mirror of
https://github.com/searxng/searxng.git
synced 2024-12-24 10:10:29 +00:00
210 lines
7.3 KiB
Python
210 lines
7.3 KiB
Python
##############################################################################
|
|
#
|
|
# Copyright (c) 2006 Zope Foundation and Contributors.
|
|
# All Rights Reserved.
|
|
#
|
|
# This software is subject to the provisions of the Zope Public License,
|
|
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
|
|
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
|
|
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
|
|
# FOR A PARTICULAR PURPOSE.
|
|
#
|
|
##############################################################################
|
|
"""Bootstrap a buildout-based project
|
|
|
|
Simply run this script in a directory containing a buildout.cfg.
|
|
The script accepts buildout command-line options, so you can
|
|
use the -c option to specify an alternate configuration file.
|
|
"""
|
|
|
|
import os
|
|
import shutil
|
|
import sys
|
|
import tempfile
|
|
|
|
from optparse import OptionParser
|
|
|
|
__version__ = '2015-07-01'
|
|
# See zc.buildout's changelog if this version is up to date.
|
|
|
|
tmpeggs = tempfile.mkdtemp(prefix='bootstrap-')
|
|
|
|
usage = '''\
|
|
[DESIRED PYTHON FOR BUILDOUT] bootstrap.py [options]
|
|
|
|
Bootstraps a buildout-based project.
|
|
|
|
Simply run this script in a directory containing a buildout.cfg, using the
|
|
Python that you want bin/buildout to use.
|
|
|
|
Note that by using --find-links to point to local resources, you can keep
|
|
this script from going over the network.
|
|
'''
|
|
|
|
parser = OptionParser(usage=usage)
|
|
parser.add_option("--version",
|
|
action="store_true", default=False,
|
|
help=("Return bootstrap.py version."))
|
|
parser.add_option("-t", "--accept-buildout-test-releases",
|
|
dest='accept_buildout_test_releases',
|
|
action="store_true", default=False,
|
|
help=("Normally, if you do not specify a --version, the "
|
|
"bootstrap script and buildout gets the newest "
|
|
"*final* versions of zc.buildout and its recipes and "
|
|
"extensions for you. If you use this flag, "
|
|
"bootstrap and buildout will get the newest releases "
|
|
"even if they are alphas or betas."))
|
|
parser.add_option("-c", "--config-file",
|
|
help=("Specify the path to the buildout configuration "
|
|
"file to be used."))
|
|
parser.add_option("-f", "--find-links",
|
|
help=("Specify a URL to search for buildout releases"))
|
|
parser.add_option("--allow-site-packages",
|
|
action="store_true", default=False,
|
|
help=("Let bootstrap.py use existing site packages"))
|
|
parser.add_option("--buildout-version",
|
|
help="Use a specific zc.buildout version")
|
|
parser.add_option("--setuptools-version",
|
|
help="Use a specific setuptools version")
|
|
parser.add_option("--setuptools-to-dir",
|
|
help=("Allow for re-use of existing directory of "
|
|
"setuptools versions"))
|
|
|
|
options, args = parser.parse_args()
|
|
if options.version:
|
|
print("bootstrap.py version %s" % __version__)
|
|
sys.exit(0)
|
|
|
|
|
|
######################################################################
|
|
# load/install setuptools
|
|
|
|
try:
|
|
from urllib.request import urlopen
|
|
except ImportError:
|
|
from urllib2 import urlopen
|
|
|
|
ez = {}
|
|
if os.path.exists('ez_setup.py'):
|
|
exec(open('ez_setup.py').read(), ez)
|
|
else:
|
|
exec(urlopen('https://bootstrap.pypa.io/ez_setup.py').read(), ez)
|
|
|
|
if not options.allow_site_packages:
|
|
# ez_setup imports site, which adds site packages
|
|
# this will remove them from the path to ensure that incompatible versions
|
|
# of setuptools are not in the path
|
|
import site
|
|
# inside a virtualenv, there is no 'getsitepackages'.
|
|
# We can't remove these reliably
|
|
if hasattr(site, 'getsitepackages'):
|
|
for sitepackage_path in site.getsitepackages():
|
|
# Strip all site-packages directories from sys.path that
|
|
# are not sys.prefix; this is because on Windows
|
|
# sys.prefix is a site-package directory.
|
|
if sitepackage_path != sys.prefix:
|
|
sys.path[:] = [x for x in sys.path
|
|
if sitepackage_path not in x]
|
|
|
|
setup_args = dict(to_dir=tmpeggs, download_delay=0)
|
|
|
|
if options.setuptools_version is not None:
|
|
setup_args['version'] = options.setuptools_version
|
|
if options.setuptools_to_dir is not None:
|
|
setup_args['to_dir'] = options.setuptools_to_dir
|
|
|
|
ez['use_setuptools'](**setup_args)
|
|
import setuptools
|
|
import pkg_resources
|
|
|
|
# This does not (always?) update the default working set. We will
|
|
# do it.
|
|
for path in sys.path:
|
|
if path not in pkg_resources.working_set.entries:
|
|
pkg_resources.working_set.add_entry(path)
|
|
|
|
######################################################################
|
|
# Install buildout
|
|
|
|
ws = pkg_resources.working_set
|
|
|
|
setuptools_path = ws.find(
|
|
pkg_resources.Requirement.parse('setuptools')).location
|
|
|
|
# Fix sys.path here as easy_install.pth added before PYTHONPATH
|
|
cmd = [sys.executable, '-c',
|
|
'import sys; sys.path[0:0] = [%r]; ' % setuptools_path +
|
|
'from setuptools.command.easy_install import main; main()',
|
|
'-mZqNxd', tmpeggs]
|
|
|
|
find_links = os.environ.get(
|
|
'bootstrap-testing-find-links',
|
|
options.find_links or
|
|
('http://downloads.buildout.org/'
|
|
if options.accept_buildout_test_releases else None)
|
|
)
|
|
if find_links:
|
|
cmd.extend(['-f', find_links])
|
|
|
|
requirement = 'zc.buildout'
|
|
version = options.buildout_version
|
|
if version is None and not options.accept_buildout_test_releases:
|
|
# Figure out the most recent final version of zc.buildout.
|
|
import setuptools.package_index
|
|
_final_parts = '*final-', '*final'
|
|
|
|
def _final_version(parsed_version):
|
|
try:
|
|
return not parsed_version.is_prerelease
|
|
except AttributeError:
|
|
# Older setuptools
|
|
for part in parsed_version:
|
|
if (part[:1] == '*') and (part not in _final_parts):
|
|
return False
|
|
return True
|
|
|
|
index = setuptools.package_index.PackageIndex(
|
|
search_path=[setuptools_path])
|
|
if find_links:
|
|
index.add_find_links((find_links,))
|
|
req = pkg_resources.Requirement.parse(requirement)
|
|
if index.obtain(req) is not None:
|
|
best = []
|
|
bestv = None
|
|
for dist in index[req.project_name]:
|
|
distv = dist.parsed_version
|
|
if _final_version(distv):
|
|
if bestv is None or distv > bestv:
|
|
best = [dist]
|
|
bestv = distv
|
|
elif distv == bestv:
|
|
best.append(dist)
|
|
if best:
|
|
best.sort()
|
|
version = best[-1].version
|
|
if version:
|
|
requirement = '=='.join((requirement, version))
|
|
cmd.append(requirement)
|
|
|
|
import subprocess
|
|
if subprocess.call(cmd) != 0:
|
|
raise Exception(
|
|
"Failed to execute command:\n%s" % repr(cmd)[1:-1])
|
|
|
|
######################################################################
|
|
# Import and run buildout
|
|
|
|
ws.add_entry(tmpeggs)
|
|
ws.require(requirement)
|
|
import zc.buildout.buildout
|
|
|
|
if not [a for a in args if '=' not in a]:
|
|
args.append('bootstrap')
|
|
|
|
# if -c was provided, we push it back into args for buildout' main function
|
|
if options.config_file is not None:
|
|
args[0:0] = ['-c', options.config_file]
|
|
|
|
zc.buildout.buildout.main(args)
|
|
shutil.rmtree(tmpeggs)
|