Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #94939
| References | <mailman.1170.1438580869.3674.python-list@python.org> <55bf6e6f$0$1650$c3e8da3$5496439d@news.astraweb.com> <55BF7457.8030704@gmail.com> |
|---|---|
| Date | 2015-08-03 10:11 -0400 |
| Subject | Re: how to determine for using c extension or not ? |
| From | Joel Goldstick <joel.goldstick@gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.1189.1438611099.3674.python-list@python.org> (permalink) |
On Mon, Aug 3, 2015 at 10:01 AM, umedoblock <umedoblock@gmail.com> wrote: > sorry, Joel, Skip, Steven, and python-list members. > > I think that I don't sent my mail to python-list@python.org or I don't have > correct mail setting. > > so I send many mails. > > sorry... I should wait a day to get answer, sorry. > > > On 2015年08月03日 22:36, Steven D'Aprano wrote: >> >> On Mon, 3 Aug 2015 03:47 pm, umedoblock wrote: >> >>> Hello everyone. >>> >>> I use bisect module. >> >> >> You asked the same question FOUR times. Have patience. Your question goes >> all over the world, people may be asleep, or working, or just not know the >> answer. If you ask a question, and get no answers, you should wait a full >> day before asking again. >> >> >>> bisect module developer give us c extension as _bisect. >>> >>> If Python3.3 use _bisect, _bisect override his functions in bisect.py. >> >> >> So does Python 2.7. >> >> >>> now, I use id() function to determine for using c extension or not. >> >> >> The id() function doesn't tell you where objects come from or what >> language >> they are written in. But they will tell you if two objects are the same >> object. >> >>>>>> import bisect >>>>>> id(bisect.bisect) >>> >>> 139679893708880 >>>>>> >>>>>> import _bisect >>>>>> id(_bisect.bisect) >>> >>> 139679893708880 >>> >>> they return 139679893708880 as id. >>> so i believe that i use c extension. >> >> >> Correct. >> >> Also, you can do this: >> >> >> py> import bisect >> py> bisect.__file__ >> '/usr/local/lib/python2.7/bisect.pyc' >> py> bisect.bisect.__module__ # Where does the bisect file come from? >> '_bisect' >> py> import _bisect >> py> _bisect.__file__ >> '/usr/local/lib/python2.7/lib-dynload/_bisect.so' >> >> So you can see that _bisect is a .so file (on Linux; on Windows it will be >> a .dll file), which means written in C. >> >> > > -- > https://mail.python.org/mailman/listinfo/python-list Welcome to the mailing list, and as I see above, you got a good answer. -- Joel Goldstick http://joelgoldstick.com
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
how to determine for using c extension or not ? umedoblock <umedoblock@gmail.com> - 2015-08-03 14:47 +0900
Re: how to determine for using c extension or not ? Steven D'Aprano <steve@pearwood.info> - 2015-08-03 23:36 +1000
Re: how to determine for using c extension or not ? umedoblock <umedoblock@gmail.com> - 2015-08-03 23:01 +0900
Re: how to determine for using c extension or not ? Joel Goldstick <joel.goldstick@gmail.com> - 2015-08-03 10:11 -0400
Re: how to determine for using c extension or not ? umedoblock <umedoblock@gmail.com> - 2015-08-03 23:57 +0900
Re: how to determine for using c extension or not ? Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2015-08-03 15:05 +0000
Re: how to determine for using c extension or not ? umedoblock <umedoblock@gmail.com> - 2015-08-04 22:59 +0900
csiph-web