在 2012年12月19日星期三UTC+8上午4时57分37秒，ru... at yahoo.com写道： > On Monday, December 17, 2012 10:35:58 PM UTC-7, Roy Smith wrote: >> > iMath <redstone-cold at 163.com> wrote: >> > > where to view open() function's C implementation source code ？ >> > http://www.python.org/download/releases/ >> > Download the source for the version you're interested in. >>>> iMath: >>>> There is no need to download the source. You can browse the >> source code online. For the v3.0.0 version of open(): >> hg.python.org/cpython/file/bd8afb90ebf2/Modules/_io/_iomodule.c >>>> For 2.7.3 I think what you want is the builtin_open() function in >> http://hg.python.org/cpython/file/70274d53c1dd/Python/bltinmodule.c >> and the file object and open_the_file() function in >> http://hg.python.org/cpython/file/70274d53c1dd/Objects/fileobject.c >>>> Hope this helps. thanks very much !