/usr/lib/python2.7/dist-packages/bzrlib/plugins/bzrtools/dotgraph.py is in bzrtools 2.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 | # Copyright (C) 2004, 2005 Aaron Bentley
# <aaron@aaronbentley.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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from subprocess import Popen, PIPE
import os.path
import errno
import tempfile
import shutil
RSVG_OUTPUT_TYPES = ('png', 'jpg')
DOT_OUTPUT_TYPES = ('svg', 'svgz', 'gif', 'jpg', 'ps', 'fig', 'mif', 'png',
'cmapx')
class NoDot(Exception):
def __init__(self):
Exception.__init__(self, "Can't find dot!")
class NoRsvg(Exception):
def __init__(self):
Exception.__init__(self, "Can't find rsvg!")
class Node(object):
def __init__(self, name, color=None, label=None, rev_id=None,
cluster=None, node_style=None, date=None, message=None):
self.name = name
self.color = color
self.label = label
self.committer = None
self.rev_id = rev_id
if node_style is None:
self.node_style = []
self.cluster = cluster
self.rank = None
self.date = date
self.message = message
self.href = None
@staticmethod
def get_attribute(name, value):
if value is None:
return ''
value = value.replace("\\", "\\\\")
value = value.replace('"', '\\"')
value = value.replace('\n', '\\n')
return '%s="%s"' % (name, value)
def define(self):
attributes = []
style = []
if self.color is not None:
attributes.append('fillcolor="%s"' % self.color)
style.append('filled')
style.extend(self.node_style)
if len(style) > 0:
attributes.append('style="%s"' % ",".join(style))
label = self.label
if label is not None:
attributes.append('label="%s"' % label)
attributes.append('shape="box"')
tooltip = None
if self.message is not None:
tooltip = self.message
attributes.append(self.get_attribute('tooltip', tooltip))
if self.href is not None:
attributes.append('href="%s"' % self.href)
elif tooltip:
attributes.append('href="#"')
if len(attributes) > 0:
return '%s[%s]' % (self.name, " ".join(attributes))
def __str__(self):
return self.name
class Edge(object):
def __init__(self, start, end, label=None):
object.__init__(self)
self.start = start
self.end = end
self.label = label
def dot(self, do_weight=False):
attributes = []
if self.label is not None:
attributes.append(('label', self.label))
if do_weight:
weight = '0'
if self.start.cluster == self.end.cluster:
weight = '1'
elif self.start.rank is None:
weight = '1'
elif self.end.rank is None:
weight = '1'
attributes.append(('weight', weight))
if len(attributes) > 0:
atlist = []
for key, value in attributes:
atlist.append("%s=\"%s\"" % (key, value))
pq = ' '.join(atlist)
op = "[%s]" % pq
else:
op = ""
return "%s->%s%s;" % (self.start.name, self.end.name, op)
def make_edge(relation):
if hasattr(relation, 'start') and hasattr(relation, 'end'):
return relation
return Edge(relation[0], relation[1])
def dot_output(relations, ranking="forced"):
defined = {}
yield "digraph G\n"
yield "{\n"
clusters = set()
edges = [make_edge(f) for f in relations]
def rel_appropriate(start, end, cluster):
if cluster is None:
return (start.cluster is None and end.cluster is None) or \
start.cluster != end.cluster
else:
return start.cluster==cluster and end.cluster==cluster
for edge in edges:
if edge.start.cluster is not None:
clusters.add(edge.start.cluster)
if edge.end.cluster is not None:
clusters.add(edge.end.cluster)
clusters = list(clusters)
clusters.append(None)
for index, cluster in enumerate(clusters):
if cluster is not None and ranking == "cluster":
yield "subgraph cluster_%s\n" % index
yield "{\n"
yield ' label="%s"\n' % cluster
for edge in edges:
if edge.start.name not in defined and edge.start.cluster == cluster:
defined[edge.start.name] = edge.start
my_def = edge.start.define()
if my_def is not None:
yield " %s\n" % my_def
if edge.end.name not in defined and edge.end.cluster == cluster:
defined[edge.end.name] = edge.end
my_def = edge.end.define()
if my_def is not None:
yield " %s;\n" % my_def
if rel_appropriate(edge.start, edge.end, cluster):
yield " %s\n" % edge.dot(do_weight=ranking=="forced")
if cluster is not None and ranking == "cluster":
yield "}\n"
if ranking == "forced":
ranks = {}
for node in defined.itervalues():
if node.rank not in ranks:
ranks[node.rank] = set()
ranks[node.rank].add(node.name)
sorted_ranks = [n for n in ranks.iteritems()]
sorted_ranks.sort()
last_rank = None
for rank, nodes in sorted_ranks:
if rank is None:
continue
yield 'rank%d[style="invis"];\n' % rank
if last_rank is not None:
yield 'rank%d -> rank%d[style="invis"];\n' % (last_rank, rank)
last_rank = rank
for rank, nodes in ranks.iteritems():
if rank is None:
continue
node_text = "; ".join('"%s"' % n for n in nodes)
yield ' {rank = same; "rank%d"; %s}\n' % (rank, node_text)
yield "}\n"
def invoke_dot_aa(input, out_file, file_type='png'):
"""\
Produce antialiased Dot output, invoking rsvg on an intermediate file.
rsvg only supports png, jpeg and .ico files."""
tempdir = tempfile.mkdtemp()
try:
temp_file = os.path.join(tempdir, 'temp.svg')
invoke_dot(input, temp_file, 'svg')
cmdline = ['rsvg-convert', temp_file, out_file]
try:
rsvg_proc = Popen(cmdline)
except OSError, e:
if e.errno == errno.ENOENT:
raise NoRsvg()
status = rsvg_proc.wait()
finally:
shutil.rmtree(tempdir)
return status
def invoke_dot(input, out_file=None, file_type='svg', antialias=None,
fontname="Helvetica", fontsize=11):
cmdline = ['dot', '-T%s' % file_type, '-Nfontname=%s' % fontname,
'-Efontname=%s' % fontname, '-Nfontsize=%d' % fontsize,
'-Efontsize=%d' % fontsize]
if out_file is not None:
cmdline.extend(('-o', out_file))
try:
dot_proc = Popen(cmdline, stdin=PIPE)
except OSError, e:
if e.errno == errno.ENOENT:
raise NoDot()
else:
raise
for line in input:
dot_proc.stdin.write(line.encode('utf-8'))
dot_proc.stdin.close()
return dot_proc.wait()
def invoke_dot_html(input, out_file):
"""\
Produce an html file, which uses a .png file, and a cmap to provide
annotated revisions.
"""
tempdir = tempfile.mkdtemp()
try:
temp_dot = os.path.join(tempdir, 'temp.dot')
status = invoke_dot(input, temp_dot, file_type='dot')
dot = open(temp_dot)
temp_file = os.path.join(tempdir, 'temp.cmapx')
status = invoke_dot(dot, temp_file, 'cmapx')
png_file = '.'.join(out_file.split('.')[:-1] + ['png'])
dot.seek(0)
status = invoke_dot(dot, png_file, 'png')
png_relative = png_file.split('/')[-1]
html = open(out_file, 'wb')
w = html.write
w('<html><head><title></title></head>\n')
w('<body>\n')
w('<img src="%s" usemap="#G" border=0/>' % png_relative)
w(open(temp_file).read())
w('</body></html>\n')
finally:
shutil.rmtree(tempdir)
return status
|