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Add orjson JSON serializer for FastAPI & structlog performance

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Xevion
2024-11-01 19:17:57 -05:00
parent b561ec6998
commit 43bf96e5c1
6 changed files with 91 additions and 7 deletions
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1
.vscode/settings.json vendored
View File

@@ -8,6 +8,7 @@
"linkpulse",
"migratehistory",
"Nixpacks",
"ORJSON",
"pytz",
"starlette",
"structlog",

3
CHANGELOG.md
View File

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Added
- Added the `orjson` serializer for faster JSON serialization
- Used in `structlog`'s `JSONRenderer` for production logging
- Used in `fastapi`'s `Response` for faster response serialization
- Improved documentation in multiple files
- `__main__.py`
- `logging.py`

5
backend/linkpulse/app.py
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@@ -13,12 +13,13 @@ from apscheduler.triggers.interval import IntervalTrigger # type: ignore
from asgi_correlation_id import CorrelationIdMiddleware
from dotenv import load_dotenv
from fastapi import FastAPI, Request, Response, status
from fastapi.responses import ORJSONResponse
from fastapi_cache import FastAPICache
from fastapi_cache.backends.inmemory import InMemoryBackend
from fastapi_cache.decorator import cache
from linkpulse.logging import setup_logging
from linkpulse.middleware import LoggingMiddleware
from linkpulse.utilities import get_ip, hide_ip, is_development, get_db
from linkpulse.utilities import get_db, get_ip, hide_ip, is_development
from psycopg2.extras import execute_values
load_dotenv(dotenv_path=".env")
@@ -113,7 +114,7 @@ class IPCounter:
last_seen: datetime = field(default_factory=lambda: datetime.now(timezone.utc))
app = FastAPI(lifespan=lifespan)
app = FastAPI(lifespan=lifespan, default_response_class=ORJSONResponse)
setup_logging()

19
backend/linkpulse/logging.py
View File

@@ -1,13 +1,20 @@
import logging
import os
import sys
from typing import List, Optional
from typing import Any, List, Optional
import structlog
from structlog.types import EventDict, Processor
def rename_event_key(_, __, event_dict: EventDict) -> EventDict:
def decode_bytes(_: Any, __: Any, bs: bytes) -> str:
"""
orjson returns bytes; we need strings
"""
return bs.decode()
def rename_event_key(_: Any, __: Any, event_dict: EventDict) -> EventDict:
"""
Renames the `event` key to `msg`, as Railway expects it in that form.
"""
@@ -15,7 +22,7 @@ def rename_event_key(_, __, event_dict: EventDict) -> EventDict:
return event_dict
def drop_color_message_key(_, __, event_dict: EventDict) -> EventDict:
def drop_color_message_key(_: Any, __: Any, event_dict: EventDict) -> EventDict:
"""
Uvicorn logs the message a second time in the extra `color_message`, but we don't
need it. This processor drops the key from the event dict if it exists.
@@ -80,7 +87,9 @@ def setup_logging(
log_renderer: structlog.types.Processor
if json_logs:
log_renderer = structlog.processors.JSONRenderer()
import orjson
log_renderer = structlog.processors.JSONRenderer(serializer=orjson.dumps)
else:
log_renderer = structlog.dev.ConsoleRenderer()
@@ -92,6 +101,8 @@ def setup_logging(
# Remove _record & _from_structlog.
structlog.stdlib.ProcessorFormatter.remove_processors_meta,
log_renderer,
# required with orjson
*([decode_bytes] if json_logs else []), # type: ignore
],
)

69
backend/poetry.lock generated
View File

@@ -531,6 +531,73 @@ files = [
[package.dependencies]
psutil = "*"
[[package]]
name = "orjson"
version = "3.10.10"
description = "Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy"
optional = false
python-versions = ">=3.8"
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{file = "orjson-3.10.10.tar.gz", hash = "sha256:37949383c4df7b4337ce82ee35b6d7471e55195efa7dcb45ab8226ceadb0fe3b"},
]
[[package]]
name = "packaging"
version = "24.1"
@@ -1126,4 +1193,4 @@ files = [
[metadata]
lock-version = "2.0"
python-versions = "^3.12"
content-hash = "a0cc32861b71da789edc5df54e79239d6cca81cb3d14984a1306a3f92735589f"
content-hash = "674210864455c4a103c7e78f9879c0360fcdc0ae62d36a2fe44f1df4f59f04e6"

1
backend/pyproject.toml
View File

@@ -26,6 +26,7 @@ psycopg2 = "^2.9.10"
structlog = "^24.4.0"
uvicorn = "^0.32.0"
asgi-correlation-id = "^4.3.4"
orjson = "^3.10.10"
[tool.poetry.group.dev.dependencies]