for module in sys.modules:
+ if module.startswith("xml.") and not module.startswith(("xml.marshal", "xml.schema", "xml.utils", "xml.xpath", "xml.xslt")):
+ cleared_modules.append(module)
+ if module.startswith(("xml.__init__", "xml.dom", "xml.parsers", "xml.sax")) and sys.modules[module] is not None:
+ redefined_modules.append(module)
+ for module in cleared_modules:
+ del sys.modules[module]
+ for module in sorted(redefined_modules):
+ __import__(module)
+ raise ImportError("PyXML too old: %s" % ".".join(str(x) for x in v))
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