dnf-search.py

dnf-search.py

#! /usr/bin/python3
import sys
import subprocess
import functools
from optparse import OptionParser

def dnf_search(keyword):
    SEPARATOR = ' : '
    text = subprocess.check_output(['dnf', 'search', '--all', keyword]).decode('utf-8')
    prev_name = ''
    packages = []
    descriptions = {}
    for line in text.splitlines()[2:]:
        if (line[0].isspace()):
            descriptions[prev_name].append(line)
        else:
            name, _ = line.split(SEPARATOR, 1)
            packages.append(name);
            descriptions[name] = [line]
            prev_name = name;
    return packages, descriptions

def and_filter(x, y):
    return [ i for i in x if i in y ]

def main():
    usage = "Usage: %prog [options] PATTERN ..."
    parser = OptionParser(usage=usage)
    options, args = parser.parse_args()
    if len(args) < 1:
        parser.print_help()
        exit(1)
    try:
        packages, descriptions = dnf_search(sys.argv[1])
        matches = [ dnf_search(x)[0] for x in sys.argv[2:] ]
        packages = sorted(functools.reduce(and_filter, matches, packages))
        for p in packages:
            for d in descriptions[p]:
                print(d)
    except subprocess.CalledProcessError:
        return 1;
    return 0;

if __name__ == '__main__':
    exit(main())