[issue17556] os.path.join() converts None to '' by default

[Muhammad Hallaj Subery]

New submission from Muhammad Hallaj Subery:

I think the default behavior of os.path.join() when None is passed as the first 
argument should be to translate it to '' by default.

>>> import os
>>> os.path.join(None, 'somewhere')
'somewhere'

vs the current

>>> import os
>>> os.path.join(None, 'somewhere')
Traceback (most recent call last):
  File "", line 1, in 
  File "/usr/lib/python2.7/posixpath.py", line 68, in join
elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'

--
components: Library (Lib)
messages: 185316
nosy: hallaj
priority: normal
severity: normal
status: open
title: os.path.join() converts None to '' by default
type: enhancement
versions: Python 2.6, Python 2.7, Python 3.1, Python 3.2, Python 3.3, Python 
3.4, Python 3.5

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[issue17556] os.path.join() converts None to '' by default

[Muhammad Hallaj Subery]

Muhammad Hallaj Subery added the comment:

I believe this can be easily archived by adding the following changes:

64c64
< path = a or ''
---
>

--

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