#!/usr/bin/env python
# encoding: utf-8

import urllib.request
from lxml import etree
import re, sys

archiveurl = "https://downloadarchive.documentfoundation.org/libreoffice/old/"
baseurl = "https://download.documentfoundation.org/libreoffice/"

def getlatestrel(basever):
    """Search in downloadarchive the latest version matching the baseversion indicated."""
    versionlist = etree.HTML(urllib.request.urlopen(archiveurl).read()).xpath('//td/a')
    # Getting a more polished matching list
    cleanlist = list(dict.fromkeys([x.strip('/') if x.startswith(basever) else None for x in versionlist]))
    # Removing None entries
    cleanlist.remove(None)
    # Sorting, then returning the last version
    return sorted(cleanlist)[-1]

if len(sys.argv) > 1:
    # A version has been specified.
    version = sys.argv[1]
    if '.' in version:
        # Numbered version.
        # Let's check it is a 4 dotted release
        if not len(version.split('.')) == 4:
            version = getlatestrel(version)
    else:
        # string version
        if version == 'still':
        elif version == 'fresh':
        elif version == 'daily':


# Running for stable channel
html_stable = urllib.request.urlopen(baseurl + 'stable/').read()

# Processing page content
stable_contents = etree.HTML(html_stable)

# Processing first page links
stable_versions = []
for link in stable_contents.xpath('//td/a'):
    next if link.text == "Parent Directory"

    stable_versions.append(link.get('href').replace('/', '')

    # getting URL for specific versions
    for arch in [ 'x86', 'x86_64' ]:
        newurl = baseurl + 'stable/' + link.get('href') + 'deb/' + arch + '/'
        res = etree.HTML(urllib.request.urlopen(newurl).read()).xpath("//td/a")
        if len(res) == 1:
            # No packages provided
            next

        for link in res:
            next if res.text == 'Parent Directory'
            next if re.search(r'deb.tar.gz$', res.text):
                # Matches a package - good.
                # Checking for language packs and offline help