[Python-Dev] typo in 8.1.3.1. Format Specification Mini-Language?
"format_spec ::= [[fill]align][sign][#][0][width][.precision][type]" "The precision is ignored for integer values." In [36]: '%3x' % 10 Out[36]: ' a' In [37]: '%.3x' % 10 Out[37]: '00a' Apparently, precision is _not_ ignored? ___ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
Re: [Python-Dev] typo in 8.1.3.1. Format Specification Mini-Language?
Neal Becker wrote: "format_spec ::= [[fill]align][sign][#][0][width][.precision][type]" "The precision is ignored for integer values." In [36]: '%3x' % 10 Out[36]: ' a' In [37]: '%.3x' % 10 Out[37]: '00a' Apparently, precision is _not_ ignored? That section is talking about this: >>> format(10, '.3x') Traceback (most recent call last): File "", line 1, in ValueError: Precision not allowed in integer format specifier ___ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
Re: [Python-Dev] typo in 8.1.3.1. Format Specification Mini-Language?
Eric Smith wrote: Neal Becker wrote: "format_spec ::= [[fill]align][sign][#][0][width][.precision][type]" "The precision is ignored for integer values." In [36]: '%3x' % 10 Out[36]: ' a' In [37]: '%.3x' % 10 Out[37]: '00a' Apparently, precision is _not_ ignored? That section is talking about this: >>> format(10, '.3x') Traceback (most recent call last): File "", line 1, in ValueError: Precision not allowed in integer format specifier So I guess it shouldn't say "is ignored", it should be "is not allowed". ___ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
Re: [Python-Dev] typo in 8.1.3.1. Format Specification Mini-Language?
Neal Becker wrote:
"format_spec ::= [[fill]align][sign][#][0][width][.precision][type]"
"The precision is ignored for integer values."
In [36]: '%3x' % 10
Out[36]: ' a'
In [37]: '%.3x' % 10
Out[37]: '00a'
Apparently, precision is _not_ ignored?
Apparent typo reports should go to the tracker, along with version
information. In this case, the Format Specification Mini-Language is
for the new str.format() and format() facilities, not for % formatting,
which is described in Old String Formatting Operations. Ironically, you
report does point to a doc problem: precision is actually not allowed
for integer types.
3.0.1
>> format(10, '3x')
' a'
>>> format(10, '.3x')
Traceback (most recent call last):
File "", line 1, in
format(10, '.3x')
ValueError: Precision not allowed in integer format specifier
>>> '{0:3x}'.format(10)
' a'
>>> '{0:.3x}'.format(10)
Traceback (most recent call last):
File "", line 1, in
'{0:.3x}'.format(10)
ValueError: Precision not allowed in integer format specifier
http://bugs.python.org/issue5963
Terry Jan Reedy
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Re: [Python-Dev] typo in 8.1.3.1. Format Specification Mini-Language?
Eric Smith wrote: Eric Smith wrote: Neal Becker wrote: "format_spec ::= [[fill]align][sign][#][0][width][.precision][type]" "The precision is ignored for integer values." In [36]: '%3x' % 10 Out[36]: ' a' In [37]: '%.3x' % 10 Out[37]: '00a' Apparently, precision is _not_ ignored? That section is talking about this: >>> format(10, '.3x') Traceback (most recent call last): File "", line 1, in ValueError: Precision not allowed in integer format specifier So I guess it shouldn't say "is ignored", it should be "is not allowed". My exact suggestion in http://bugs.python.org/issue5963 ___ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
