/usr/share/pyshared/nwdiag/elements.py is in python-nwdiag 1.0.0-1.
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 | # -*- coding: utf-8 -*-
# Copyright 2011 Takeshi KOMIYA
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import re
import blockdiag.elements
from blockdiag.utils import images, unquote
class NodeGroup(blockdiag.elements.NodeGroup):
pass
class DiagramNode(blockdiag.elements.DiagramNode):
def __init__(self, _id):
super(DiagramNode, self).__init__(_id)
self.address = {}
self.networks = []
self.layouted = False
def set_attributes(self, network, attrs=None):
if attrs is None:
attrs, network = network, None
for attr in attrs:
if attr.name == 'address':
address = re.sub('\s*,\s*', '\n', unquote(attr.value))
self.address[network] = address
else:
self.set_attribute(attr)
class DiagramEdge(blockdiag.elements.DiagramEdge):
pass
class Network(blockdiag.elements.NodeGroup):
basecolor = (185, 203, 228)
linecolor = (0, 0, 0)
@classmethod
def set_default_linecolor(cls, color):
cls.linecolor = images.color_to_rgb(color)
@classmethod
def set_default_textcolor(cls, color):
cls.textcolor = images.color_to_rgb(color)
@classmethod
def clear(cls):
super(Network, cls).clear()
cls.basecolor = (185, 203, 228)
cls.linecolor = (0, 0, 0)
def __init__(self, _id):
super(Network, self).__init__(_id)
self.address = None
self.hidden = False
self.colwidth = 1
self.colheight = 1
@classmethod
def create_anonymous(cls, nodes, attrs=None):
if len(set(nodes)) != len(nodes):
msg = "Do not connect same node to peer network: %s"
raise RuntimeError(msg % nodes[0].id)
# search networks including same nodes
is_same = lambda nw: set(nodes) & set(nw.nodes) == set(nodes)
if [nw for nw in nodes[0].networks if nw.hidden and is_same(nw)]:
return None
network = cls(None)
network.hidden = True
for node in nodes:
node.networks.append(network)
network.nodes.append(node)
if attrs:
node.set_attributes(network, attrs)
return network
@property
def display_label(self):
if self.label:
if self.address:
label = "%s\n%s" % (self.label, self.address)
else:
label = self.label
else:
label = self.address
return label
class Route(blockdiag.elements.DiagramEdge):
pass
class Diagram(blockdiag.elements.Diagram):
_DiagramNode = DiagramNode
_Network = Network
_Route = Route
def set_default_linecolor(self, color):
super(Diagram, self).set_default_linecolor(color)
self._Network.set_default_linecolor(self.linecolor)
def set_default_textcolor(self, color):
super(Diagram, self).set_default_textcolor(color)
self._Network.set_default_text_color(self.textcolor)
def set_default_fontsize(self, fontsize):
super(Diagram, self).set_default_fontsize(fontsize)
self._Network.set_default_fontsize(fontsize)
def set_default_fontfamily(self, familyname):
super(Diagram, self).set_default_fontfamily(familyname)
self._Network.set_default_fontfamily(familyname)
def set_default_network_color(self, color):
color = images.color_to_rgb(color)
self._Network.set_default_color(color)
def __init__(self):
super(Diagram, self).__init__()
self.orientation = 'portrait'
self.external_connector = True
self.groups = []
self.networks = []
self.routes = []
def set_external_connector(self, value):
value = value.lower()
if value == 'none':
self.external_connector = False
else:
msg = "WARNING: unknown external connector: %s\n" % value
raise AttributeError(msg)
def fixiate(self):
self.colwidth = max(n.xy.x + n.colwidth for n in self.nodes)
self.colheight = max(n.xy.y + n.colheight for n in self.nodes)
colheight = max(nw.xy.y + nw.colheight - 1 for nw in self.networks)
if self.colheight < colheight:
self.colheight = colheight
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