147 lines
4.3 KiB
Python
Executable File
147 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# ##### BEGIN GPL LICENSE BLOCK #####
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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'''
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This script generates the blender.1 man page, embedding the help text
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from the Blender executable itself. Invoke it as follows:
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blender.1.py <path-to-blender> <output-filename>
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where <path-to-blender> is the path to the Blender executable,
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and <output-filename> is where to write the generated man page.
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'''
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# <pep8 compliant>
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import os
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import subprocess
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import sys
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import time
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def man_format(data):
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data = data.replace("-", "\\-")
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data = data.replace("\t", " ")
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return data
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if len(sys.argv) != 3:
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import getopt
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raise getopt.GetoptError("Usage: %s <path-to-blender> <output-filename>" % sys.argv[0])
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blender_bin = sys.argv[1]
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outfilename = sys.argv[2]
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cmd = [blender_bin, "--help"]
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print(" executing:", " ".join(cmd))
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blender_help = subprocess.run(
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cmd, env={"ASAN_OPTIONS": "exitcode=0"}, check=True, stdout=subprocess.PIPE).stdout.decode(encoding="utf-8")
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blender_version = subprocess.run(
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[blender_bin, "--version"], env={"ASAN_OPTIONS": "exitcode=0"}, check=True, stdout=subprocess.PIPE).stdout.decode(encoding="utf-8").strip()
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blender_version, blender_date = (blender_version.split("build") + [None, None])[0:2]
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blender_version = blender_version.rstrip().partition(" ")[2] # remove 'Blender' prefix.
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if blender_date is None:
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# Happens when built without WITH_BUILD_INFO e.g.
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date_string = time.strftime("%B %d, %Y", time.gmtime(int(os.environ.get('SOURCE_DATE_EPOCH', time.time()))))
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else:
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blender_date = blender_date.strip().partition(" ")[2] # remove 'date:' prefix
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date_string = time.strftime("%B %d, %Y", time.strptime(blender_date, "%Y-%m-%d"))
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outfile = open(outfilename, "w")
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fw = outfile.write
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fw('.TH "BLENDER" "1" "%s" "Blender %s"\n' % (date_string, blender_version.replace(".", "\\&.")))
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fw('''
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.SH NAME
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blender \- a full-featured 3D application''')
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fw('''
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.SH SYNOPSIS
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.B blender [args ...] [file] [args ...]''')
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fw('''
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.br
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.SH DESCRIPTION
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.PP
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.B blender
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is a full-featured 3D application. It supports the entirety of the 3D pipeline - modeling, rigging, animation, simulation, rendering, compositing, motion tracking, and video editing.
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Use Blender to create 3D images and animations, films and commercials, content for games, architectural and industrial visualizatons, and scientific visualizations.
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https://www.blender.org''')
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fw('''
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.SH OPTIONS''')
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fw("\n\n")
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lines = [line.rstrip() for line in blender_help.split("\n")]
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while lines:
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l = lines.pop(0)
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if l.startswith("Environment Variables:"):
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fw('.SH "ENVIRONMENT VARIABLES"\n')
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elif l.endswith(":"): # one line
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fw('.SS "%s"\n\n' % l)
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elif l.startswith("-") or l.startswith("/"): # can be multi line
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fw('.TP\n')
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fw('.B %s\n' % man_format(l))
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while lines:
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# line with no
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if lines[0].strip() and len(lines[0].lstrip()) == len(lines[0]): # no white space
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break
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if not l: # second blank line
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fw('.IP\n')
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else:
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fw('.br\n')
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l = lines.pop(0)
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l = l[1:] # remove first whitespace (tab)
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fw('%s\n' % man_format(l))
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else:
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if not l.strip():
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fw('.br\n')
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else:
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fw('%s\n' % man_format(l))
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# footer
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fw('''
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.br
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.SH SEE ALSO
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.B luxrender(1)
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.br
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.SH AUTHORS
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This manpage was written for a Debian GNU/Linux system by Daniel Mester
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<mester@uni-bremen.de> and updated by Cyril Brulebois
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<cyril.brulebois@enst-bretagne.fr> and Dan Eicher <dan@trollwerks.org>.
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''')
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outfile.close()
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print("written:", outfilename)
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