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Manpage gen script: fix for python < 3.7, and missing Blender build info. 

Python3.7 is still fairly recent, not all distro use it as system python
yet, fallback to code compatible up to py3.5.

Also, often distro builds of Blender do not have the buildinfo, in that
case fallback to `SOURCE_DATE_EPOCH` envvar, and as last resort to
current time, as in orig patch D5756 (we still use blender builddate
when available).

Issues raised in recent own rBcd5c70630318.
This commit is contained in:
Bastien Montagne 2019-09-19 15:54:13 +02:00
parent 815ca2310f
commit cb5ed2e5f4
1 changed files with 10 additions and 5 deletions
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15
doc/manpage/blender.1.py
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@ -30,6 +30,7 @@ and <output-filename> is where to write the generated man page.
# <pep8 compliant>
import os
import subprocess
import sys
@ -52,13 +53,17 @@ outfilename = sys.argv[2]
cmd = [blender_bin, "--help"]
print(" executing:", " ".join(cmd))
blender_help = subprocess.run(
cmd, env={"ASAN_OPTIONS": "exitcode=0"}, check=True, capture_output=True).stdout.decode(encoding="utf-8")
cmd, env={"ASAN_OPTIONS": "exitcode=0"}, check=True, stdout=subprocess.PIPE).stdout.decode(encoding="utf-8")
blender_version = subprocess.run(
[blender_bin, "--version"], env={"ASAN_OPTIONS": "exitcode=0"}, check=True, capture_output=True).stdout.decode(encoding="utf-8").strip()
blender_version, blender_date = blender_version.split("build")[0:2]
[blender_bin, "--version"], env={"ASAN_OPTIONS": "exitcode=0"}, check=True, stdout=subprocess.PIPE).stdout.decode(encoding="utf-8").strip()
blender_version, blender_date = (blender_version.split("build") + [None, None])[0:2]
blender_version = blender_version.rstrip().partition(" ")[2] # remove 'Blender' prefix.
blender_date = blender_date.strip().partition(" ")[2] # remove 'date:' prefix
date_string = time.strftime("%B %d, %Y", time.strptime(blender_date, "%Y-%m-%d"))
if blender_date is None:
# Happens when built without WITH_BUILD_INFO e.g.
date_string = time.strftime("%B %d, %Y", time.gmtime(int(os.environ.get('SOURCE_DATE_EPOCH', time.time()))))
else:
blender_date = blender_date.strip().partition(" ")[2] # remove 'date:' prefix
date_string = time.strftime("%B %d, %Y", time.strptime(blender_date, "%Y-%m-%d"))
outfile = open(outfilename, "w")
fw = outfile.write