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Documentation/sphinx: fix kernel-doc extension on python3

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Reconcile differences between python2 and python3 on dealing with
stdout, stderr from Popen. This fixes "name 'unicode' is not defined"
errors on python3. We'll need to try to keep the extension working on
both python-sphinx and python3-sphinx so we don't need two copies.

Reported-and-tested-by: Marius Vlad <marius.c.vlad@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2016-05-31 18:09:12 +03:00
parent 2f4ad40a05
commit ba35018593
1 changed files with 7 additions and 2 deletions
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9
Documentation/sphinx/kernel-doc.py
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@ -23,6 +23,9 @@
#
# Authors:
# Jani Nikula <jani.nikula@intel.com>
#
# Please make sure this works on both python2 and python3.
#
import os
import subprocess
@ -75,8 +78,10 @@ class KernelDocDirective(Directive):
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
out, err = p.communicate()
# assume the kernel sources are utf-8
out, err = unicode(out, 'utf-8'), unicode(err, 'utf-8')
# python2 needs conversion to unicode.
# python3 with universal_newlines=True returns strings.
if sys.version_info.major < 3:
out, err = unicode(out, 'utf-8'), unicode(err, 'utf-8')
if p.returncode != 0:
sys.stderr.write(err)