Question

pypy

has many built-in function use python implementation.example:link

but,i can't find model 'sys' implementation.

how can i get it.

import sys
print help(sys)
Was it helpful?

Solution

The sys module is implemented in C: http://svn.python.org/view/python/trunk/Python/sysmodule.c?view=markup

There is no Python source for it, because it's entirely operating system interfaces that cannot be implemented in pure Python.

OTHER TIPS

Abstraction can only be taken so far, Python strives to be a system/platform independent language and the sys module being what it is has to be platform specific and cannot be implemented in pure python.

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