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#!/usr/bin/python
#
# Copyright (C) 2011-2017, Stefano Rivera <stefanor@ubuntu.com>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
import collections
import gzip
import json
import logging
import optparse
import os
import re
import urllib2
import time
import sys
from distro_info import UbuntuDistroInfo
log = logging.getLogger(os.path.basename(sys.argv[0]))
# TODO: Find a way to determine these at runtime
# Used for parsing germinate-output
FLAVORS = [
'kubuntu',
'lubuntu',
'ubuntu',
'ubuntu-budgie',
'ubuntu-core',
'ubuntu-mate',
'ubuntukylin',
'ubuntustudio',
'xubuntu',
]
RELEASE = UbuntuDistroInfo().devel()
GERMINATE_URL = 'http://people.canonical.com/~ubuntu-archive/germinate-output/'
class SetEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, set):
return list(obj)
return json.JSONEncoder.default(self, obj)
def parse_manifest(fn):
packages = set()
with open(fn, 'r') as f:
for lineno, line in enumerate(f):
if '\t' not in line:
log.warning('Unparseable line: %s:%i', fn, lineno)
continue
package, version = line.split('\t')
package = package.split(':')[0]
packages.add(package)
return packages
def parse_list(fn):
packages = set()
pkg_re = re.compile(r'^/pool/[^/]+/[^/]+/[^/]+/([a-z0-9+.-]+)'
r'_[a-z0-9.+:~-]+_[a-z0-9-]+\.deb$')
with open(fn, 'r') as f:
for lineno, line in enumerate(f):
m = pkg_re.match(line)
if m is not None:
packages.add(m.group(1))
return packages
def read_manifests(seeded):
"""Read all the .list and .manifest files"""
pending = None
for root, dirs, files in os.walk('manifests'):
parts = root.split('/')
if 'pending' in dirs:
pending = os.readlink(os.path.join(root, 'pending'))
continue
elif parts[-1] != pending:
continue
elif parts[-2] == 'source':
continue
elif parts[1] == 'ubuntu-core':
continue # It works differently
elif parts[2] == 'ubuntu-rtm':
continue # Not the development release
elif parts[2] == 'vivid':
continue # Also not the dev release. Used for phones and things
version = parts[-1]
type_ = parts[-2]
if len(parts) == 4 and ('untu' in parts[-3]
or parts[-3] == 'livecd-base'):
flavor = parts[-3]
elif len(parts) == 3:
flavor = 'ubuntu'
else:
log.warning("Unexpected path: %s", root)
for fn in files:
log.debug("Parsing %s %s %s %s", flavor, type_, version, fn)
fullname = os.path.join(root, fn)
if fn.endswith('.manifest'):
packages = parse_manifest(fullname)
elif fn.endswith('.list'):
packages = parse_list(fullname)
else:
log.warning("Unknown file: %s", fullname)
continue
for pkg in packages:
seeded[pkg].add((flavor, type_))
def read_supported_seeds(seeded):
'''Parse germinate output to determine the contents of the supported seed
'''
flavors = FLAVORS
retried = set()
for flavor in flavors:
if flavor == 'ubuntu-core': # No seed structure
continue
if flavor in retried:
log.debug("Retrying %s in 10s", flavor)
time.sleep(10)
url_base = os.path.join(GERMINATE_URL, flavor + '.' + RELEASE)
try:
f = urllib2.urlopen(os.path.join(url_base, 'structure'))
data = f.readlines()
f.close()
except urllib2.URLError:
if flavor not in retried:
retried.add(flavor)
flavors.append(flavor)
log.debug("Missing %s seed structure, scheduling retry",
flavor)
else:
log.exception("Missing %s seed structure", flavor)
continue
for line in data:
if line.split(':')[0].strip() == 'supported':
break
else:
log.debug("No supported seed: %s", flavor)
continue
try:
f = urllib2.urlopen(os.path.join(url_base, 'supported'))
data = f.readlines()
f.close()
except urllib2.URLError:
log.exception("Missing %s supported seed", flavor)
continue
if (not data[0].startswith("Package")
or not data[1].startswith("---")
or not data[-1].startswith(" ")
or not data[-2].startswith("---")):
log.warning("Unexpected format of %s supported seed", flavor)
continue
data = data[2:-2]
for line in data:
package = line.split('|', 1)[0].strip()
seeded[package].add((flavor, 'supported'))
def main():
parser = optparse.OptionParser()
parser.add_option("-v", "--verbose", action="store_true", default=False,
help="Increase verbosity")
options, args = parser.parse_args()
logging.basicConfig(stream=sys.stderr,
level=(logging.DEBUG if options.verbose
else logging.WARNING))
seeded = collections.defaultdict(set)
read_manifests(seeded)
read_supported_seeds(seeded)
# gzip doesn't support with statemnts on 2.6
f = gzip.open('seeded.json.gz.new', 'w')
json.dump(seeded, f, cls=SetEncoder)
f.close()
os.rename('seeded.json.gz.new', 'seeded.json.gz')
if __name__ == '__main__':
main()
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