nise-circleguard: Update to use sanic instead of Flask

nise-circleguard/Dockerfile

@@ -9,8 +9,7 @@ RUN apt update
 
 COPY requirements.txt ./requirements.txt
 
-RUN pip3 install --upgrade pip && \
-    pip3 install -r requirements.txt
+RUN pip3 install --no-cache-dir -r requirements.txt
 
 # This is *really* bad, but I'd rather get this working rather than forking packages and re-publishing them.
 # It'll probably break some day.
@@ -24,5 +23,7 @@ COPY ./src/ ./src/
 
 ENV GUNICORN_CMD_ARGS="--bind=0.0.0.0:5000 --workers=16"
 
+WORKDIR /app/src
+
 # Run gunicorn with the application
-CMD ["gunicorn", "--chdir", "src", "main:app"]
+CMD ["sanic", "main", "--port=5000"]

nise-circleguard/requirements.txt

@@ -1,5 +1,4 @@
 ossapi==3.4.3
 circleguard==5.4.1
-flask==3.0.2
 brparser==1.0.4
-gunicorn==21.2.0
+sanic==24.6.0

nise-circleguard/src/main.py

@@ -5,21 +5,21 @@ from dataclasses import dataclass, asdict
 from typing import List, Iterable
 
 import numpy as np
+from sanic import Request, Sanic, exceptions, json
 import scipy
 from brparser import Replay, BeatmapOsu, Mod
 from circleguard import Circleguard, ReplayString, Hit
-from flask import Flask, request, jsonify, abort
 from itertools import combinations
 from math import isnan
 from slider import Beatmap, Circle, Slider, Spinner
 
-from src.WriteStreamWrapper import WriteStreamWrapper
-from src.keypresses import get_kp_sliders
+from WriteStreamWrapper import WriteStreamWrapper
+from keypresses import get_kp_sliders
 
 # Circleguard
 cg = Circleguard(os.getenv("OSU_API_KEY"), db_path="./dbs/db.db", slider_dir="./dbs/")
 
-app = Flask(__name__)
+app = Sanic(__name__)
 
 def my_filter_outliers(arr, bias=1.5):
     """
@@ -123,11 +123,11 @@ class ScoreJudgement:
 
 
 @app.post("/replay")
-def process_replay():
+async def process_replay(request: Request):
     try:
-        request_data = request.get_json()
+        request_data = request.json
         if not request_data:
-            abort(400, description="Bad Request: No JSON data provided.")
+            raise exceptions.BadRequest("Bad Request: No JSON data provided.")
 
         replay_request = ReplayRequest.from_dict(request_data)
 
@@ -219,10 +219,10 @@ def process_replay():
 
             judgements=judgements
         )
-        return jsonify(ur_response.to_dict())
+        return json(ur_response.to_dict())
 
     except ValueError as e:
-        abort(400, description=str(e))
+        raise exceptions.BadRequest(str(e))
 
 
 @dataclass
@@ -242,11 +242,11 @@ class ReplayDto:
 
 
 @app.post("/similarity")
-def process_similarity():
+async def process_similarity(request: Request):
     try:
-        request_data = request.get_json()
+        request_data = request.json
         if not request_data:
-            abort(400, description="Bad Request: No JSON data provided.")
+            raise exceptions.BadRequest("Bad Request: No JSON data provided.")
 
         replays: List[ReplayDto] = request_data['replays']
         replay_cache = {}
@@ -287,11 +287,7 @@ def process_similarity():
             )
             response.append(new_score_similarity)
 
-        return jsonify({'result': response})
+        return json({'result': response})
 
     except ValueError as e:
-        abort(400, description=str(e))
-
-
-if __name__ == "__main__":
-    app.run(host='0.0.0.0', debug=False)
+        raise exceptions.BadRequest(str(e))