use orjson instead of json

pyproject.toml

@@ -18,6 +18,7 @@ maintainers = [
 dependencies = [
     "async_timeout>=3.0.1;python_version<'3.11'",
     "cryptography",
+    "orjson",
 ]
 classifiers = [
     "License :: OSI Approved :: Apache Software License",

src/pylutron_caseta/cli.py

@@ -2,14 +2,14 @@
 
 import asyncio
 import functools
-import json
+import orjson as json
 import logging
 import socket
 import ssl
 import urllib.parse
 from contextlib import asynccontextmanager
 from pathlib import Path
-from typing import Any, AsyncIterator, List, Optional, TextIO
+from typing import Any, AsyncIterator, List, Optional, TextIO, BinaryIO
 from urllib.parse import urlparse
 
 import click
@@ -271,7 +271,7 @@ async def _connect(
 @click.option(
     "-o",
     "--output",
-    type=click.File("w", encoding="utf8"),
+    type=click.File("wb"),
     default="-",
     help="Save the response into a file.",
 )
@@ -289,7 +289,7 @@ async def leap(
     data: Optional[str],
     paging: Optional[str],
     fail: bool,
-    output: TextIO,
+    output: BinaryIO,
     verbose: bool,
 ):
     """
@@ -332,4 +332,4 @@ async def leap(
     else:
         output.write(json.dumps(response.Body))
 
-    output.write("\n")
+    output.write(b"\n")

src/pylutron_caseta/leap.py

@@ -1,7 +1,7 @@
 """LEAP protocol layer."""
 
 import asyncio
-import json
+import orjson as json
 import logging
 import re
 import uuid
@@ -68,7 +68,7 @@ def clean_up(future):
         future.add_done_callback(clean_up)
 
         try:
-            text = json.dumps(cmd).encode("UTF-8")
+            text = json.dumps(cmd)
             _LOG.debug("sending %s", text)
             self._writer.write(text + b"\r\n")
 

src/pylutron_caseta/pairing.py

@@ -1,7 +1,7 @@
 """Guide the user through pairing and save the necessary files."""
 
 import asyncio
-import json
+import orjson as json
 import logging
 import socket
 import ssl
@@ -61,7 +61,7 @@ async def async_read_json(self, timeout):
 
     async def async_write_json(self, obj):
         """Write an object."""
-        buffer = f"{json.dumps(obj)}\r\n".encode("ASCII")
+        buffer = json.dumps(obj) + b"\r\n"
         self._writer.write(buffer)
         LOGGER.debug("sent: %s", buffer)