shell bypass 403
# -*- coding: utf-8 -*-
"""
clint.pipes
~~~~~~~~~~~
This module contains the helper functions for dealing with unix pipes.
"""
from __future__ import absolute_import
from __future__ import with_statement
import sys
__all__ = ('piped_in', )
def piped_in():
"""Returns piped input via stdin, else None."""
with sys.stdin as stdin:
# TTY is only way to detect if stdin contains data
if not stdin.isatty():
return stdin.read()
else:
return None