pyproject.toml

@@ -38,6 +38,7 @@ dependencies = { file = "requirements/_.txt" }
 
 [tool.setuptools.dynamic.optional-dependencies]
 dev = { file = "requirements/dev.txt" }
+speed = { file = "requirements/speed.txt" }
 
 [tool.setuptools.packages.find]
 where = ["src"]

requirements/speed.txt

@@ -0,0 +1 @@
+ujson~=5.8.0

src/pyrmv/raw/__init__.py

@@ -1,3 +1,7 @@
+import contextlib
+
+import requests
+
 from .board_arrival import board_arrival
 from .board_departure import board_departure
 from .him_search import him_search
@@ -6,3 +10,8 @@ from .stop_by_coords import stop_by_coords
 from .stop_by_name import stop_by_name
 from .trip_find import trip_find
 from .trip_recon import trip_recon
+
+with contextlib.suppress(ImportError):
+    import ujson
+
+    requests.models.complexjson = ujson

tox.ini

@@ -18,6 +18,7 @@ passenv =
 deps = 
     -r{toxinidir}/requirements/_.txt
     -r{toxinidir}/requirements/dev.txt
+    -r{toxinidir}/requirements/speed.txt
 commands =
     pytest --basetemp={envtmpdir} --cov=pyrmv --cov-report term-missing