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import json
import time
from http.client import HTTPResponse
from pathlib import Path
from shutil import copyfileobj
from urllib.request import urlopen
import brotli
import msgpack
import psycopg
from com import Visibility, eval_config, parse_graph, progressbar
config = eval_config()
conn: psycopg.Connection = config["connect"]()
graph = parse_graph()
print("reading filterlist")
filtered = Path("filtered.list").read_text().strip().splitlines()
filtered = list(map(lambda line: line.split(' ')[0], filtered))
collected_users = {}
def collect_user(id: str):
if id in collected_users:
return
time.sleep(0.001)
user = conn.execute('select username, host, "avatarUrl" from "user" where id = %s', [id]).fetchone()
if user is None:
return None
username, host, avatar_url = user
profile = conn.execute('select description, fields from user_profile where "userId" = %s', [id]).fetchone()
description, fields = profile or ("", [])
output = {}
output["id"] = id
output["username"] = username
output["host"] = host
output["description"] = description
output["fields"] = fields
output["avatar_url"] = avatar_url
collected_users[id] = output
collected_notes = []
files_to_collect = []
def collect_note(id: str):
output = {}
output["id"] = id
time.sleep(0.001)
note = conn.execute('select text, "userId", "createdAt", "updatedAt", reactions, "renoteCount", visibility, "fileIds", cw from note where id = %s', [id]).fetchone()
if note is None:
return None
text, user_id, created_at, updated_at, reactions, renotes, visibility, file_ids, cw = note
collect_user(user_id)
output["text"] = text
output["user_id"] = user_id
output["created_at"] = created_at.astimezone(tz=None).isoformat()
output["updated_at"] = None
if updated_at is not None:
output["updated_at"] = updated_at.astimezone(tz=None).isoformat()
output["reactions"] = reactions
output["renotes"] = renotes
output["visibility"] = Visibility.from_db(visibility).code()
output["cw"] = cw
node = graph[id]
replies = [collect_note(reply) for reply in node["replies"]]
replies = filter(lambda reply: reply is not None, replies)
quotes = [collect_note(quote) for quote in node["quotes"]]
quotes = filter(lambda quote: quote is not None, quotes)
output["attachments"] = []
for file_id in file_ids:
time.sleep(0.0005)
name, type_, comment, url = conn.execute('select name, type, comment, url from drive_file where id = %s', [file_id]).fetchone()
attachment = {
"id": file_id,
"type": type_,
"comment": comment,
}
if "self" in node["flags"]: # archive own attachments
files_to_collect.append((file_id, url))
attachment["url"] = None
else:
attachment["url"] = url
output["replies"] = list(replies)
output["quotes"] = list(quotes)
if len(output["attachments"]) == 0: del output["attachments"]
if len(output["replies"]) == 0: del output["replies"]
if len(output["quotes"]) == 0: del output["quotes"]
return output
pb = progressbar.ProgressBar(
0,
len(filtered),
prefix="collecting data ",
)
for id in filtered:
note = collect_note(id)
collected_notes.append((id, note))
pb.increment()
pb.finish()
outdir = Path("out")
if not outdir.exists():
outdir.mkdir()
if not (outdir / "note").exists():
(outdir / "note").mkdir()
if not (outdir / "user").exists():
(outdir / "user").mkdir()
if not (outdir / "file").exists():
(outdir / "file").mkdir()
pb = progressbar.ProgressBar(
0,
len(collected_notes) + len(collected_users),
prefix="writing data ",
)
for id, note in collected_notes:
outfile = outdir / "note" / id[:3] / f"{id[3:]}.mpk.br"
outfile.parent.mkdir(exist_ok=True)
with outfile.open("wb") as f:
f.write(brotli.compress(msgpack.dumps(note)))
pb.increment()
for id, user in collected_users.items():
outfile = outdir / "user" / id[:2] / f"{id[2:]}.mpk.br"
outfile.parent.mkdir(exist_ok=True)
with outfile.open("wb") as f:
f.write(brotli.compress(msgpack.dumps(note)))
pb.increment()
pb.finish()
pb = progressbar.ProgressBar(
0,
len(files_to_collect),
prefix="downloading attachments ",
)
for (id, url) in files_to_collect:
outfile = outdir / "file" / id[:2] / id[2:]
outfile.parent.mkdir(exist_ok=True)
response: HTTPResponse = urlopen(url)
with outfile.open("wb") as f:
copyfileobj(response, f)
response.close()
pb.increment()
pb.finish()
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