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#!/usr/bin/env python
"""
Botan doc generation script
(C) 2014,2015,2017 Jack Lloyd
Botan is released under the Simplified BSD License (see license.txt)
"""
import sys
import optparse # pylint: disable=deprecated-module
import subprocess
import shutil
import logging
import json
import tempfile
import os
import stat
def get_concurrency():
"""
Get default concurrency level of build
"""
def_concurrency = 2
try:
import multiprocessing
return max(def_concurrency, multiprocessing.cpu_count())
except ImportError:
return def_concurrency
def have_prog(prog):
"""
Check if some named program exists in the path
"""
for path in os.environ['PATH'].split(os.pathsep):
exe_file = os.path.join(path, prog)
if os.path.exists(exe_file) and os.access(exe_file, os.X_OK):
return True
return False
def find_rst2man():
possible_names = ['rst2man', 'rst2man.py']
for name in possible_names:
if have_prog(name):
return name
raise Exception("Was configured with rst2man but could not be located in PATH")
def touch(fname):
try:
os.utime(fname, None)
except OSError:
open(fname, 'a').close()
def copy_files(src_path, dest_dir):
logging.debug("Copying %s to %s", src_path, dest_dir)
file_mode = os.stat(src_path).st_mode
try:
os.mkdir(dest_dir)
except OSError:
pass
if stat.S_ISREG(file_mode):
logging.debug("Copying file %s to %s", src_path, dest_dir)
shutil.copy(src_path, dest_dir)
else:
for f in os.listdir(src_path):
src_file = os.path.join(src_path, f)
file_mode = os.stat(src_file).st_mode
if stat.S_ISREG(file_mode):
dest_file = os.path.join(dest_dir, f)
shutil.copyfile(src_file, dest_file)
elif stat.S_ISDIR(file_mode):
copy_files(os.path.join(src_path, f), os.path.join(dest_dir, f))
def run_and_check(cmd_line, cwd=None):
logging.info("Starting %s", ' '.join(cmd_line))
try:
proc = subprocess.Popen(cmd_line, cwd=cwd)
proc.communicate()
except OSError as e:
logging.error("Executing %s failed (%s)", ' '.join(cmd_line), e)
if proc.returncode != 0:
logging.error("Error running %s", ' '.join(cmd_line))
sys.exit(1)
def parse_options(args):
parser = optparse.OptionParser()
parser.add_option('--verbose', action='store_true', default=False,
help='Show debug messages')
parser.add_option('--quiet', action='store_true', default=False,
help='Show only warnings and errors')
parser.add_option('--build-dir', metavar='DIR', default='build',
help='Location of build output (default \'%default\')')
parser.add_option('--dry-run', default=False, action='store_true',
help='Just display what would be done')
(options, args) = parser.parse_args(args)
if len(args) > 1:
logging.error("Unknown arguments")
return None
def log_level():
if options.verbose:
return logging.DEBUG
if options.quiet:
return logging.WARNING
return logging.INFO
logging.getLogger().setLevel(log_level())
return options
def sphinx_supports_concurrency():
import re
from distutils.version import StrictVersion
proc = subprocess.Popen(['sphinx-build', '--version'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
output, _ = proc.communicate()
if isinstance(output, bytes):
output = output.decode('ascii')
output = output.strip()
# Sphinx v1.1.3
# sphinx-build 1.7.4
match = re.match(r'^(?:[a-zA-Z_-]+) v?(([0-9]+)\.([0-9]+))', output)
if match is None:
# If regex doesn't match, disable by default
logging.warning("Did not recognize sphinx version from '%s'", output)
return False
version = StrictVersion(match.group(1))
if version < StrictVersion('1.4'):
# not supported
return False
if version == StrictVersion('3.0'):
# Bug in Sphinx 3.0 https://github.com/sphinx-doc/sphinx/issues/7438
return False
return True
def read_config(config):
try:
f = open(config)
cfg = json.load(f)
f.close()
except OSError:
raise Exception('Failed to load build config %s - is build dir correct?' % (config))
return cfg
def main(args=None):
# pylint: disable=too-many-branches
if args is None:
args = sys.argv
logging.basicConfig(stream=sys.stdout,
format='%(levelname) 7s: %(message)s')
options = parse_options(args)
if options is None:
return 1
cfg = read_config(os.path.join(options.build_dir, 'build_config.json'))
with_docs = bool(cfg['with_documentation'])
with_sphinx = bool(cfg['with_sphinx'])
with_pdf = bool(cfg['with_pdf'])
with_rst2man = bool(cfg['with_rst2man'])
with_doxygen = bool(cfg['with_doxygen'])
doc_stamp_file = cfg['doc_stamp_file']
handbook_src = cfg['doc_dir']
handbook_output = cfg['handbook_output_dir']
if with_docs is False:
logging.debug('Documentation build disabled')
return 0
cmds = []
if with_doxygen:
cmds.append(['doxygen', os.path.join(cfg['build_dir'], 'botan.doxy')])
if with_sphinx:
sphinx_build = ['sphinx-build', '-q', '-c', cfg['sphinx_config_dir']]
if sphinx_supports_concurrency():
sphinx_build += ['-j', str(get_concurrency())]
cmds.append(sphinx_build + ['-b', 'html', handbook_src, handbook_output])
if with_pdf:
latex_output = tempfile.mkdtemp(prefix='botan_latex_')
cmds.append(sphinx_build + ['-b', 'latex', handbook_src, latex_output])
cmds.append(['make', '-C', latex_output])
cmds.append(['cp', os.path.join(latex_output, 'botan.pdf'), handbook_output])
else:
# otherwise just copy it
cmds.append(['cp', handbook_src, handbook_output])
if with_rst2man:
cmds.append([find_rst2man(),
os.path.join(cfg['build_dir'], 'botan.rst'),
os.path.join(cfg['build_dir'], 'botan.1')])
cmds.append(['touch', doc_stamp_file])
for cmd in cmds:
if options.dry_run:
print(' '.join(cmd))
else:
if cmd[0] == 'cp':
assert len(cmd) == 3
copy_files(cmd[1], cmd[2])
elif cmd[0] == 'touch':
assert len(cmd) == 2
touch(cmd[1])
else:
run_and_check(cmd)
return 0
if __name__ == '__main__':
sys.exit(main())
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