~fredg/twadeb

ref: 2a4e708ffa89359942029032d59a6514b9e13074 twadeb/twadeb.py -rwxr-xr-x 3.6 KiB
2a4e708f — alienus make --full a list of list 8 years ago
                                                                                
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#!/usr/bin/env python3
#
#       twadeb.py
#
#       Copyright 2014 Frédéric Galusik <alienus~at~riseup~dot~net>
#
#
# License: BSD Revised
#
# Use the dpkg.log file to show last installed packages
#
#
import os
import sys
import gzip
import re
import glob
import argparse
from time import gmtime, strftime
import socket
import subprocess

# Program information
my_url = 'https://gitlab.com/alienus/twadeb'
my_name = 'twadeb'
my_version = '0.0.0'

# Parse the CLI options
parser = argparse.ArgumentParser(
        prog='twadeb',
        description='Manage your last installed packages',
        epilog="i.e. twadeb -l 20")

parser.add_argument('-t', '--today', action="store_true",
        default=False,
        help='show today installed/upgraded packages')

parser.add_argument('-l', '--list', action="store",
        dest='nb', default='10000',
        help='list last NB installed/upgraded packages')

parser.add_argument('-f', '--full', action="store_true",
        default=False,
        help='detailed list last NB installed/upgraded packages')

parser.add_argument('--version', action='version',
        version='%(prog)s ' + my_version)

if len(sys.argv) == 1:
    sys.exit('Wrong usage, see twadeb --help')

args = parser.parse_args()


# vars
dpkglog = '/tmp/dpkg.twadeb'
alldpkg = '/var/log/dpkg.*'
nb = int(args.nb)
full = args.full
today = args.today
#
#
#


def dpkgFiles(sumOfDpkgFiles, targetFile):
    try:
        os.remove(targetFile)
    except:
        print("No", targetFile)
    finally:
        fout = open(targetFile, 'a')
        # list all dpkg.log files (usually 1 per month)
        listFiles = sorted(glob.glob(sumOfDpkgFiles))
        # concatenate all dpkg.log files
        for l in listFiles:
            # reverse files content to well format files concatenation
            if l.endswith(".gz"):
                with gzip.open(l, 'rt') as s:
                    for li in reversed(list(s)):
                        fout.write(li)
            else:
                with open(l, 'r') as s:
                    for li in reversed(list(s)):
                        fout.write(li)


def parseLine(line):
    try:
        date, time, keyword, package, verbef, ver = line.split()
        res = (date, time, keyword, package, verbef, ver)
    except:
        res = None
    return res


def parseFile(nameOfFile):
    with open(nameOfFile, 'r') as f:
        for line in f:
            res = parseLine(line)
            if res:
                date, time, keyword, package, verbef, ver = res
                if keyword == 'upgrade' or keyword == 'install':
                    yield res


def fullInf():
    if full and not today:
        print(socket.gethostname(), ':', \
              strftime("%Y-%m-%d %H:%M:%S"), '--', nbPkgs, 'packages')
        print('-' * 72)


def lastNpkgs(nb):
    lPkg = []
    global rPkg
    rPkg = []
    for infos in parseFile(dpkglog):
        lPkg.append(infos)
    nbPkgs = len(lPkg)
    lPkg = lPkg[0:nb]
    for elt in lPkg:
        date, time, keyword, package, verbef, ver = elt
        if today:
            nb = nbPkgs
            if date == strftime("%Y-%m-%d"):
                rPkg.append(package)
        elif full:
            keyword = keyword.replace('install', 'I').replace('upgrade', 'U')
            rPkg.append([keyword, date, time, package, ver])
        else:
            rPkg.append(package)


if __name__ == '__main__':
    # Build the dpkglog file (/tmp/dpkg.twadeb)
    dpkgFiles(alldpkg, dpkglog)
    #
    if full and today:
        sys.exit(\
            'full option is useless with the today one, aborting...')
    lastNpkgs(nb)
    for p in rPkg:
        print(p)