Minimal PyPI server for uploading & downloading packages with pip/easy_install
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##############################################################################
#
# 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, shutil, sys, tempfile
from optparse import OptionParser
tmpeggs = tempfile.mkdtemp()
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 --setup-source and --download-base to point to
local resources, you can keep this script from going over the network.
"""
parser = OptionParser(usage=usage)
parser.add_option("-v", "--version", help="use a specific zc.buildout 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"
)
options, args = parser.parse_args()
######################################################################
# load/install distribute
to_reload = False
try:
import pkg_resources, setuptools
if not hasattr(pkg_resources, "_distribute"):
to_reload = True
raise ImportError
except ImportError:
ez = {}
try:
from urllib.request import urlopen
except ImportError:
from urllib2 import urlopen
exec(urlopen("http://python-distribute.org/distribute_setup.py").read(), ez)
setup_args = dict(to_dir=tmpeggs, download_delay=0, no_fake=True)
ez["use_setuptools"](**setup_args)
if to_reload:
reload(pkg_resources)
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
cmd = [
sys.executable,
"-c",
"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])
distribute_path = ws.find(
pkg_resources.Requirement.parse("distribute")
).location
requirement = "zc.buildout"
version = options.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):
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=[distribute_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, env=dict(os.environ, PYTHONPATH=distribute_path)) != 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)