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# Copyright (C) 2000-2014 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
A GraphXML logger.
"""
from .xmllog import _XMLLogger
from .graph import _GraphLogger
class GraphXMLLogger(_XMLLogger, _GraphLogger):
"""XML output mirroring the GML structure. Easy to parse with any XML
tool."""
LoggerName = 'gxml'
LoggerArgs = {
"filename": "linkchecker-out.gxml",
}
def __init__(self, **kwargs):
"""Initialize graph node list and internal id counter."""
args = self.get_args(kwargs)
super().__init__(**args)
self.nodes = {}
self.nodeid = 0
def start_output(self):
"""Write start of checking info as xml comment."""
super().start_output()
self.xml_start_output()
self.xml_starttag('GraphXML')
self.xml_starttag('graph', attrs={"isDirected": "true"})
self.flush()
def log_url(self, url_data):
"""Write one node and all possible edges."""
node = self.get_node(url_data)
if node:
self.xml_starttag('node', attrs={"name": "%d" % node["id"]})
self.xml_tag("label", node["label"])
if self.has_part("realurl"):
self.xml_tag("url", node["url"])
self.xml_starttag("data")
if node["dltime"] >= 0 and self.has_part("dltime"):
self.xml_tag("dltime", "%f" % node["dltime"])
if node["size"] >= 0 and self.has_part("dlsize"):
self.xml_tag("size", "%d" % node["size"])
if node["checktime"] and self.has_part("checktime"):
self.xml_tag("checktime", "%f" % node["checktime"])
if self.has_part("extern"):
self.xml_tag("extern", "%d" % node["extern"])
self.xml_endtag("data")
self.xml_endtag("node")
def write_edge(self, node):
"""Write one edge."""
attrs = {
"source": "%d" % self.nodes[node["parent_url"]]["id"],
"target": "%d" % node["id"],
}
self.xml_starttag("edge", attrs=attrs)
self.xml_tag("label", node["label"])
self.xml_starttag("data")
if self.has_part("result"):
self.xml_tag("valid", "%d" % node["valid"])
self.xml_endtag("data")
self.xml_endtag("edge")
def end_output(self, **kwargs):
"""Finish graph output, and print end of checking info as xml
comment."""
self.xml_endtag("graph")
self.xml_endtag("GraphXML")
self.xml_end_output()
self.close_fileoutput()
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