diff options
Diffstat (limited to 'extra/legacy')
| -rwxr-xr-x | extra/legacy/check-package-libraries.py | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/extra/legacy/check-package-libraries.py b/extra/legacy/check-package-libraries.py deleted file mode 100755 index bc2349b..0000000 --- a/extra/legacy/check-package-libraries.py +++ /dev/null @@ -1,193 +0,0 @@ -#!/usr/bin/env python3 -# Copyright (C) 2012 Michał Masłowski <mtjm@mtjm.eu> -# -# 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 3 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 Affero General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - - -""" -Check which libraries are provided or required by a package, store -this in a database, update and list broken packages. - -Dependencies: - -- Python 3.2 or later with SQLite 3 support - -- ``bsdtar`` - -- ``readelf`` -""" - - -import os.path -import re -import sqlite3 -import subprocess -import tempfile - - -#: Regexp matching an interesting dynamic entry. -_DYNAMIC = re.compile(r"^\s*[0-9a-fx]+" - "\s*\((NEEDED|SONAME)\)[^:]*:\s*\[(.+)\]$") - - -def make_db(path): - """Make a new, empty, library database at *path*.""" - con = sqlite3.connect(path) - con.executescript(""" -create table provided( - library varchar not null, - package varchar not null -); -create table used( - library varchar not null, - package varchar not null -); -""") - con.close() - - -def begin(database): - """Connect to *database* and start a transaction.""" - con = sqlite3.connect(database) - con.execute("begin exclusive") - return con - - -def add_provided(con, package, libraries): - """Write that *package* provides *libraries*.""" - for library in libraries: - con.execute("insert into provided (package, library) values (?,?)", - (package, library)) - - -def add_used(con, package, libraries): - """Write that *package* uses *libraries*.""" - for library in libraries: - con.execute("insert into used (package, library) values (?,?)", - (package, library)) - - -def remove_package(con, package): - """Remove all entries for a package.""" - con.execute("delete from provided where package=?", (package,)) - con.execute("delete from used where package=?", (package,)) - - -def add_package(con, package): - """Add entries from a named *package*.""" - # Extract to a temporary directory. This could be done more - # efficiently, since there is no need to store more than one file - # at once. - with tempfile.TemporaryDirectory() as temp: - tar = subprocess.Popen(("bsdtar", "xf", package, "-C", temp)) - tar.communicate() - with open(os.path.join(temp, ".PKGINFO")) as pkginfo: - for line in pkginfo: - if line.startswith("pkgname ="): - pkgname = line[len("pkgname ="):].strip() - break - # Don't list previously removed libraries. - remove_package(con, pkgname) - provided = set() - used = set() - # Search for ELFs. - for dirname, dirnames, filenames in os.walk(temp): - assert dirnames is not None # unused, avoid pylint warning - for file_name in filenames: - path = os.path.join(dirname, file_name) - with open(path, "rb") as file_object: - if file_object.read(4) != b"\177ELF": - continue - readelf = subprocess.Popen(("readelf", "-d", path), - stdout=subprocess.PIPE) - for line in readelf.communicate()[0].split(b"\n"): - match = _DYNAMIC.match(line.decode("ascii")) - if match: - if match.group(1) == "SONAME": - provided.add(match.group(2)) - elif match.group(1) == "NEEDED": - used.add(match.group(2)) - else: - raise AssertionError("unknown entry type " - + match.group(1)) - add_provided(con, pkgname, provided) - add_used(con, pkgname, used) - - -def init(arguments): - """Initialize.""" - make_db(arguments.database) - - -def add(arguments): - """Add packages.""" - con = begin(arguments.database) - for package in arguments.packages: - add_package(con, package) - con.commit() - con.close() - - -def remove(arguments): - """Remove packages.""" - con = begin(arguments.database) - for package in arguments.packages: - remove_package(con, package) - con.commit() - con.close() - - -def check(arguments): - """List broken packages.""" - con = begin(arguments.database) - available = set(row[0] for row - in con.execute("select library from provided")) - for package, library in con.execute("select package, library from used"): - if library not in available: - print(package, "needs", library) - con.close() - - -def main(): - """Get arguments and run the command.""" - from argparse import ArgumentParser - parser = ArgumentParser(prog="check-package-libraries.py", - description="Check packages for " - "provided/needed libraries") - parser.add_argument("-d", "--database", type=str, - help="Database file to use", - default="package-libraries.sqlite") - subparsers = parser.add_subparsers() - subparser = subparsers.add_parser(name="init", - help="initialize the database") - subparser.set_defaults(command=init) - subparser = subparsers.add_parser(name="add", - help="add packages to database") - subparser.add_argument("packages", nargs="+", type=str, - help="package files to add") - subparser.set_defaults(command=add) - subparser = subparsers.add_parser(name="remove", - help="remove packages from database") - subparser.add_argument("packages", nargs="+", type=str, - help="package names to remove") - subparser.set_defaults(command=remove) - subparser = subparsers.add_parser(name="check", - help="list broken packages") - subparser.set_defaults(command=check) - arguments = parser.parse_args() - arguments.command(arguments) - - -if __name__ == "__main__": - main() |