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Commit223e501

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tiranmiss-islington
authored andcommitted
bpo-34791: xml package obeys ignore env flags (GH-9544)
The xml.sax and xml.dom.domreg modules now obeysys.flags.ignore_environment.Signed-off-by: Christian Heimes <christian@python.org>https://bugs.python.org/issue34791
1 parenta46467f commit223e501

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3 files changed

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‎Lib/xml/dom/domreg.py‎

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@@ -6,6 +6,8 @@
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# should be published by posting to xml-sig@python.org, and are
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# subsequently recorded in this file.
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importsys
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well_known_implementations= {
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'minidom':'xml.dom.minidom',
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'4DOM':'xml.dom.DOMImplementation',
@@ -55,7 +57,7 @@ def getDOMImplementation(name=None, features=()):
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returnmod.getDOMImplementation()
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elifname:
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returnregistered[name]()
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elif"PYTHON_DOM"inos.environ:
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elifnotsys.flags.ignore_environmentand"PYTHON_DOM"inos.environ:
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returngetDOMImplementation(name=os.environ["PYTHON_DOM"])
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# User did not specify a name, try implementations in arbitrary

‎Lib/xml/sax/__init__.py‎

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@@ -58,7 +58,7 @@ def parseString(string, handler, errorHandler=ErrorHandler()):
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importxml.sax.expatreader
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importos,sys
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if"PY_SAX_PARSER"inos.environ:
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ifnotsys.flags.ignore_environmentand"PY_SAX_PARSER"inos.environ:
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default_parser_list=os.environ["PY_SAX_PARSER"].split(",")
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delos
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The xml.sax and xml.dom.domreg no longer use environment variables to
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override parser implementations when sys.flags.ignore_environment is set by
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-E or -I arguments.

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