[Patches] [ python-Patches-1022173 ] Improve Template error detection and reporting

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Patches item #1022173, was opened at 2004-09-03 20:54
Message generated for change (Comment added) made by bwarsaw
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Category: Library (Lib)
Group: Python 2.4
Status: Open
Resolution: None
Priority: 6
Submitted By: Raymond Hettinger (rhettinger)
Assigned to: Barry A. Warsaw (bwarsaw)
Summary: Improve Template error detection and reporting

Initial Comment:
Report line number and token rather than just character
position.

Detect and report situations where non-ASCII alphabet
characters are used in a placeholder number. 
Currently, this situation results in a silent error for
SafeTemplates and either a KeyError or mis-substitution
for Templates.

Does not change the API or existing tests.


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>Comment By: Barry A. Warsaw (bwarsaw)
Date: 2004-09-04 13:15

Message:
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I wonder about this patch.  PEP 292 clearly says that the
first non-identifier character terminates the placeholder. 
So why would you expect that the eñe would cause an
exception to be raised instead of a valid substitution for $ma?

Will discuss on python-dev, but in any event, if we accept
this patch we would need a unittest update, as well as
documentation and PEP 292 updates.

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