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108 lines
3.1 KiB
108 lines
3.1 KiB
#! /usr/bin/python
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from __future__ import print_function
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import atexit
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from contextlib import closing
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import gzip
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from optparse import OptionParser
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import shutil
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import sys
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import tempfile
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try:
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from urllib.request import urlretrieve
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except ImportError:
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from urllib import urlretrieve
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import apt_pkg
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from launchpadlib.launchpad import Launchpad
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import lputils
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tempdir = None
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def ensure_tempdir():
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global tempdir
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if not tempdir:
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tempdir = tempfile.mkdtemp(prefix="orphaned-sources")
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atexit.register(shutil.rmtree, tempdir)
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def decompress_open(tagfile):
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if tagfile.startswith("http:") or tagfile.startswith("ftp:"):
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url = tagfile
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tagfile = urlretrieve(url)[0]
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if tagfile.endswith(".gz"):
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ensure_tempdir()
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decompressed = tempfile.mktemp(dir=tempdir)
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with closing(gzip.GzipFile(tagfile)) as fin:
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with open(decompressed, "wb") as fout:
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fout.write(fin.read())
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return open(decompressed, "r")
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else:
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return open(tagfile, "r")
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def archive_base(archtag):
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if archtag in ("amd64", "i386", "src"):
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return "http://archive.ubuntu.com/ubuntu"
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else:
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return "http://ports.ubuntu.com/ubuntu-ports"
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def source_names(options):
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sources = set()
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for component in "main", "restricted", "universe", "multiverse":
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url = "%s/dists/%s/%s/source/Sources.gz" % (
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archive_base("src"), options.suite, component)
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print("Reading %s ..." % url, file=sys.stderr)
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for section in apt_pkg.TagFile(decompress_open(url)):
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sources.add(section["Package"])
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return sources
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def referenced_sources(options):
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sources = set()
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for component in "main", "restricted", "universe", "multiverse":
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for arch in options.architectures:
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archtag = arch.architecture_tag
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for suffix in "", "/debian-installer":
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url = "%s/dists/%s/%s%s/binary-%s/Packages.gz" % (
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archive_base(archtag), options.suite, component, suffix,
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archtag)
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print("Reading %s ..." % url, file=sys.stderr)
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for section in apt_pkg.TagFile(decompress_open(url)):
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if "Source" in section:
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sources.add(section["Source"].split(" ", 1)[0])
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else:
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sources.add(section["Package"])
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return sources
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def main():
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parser = OptionParser(
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description="Check for sources without any remaining binaries.")
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parser.add_option(
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"-l", "--launchpad", dest="launchpad_instance", default="production")
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parser.add_option("-s", "--suite", help="check this suite")
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options, _ = parser.parse_args()
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options.distribution = "ubuntu"
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options.launchpad = Launchpad.login_anonymously(
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"orphaned-sources", options.launchpad_instance)
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lputils.setup_location(options)
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if options.pocket != "Release":
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parser.error("cannot run on non-release pocket")
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orphaned_sources = source_names(options) - referenced_sources(options)
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for source in sorted(orphaned_sources):
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print(source)
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if __name__ == '__main__':
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main()
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