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winsparkle.py 2.88 KiB
"""
* Copyright (C) 2016 Savoir-faire Linux Inc.
*
* Author: Olivier Soldano <olivier.soldano@savoirfairelinux.com>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
import sys
import xml.etree.ElementTree as ET
from xml.dom import minidom
import datetime
from email.utils import formatdate
def sameDate(timestamp, pub):
date1 = timestamp.split()
date2 = pub.text.split()
return date1[:4] == date2[:4]
def insertNewPackage(parent_element, title, attrib):
now = datetime.datetime.now()
new_item = ET.Element("item")
titre = ET.SubElement(new_item,"titre")
titre.text = title + now.strftime("%Y/%m/%d %H:%M")
pubDate = ET.SubElement(new_item, "pubDate")
pubDate.text = formatdate()
enclosure = ET.SubElement(new_item, "enclosure", attrib=attrib)
parent_element.insert(4,new_item)
if __name__ == "__main__":
now = datetime.datetime.now()
now_timestamp = formatdate() # rfc 2822
sparkle_file = sys.argv[1]
title = sys.argv[2]
url = sys.argv[3]
os = sys.argv[4]
length = sys.argv[5]
ET.register_namespace('sparkle','http://www.andymatuschak.org/xml-namespaces/sparkle')
namespace = {'sparkle' : 'http://www.andymatuschak.org/xml-namespaces/sparkle'}
tree = ET.parse(sparkle_file)
channel = tree.find("channel")
attrib = {'url' : url,
'sparkle:version' : now.strftime("%Y%m%d"),
'sparkle:shortVersionString' : "nightly-" + now.strftime("%Y%m%d"),
'sparkle:os' : os,
'length' : length,
'type' : "application/octet-stream"
}
# remove all publications of the same day (but not same os)
for item in tree.findall(".//item"):
if sameDate(now_timestamp, item.find("pubDate")) and not\
item.find("./enclosure[@sparkle:os='%s']" % os, namespace) is None:
channel.remove(item)
insertNewPackage(channel, title, attrib)
# Pretty printing with xml dom
str_tree = ET.tostring(tree.getroot(),encoding='utf-8').decode('utf-8').replace('\n','').replace('\r','')
reparsed_doc = minidom.parseString(str_tree)
xml_out = open(sparkle_file,"wb")
xml_out.write(reparsed_doc.toprettyxml(indent=' ', newl='\n',encoding="utf-8"))
xml_out.close()