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ElementTree.iterparse not implemented #370
Description
Our project needs ElementTree.iterparse to parse large XML files memory efficiently. Unfortunately it is not implemented in IronPython:
IronPython 2.7.8 (2.7.8.0) on .NET 4.0.30319.42000 (64-bit)
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>>> from xml.etree import ElementTree as ET
>>> from StringIO import StringIO
>>> ET.iterparse(StringIO('<root/>'))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "c:\Program Files\IronPython 2.7\Lib\xml\etree\ElementTree.py", line 1198, in iterparse
NotImplementedError: iterparse is not supported on IronPython. (CP #31923)
>>>We have instructed our users to install ElementTree 1.2.7 preview release from 2007 and it seems to work fine, but having such an extra dependency that cannot even be pip-installed is highly annoying. Incorporating the fixes from the aforementioned ElementTree version into IronPython itself would be great.
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slide commentedon Jun 8, 2018
Do you have a test XML I could use to test a minimal implementation of pyexpat in IronPython?
Fixes IronLanguages#370, fixes IronLanguages#463 (IronLanguages#460)