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birdvisu/poor_mans_visualisation.py

99 lines
2.3 KiB
Python

#!/usr/bin/env python3
# Get topologies
import sys
from birdvisu.providers import BirdSocketTopologyProvider, OspfFileTopologyProvider
ref_topo_file = 'reference.ospf'
if len(sys.argv) > 1:
ref_topo_file = sys.argv[1]
ref_topo = OspfFileTopologyProvider(ref_topo_file).get_topology()
try:
cur_topo = BirdSocketTopologyProvider(instance='ospfv2', area=1).get_topology()
except OSError as e:
raise NotImplementedError('Cannot create a mock topology atm') from e
# Create combined topology
from birdvisu.topo_v3 import TopologyV3
combined_topology = TopologyV3.combine_topologies(reference=ref_topo, current=cur_topo)
combined_topology.freeze()
# Annotate it
from birdvisu.topo_v3 import VertexID
from birdvisu.annotations import AnnotatedTopology, AnnotatorID
from birdvisu.annotations.analysis import TopologyDifference, ShortestPathTree
from ipaddress import IPv4Address
annot_topo = AnnotatedTopology(combined_topology)
annotators = [
AnnotatorID(TopologyDifference),
AnnotatorID(ShortestPathTree, (VertexID(
family=None,
is_router=True,
address=None,
router_id=int(IPv4Address('172.23.100.10')),
dr_id=None,
discriminator=None
), 'current')),
]
for ann_id in annotators:
annot_topo.run_annotator(ann_id)
# ---
# Show it
from birdvisu.visualisation import annotators
from birdvisu import maps_new
# annotators.create_qgritems does not like being run without Qt initialization.
from PySide6 import QtCore, QtGui, QtWidgets
app = QtWidgets.QApplication([])
annotated_topology = maps_new.annotate_topology(combined_topology,
# A semi-canonical set of annotators:
[
annotators.extract_positions,
annotators.random_position,
annotators.assign_brushes,
annotators.create_qgritems,
]
)
# Render the widget
scene = QtWidgets.QGraphicsScene()
for tagsrc in [
annotated_topology.router_annotations.values(),
annotated_topology.network_annotations.values(),
annotated_topology.link_annotations.values(),
]:
for taglist in tagsrc:
assert len(taglist) > 0
assert isinstance(taglist[-1], QtWidgets.QGraphicsItem)
scene.addItem(taglist[-1])
view = QtWidgets.QGraphicsView(scene)
#view.show()
main_window = QtWidgets.QMainWindow()
main_window.setCentralWidget(view)
menu = main_window.menuBar().addMenu('Hello')
act = QtGui.QAction('Hi')
#act.setToolTip('Howdy')
menu.addAction(act)
main_window.show()
app.exec()