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pybuild
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#! /usr/bin/python3
# vim: et ts=4 sw=4
# Copyright © 2012-2013 Piotr Ożarowski <[email protected]>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import logging
import argparse
import sys
from os import environ, getcwd, makedirs
from os.path import abspath, exists, join
logging.basicConfig(format='%(levelname).1s: pybuild '
'%(module)s:%(lineno)d: %(message)s')
log = logging.getLogger('dhpython')
def main(cfg):
log.debug('cfg: %s', cfg)
from dhpython import build
from dhpython.version import Version, get_requested_versions
from dhpython.interpreter import Interpreter
from dhpython.tools import execute, move_matching_files
if cfg.list_systems:
for name, Plugin in sorted(build.plugins.items()):
print(name, '\t', Plugin.DESCRIPTION)
exit(0)
nocheck = False
if 'DEB_BUILD_OPTIONS' in environ:
nocheck = 'nocheck' in environ['DEB_BUILD_OPTIONS']
env = environ.copy()
if 'LC_ALL' not in env:
env['LC_ALL'] = 'C.UTF-8'
if 'no_proxy' not in env:
env['no_proxy'] = 'localhost'
if 'http_proxy' not in env:
env['http_proxy'] = 'http://127.0.0.1:9/'
elif not env['http_proxy']:
del env['http_proxy'] # some tools don't like empty var.
if 'https_proxy' not in env:
env['https_proxy'] = 'https://127.0.0.1:9/'
elif not env['https_proxy']:
del env['https_proxy'] # some tools don't like empty var.
if cfg.system:
certainty = 99
Plugin = build.plugins.get(cfg.system)
if not Plugin:
log.error('unrecognized build system: %s', cfg.system)
exit(10)
plugin = Plugin(cfg)
context = {'ENV': env, 'args': {}, 'dir': cfg.dir}
plugin.detect(context)
else:
plugin, certainty, context = None, 0, None
for Plugin in build.plugins.values():
try:
tmp_plugin = Plugin(cfg)
except Exception as err:
log.warn('cannot initialize %s plugin: %s', Plugin.NAME,
err, exc_info=cfg.verbose)
continue
tmp_context = {'ENV': env, 'args': {}, 'dir': cfg.dir}
tmp_certainty = tmp_plugin.detect(tmp_context)
if tmp_certainty and tmp_certainty > certainty:
plugin, certainty, context = tmp_plugin, tmp_certainty, tmp_context
del Plugin
if not plugin:
log.error('cannot detect build system, please use --system option'
' or set PYBUILD_SYSTEM env. variable')
exit(11)
for interpreter in cfg.interpreter:
if plugin.SUPPORTED_INTERPRETERS is not True and interpreter not in plugin.SUPPORTED_INTERPRETERS:
log.error('interpreter %s not supported by %s', interpreter, plugin)
exit(12)
log.debug('detected build system: %s (certainty: %s%%)', plugin.NAME, certainty)
if cfg.detect_only:
if not cfg.really_quiet:
print(plugin.NAME)
exit(0)
# reversed so that default Python version will be last
versions = cfg.versions
if not versions:
log.debug('defaulting to all supported Python 3.X versions')
versions = list(get_requested_versions('cpython3', available=True))
versions = [Version(v) for v in versions]
def get_option(name, interpreter=None, version=None, default=None):
if interpreter:
# try PYBUILD_NAME_python3.3-dbg (or hardcoded interpreter)
i = interpreter.format(version=version or '')
opt = "PYBUILD_{}_{}".format(name.upper(), i)
if opt in environ:
return environ[opt]
# try PYBUILD_NAME_python3-dbg (if not checked above)
if '{version}' in interpreter and version:
i = interpreter.format(version=version.major)
opt = "PYBUILD_{}_{}".format(name.upper(), i)
if opt in environ:
return environ[opt]
# try PYBUILD_NAME
opt = "PYBUILD_{}".format(name.upper())
if opt in environ:
return environ[opt]
# try command line args
return getattr(cfg, name, default) or default
def get_args(context, step, version, interpreter):
i = interpreter.format(version=version)
home_dir = '.pybuild/{}_{}'.format(interpreter.format(version='X.Y'), version)
build_dir = get_option('build_dir', interpreter, version,
default=join(home_dir, 'build'))
ipreter = Interpreter(i)
destdir = context['destdir'].format(version=version, interpreter=i)
if cfg.name:
package = ipreter.suggest_pkg_name(cfg.name)
else:
package = 'PYBUILD_NAME_not_set'
if cfg.name and destdir.rstrip('/').endswith('debian/tmp'):
destdir = "debian/{}".format(package)
destdir = abspath(destdir)
args = dict(context['args'])
args.update({
'package': package,
'interpreter': ipreter,
'version': version,
'args': get_option("%s_args" % step, interpreter, version, ''),
'dir': abspath(context['dir'].format(version=version, interpreter=i)),
'destdir': destdir,
'build_dir': abspath(build_dir.format(version=version, interpreter=i)),
# versioned dist-packages even for Python 3.X - dh_python3 will fix it later
# (and will have a chance to compare files)
'install_dir': get_option('install_dir', interpreter, version,
'/usr/lib/python{version}/dist-packages'
).format(version=version, interpreter=i),
'home_dir': abspath(home_dir)})
if interpreter == 'pypy':
args['install_dir'] = '/usr/lib/pypy/dist-packages/'
if step == 'test':
pp = context['ENV'].get('PYTHONPATH', '')
args['test_dir'] = join(args['destdir'], args['install_dir'].lstrip('/'))
if args['test_dir'] not in pp.split(':'):
pp = "{}:{}".format(pp, args['test_dir']).lstrip(':')
if args['build_dir'] not in pp.split(':'):
pp = "{}:{}".format(pp, args['build_dir']).lstrip(':')
args['PYTHONPATH'] = pp
if not exists(args['build_dir']):
makedirs(args['build_dir'])
return args
def is_disabled(step, interpreter, version):
i = interpreter
prefix = "{}/".format(step)
disabled = (get_option('disable', i, version) or '').split()
for item in disabled:
if item in (step, '1'):
log.debug('disabling {} step for {} {}'.format(step, i, version))
return True
if item.startswith(prefix):
disabled.append(item[len(prefix):])
if i in disabled or str(version) in disabled or \
i.format(version=version) in disabled or \
i.format(version=version.major) in disabled:
log.debug('disabling {} step for {} {}'.format(step, i, version))
return True
return False
def run(func, interpreter, version, context):
step = func.__func__.__name__
args = get_args(context, step, version, interpreter)
if 'PYTHONPATH' in args:
env = dict(context['ENV'])
env['PYTHONPATH'] = args['PYTHONPATH']
else:
env = context['ENV']
before_cmd = get_option('before_{}'.format(step), interpreter, version)
if before_cmd:
if cfg.quiet:
log_file = join(args['home_dir'], 'before_{}_cmd.log'.format(step))
else:
log_file = False
command = before_cmd.format(**args)
output = execute(command, context['dir'], env, log_file)
if output['returncode'] != 0:
msg = 'exit code={}: {}'.format(output['returncode'], command)
raise Exception(msg)
result = func(context, args)
after_cmd = get_option('after_{}'.format(step), interpreter, version)
if after_cmd:
if cfg.quiet:
log_file = join(args['home_dir'], 'after_{}_cmd.log'.format(step))
else:
log_file = False
command = after_cmd.format(**args)
output = execute(command, context['dir'], env, log_file)
if output['returncode'] != 0:
msg = 'exit code={}: {}'.format(output['returncode'], command)
raise Exception(msg)
return result
func = None
if cfg.clean_only:
func = plugin.clean
elif cfg.configure_only:
func = plugin.configure
elif cfg.build_only:
func = plugin.build
elif cfg.install_only:
func = plugin.install
elif cfg.test_only:
func = plugin.test
### one function for each interpreter at a time mode ###
if func:
step = func.__func__.__name__
if step == 'test' and nocheck:
exit(0)
for i in cfg.interpreter:
iversions = versions
if '{version}' not in i and len(versions) > 1:
log.info('limiting Python versions to %s due to missing {version}'
' in interpreter string', str(versions[0]))
iversions = versions[:1] # just the default or closest to default
for version in iversions:
if is_disabled(step, i, version):
continue
c = dict(context)
c['dir'] = get_option('dir', i, version, cfg.dir)
c['destdir'] = get_option('destdir', i, version, cfg.destdir)
try:
run(func, i, version, c)
except Exception as err:
log.error('%s: plugin %s failed with: %s',
step, plugin.NAME, err, exc_info=cfg.verbose)
exit(13)
if step == 'install':
ext_destdir = get_option('ext_destdir', i, version)
if ext_destdir:
move_matching_files(c['destdir'], ext_destdir,
get_option('ext_pattern', i, version))
exit(0)
### all functions for interpreters in batches mode ###
try:
context_map = {}
for i in cfg.interpreter:
iversions = versions
if '{version}' not in i and len(versions) > 1:
log.info('limiting Python versions to %s due to missing {version}'
' in interpreter string', str(versions[0]))
iversions = versions[:1] # just the default or closest to default
for version in iversions:
key = (i, version)
if key in context_map:
c = context_map[key]
else:
c = dict(context)
c['dir'] = get_option('dir', i, version, cfg.dir)
c['destdir'] = get_option('destdir', i, version, cfg.destdir)
context_map[key] = c
if not is_disabled('clean', i, version):
run(plugin.clean, i, version, c)
if not is_disabled('configure', i, version):
run(plugin.configure, i, version, c)
if not is_disabled('build', i, version):
run(plugin.build, i, version, c)
if not is_disabled('install', i, version):
run(plugin.install, i, version, c)
ext_destdir = get_option('ext_destdir', i, version)
if ext_destdir:
move_matching_files(c['destdir'], ext_destdir,
get_option('ext_pattern', i, version))
if not nocheck and not is_disabled('test', i, version):
run(plugin.test, i, version, c)
except Exception as err:
log.error('plugin %s failed: %s', plugin.NAME, err,
exc_info=cfg.verbose)
exit(14)
def parse_args(argv):
usage = '%(prog)s [ACTION] [BUILD SYSTEM ARGS] [DIRECTORIES] [OPTIONS]'
parser = argparse.ArgumentParser(usage=usage)
parser.add_argument('-v', '--verbose', action='store_true',
default=environ.get('PYBUILD_VERBOSE') == '1',
help='turn verbose mode on')
parser.add_argument('-q', '--quiet', action='store_true',
default=environ.get('PYBUILD_QUIET') == '1',
help='doesn\'t show external command\'s output')
parser.add_argument('-qq', '--really-quiet', action='store_true',
default=environ.get('PYBUILD_RQUIET') == '1',
help='be quiet')
parser.add_argument('--version', action='version', version='%(prog)s DEVELV')
action = parser.add_argument_group('ACTION', '''The default is to build,
install and test the library using detected build system version by
version. Selecting one of following actions, will invoke given action
for all versions - one by one - which (contrary to the default action)
in some build systems can overwrite previous results.''')
action.add_argument('--detect', action='store_true', dest='detect_only',
help='return the name of detected build system')
action.add_argument('--clean', action='store_true', dest='clean_only',
help='clean files using auto-detected build system specific methods')
action.add_argument('--configure', action='store_true', dest='configure_only',
help='invoke configure step for all requested Python versions')
action.add_argument('--build', action='store_true', dest='build_only',
help='invoke build step for all requested Python versions')
action.add_argument('--install', action='store_true', dest='install_only',
help='invoke install step for all requested Python versions')
action.add_argument('--test', action='store_true', dest='test_only',
help='invoke tests for auto-detected build system')
action.add_argument('--list-systems', action='store_true',
help='list available build systems and exit')
arguments = parser.add_argument_group('BUILD SYSTEM ARGS', '''
Additional arguments passed to the build system.
--system=custom requires complete command.''')
arguments.add_argument('--before-clean', metavar='CMD',
help='invoked before the clean command')
arguments.add_argument('--clean-args', metavar='ARGS')
arguments.add_argument('--after-clean', metavar='CMD',
help='invoked after the clean command')
arguments.add_argument('--before-configure', metavar='CMD',
help='invoked before the configure command')
arguments.add_argument('--configure-args', metavar='ARGS')
arguments.add_argument('--after-configure', metavar='CMD',
help='invoked after the configure command')
arguments.add_argument('--before-build', metavar='CMD',
help='invoked before the build command')
arguments.add_argument('--build-args', metavar='ARGS')
arguments.add_argument('--after-build', metavar='CMD',
help='invoked after the build command')
arguments.add_argument('--before-install', metavar='CMD',
help='invoked before the install command')
arguments.add_argument('--install-args', metavar='ARGS')
arguments.add_argument('--after-install', metavar='CMD',
help='invoked after the install command')
arguments.add_argument('--before-test', metavar='CMD',
help='invoked before the test command')
arguments.add_argument('--test-args', metavar='ARGS')
arguments.add_argument('--after-test', metavar='CMD',
help='invoked after the test command')
tests = parser.add_argument_group('TESTS', '''\
unittest\'s discover is used by default (if available)''')
tests.add_argument('--test-nose', action='store_true',
default=environ.get('PYBUILD_TEST_NOSE') == '1',
help='use nose module in --test step')
tests.add_argument('--test-pytest', action='store_true',
default=environ.get('PYBUILD_TEST_PYTEST') == '1',
help='use pytest module in --test step')
tests.add_argument('--test-tox', action='store_true',
default=environ.get('PYBUILD_TEST_TOX') == '1',
help='use tox in --test step')
dirs = parser.add_argument_group('DIRECTORIES')
dirs.add_argument('-d', '--dir', action='store', metavar='DIR',
default=getcwd(),
help='source files directory - base for other relative dirs [default: CWD]')
dirs.add_argument('--dest-dir', action='store', metavar='DIR', dest='destdir',
default=environ.get('DESTDIR', 'debian/tmp'),
help='destination directory [default: debian/tmp]')
dirs.add_argument('--ext-dest-dir', action='store', metavar='DIR', dest='ext_destdir',
default=environ.get('EXT_DESTDIR'),
help='destination directory for .so files')
dirs.add_argument('--ext-pattern', action='store', metavar='PATTERN',
default=environ.get('EXT_PATTERN', r'\.so(\.[^/]*)?$'),
help='regular expression for files that should be moved'
' if --ext-dest-dir is set [default: .so files]')
dirs.add_argument('--install-dir', action='store', metavar='DIR',
help='installation directory [default: .../dist-packages]')
dirs.add_argument('--name', action='store',
default=environ.get('PYBUILD_NAME'),
help='use this name to guess destination directories')
limit = parser.add_argument_group('LIMITATIONS')
limit.add_argument('-s', '--system',
default=environ.get('PYBUILD_SYSTEM'),
help='select a build system [default: auto-detection]')
limit.add_argument('-p', '--pyver', action='append', dest='versions',
help='''build for Python VERSION.
This option can be used multiple times
[default: all supported Python 3.X versions]''')
limit.add_argument('-i', '--interpreter', action='append',
help='change interpreter [default: python{version}]')
limit.add_argument('--disable', metavar='ITEMS',
help='disable action, interpreter or version')
args = parser.parse_args()
if not args.interpreter:
args.interpreter = environ.get('PYBUILD_INTERPRETERS', 'python{version}').split()
if not args.versions:
args.versions = environ.get('PYBUILD_VERSIONS', '').split()
else:
# add support for -p `pyversions -rv`
versions = []
for version in args.versions:
versions.extend(version.split())
args.versions = versions
if args.test_nose or args.test_pytest or args.test_tox\
or args.system == 'custom':
args.custom_tests = True
else:
args.custom_tests = False
return args
if __name__ == '__main__':
cfg = parse_args(sys.argv)
if cfg.really_quiet:
cfg.quiet = True
log.setLevel(logging.CRITICAL)
elif cfg.verbose:
log.setLevel(logging.DEBUG)
else:
log.setLevel(logging.INFO)
log.debug('version: DEVELV')
log.debug(sys.argv)
main(cfg)
# let dh/cdbs clean the .pybuild dir
# rmtree(join(cfg.dir, '.pybuild'))