[issue7540] urllib2 request does not update content length after new add_data

[Fred L. Drake, Jr.]

Fred L. Drake, Jr. <fdrake at acm.org> added the comment:

This change breaks existing uses of Python 2.6.4.

The mechanize library frequently re-initializes the data in the request
without re-using the request.  Applications (including tests) that use
mechanize now break with this TypeError.

The proper response to this issue for Python 2.6 is to make no code
changes (though a documentation enhancement may be in order).

This change should be reverted from all branches.

Python 2.6.5 should be blocked until this is done.

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nosy: +fdrake
status: closed -> open

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<http://bugs.python.org/issue7540>
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