synapse-old/contrib/graph/graph.py

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

145 lines
4.2 KiB
Python
Raw Normal View History

import argparse
import cgi
import datetime
import json
import pydot
import urllib2
2016-01-06 21:26:29 -07:00
# Copyright 2014-2016 OpenMarket Ltd
#
# 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.
2014-08-12 08:10:52 -06:00
def make_name(pdu_id, origin):
return "%s@%s" % (pdu_id, origin)
def make_graph(pdus, room, filename_prefix):
pdu_map = {}
node_map = {}
origins = set()
colors = {"red", "green", "blue", "yellow", "purple"}
2014-08-12 08:10:52 -06:00
for pdu in pdus:
origins.add(pdu.get("origin"))
color_map = {color: color for color in colors if color in origins}
colors -= set(color_map.values())
color_map[None] = "black"
for o in origins:
if o in color_map:
continue
try:
c = colors.pop()
color_map[o] = c
except Exception:
print("Run out of colours!")
2014-08-12 08:10:52 -06:00
color_map[o] = "black"
graph = pydot.Dot(graph_name="Test")
for pdu in pdus:
name = make_name(pdu.get("pdu_id"), pdu.get("origin"))
pdu_map[name] = pdu
t = datetime.datetime.fromtimestamp(float(pdu["ts"]) / 1000).strftime(
"%Y-%m-%d %H:%M:%S,%f"
)
label = (
"<"
"<b>%(name)s </b><br/>"
"Type: <b>%(type)s </b><br/>"
"State key: <b>%(state_key)s </b><br/>"
"Content: <b>%(content)s </b><br/>"
"Time: <b>%(time)s </b><br/>"
"Depth: <b>%(depth)s </b><br/>"
">"
) % {
"name": name,
"type": pdu.get("pdu_type"),
"state_key": pdu.get("state_key"),
"content": cgi.escape(json.dumps(pdu.get("content")), quote=True),
"time": t,
"depth": pdu.get("depth"),
}
node = pydot.Node(name=name, label=label, color=color_map[pdu.get("origin")])
node_map[name] = node
graph.add_node(node)
for pdu in pdus:
start_name = make_name(pdu.get("pdu_id"), pdu.get("origin"))
for i, o in pdu.get("prev_pdus", []):
end_name = make_name(i, o)
if end_name not in node_map:
print("%s not in nodes" % end_name)
2014-08-12 08:10:52 -06:00
continue
edge = pydot.Edge(node_map[start_name], node_map[end_name])
graph.add_edge(edge)
# Add prev_state edges, if they exist
if pdu.get("prev_state_id") and pdu.get("prev_state_origin"):
prev_state_name = make_name(
pdu.get("prev_state_id"), pdu.get("prev_state_origin")
)
if prev_state_name in node_map:
state_edge = pydot.Edge(
node_map[start_name], node_map[prev_state_name], style="dotted"
)
graph.add_edge(state_edge)
graph.write("%s.dot" % filename_prefix, format="raw", prog="dot")
2014-08-18 03:59:34 -06:00
# graph.write_png("%s.png" % filename_prefix, prog='dot')
2014-08-12 08:10:52 -06:00
graph.write_svg("%s.svg" % filename_prefix, prog="dot")
def get_pdus(host, room):
transaction = json.loads(
urllib2.urlopen(
"http://%s/_matrix/federation/v1/context/%s/" % (host, room)
2014-08-12 08:10:52 -06:00
).read()
)
return transaction["pdus"]
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Generate a PDU graph for a given room by talking "
"to the given homeserver to get the list of PDUs. \n"
"Requires pydot."
)
parser.add_argument(
"-p", "--prefix", dest="prefix", help="String to prefix output files with"
)
parser.add_argument("host")
parser.add_argument("room")
args = parser.parse_args()
host = args.host
room = args.room
prefix = args.prefix if args.prefix else "%s_graph" % (room)
pdus = get_pdus(host, room)
make_graph(pdus, room, prefix)