build: Add pre-commit

requirements_dev.in

@@ -5,6 +5,7 @@ flattentool>=0.14.0
 hypothesis
 libsass
 pip-tools
+pre-commit
 pytest
 pytest-cov
 pytest-django

requirements_dev.txt

@@ -48,6 +48,8 @@ cffi==1.14.5
     # via
     #   -r requirements.txt
     #   persistent
+cfgv==3.4.0
+    # via pre-commit
 charset-normalizer==3.1.0
     # via
     #   -r requirements.txt
@@ -71,6 +73,8 @@ defusedxml==0.7.1
     # via
     #   -r requirements.txt
     #   odfpy
+distlib==0.3.8
+    # via virtualenv
 django==3.2.25
     # via
     #   -r requirements.txt
@@ -95,6 +99,8 @@ exceptiongroup==1.1.3
     #   pytest
     #   trio
     #   trio-websocket
+filelock==3.15.4
+    # via virtualenv
 flake8==3.9.2
     # via -r requirements_dev.in
 flattentool==0.25.0
@@ -107,6 +113,8 @@ h11==0.14.0
     # via wsproto
 hypothesis==6.72.4
     # via -r requirements_dev.in
+identify==2.6.0
+    # via pre-commit
 idna==3.7
     # via
     #   -r requirements.txt
@@ -167,6 +175,8 @@ mdurl==0.1.2
     # via
     #   -r requirements.txt
     #   markdown-it-py
+nodeenv==1.9.1
+    # via pre-commit
 ocdsextensionregistry==0.3.4
     # via
     #   -r requirements.txt
@@ -200,8 +210,11 @@ platformdirs==3.8.1
     # via
     #   -r requirements.txt
     #   requests-cache
+    #   virtualenv
 pluggy==0.13.1
     # via pytest
+pre-commit==3.7.1
+    # via -r requirements_dev.in
 pycodestyle==2.7.0
     # via flake8
 pycparser==2.20
@@ -232,6 +245,8 @@ pytz==2021.1
     #   -r requirements.txt
     #   django
     #   flattentool
+pyyaml==6.0.1
+    # via pre-commit
 referencing==0.29.1
     # via
     #   -r requirements.txt
@@ -326,6 +341,8 @@ urllib3[socks]==2.2.2
     #   requests-cache
     #   selenium
     #   sentry-sdk
+virtualenv==20.24.1
+    # via pre-commit
 webencodings==0.5.1
     # via
     #   -r requirements.txt