New submission from Christian Heimes:
I suggest that posixpath.c:_fd_converter() should PyObject_AsFileDescriptor()
to convert a Python object to a fd integer. With PyObject_AsFileDescriptor()
functions such as os.chmod() can be called with an opened file as first
argument:
Now:
with open("somefile") as f:
os.chmod(f.fileno(), 0o644)
With PyObject_AsFileDescriptor():
with open("somefile") as f:
os.chmod(f, 0o644)
_fd_converter() also has more elaborate overflow checks. These checks should be
added to PyObject_AsFileDescriptor(), too.
----------
messages: 191563
nosy: christian.heimes
priority: normal
severity: normal
stage: needs patch
status: open
title: posixpath.c:_fd_converter() should use PyObject_AsFileDescriptor()
type: enhancement
versions: Python 3.4
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Python tracker <[email protected]>
<http://bugs.python.org/issue18276>
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