[issue1818] Add named tuple reader to CSV module

Skip Montanaro report at bugs.python.org
Thu Feb 26 20:02:05 CET 2009


Skip Montanaro <skip at pobox.com> added the comment:

Hrm... I replied twice by email.  Only one comment appears to have
survived the long trip.  Here's my second reply:


    Rob> NamedTupleReader and NamedTupleWriter should be inverses.  This
    Rob> means that NamedTupleWriter needs to write headers.  This should
    Rob> produce identical output as the dict writer example, but it's much
    Rob> cleaner.

You're assuming that one instance of these classes will read or write an
entire file.  What if you want to append lines to an existing CSV file or
pick up reading a file with a new reader which has already be partially
processed?

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<http://bugs.python.org/issue1818>
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