split out pre-commit from test-requirements to lighten CI load

especially on systems like riscv64 that don't have wheels available
for the pyyaml dependency of pre-commit

Author: mr-c

CONTRIBUTING.md

@@ -45,14 +45,14 @@ python -m venv venv
 #### (4) Install the test requirements and the project
 
 ```bash
-python -m pip install -r test-requirements.txt
+python -m pip install -r dev-requirements.txt
 python -m pip install -e .
 hash -r  # This resets shell PATH cache, not necessary on Windows
 ```
 
 > **Note**
 > You'll need Python 3.10 or higher to install all requirements listed in
-> test-requirements.txt
+> dev-requirements.txt
 
 ### Running tests
 

MANIFEST.in

@@ -35,6 +35,8 @@ prune mypyc/doc/build
 # files necessary for testing sdist
 include mypy-requirements.txt
 include build-requirements.txt
+include dev-requirements.in
+include dev-requirements.txt
 include test-requirements.in
 include test-requirements.txt
 include mypy_self_check.ini

dev-requirements.in

@@ -0,0 +1,7 @@
+# If you change this file (or {mypy,build,test}-requirements.txt), please install pip-tools and run:
+# pip-compile --output-file=dev-requirements.txt --strip-extras --allow-unsafe dev-requirements.in
+
+-r mypy-requirements.txt
+-r build-requirements.txt
+-r test-requirements.txt
+pre_commit>=3.5.0

dev-requirements.txt

@@ -0,0 +1,113 @@
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile --allow-unsafe --no-index --output-file=dev-requirements.txt --strip-extras dev-requirements.in
+#
+ast-serialize==0.11.2
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.txt
+attrs==26.1.0
+    # via -r test-requirements.txt
+cfgv==3.5.0
+    # via pre-commit
+coverage==7.15.4
+    # via
+    #   -r test-requirements.txt
+    #   pytest-cov
+distlib==0.4.3
+    # via virtualenv
+exceptiongroup==1.3.1
+    # via
+    #   -r test-requirements.txt
+    #   pytest
+execnet==2.1.2
+    # via
+    #   -r test-requirements.txt
+    #   pytest-xdist
+filelock==3.32.3
+    # via
+    #   -r test-requirements.txt
+    #   python-discovery
+    #   virtualenv
+identify==2.6.19
+    # via pre-commit
+iniconfig==2.3.0
+    # via
+    #   -r test-requirements.txt
+    #   pytest
+librt==0.15.0 ; platform_python_implementation != "PyPy"
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.txt
+lxml==6.1.2 ; python_version < "3.16"
+    # via -r test-requirements.txt
+mypy-extensions==1.1.0
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.txt
+nodeenv==1.10.0
+    # via pre-commit
+packaging==26.3
+    # via
+    #   -r test-requirements.txt
+    #   pytest
+pathspec==1.1.1
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.txt
+platformdirs==4.11.9
+    # via virtualenv
+pluggy==1.6.0
+    # via
+    #   -r test-requirements.txt
+    #   pytest
+    #   pytest-cov
+pre-commit==4.6.2
+    # via -r dev-requirements.in
+psutil==7.2.2
+    # via -r test-requirements.txt
+pygments==2.21.0
+    # via
+    #   -r test-requirements.txt
+    #   pytest
+pytest==9.1.1
+    # via
+    #   -r test-requirements.txt
+    #   pytest-cov
+    #   pytest-xdist
+pytest-cov==7.1.0
+    # via -r test-requirements.txt
+pytest-xdist==3.8.0
+    # via -r test-requirements.txt
+python-discovery==1.6.0
+    # via virtualenv
+pyyaml==6.0.3
+    # via pre-commit
+tomli==2.4.1 ; python_version < "3.11"
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.txt
+    #   coverage
+    #   pytest
+types-psutil==7.2.2.20260518
+    # via
+    #   -r build-requirements.txt
+    #   -r test-requirements.txt
+types-setuptools==84.0.0.20260812
+    # via
+    #   -r build-requirements.txt
+    #   -r test-requirements.txt
+typing-extensions==4.16.0 ; python_version < "3.15"
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.txt
+    #   exceptiongroup
+    #   virtualenv
+virtualenv==21.7.10
+    # via pre-commit
+
+# The following packages are considered to be unsafe in a requirements file:
+setuptools==84.0.0
+    # via -r test-requirements.txt

mypyc/doc/dev-intro.md

@@ -450,7 +450,7 @@ $ make -s -j16
 $ ./python -m venv ~/<venv-location>  # Use ./python.exe -m venv ... on macOS
 $ source ~/<venv-location>/bin/activate
 $ cd <mypy-repo-dir>
-$ pip install -r test-requirements.txt
+$ pip install -r dev-requirements.txt
 ```
 
 ### IR Tests

test-requirements.in

@@ -1,4 +1,4 @@
-# If you change this file (or mypy-requirements.txt or build-requirements.txt), please run:
+# If you change this file (or {mypy,build,dev}-requirements.txt), please install pip-tools and run:
 # pip-compile --output-file=test-requirements.txt --strip-extras --allow-unsafe test-requirements.in
 
 -r mypy-requirements.txt
@@ -12,4 +12,3 @@ pytest-xdist>=1.34.0
 pytest-cov>=2.10.0
 setuptools>=77.0.3
 tomli>=1.1.0  # needed even on py311+ so the self check passes with --python-version 3.10
-pre_commit>=3.5.0

test-requirements.txt

@@ -1,28 +1,21 @@
 #
-# This file is autogenerated by pip-compile with Python 3.14
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
-#    pip-compile --allow-unsafe --output-file=test-requirements.txt --strip-extras test-requirements.in
+#    pip-compile --allow-unsafe --no-index --output-file=test-requirements.txt --strip-extras test-requirements.in
 #
 ast-serialize==0.11.2
     # via -r mypy-requirements.txt
 attrs==26.1.0
     # via -r test-requirements.in
-cfgv==3.5.0
-    # via pre-commit
 coverage==7.15.4
     # via pytest-cov
-distlib==0.4.3
-    # via virtualenv
+exceptiongroup==1.3.1
+    # via pytest
 execnet==2.1.2
     # via pytest-xdist
 filelock==3.32.3
-    # via
-    #   -r test-requirements.in
-    #   python-discovery
-    #   virtualenv
-identify==2.6.19
-    # via pre-commit
+    # via -r test-requirements.in
 iniconfig==2.3.0
     # via pytest
 librt==0.15.0 ; platform_python_implementation != "PyPy"
@@ -31,20 +24,14 @@ lxml==6.1.2 ; python_version < "3.16"
     # via -r test-requirements.in
 mypy-extensions==1.1.0
     # via -r mypy-requirements.txt
-nodeenv==1.10.0
-    # via pre-commit
 packaging==26.3
     # via pytest
 pathspec==1.1.1
     # via -r mypy-requirements.txt
-platformdirs==4.11.3
-    # via virtualenv
 pluggy==1.6.0
     # via
     #   pytest
     #   pytest-cov
-pre-commit==4.6.2
-    # via -r test-requirements.in
 psutil==7.2.2
     # via -r test-requirements.in
 pygments==2.21.0
@@ -58,20 +45,20 @@ pytest-cov==7.1.0
     # via -r test-requirements.in
 pytest-xdist==3.8.0
     # via -r test-requirements.in
-python-discovery==1.5.2
-    # via virtualenv
-pyyaml==6.0.3
-    # via pre-commit
-tomli==2.4.1
-    # via -r test-requirements.in
+tomli==2.4.1 ; python_version < "3.11"
+    # via
+    #   -r mypy-requirements.txt
+    #   -r test-requirements.in
+    #   coverage
+    #   pytest
 types-psutil==7.2.2.20260518
     # via -r build-requirements.txt
 types-setuptools==84.0.0.20260812
     # via -r build-requirements.txt
-typing-extensions==4.16.0
-    # via -r mypy-requirements.txt
-virtualenv==21.7.4
-    # via pre-commit
+typing-extensions==4.16.0 ; python_version < "3.15"
+    # via
+    #   -r mypy-requirements.txt
+    #   exceptiongroup
 
 # The following packages are considered to be unsafe in a requirements file:
 setuptools==84.0.0