svn+ssh://pythondev@svn.python.org/python/trunk
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r81820 | benjamin.peterson | 2010-06-07 17:23:23 -0500 (Mon, 07 Jun 2010) | 1 line
correctly overflow when indexes are too large
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svn+ssh://pythondev@svn.python.org/python/trunk
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r72159 | georg.brandl | 2009-05-01 10:51:37 +0200 (Fr, 01 Mai 2009) | 2 lines
#5889: remove comma at the end of a list that some C compilers don't like.
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svn+ssh://pythondev@svn.python.org/python/trunk
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r70364 | eric.smith | 2009-03-14 07:57:26 -0400 (Sat, 14 Mar 2009) | 17 lines
Issue 5237, Allow auto-numbered replacement fields in str.format() strings.
For simple uses for str.format(), this makes the typing easier. Hopfully this
will help in the adoption of str.format().
For example:
'The {} is {}'.format('sky', 'blue')
You can mix and matcth auto-numbering and named replacement fields:
'The {} is {color}'.format('sky', color='blue')
But you can't mix and match auto-numbering and specified numbering:
'The {0} is {}'.format('sky', 'blue')
ValueError: cannot switch from manual field specification to automatic field numbering
Will port to 3.1.
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The repr() of a string now contains printable Unicode characters unescaped.
The new ascii() builtin can be used to get a repr() with only ASCII characters in it.
PEP and patch were written by Atsuo Ishimoto.
arguments. This gives about 30% speed improvement for the simplest
(but most common) cases. This patch skips the __format__ dispatch, and
also avoids creating an object to hold the format_spec.
Unfortunately, backporting this to 2.6 is going to be more challenging
due to str/unicode issues with format_spec. I'll work on that next.
Then I'll spend some time profiling and see what that tells me.
formatting.
Includes:
- Modifying tests for basic types to use __format__ methods, instead
of builtin "format".
- Adding PyObject_Format.
- General str/unicode cleanup discovered when backporting to 2.6.
- Removing datetimemodule.c's time_format, since it was identical
to date_format.
The files in Objects/stringlib that implement PEP 3101 (stringdefs.h,
unicodedefs.h, formatter.h, string_format.h) are identical in trunk
and py3k. Any changes from here on should be made to trunk, and
changes will propogate to py3k).
Corrected code for invalid conversion specifier.
Added tests to verify.
Modified string.Formatter to correctly expand format_spec's,
and added a limit to recursion depth. Added _vformat()
method to support both of these.
a tuple (literal, field_name, format_spec, conversion).
literal will always be a string, but might be of zero length.
field_name will be None if there is no markup text
format_spec will be a (possibly zero length) string if
field_name is non-None
conversion will be a one character string, or None
This makes the Formatter class, and especially it's parse()
method, easier to understand.
Suggestion was by Jim Jewett, inspired by the "tail" of an
elementtree node.
Also, fixed a reference leak in fieldnameiter_next.
4 elements. No need for old is_markup element, the same information
is indicated by literal_string being None.
Factored string.Formatter class to make subclasses easier to write.
Known issues:
The string.Formatter class, as discussed in the PEP, is incomplete.
Error handling needs to conform to the PEP.
Need to fix this warning that I introduced in Python/formatter_unicode.c:
Objects/stringlib/unicodedefs.h:26: warning: `STRINGLIB_CMP' defined but not used
Need to make sure sign formatting is correct, more tests needed.
Need to remove '()' sign formatting, left over from an earlier version of the PEP.
Eric V. Smith
Ezio Melotti
Antoine Pitrou
Georg Brandl
Benjamin Peterson
Mark Dickinson
Christian Heimes
Martin v. Löwis
Thomas Heller
Neal Norwitz