This file is indexed.

/usr/share/pyshared/pycallgraph/output/graphviz.py is in python-pycallgraph 1.0.1-1.

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
from __future__ import division

import tempfile
import os
import textwrap

from ..metadata import __version__
from ..exceptions import PyCallGraphException
from ..color import Color
from .output import Output


class GraphvizOutput(Output):

    def __init__(self, **kwargs):
        self.tool = 'dot'
        self.output_file = 'pycallgraph.png'
        self.output_type = 'png'
        self.font_name = 'Verdana'
        self.font_size = 7
        self.group_font_size = 10
        self.group_border_color = Color(0, 0, 0, 0.8)

        Output.__init__(self, **kwargs)

        self.prepare_graph_attributes()

    @classmethod
    def add_arguments(cls, subparsers, parent_parser, usage):
        defaults = cls()

        subparser = subparsers.add_parser(
            'graphviz', help='Graphviz generation',
            parents=[parent_parser], usage=usage,
        )

        subparser.add_argument(
            '-l', '--tool', dest='tool', default=defaults.tool,
            help='The tool from Graphviz to use, e.g. dot, neato, etc.',
        )

        cls.add_output_file(
            subparser, defaults, 'The generated Graphviz file'
        )

        subparser.add_argument(
            '-f', '--output-format', type=str, default=defaults.output_type,
            help='Image format to produce, e.g. png, ps, dot, etc. '
            'See http://www.graphviz.org/doc/info/output.html for more.',
        )

        subparser.add_argument(
            '--font-name', type=str, default=defaults.font_name,
            help='Name of the font to be used',
        )

        subparser.add_argument(
            '--font-size', type=int, default=defaults.font_size,
            help='Size of the font to be used',
        )

    def sanity_check(self):
        self.ensure_binary(self.tool)

    def prepare_graph_attributes(self):
        generated_message = '\\n'.join([
            r'Generated by Python Call Graph v%s' % __version__,
            r'http://pycallgraph.slowchop.com',
        ])

        self.graph_attributes = {
            'graph': {
                'overlap': 'scalexy',
                'fontname': self.font_name,
                'fontsize': self.font_size,
                'fontcolor': Color(0, 0, 0, 0.5).rgba_web(),
                'label': generated_message,
            },
            'node': {
                'fontname': self.font_name,
                'fontsize': self.font_size,
                'fontcolor': Color(0, 0, 0).rgba_web(),
                'style': 'filled',
                'shape': 'rect',
            },
            'edge': {
                'fontname': self.font_name,
                'fontsize': self.font_size,
                'fontcolor': Color(0, 0, 0).rgba_web(),
            }
        }

    def done(self):
        source = self.generate()

        self.debug(source)

        fd, temp_name = tempfile.mkstemp()
        with os.fdopen(fd, 'w') as f:
            f.write(source)

        cmd = '{} -T{} -o{} {}'.format(
            self.tool, self.output_type, self.output_file, temp_name
        )

        self.verbose('Executing: {}'.format(cmd))
        try:
            ret = os.system(cmd)
            if ret:
                raise PyCallGraphException(
                    'The command "%(cmd)s" failed with error '
                    'code %(ret)i.' % locals())
        finally:
            os.unlink(temp_name)

        self.verbose('Generated {} with {} nodes.'.format(
            self.output_file, len(self.processor.func_count),
        ))

    def generate(self):
        '''Returns a string with the contents of a DOT file for Graphviz to
        parse.
        '''
        indent_join = '\n' + ' ' * 12

        return textwrap.dedent('''\
        digraph G {{

            // Attributes
            {}

            // Groups
            {}

            // Nodes
            {}

            // Edges
            {}

        }}
        '''.format(
            indent_join.join(self.generate_attributes()),
            indent_join.join(self.generate_groups()),
            indent_join.join(self.generate_nodes()),
            indent_join.join(self.generate_edges()),
        ))

    def attrs_from_dict(self, d):
        output = []
        for attr, val in d.iteritems():
            output.append('%s = "%s"' % (attr, val))
        return ', '.join(output)

    def node(self, key, attr):
        return '"{}" [{}];'.format(
            key, self.attrs_from_dict(attr),
        )

    def edge(self, edge, attr):
        return '"{0.src_func}" -> "{0.dst_func}" [{1}];'.format(
            edge, self.attrs_from_dict(attr),
        )

    def generate_attributes(self):
        output = []
        for section, attrs in self.graph_attributes.iteritems():
            output.append('{} [ {} ];'.format(
                section, self.attrs_from_dict(attrs),
            ))
        return output

    def generate_groups(self):
        if not self.processor.config.groups:
            return ''

        output = []
        for group, nodes in self.processor.groups():
            funcs = [node.name for node in nodes]
            funcs = '" "'.join(funcs)
            group_color = self.group_border_color.rgba_web()
            group_font_size = self.group_font_size
            output.append(
                'subgraph "cluster_{group}" {{ '
                '"{funcs}"; '
                'label = "{group}"; '
                'fontsize = "{group_font_size}"; '
                'fontcolor = "black"; '
                'style = "bold"; '
                'color="{group_color}"; }}'.format(**locals()))
        return output

    def generate_nodes(self):
        output = []
        for node in self.processor.nodes():
            attr = {
                'color': self.node_color_func(node).rgba_web(),
                'label': self.node_label_func(node),
            }
            output.append(self.node(node.name, attr))

        return output

    def generate_edges(self):
        output = []

        for edge in self.processor.edges():
            attr = {
                'color': self.edge_color_func(edge).rgba_web(),
                'label': self.edge_label_func(edge),
            }
            output.append(self.edge(edge, attr))

        return output