mirror of
https://mau.dev/maunium/synapse.git
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144 lines
4.2 KiB
Python
144 lines
4.2 KiB
Python
import argparse
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import cgi
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import datetime
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import json
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import pydot
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import urllib2
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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def make_name(pdu_id, origin):
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return "%s@%s" % (pdu_id, origin)
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def make_graph(pdus, room, filename_prefix):
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pdu_map = {}
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node_map = {}
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origins = set()
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colors = {"red", "green", "blue", "yellow", "purple"}
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for pdu in pdus:
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origins.add(pdu.get("origin"))
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color_map = {color: color for color in colors if color in origins}
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colors -= set(color_map.values())
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color_map[None] = "black"
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for o in origins:
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if o in color_map:
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continue
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try:
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c = colors.pop()
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color_map[o] = c
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except Exception:
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print("Run out of colours!")
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color_map[o] = "black"
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graph = pydot.Dot(graph_name="Test")
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for pdu in pdus:
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name = make_name(pdu.get("pdu_id"), pdu.get("origin"))
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pdu_map[name] = pdu
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t = datetime.datetime.fromtimestamp(float(pdu["ts"]) / 1000).strftime(
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"%Y-%m-%d %H:%M:%S,%f"
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)
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label = (
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"<"
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"<b>%(name)s </b><br/>"
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"Type: <b>%(type)s </b><br/>"
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"State key: <b>%(state_key)s </b><br/>"
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"Content: <b>%(content)s </b><br/>"
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"Time: <b>%(time)s </b><br/>"
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"Depth: <b>%(depth)s </b><br/>"
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">"
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) % {
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"name": name,
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"type": pdu.get("pdu_type"),
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"state_key": pdu.get("state_key"),
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"content": cgi.escape(json.dumps(pdu.get("content")), quote=True),
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"time": t,
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"depth": pdu.get("depth"),
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}
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node = pydot.Node(name=name, label=label, color=color_map[pdu.get("origin")])
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node_map[name] = node
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graph.add_node(node)
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for pdu in pdus:
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start_name = make_name(pdu.get("pdu_id"), pdu.get("origin"))
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for i, o in pdu.get("prev_pdus", []):
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end_name = make_name(i, o)
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if end_name not in node_map:
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print("%s not in nodes" % end_name)
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continue
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edge = pydot.Edge(node_map[start_name], node_map[end_name])
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graph.add_edge(edge)
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# Add prev_state edges, if they exist
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if pdu.get("prev_state_id") and pdu.get("prev_state_origin"):
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prev_state_name = make_name(
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pdu.get("prev_state_id"), pdu.get("prev_state_origin")
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)
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if prev_state_name in node_map:
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state_edge = pydot.Edge(
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node_map[start_name], node_map[prev_state_name], style="dotted"
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)
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graph.add_edge(state_edge)
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graph.write("%s.dot" % filename_prefix, format="raw", prog="dot")
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# graph.write_png("%s.png" % filename_prefix, prog='dot')
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graph.write_svg("%s.svg" % filename_prefix, prog="dot")
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def get_pdus(host, room):
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transaction = json.loads(
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urllib2.urlopen(
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"http://%s/_matrix/federation/v1/context/%s/" % (host, room)
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).read()
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)
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return transaction["pdus"]
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(
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description="Generate a PDU graph for a given room by talking "
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"to the given homeserver to get the list of PDUs. \n"
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"Requires pydot."
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)
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parser.add_argument(
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"-p", "--prefix", dest="prefix", help="String to prefix output files with"
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)
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parser.add_argument("host")
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parser.add_argument("room")
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args = parser.parse_args()
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host = args.host
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room = args.room
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prefix = args.prefix if args.prefix else "%s_graph" % (room)
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pdus = get_pdus(host, room)
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make_graph(pdus, room, prefix)
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