/usr/lib/python3/dist-packages/rackdiag/drawer.py is in python3-nwdiag 1.0.3-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# 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 blockdiag.drawer
from rackdiag.metrics import DiagramMetrics
from blockdiag.utils import Box
from blockdiag.utils.compat import u
class DiagramDraw(blockdiag.drawer.DiagramDraw):
def create_metrics(self, *args, **kwargs):
return DiagramMetrics(*args, **kwargs)
def _draw_elements(self, **kwargs):
default_font = self.metrics.font_for(self.diagram)
for rack in self.diagram.racks:
frame = self.metrics.cell(rack, use_padding=False).box
self.drawer.rectangle(frame, fill='white',
outline=self.diagram.linecolor)
for i in range(rack.colheight):
box = self.metrics.racknumber(rack, i)
number = u("%d") % (i + 1)
self.drawer.textarea(box, number, default_font, halign='right',
fill=self.diagram.textcolor)
if rack.display_label:
box = self.metrics.racklabel(rack)
self.drawer.textarea(box, rack.display_label,
self.metrics.font_for(rack),
fill=rack.textcolor)
super(DiagramDraw, self)._draw_elements(**kwargs)
def _draw_background(self):
# do not draw shadow of nodes on super()
self.diagram.shadow_style = 'none'
super(DiagramDraw, self)._draw_background()
# draw shadow of frame
dx, dy = self.metrics.shadow_offset
for rack in self.diagram.racks:
frame = self.metrics.cell(rack, use_padding=False)
shadow = Box(frame.x1 + dx, frame.y1 + dy,
frame.x2 + dx, frame.y2 + dy)
self.drawer.rectangle(shadow, fill=self.shadow, filter='blur')
def node(self, node, **kwargs):
label, node.label = node.label, node.display_label
super(DiagramDraw, self).node(node, **kwargs)
node.label = label
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