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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2023 Free Software Foundation <[email protected]>

# 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 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 <https://www.gnu.org/licenses/>.

from debian import changelog
import pandas as pd
import os
import sys
from dateutil import parser
import subprocess

def import_one(pkgname, fh):
    try:
        c = changelog.Changelog(fh)
        date = parser.parse(c.date).strftime('%Y-%m-%d')
        df = pd.DataFrame([{'_srcpkg':c.package, 'version':c.version, 'date':date, 'author':c.author}])
    except:
        return
    return (df)

def get_pkgname(path):
    (dir, base) = os.path.split(path)

    if base in ('current', 'stable_changelog'):
        return get_pkgname(dir)
    else:
        return base

def main():
    versions = []
    for path in subprocess.check_output("find metadata.ftp-master.debian.org -name stable_changelog".split()).strip().split():
        pkgname = get_pkgname(path)
        print pkgname, path
        data = import_one(pkgname, file(path))

        if data is not None:
            versions.append(data)
            
    versions = pd.concat(versions)
    print versions
    store = pd.HDFStore('cl.h5')
    store['cl_versions'] = versions
    store.close()

if __name__ == '__main__':
    main()