From 84cd0fe4e2c45fe3aaa03e74b5c90fc8382ac277 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Fri, 10 Jun 2022 08:30:14 -0400 Subject: [PATCH] Fix-up the contrib/graph scripts. (#13013) * Clarifies comments and documentation. * Adds type-hints. * Fixes Python 3 compatibility (and runs pyupgrade). * Updates for changes in Synapse internals. --- changelog.d/13013.misc | 1 + contrib/graph/graph.py | 35 ++++++++++++++++++-------------- contrib/graph/graph2.py | 32 ++++++++++++++++++++--------- contrib/graph/graph3.py | 45 ++++++++++++++++++++++++----------------- 4 files changed, 70 insertions(+), 43 deletions(-) create mode 100644 changelog.d/13013.misc diff --git a/changelog.d/13013.misc b/changelog.d/13013.misc new file mode 100644 index 0000000000..903c6a3c8a --- /dev/null +++ b/changelog.d/13013.misc @@ -0,0 +1 @@ +Modernize the `contrib/graph/` scripts. diff --git a/contrib/graph/graph.py b/contrib/graph/graph.py index fdbac087bd..3c4f47dbd2 100644 --- a/contrib/graph/graph.py +++ b/contrib/graph/graph.py @@ -1,11 +1,3 @@ -import argparse -import cgi -import datetime -import json - -import pydot -import urllib2 - # Copyright 2014-2016 OpenMarket Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); @@ -20,12 +12,25 @@ import urllib2 # See the License for the specific language governing permissions and # limitations under the License. +import argparse +import cgi +import datetime +import json +import urllib.request +from typing import List -def make_name(pdu_id, origin): - return "%s@%s" % (pdu_id, origin) +import pydot -def make_graph(pdus, room, filename_prefix): +def make_name(pdu_id: str, origin: str) -> str: + return f"{pdu_id}@{origin}" + + +def make_graph(pdus: List[dict], filename_prefix: str) -> None: + """ + Generate a dot and SVG file for a graph of events in the room based on the + topological ordering by querying a homeserver. + """ pdu_map = {} node_map = {} @@ -111,10 +116,10 @@ def make_graph(pdus, room, filename_prefix): graph.write_svg("%s.svg" % filename_prefix, prog="dot") -def get_pdus(host, room): +def get_pdus(host: str, room: str) -> List[dict]: transaction = json.loads( - urllib2.urlopen( - "http://%s/_matrix/federation/v1/context/%s/" % (host, room) + urllib.request.urlopen( + f"http://{host}/_matrix/federation/v1/context/{room}/" ).read() ) @@ -141,4 +146,4 @@ if __name__ == "__main__": pdus = get_pdus(host, room) - make_graph(pdus, room, prefix) + make_graph(pdus, prefix) diff --git a/contrib/graph/graph2.py b/contrib/graph/graph2.py index 0980231e4a..b46094ce0a 100644 --- a/contrib/graph/graph2.py +++ b/contrib/graph/graph2.py @@ -14,22 +14,31 @@ import argparse -import cgi import datetime +import html import json import sqlite3 import pydot -from synapse.events import FrozenEvent +from synapse.api.room_versions import KNOWN_ROOM_VERSIONS +from synapse.events import make_event_from_dict from synapse.util.frozenutils import unfreeze -def make_graph(db_name, room_id, file_prefix, limit): +def make_graph(db_name: str, room_id: str, file_prefix: str, limit: int) -> None: + """ + Generate a dot and SVG file for a graph of events in the room based on the + topological ordering by reading from a Synapse SQLite database. + """ conn = sqlite3.connect(db_name) + sql = "SELECT room_version FROM rooms WHERE room_id = ?" + c = conn.execute(sql, (room_id,)) + room_version = KNOWN_ROOM_VERSIONS[c.fetchone()[0]] + sql = ( - "SELECT json FROM event_json as j " + "SELECT json, internal_metadata FROM event_json as j " "INNER JOIN events as e ON e.event_id = j.event_id " "WHERE j.room_id = ?" ) @@ -43,7 +52,10 @@ def make_graph(db_name, room_id, file_prefix, limit): c = conn.execute(sql, args) - events = [FrozenEvent(json.loads(e[0])) for e in c.fetchall()] + events = [ + make_event_from_dict(json.loads(e[0]), room_version, json.loads(e[1])) + for e in c.fetchall() + ] events.sort(key=lambda e: e.depth) @@ -84,7 +96,7 @@ def make_graph(db_name, room_id, file_prefix, limit): "name": event.event_id, "type": event.type, "state_key": event.get("state_key", None), - "content": cgi.escape(content, quote=True), + "content": html.escape(content, quote=True), "time": t, "depth": event.depth, "state_group": state_group, @@ -96,11 +108,11 @@ def make_graph(db_name, room_id, file_prefix, limit): graph.add_node(node) for event in events: - for prev_id, _ in event.prev_events: + for prev_id in event.prev_event_ids(): try: end_node = node_map[prev_id] except Exception: - end_node = pydot.Node(name=prev_id, label="<%s>" % (prev_id,)) + end_node = pydot.Node(name=prev_id, label=f"<{prev_id}>") node_map[prev_id] = end_node graph.add_node(end_node) @@ -112,7 +124,7 @@ def make_graph(db_name, room_id, file_prefix, limit): if len(event_ids) <= 1: continue - cluster = pydot.Cluster(str(group), label="" % (str(group),)) + cluster = pydot.Cluster(str(group), label=f"") for event_id in event_ids: cluster.add_node(node_map[event_id]) @@ -126,7 +138,7 @@ def make_graph(db_name, room_id, file_prefix, limit): 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" + "to the given Synapse SQLite file to get the list of PDUs. \n" "Requires pydot." ) parser.add_argument( diff --git a/contrib/graph/graph3.py b/contrib/graph/graph3.py index dd0c19368b..a28a1594c7 100644 --- a/contrib/graph/graph3.py +++ b/contrib/graph/graph3.py @@ -1,13 +1,3 @@ -import argparse -import cgi -import datetime - -import pydot -import simplejson as json - -from synapse.events import FrozenEvent -from synapse.util.frozenutils import unfreeze - # Copyright 2016 OpenMarket Ltd # # Licensed under the Apache License, Version 2.0 (the "License"); @@ -22,15 +12,35 @@ from synapse.util.frozenutils import unfreeze # See the License for the specific language governing permissions and # limitations under the License. +import argparse +import datetime +import html +import json -def make_graph(file_name, room_id, file_prefix, limit): +import pydot + +from synapse.api.room_versions import KNOWN_ROOM_VERSIONS +from synapse.events import make_event_from_dict +from synapse.util.frozenutils import unfreeze + + +def make_graph(file_name: str, file_prefix: str, limit: int) -> None: + """ + Generate a dot and SVG file for a graph of events in the room based on the + topological ordering by reading line-delimited JSON from a file. + """ print("Reading lines") with open(file_name) as f: lines = f.readlines() print("Read lines") - events = [FrozenEvent(json.loads(line)) for line in lines] + # Figure out the room version, assume the first line is the create event. + room_version = KNOWN_ROOM_VERSIONS[ + json.loads(lines[0]).get("content", {}).get("room_version") + ] + + events = [make_event_from_dict(json.loads(line), room_version) for line in lines] print("Loaded events.") @@ -66,8 +76,8 @@ def make_graph(file_name, room_id, file_prefix, limit): content.append( "%s: %s," % ( - cgi.escape(key, quote=True).encode("ascii", "xmlcharrefreplace"), - cgi.escape(value, quote=True).encode("ascii", "xmlcharrefreplace"), + html.escape(key, quote=True).encode("ascii", "xmlcharrefreplace"), + html.escape(value, quote=True).encode("ascii", "xmlcharrefreplace"), ) ) @@ -101,11 +111,11 @@ def make_graph(file_name, room_id, file_prefix, limit): print("Created Nodes") for event in events: - for prev_id, _ in event.prev_events: + for prev_id in event.prev_event_ids(): try: end_node = node_map[prev_id] except Exception: - end_node = pydot.Node(name=prev_id, label="<%s>" % (prev_id,)) + end_node = pydot.Node(name=prev_id, label=f"<{prev_id}>") node_map[prev_id] = end_node graph.add_node(end_node) @@ -139,8 +149,7 @@ if __name__ == "__main__": ) parser.add_argument("-l", "--limit", help="Only retrieve the last N events.") parser.add_argument("event_file") - parser.add_argument("room") args = parser.parse_args() - make_graph(args.event_file, args.room, args.prefix, args.limit) + make_graph(args.event_file, args.prefix, args.limit)