[ python-Bugs-1511497 ] xml.sax.expatreader is missing
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Thu Jul 27 06:40:05 CEST 2006
Bugs item #1511497, was opened at 2006-06-23 11:14
Message generated for change (Settings changed) made by nnorwitz
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Category: XML
Group: Python 2.5
Status: Open
Resolution: None
>Priority: 9
Submitted By: Wummel (calvin)
Assigned to: Nobody/Anonymous (nobody)
Summary: xml.sax.expatreader is missing
Initial Comment:
Hi,
when testing the new Python 2.5 subversion tree I
encountered this behaviour:
$ python2.5
Python 2.5b1 (trunk:47065, Jun 22 2006, 20:56:23)
[GCC 4.1.2 20060613 (prerelease) (Debian 4.1.1-5)] on
linux2
Type "help", "copyright", "credits" or "license" for
more information.
>>> import xml.sax.expatreader
>>> print xml.sax.expatreader
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute
'expatreader'
>>>
So the import went ok, but using the attribute gave an
error. This is very strange. Python 2.4 did not have
this behaviour.
----------------------------------------------------------------------
Comment By: iga Seilnacht (zseil)
Date: 2006-07-10 00:38
Message:
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See patch #1519796:
http://python.org/sf/1519796
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Comment By: iga Seilnacht (zseil)
Date: 2006-06-26 15:52
Message:
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I see the same behaviour with the official Python 2.5
beta 1 Windows installer. The interesting thing is that
the expatreader module is present in sys.modules:
Python 2.5b1 (r25b1:47027, Jun 20 2006, 09:31:33)
[MSC v.1310 32 bit (Intel)] on win32
...
>>> import xml.sax.expatreader
>>> xml.sax.expatreader
Traceback (most recent call last):
...
AttributeError: 'module' object has no attribute 'expatreader'
>>> import sys
>>> sys.modules['xml.sax.expatreader']
<module 'xml.sax.expatreader' from
'...\lib\xmlcore\sax\expatreader.pyc'>
All of the other modules in xml package can be imported
without any trouble.
I don't understand what is the real problem here,
but it goes away if you import xmlcore.sax package
before expatreader:
[restart python]
>>> import xmlcore.sax
>>> import xml.sax.expatreader
>>> xml.sax.expatreader
<module 'xml.sax.expatreader' from
'...\lib\xmlcore\sax\expatreader.pyc'>
The simplest fix would be to use at least one absolute
import in ...\lib\xmlcore\sax\__init__.py, for example
you could change line 22:
from xmlreader import InputSource
to:
from xmlcore.sax.xmlreader import InputSource
but that might just hide the real bug.
----------------------------------------------------------------------
Comment By: Wummel (calvin)
Date: 2006-06-26 11:15
Message:
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user_id=9205
I built Python directly from the SVN trunk repository with
$ ./configure && make altinstall
I attached the pyconfig.h that was generated. If you need
more info, feel free to ask.
After building and installing, I started up python2.5 and
executed "import xml.sax.expatreader" and then "print
xml.sax.expatreader", and nothing else.
Another thing I tried is "import from", which works.
But importing xml.sax.expatreader directly, as noted above,
does not work.
Here is the log with the "import from" test:
Python 2.5b1 (trunk:47090, Jun 25 2006, 09:59:02)
[GCC 4.1.2 20060613 (prerelease) (Debian 4.1.1-5)] on linux2
Type "help", "copyright", "credits" or "license" for more
information.
>>> from xml.sax import expatreader
>>> print expatreader
<module 'xml.sax.expatreader' from
'/usr/local/lib/python2.5/xmlcore/sax/expatreader.pyc'>
>>> print xml.sax.expatreader
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'expatreader'
----------------------------------------------------------------------
Comment By: Martin v. Löwis (loewis)
Date: 2006-06-24 03:39
Message:
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How precisely did you test it? What configure options did
you set up, what commands did you provide to build Python?
----------------------------------------------------------------------
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