linkchecker/linkcheck/logger/xmllog.py
2009-02-18 16:14:50 +00:00

130 lines
4 KiB
Python

# -*- coding: iso-8859-1 -*-
# Copyright (C) 2000-2009 Bastian Kleineidam
#
# 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
"""
Base class for XML loggers.
"""
import time
import xml.sax.saxutils
from . import Logger
from .. import configuration, strformat
xmlattr_entities = {
"&": "&",
"<": "&lt;",
">": "&gt;",
"\"": "&quot;",
}
def xmlquote (s):
"""
Quote characters for XML.
"""
return xml.sax.saxutils.escape(s)
def xmlquoteattr (s):
"""
Quote XML attribute, ready for inclusion with double quotes.
"""
return xml.sax.saxutils.escape(s, xmlattr_entities)
class XMLLogger (Logger):
"""XML output; easy to parse with any XML tool."""
def __init__ (self, **args):
"""
Initialize graph node list and internal id counter.
"""
super(XMLLogger, self).__init__(**args)
self.init_fileoutput(args)
self.indent = u" "
self.level = 0
def comment (self, s, **args):
"""
Write XML comment.
"""
self.write(u"<!-- ")
self.write(s, **args)
self.writeln(u" -->")
def xml_start_output (self):
"""
Write start of checking info as xml comment.
"""
self.starttime = time.time()
self.writeln(u'<?xml version="1.0" encoding="%s"?>' %
xmlquoteattr(self.output_encoding))
if self.has_part("intro"):
self.comment(_("created by %(app)s at %(time)s") %
{"app": configuration.AppName,
"time": strformat.strtime(self.starttime)})
self.comment(_("Get the newest version at %(url)s") %
{'url': configuration.Url})
self.comment(_("Write comments and bugs to %(email)s") %
{'email': configuration.Email})
self.check_date()
self.writeln()
def xml_end_output (self):
"""
Write end of checking info as xml comment.
"""
if self.has_part("outro"):
self.stoptime = time.time()
duration = self.stoptime - self.starttime
self.comment(_("Stopped checking at %(time)s (%(duration)s)") %
{"time": strformat.strtime(self.stoptime),
"duration": strformat.strduration_long(duration)})
def xml_starttag (self, name, attrs=None):
"""
Write XML start tag.
"""
self.write(self.indent*self.level)
self.write(u"<%s" % xmlquote(name))
if attrs:
for name, value in attrs.items():
args = (xmlquote(name), xmlquoteattr(value))
self.write(u' %s="%s"' % args)
self.writeln(u">");
self.level += 1
def xml_endtag (self, name):
"""
Write XML end tag.
"""
self.level -= 1
assert self.level >= 0
self.write(self.indent*self.level)
self.writeln(u"</%s>" % xmlquote(name))
def xml_tag (self, name, content, attrs=None):
"""
Write XML tag with content.
"""
self.write(self.indent*self.level)
self.write(u"<%s" % xmlquote(name))
if attrs:
for aname, avalue in attrs.items():
args = (xmlquote(aname), xmlquoteattr(avalue))
self.write(u' %s="%s"' % args)
self.writeln(u">%s</%s>" % (xmlquote(content), xmlquote(name)))