mirror of
https://github.com/Hopiu/linkchecker.git
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79 lines
3 KiB
Python
79 lines
3 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2005-2010 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""
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A DOT graph format logger. The specification has been taken from
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http://www.graphviz.org/doc/info/lang.html
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"""
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from .graph import GraphLogger
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class DOTLogger (GraphLogger):
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"""
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Generates .dot sitemap graphs. Use graphviz to see the sitemap graph.
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"""
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def start_output (self):
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"""Write start of checking info as DOT comment."""
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super(DOTLogger, self).start_output()
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if self.has_part("intro"):
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self.write_intro()
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self.writeln()
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self.writeln(u"digraph G {")
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self.writeln(u" graph [")
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self.writeln(u" charset=\"%s\"," % self.output_encoding)
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self.writeln(u" ];")
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self.flush()
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def comment (self, s, **args):
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"""Write DOT comment."""
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self.write(u"// ")
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self.writeln(s=s, **args)
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def log_url (self, url_data):
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"""Write one node."""
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node = self.get_node(url_data)
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if node is not None:
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self.writeln(u' "%s" [' % dotquote(node["label"]))
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if self.has_part("realurl"):
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self.writeln(u' href="%s",' % dotquote(node["url"]))
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if node["dltime"] >= 0 and self.has_part("dltime"):
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self.writeln(u" dltime=%d," % node["dltime"])
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if node["dlsize"] >= 0 and self.has_part("dlsize"):
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self.writeln(u" dlsize=%d," % node["dlsize"])
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if node["checktime"] and self.has_part("checktime"):
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self.writeln(u" checktime=%d," % node["checktime"])
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if self.has_part("extern"):
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self.writeln(u" extern=%d," % node["extern"])
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self.writeln(u" ];")
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def write_edge (self, node):
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"""Write edge from parent to node."""
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source = dotquote(self.nodes[node["parent_url"]]["label"])
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target = dotquote(node["label"])
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self.writeln(u' "%s" -> "%s" [' % (source, target))
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self.writeln(u' label="%s",' % dotquote(node["edge"]))
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if self.has_part("result"):
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self.writeln(u" valid=%d," % node["valid"])
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self.writeln(u" ];")
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def end_graph (self):
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"""Write end of graph marker."""
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self.writeln(u"}")
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def dotquote (s):
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return s.replace('"', '\\"')
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