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python 2.7 - os.popen "function not implemented" / mount -o loop fails #16

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torpesco opened this issue May 9, 2017 · 0 comments

torpesco commented May 9, 2017 •

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Is there a reason pflask doesn't use devtmpfs for /dev? To have a minimal set of devices available?

I tried to use pflask to build a project in an isolated chroot environment recently and ran into two issues:

os.popen in Python 2.7 fails. I get "[Errno 38] Function not implemented".
- Using popen() in a test C program worked fine.
- os.popen is deprecated. When I changed the script in my working copy to use subprocess.Popen, it worked.
mount -o loop fails

Both of these were fixed using this brute-force change:
torpesco@a40dfb0

Is there an alternate solution that would be preferred?

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