move to use elementtree
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98a1737764
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B37E62D143879B36
@ -8,10 +8,15 @@ import os
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import argparse
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import time
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import binascii
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# The old yum-utils repo-rss used string manipulation. We're instead going to
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# use the XML python library to do the work for us. This is cleaner, imo.
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from xml.sax.saxutils import escape as xmlescape
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from xml.etree.ElementTree import ElementTree, TreeBuilder, tostring
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from xml.dom import minidom
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import dnf
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import dnf.exceptions
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#from dnf.comps import Comps
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import libxml2
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#import libxml2
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def to_unicode(string: str) -> str:
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"""
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@ -43,6 +48,8 @@ class DnfQuiet(dnf.Base):
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else:
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available = self.sack.query().available().filter(latest_per_arch=1)
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available.run()
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for package in available:
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ftime = int(package.buildtime)
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if ftime > recentlimit:
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@ -60,108 +67,126 @@ class DnfQuiet(dnf.Base):
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class RepoRSS:
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def __init__(self, filename='repo-rss.xml'):
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self.description = 'Repository RSS'
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self.link = 'http://dnf.baseurl.org'
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self.link = 'https://github.com/rpm-software-management/dnf'
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self.title = 'Recent Packages'
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self.do_file(filename)
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self.do_doc()
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def do_doc(self):
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self.doc = libxml2.newDoc('1.0')
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self.xmlescape = self.doc.encodeEntitiesReentrant
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rss = self.doc.newChild(None, 'rss', None)
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rss.setProp('version', '2.0')
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self.rssnode = rss.newChild(None, 'channel', None)
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def do_file(self, filename):
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if filename[0] != '/':
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cwd = os.getcwd()
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self.filename = os.path.join(cwd, filename)
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else:
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self.filename = filename
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try:
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self.file_open = open(self.filename, 'w+')
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except IOError as exc:
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print(f'Error opening file {self.filename}: {exc}', file=sys.stderr)
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sys.exit(1)
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def rsspackage(self, package):
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rfc822_format = "%a, %d %b %Y %X GMT"
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changelog_format = "%a, %d %b %Y GMT"
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package_hex = binascii.hexlify(package.chksum[1]).decode()
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item = self.rssnode.newChild(None, 'item', None)
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title = self.xmlescape(str(package))
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description = package.description
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item.newChild(None, 'title', title)
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date = time.gmtime(float(package.buildtime))
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item.newChild(None, 'pubDate', time.strftime(rfc822_format, date))
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# pylint: disable=line-too-long
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item.newChild(None, 'guid', package_hex).setProp("isPermaLink", "false")
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link = package.remote_location()
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item.newChild(None, 'link', self.xmlescape(link))
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changelog = ''
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count = 0
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if package.changelogs is not None:
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changelog_list = package.changelogs
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else:
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changelog_list = []
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for meta in changelog_list:
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count += 1
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if count > 3:
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changelog += '...'
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break
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date = meta['timestamp'].strftime(changelog_format)
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author = meta['author']
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desc = meta['text']
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changelog += f'{date} - {author}\n{desc}\n\n'
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# pylint: disable=line-too-long,consider-using-f-string
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description = '<p><strong>{}</strong> - {}</p>\n\n'.format(self.xmlescape(package.name), self.xmlescape(package.summary))
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description += '<p>%s</p>\n\n<p><strong>Change Log:</strong></p>\n\n' % self.xmlescape(description.replace("\n", "<br />\n"))
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description += self.xmlescape('<pre>%s</pre>' % self.xmlescape(changelog))
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item.newChild(None, 'description', description)
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return item
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def start_rss(self):
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"""return string representation of rss preamble"""
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def rsspackage(self, packages):
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file = self.filename
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rfc822_format = "%a, %d %b %Y %X GMT"
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now = time.strftime(rfc822_format, time.gmtime())
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rssheader = f"""<?xml version="1.0" encoding="utf-8"?>
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<rss version="2.0">
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<channel>
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<title>{self.title}</title>
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<link>{self.link}</link>
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<description>{self.description}</description>
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<pubDate>{now}</pubDate>
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<generator>DNF</generator>
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"""
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etbobj = TreeBuilder()
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# start rss
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etbobj.start('rss', {'version': '2.0'})
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# start channel
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etbobj.start('channel', {})
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# start title
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etbobj.start('title', {})
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etbobj.data(self.title)
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etbobj.end('title')
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# end title
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# start link
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etbobj.start('link', {})
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etbobj.data(self.link)
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etbobj.end('link')
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# end link
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# start description
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etbobj.start('description', {})
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etbobj.data(self.description)
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etbobj.end('description')
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# end description
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# start pubDate
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etbobj.start('pubDate', {})
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etbobj.data(now)
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etbobj.end('pubDate')
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# end pubDate
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# start generator
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etbobj.start('generator', {})
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etbobj.data('DNF')
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etbobj.end('generator')
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# end generator
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self.file_open.write(rssheader)
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rfc822_format = "%a, %d %b %Y %X GMT"
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changelog_format = "%a, %d %b %Y GMT"
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for package in packages:
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package_hex = binascii.hexlify(package.chksum[1]).decode()
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title = xmlescape(str(package))
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date = time.gmtime(float(package.buildtime))
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description = package.description
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link = package.remote_location()
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# form description
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changelog = ''
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count = 0
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if package.changelogs is not None:
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changelog_list = package.changelogs
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else:
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changelog_list = []
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for meta in changelog_list:
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count += 1
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if count > 3:
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changelog += '...'
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break
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date = meta['timestamp'].strftime(changelog_format)
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author = meta['author']
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desc = meta['text']
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changelog += f'{date} - {author}\n{desc}\n\n'
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description = f'<p><strong>{package.name}</strong> - {package.summary}</p>\n\n'
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description += '<p>%s</p>\n\n<p><strong>Change Log:</strong></p>\n\n' % description.replace("\n", "<br />\n")
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description += f'<pre>{changelog}</pre>'
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def do_package(self, package):
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item = self.rsspackage(package)
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self.file_open.write(item.serialize("utf-8", 1))
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item.unlinkNode()
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item.freeNode()
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del item
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# start item
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etbobj.start('item', {})
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# start title
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etbobj.start('title', {})
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etbobj.data(title)
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etbobj.end('title')
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# end title
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# start pubDate
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etbobj.start('pubDate', {})
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etbobj.data(date)
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etbobj.end('pubDate')
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# end pubDate
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# start guid
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etbobj.start('guid', {'isPermaLink': 'false'})
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etbobj.data(package_hex)
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etbobj.end('guid',)
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# end guid
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# start link
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etbobj.start('link', {})
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etbobj.data(link)
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etbobj.end('link')
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# end link
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# start description
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etbobj.start('description', {})
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etbobj.data(xmlescape(description))
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etbobj.end('description')
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# end description
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etbobj.end('item')
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# end item
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def close_rss(self):
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end="\n </channel>\n</rss>\n"
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self.file_open.write(end)
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self.file_open.close()
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del self.file_open
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self.doc.freeDoc()
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del self.doc
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etbobj.end('channel')
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# end channel
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etbobj.end('rss')
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# end rss
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rss = etbobj.close()
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etree = ElementTree(rss)
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some_string = tostring(etree.getroot(), encoding='utf-8')
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xmlstr = minidom.parseString(some_string).toprettyxml(indent=" ")
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#etree.write(file, encoding='utf-8')
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with open(file, 'w+', encoding='utf-8') as f:
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f.write(xmlstr)
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f.close()
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def make_rss_feed(filename, title, link, description, recent, dnfobj):
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def make_rss_feed(filename, title, link, description, recent):
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rssobj = RepoRSS(filename)
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rssobj.title = title
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rssobj.link = link
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rssobj.description = description
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rssobj.start_rss()
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if len(recent) > 0:
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for package in recent:
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rssobj.do_package(package)
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rssobj.close_rss()
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rssobj.rsspackage(recent)
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def main(options):
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days = options.days
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@ -198,7 +223,7 @@ def main(options):
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repoobj.load_metadata_other = True
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print('Getting repo data')
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print('Getting repo data for requested repos')
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try:
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dnfobj.fill_sack()
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except:
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@ -206,10 +231,13 @@ def main(options):
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sys.exit(1)
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sack_query = dnfobj.sack.query().available()
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recent = sack_query.filter(latest_per_arch=1)
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sorted_recents = sorted(set(recent.run()), key=lambda pkg: pkg.buildtime)
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#recent = sack_query.filter(latest_per_arch=1)
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recent = dnfobj.get_recent(days=days)
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#sorted_recents = sorted(set(recent.run()), key=lambda pkg: pkg.buildtime)
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sorted_recents = sorted(set(recent), key=lambda pkg: pkg.buildtime)
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sorted_recents.reverse()
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make_rss_feed(options.filename, options.title, options.link, options.description, sorted_recents, dnfobj)
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make_rss_feed(options.filename, options.title, options.link,
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options.description, sorted_recents)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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