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#!/usr/bin/python
# list-queue -- list security-master queue contents
# Copyright (C) 2011 Florian Weimer <fw@deneb.enyo.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# This script is intended to be run on security-master to get an
# unprocessed dump of the contents of the embargoed and unembargoed
# queues.
#
# The script reads .deb files. A caching database is written to
# ~/.cache.
######################################################################
# Configuration
DIRECTORIES = ('/org/security-master.debian.org/queue/embargoed',
'/org/security-master.debian.org/queue/unembargoed')
# End Configuration
######################################################################
import sys
import os.path
def setup_path():
dirname = os.path.dirname
base = dirname(dirname(os.path.realpath(sys.argv[0])))
sys.path.insert(0, os.path.join(base, "lib", "python"))
setup_path()
import sqlite3
import json
from debian.debfile import DebFile
from debian.deb822 import Changes
import debian_support
def createdb():
cache = os.path.expanduser("~/.cache")
if not os.path.isdir(cache):
os.mkdir(cache)
dbfile = os.path.join(cache, "secure-testing_list-queue.sqlite")
db = sqlite3.connect(dbfile, isolation_level="IMMEDIATE")
db.execute("PRAGMA page_size = 4096")
db.execute("PRAGMA journal_mode = WAL")
db.execute("""CREATE TABLE IF NOT EXISTS package (
path TEXT NOT NULL PRIMARY KEY,
size INTEGER NOT NULL CHECK (size >= 0),
mtime INTEGER NOT NULL CHECK (size >= 0),
name TEXT NOT NULL,
version TEXT NOT NULL,
arch TEXT NOT NULL,
source TEXT NOT NULL,
source_version TEXT NOT NULL
)""")
db.execute("""CREATE TABLE IF NOT EXISTS changes (
path TEXT NOT NULL PRIMARY KEY,
size INTEGER NOT NULL CHECK (size >= 0),
mtime INTEGER NOT NULL CHECK (size >= 0),
dist TEXT NOT NULL,
debs TEXT NOT NULL
)""")
return db
def readdirs():
"""Returns two dicts, mapping paths to pairs (SIZE, MTIME).
First dict is for .deb files, second is for .changes files."""
debs = {}
changes = {}
for path in DIRECTORIES:
for entry in os.listdir(path):
if entry.startswith("."):
continue
name = os.path.join(path, entry)
stat = os.stat(name)
where = None
if entry.endswith(".deb"):
where = debs
elif entry.endswith(".changes"):
where = changes
if where is not None:
where[name] = (stat.st_size, stat.st_mtime)
return (debs, changes)
def readpackages(db):
result = {}
for row in db.execute("SELECT * FROM package"):
name, size, mtime = row[0:3]
pkg = debian_support.BinaryPackage(row[3:])
result[name] = (size, mtime, pkg)
return result
def readchanges(db):
result = {}
for name, size, mtime, dist, debs in db.execute("SELECT * FROM changes"):
result[name] = (size, mtime, dist, set(debs.split()))
return result
def deletepaths(db, table, paths):
db.executemany("DELETE FROM " + table + " WHERE path = ?", paths)
def prepareupdate(db, ondisk, indb, table):
need_update = [(path, stat) for (path, stat) in ondisk.items()
if path not in indb or stat <> tuple(indb[path][0:2])]
db.executemany("DELETE FROM " + table + " WHERE path = ?",
((path,) for path, _ in need_update))
return need_update
def expire(db, ondisk, indb, table):
need_delete = [(path,) for path in indb if path not in ondisk]
db.executemany("DELETE FROM " + table + " WHERE path = ?", need_delete)
for (path,) in need_delete:
del indb[path]
def updatepackages(db, ondisk):
"""Updates the package table from the file system.
Returns the current list of package objects, in arbitary order.
"""
indb = readpackages(db)
expire(db, ondisk, indb, "package")
# Update the cache in indb and the database
need_update = prepareupdate(db, ondisk, indb, "package")
def do_update():
for (path, stat) in need_update:
deb = DebFile(path)
pkg = debian_support.BinaryPackage()
pkg.load822(deb.debcontrol())
indb[path] = stat + (pkg,)
yield (path,) + stat + pkg.astuple()
db.executemany("INSERT INTO package VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
do_update())
# Return a list of BinaryPackage objects
return [item[2] for item in indb.values()]
def updatechanges(db, ondisk):
"""Updates the package table from the file system.
Returns the current list of changes objects, in arbitary order.
Change objects are pairs (DISTRIBUTION, SET-OF-DEBS)
"""
indb = readchanges(db)
expire(db, ondisk, indb, "changes")
# Update the cache in indb and the database
need_update = prepareupdate(db, ondisk, indb, "changes")
def do_update():
for (path, stat) in need_update:
changes = Changes(file(path))
try:
dist = changes["Distribution"]
debs = set(pkg["name"] for pkg in changes["Checksums-Sha1"])
except KeyError, e:
raise IOError("missing key in " + repr(path) + ": "
+ repr(e.args[0]))
indb[path] = stat + (dist, debs)
yield (path,) + stat + (dist, " ".join(sorted(debs)),)
db.executemany("INSERT INTO changes VALUES (?, ?, ?, ?, ?)", do_update())
return [tuple(row[2:]) for row in indb.values()]
def main():
db = createdb()
debs, changes = readdirs()
debs = updatepackages(db, debs)
changes = updatechanges(db, changes)
for c in changes:
print repr(c)
result = {
"version" : 1,
"binary" : [pkg.astuple() for pkg in debs],
"changes" : [[dist, sorted(debs)] for dist, debs in changes],
}
db.commit()
print json.dumps(result)
main()
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