Carlos Nepomuceno於 2013年5月22日星期三UTC+8上午2時49分28秒寫道: > ________________________________ > > From: alyssonbr...@gmail.com > > Date: Tue, 21 May 2013 09:03:13 -0300 > > Subject: Re: PEP 378: Format Specifier for Thousands Separator > > To: python-list@python.org > > > > This work in 3.1+: > > > > $ python3 > > Python 3.1.3 (r313:86834, Nov 28 2010, 11:28:10) > > [GCC 4.4.5] on linux2 > > Type "help", "copyright", "credits" or "license" for more information. > > >>> one_number = 1234567 > > >>> print('number={:,}'.format(one_number)) > > number=1,234,567 > > >>> > > > > Thank you, but let me rephrase it. I'm already using str.format() but I'd > like to use '%' (BINARY_MODULO) operator instead. > > I've looked into the source code of CPython 2.7.5 and I've found no evidence > of the thousands separator been implemented on formatint() in > "Objects/unicodeobject.c". > > I also didn't find the _PyString_FormatLong() used in formatlong(). Where is > _PyString_FormatLong() located? > > So, the question is: Where would I change the CPython 2.7.5 source code to > enable '%' (BINARY_MODULO) to format using the thousands separator like > str.format() does, such as: > > >>>sys.stderr.write('%,d\n' % 1234567) > 1,234,567
Could a separate instance like the I/O device of a subprocess to be easily available in Python? The next question would be whether the flow of several I/O data streams could be easily piped and manipulated in the high level programming designs without consuming too much resources. -- http://mail.python.org/mailman/listinfo/python-list