/usr/lib/python3/dist-packages/pylint/pyreverse/writer.py is in pylint3 1.5.2-1ubuntu1.
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 | # -*- coding: utf-8 -*-
# Copyright (c) 2008-2013 LOGILAB S.A. (Paris, FRANCE).
# http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# 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.
"""Utilities for creating VCG and Dot diagrams"""
from pylint.pyreverse.utils import is_exception
from pylint.pyreverse.vcgutils import VCGPrinter
from pylint.graph import DotBackend
class DiagramWriter(object):
"""base class for writing project diagrams
"""
def __init__(self, config, styles):
self.config = config
self.pkg_edges, self.inh_edges, self.imp_edges, self.ass_edges = styles
self.printer = None # defined in set_printer
def write(self, diadefs):
"""write files for <project> according to <diadefs>
"""
for diagram in diadefs:
basename = diagram.title.strip().replace(' ', '_')
file_name = '%s.%s' % (basename, self.config.output_format)
self.set_printer(file_name, basename)
if diagram.TYPE == 'class':
self.write_classes(diagram)
else:
self.write_packages(diagram)
self.close_graph()
def write_packages(self, diagram):
"""write a package diagram"""
# sorted to get predictable (hence testable) results
for i, obj in enumerate(sorted(diagram.modules(), key=lambda x: x.title)):
self.printer.emit_node(i, label=self.get_title(obj), shape='box')
obj.fig_id = i
# package dependencies
for rel in diagram.get_relationships('depends'):
self.printer.emit_edge(rel.from_object.fig_id, rel.to_object.fig_id,
**self.pkg_edges)
def write_classes(self, diagram):
"""write a class diagram"""
# sorted to get predictable (hence testable) results
for i, obj in enumerate(sorted(diagram.objects, key=lambda x: x.title)):
self.printer.emit_node(i, **self.get_values(obj))
obj.fig_id = i
# inheritance links
for rel in diagram.get_relationships('specialization'):
self.printer.emit_edge(rel.from_object.fig_id, rel.to_object.fig_id,
**self.inh_edges)
# implementation links
for rel in diagram.get_relationships('implements'):
self.printer.emit_edge(rel.from_object.fig_id, rel.to_object.fig_id,
**self.imp_edges)
# generate associations
for rel in diagram.get_relationships('association'):
self.printer.emit_edge(rel.from_object.fig_id, rel.to_object.fig_id,
label=rel.name, **self.ass_edges)
def set_printer(self, file_name, basename):
"""set printer"""
raise NotImplementedError
def get_title(self, obj):
"""get project title"""
raise NotImplementedError
def get_values(self, obj):
"""get label and shape for classes."""
raise NotImplementedError
def close_graph(self):
"""finalize the graph"""
raise NotImplementedError
class DotWriter(DiagramWriter):
"""write dot graphs from a diagram definition and a project
"""
def __init__(self, config):
styles = [dict(arrowtail='none', arrowhead="open"),
dict(arrowtail='none', arrowhead='empty'),
dict(arrowtail='node', arrowhead='empty', style='dashed'),
dict(fontcolor='green', arrowtail='none',
arrowhead='diamond', style='solid'),
]
DiagramWriter.__init__(self, config, styles)
def set_printer(self, file_name, basename):
"""initialize DotWriter and add options for layout.
"""
layout = dict(rankdir="BT")
self.printer = DotBackend(basename, additional_param=layout)
self.file_name = file_name
def get_title(self, obj):
"""get project title"""
return obj.title
def get_values(self, obj):
"""get label and shape for classes.
The label contains all attributes and methods
"""
label = obj.title
if obj.shape == 'interface':
label = u'«interface»\\n%s' % label
if not self.config.only_classnames:
label = r'%s|%s\l|' % (label, r'\l'.join(obj.attrs))
for func in obj.methods:
label = r'%s%s()\l' % (label, func.name)
label = '{%s}' % label
if is_exception(obj.node):
return dict(fontcolor='red', label=label, shape='record')
return dict(label=label, shape='record')
def close_graph(self):
"""print the dot graph into <file_name>"""
self.printer.generate(self.file_name)
class VCGWriter(DiagramWriter):
"""write vcg graphs from a diagram definition and a project
"""
def __init__(self, config):
styles = [dict(arrowstyle='solid', backarrowstyle='none',
backarrowsize=0),
dict(arrowstyle='solid', backarrowstyle='none',
backarrowsize=10),
dict(arrowstyle='solid', backarrowstyle='none',
linestyle='dotted', backarrowsize=10),
dict(arrowstyle='solid', backarrowstyle='none',
textcolor='green'),
]
DiagramWriter.__init__(self, config, styles)
def set_printer(self, file_name, basename):
"""initialize VCGWriter for a UML graph"""
self.graph_file = open(file_name, 'w+')
self.printer = VCGPrinter(self.graph_file)
self.printer.open_graph(title=basename, layoutalgorithm='dfs',
late_edge_labels='yes', port_sharing='no',
manhattan_edges='yes')
self.printer.emit_node = self.printer.node
self.printer.emit_edge = self.printer.edge
def get_title(self, obj):
"""get project title in vcg format"""
return r'\fb%s\fn' % obj.title
def get_values(self, obj):
"""get label and shape for classes.
The label contains all attributes and methods
"""
if is_exception(obj.node):
label = r'\fb\f09%s\fn' % obj.title
else:
label = r'\fb%s\fn' % obj.title
if obj.shape == 'interface':
shape = 'ellipse'
else:
shape = 'box'
if not self.config.only_classnames:
attrs = obj.attrs
methods = [func.name for func in obj.methods]
# box width for UML like diagram
maxlen = max(len(name) for name in [obj.title] + methods + attrs)
line = '_' * (maxlen + 2)
label = r'%s\n\f%s' % (label, line)
for attr in attrs:
label = r'%s\n\f08%s' % (label, attr)
if attrs:
label = r'%s\n\f%s' % (label, line)
for func in methods:
label = r'%s\n\f10%s()' % (label, func)
return dict(label=label, shape=shape)
def close_graph(self):
"""close graph and file"""
self.printer.close_graph()
self.graph_file.close()
|