New submission from Fabien Dubosson:
When using bash, the `cd` function does not follow symlinks by default, but `cd
-P` does. The `os.chdir` function behaves like `cd -P` preventing to be able to
change directory to a symlink folder.
Initial setup (make a `/tmp/to/dst` symlink pointing to `/tmp/from/src`):
cd /tmp
mkdir from from/src to
ln -s ../from/src to/dst
Here is an example, when using python's `os.chdir` function:
[fabien@asus ~]$ python
>>> import os
>>> os.chdir('/tmp/to/dst')
>>> os.system('/usr/bin/pwd')
/tmp/from/src
0
>>> os.system('/usr/bin/pwd -P')
/tmp/from/src
0
>>> os.system('/usr/bin/pwd -L')
/tmp/from/src
0
>>> os.getcwd()
'/tmp/from/src'
>>>
And here is an example when the folder is first changed with bash:
[fabien@asus ~]$ cd /tmp/to/dst/
[fabien@asus dst]$ python
>>> import os
>>> os.system('/usr/bin/pwd')
/tmp/from/src
0
>>> os.system('/usr/bin/pwd -P')
/tmp/from/src
0
>>> os.system('/usr/bin/pwd -L')
/tmp/to/dst
0
>>> os.getcwd()
'/tmp/from/src'
>>>
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue29635>
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