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loappimage-helpers/loaih/versions.py

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#!/usr/bin/env python
# encoding: utf-8
import urllib.request
from lxml import etree
from packaging.version import parse as parse_version
class BuildVersion(object):
ARCHIVE = "https://downloadarchive.documentfoundation.org/libreoffice/old/"
RELEASE = "https://download.documentfoundation.org/libreoffice/stable/"
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DAILY = "https://dev-builds.libreoffice.org/daily/master/Linux-rpm_deb-x86_64@tb87-TDF/"
PRERELEASE = "https://dev-builds.libreoffice.org/pre-releases/deb/x86_64/"
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def __init__(self, query):
self.query = query
self.version = ''
self.basedirurl = {}
# Parsing the query input.
if '.' in self.query:
# Numbered self.version. Let's check it is a 4 dotted release
if len(self.query.split('.')) == 4:
self.version = self.query
else:
# If not 4 dotted, let's search for the 4 dotted version
self.version = self.__getlatestrel(self.query)
self.basedirurl = self.__getbaseurl(self.version)
else:
# String self.versions.
a = self.__getbranchrel(self.query)
self.version = a['version']
self.basedirurl = a['basedirurl']
def __getlatestrel(self, basever):
"""Search in downloadarchive for the latest version matching baseversion."""
versionlist = etree.HTML(urllib.request.urlopen(BuildVersion.ARCHIVE).read()).xpath('//td/a')
# Getting a more polished matching list
cleanlist = list(dict.fromkeys([x.text.strip('/') for x in versionlist if x.text.startswith(basever)]))
# Sorting, then returning the last version
return sorted(cleanlist)[-1]
def __getbranchrel(self, branch):
"""Based on branch names, get the release number."""
basedirurl = {}
version = ''
if branch == 'daily':
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# The daily builds can be mostly distinguished by the day of build
# (official version is constant.
# The last built version is the next-to-last version [-2] on the page.
fulldailypath = etree.HTML(urllib.request.urlopen(BuildVersion.DAILY).read()).xpath('//td/a')[-2].text
dailyversion = fulldailypath.split('_')[0].replace('-', '')
version
newurl = str.join('/', [ BuildVersion.DAILY, fulldailypath, '' ])
basedirurl = { u'x86_64': newurl, u'x86': '-' }
version = etree.HTML(urllib.request.urlopen(newurl).read()).xpath('//td/a')[1].text.split('_')[1]
return { 'version': version + '-' + dailyversion, 'basedirurl': basedirurl }
if branch == 'prerelease':
version = etree.HTML(urllib.request.urlopen(BuildVersion.PRERELEASE).read()).xpath('//td/a')[1].text.split('_')[1]
basedirurl = { u'x86': '-', u'x86_64': BuildVersion.PRERELEASE }
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return { 'version': version, 'basedirurl': basedirurl }
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# Stable releases.
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versions = etree.HTML(urllib.request.urlopen(BuildVersion.RELEASE).read()).xpath('//td/a')
index = 1
if branch == 'still':
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index = -2
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elif branch == 'fresh':
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index = -1
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version = self.__getlatestrel(versions[index].text.strip('/'))
return { 'version': version, 'basedirurl': self.__getbaseurl(version) }
def __getbaseurl(self, version):
"""Returns the links based on the numeric version."""
basedirurl = {}
url = BuildVersion.ARCHIVE + '/' + version + '/deb/'
# x86 binaries are not anymore offered after 6.3.0.
if parse_version(version) < parse_version('6.3.0'):
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basedirurl[u'x86'] = url + 'x86/'
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else:
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basedirurl[u'x86'] = '-'
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basedirurl[u'x86_64'] = url + 'x86_64/'
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return basedirurl