Call pre-commit on generated files from within the generate script.

Update pre_commit to rebuild when spec or setup.py has changed.

.pre-commit-config.yaml

@@ -1,5 +1,13 @@
 exclude: (\.git/|\.tox/|\.venv/|le_utils\.egg-info)
 repos:
+-   repo: local
+    hooks:
+    -   id: rebuild
+        name: Regenerate files
+        description: Regenerates files when specs or version has changed
+        entry: make build
+        language: system
+        files: (spec/.*\.json|setup\.py)$
 -   repo: https://github.com/pre-commit/pre-commit-hooks
     rev: v2.0.0
     hooks:

Makefile

@@ -26,7 +26,6 @@ test:
 build:
 	pip install -e .
 	python scripts/generate_from_specs.py
-	pre-commit run --all-files || true
 
 release: clean build
 	python setup.py sdist

scripts/generate_from_specs.py

@@ -8,6 +8,7 @@
 import os
 import re
 import string
+import subprocess
 import sys
 from collections import OrderedDict
 from glob import glob
@@ -238,26 +239,34 @@ def write_js_file(output_file, name, ordered_output, schema=None):
 
 
 def write_labels_src_files(label_outputs):
+    output_files = []
     for label_type, ordered_output in label_outputs.items():
         py_output_file = os.path.join(
             py_labels_output_dir, "{}.py".format(pascal_to_snake(label_type))
         )
         write_python_file(py_output_file, label_type, ordered_output)
+        output_files.append(py_output_file)
 
         js_output_file = os.path.join(js_labels_output_dir, "{}.js".format(label_type))
         write_js_file(js_output_file, label_type, ordered_output)
+        output_files.append(js_output_file)
+    return output_files
 
 
 def write_constants_src_files(constants_outputs, schemas):
+    output_files = []
     for constant_type, ordered_output in constants_outputs.items():
         py_output_file = os.path.join(
             py_output_dir, "{}.py".format(pascal_to_snake(constant_type))
         )
         schema = schemas.get(constant_type)
         write_python_file(py_output_file, constant_type, ordered_output, schema=schema)
+        output_files.append(py_output_file)
 
         js_output_file = os.path.join(js_output_dir, "{}.js".format(constant_type))
         write_js_file(js_output_file, constant_type, ordered_output, schema=schema)
+        output_files.append(js_output_file)
+    return output_files
 
 
 def set_package_json_version():
@@ -279,6 +288,7 @@ def set_package_json_version():
             else:
                 f.write("\n")
             f.write(line.rstrip())
+    return [package_json]
 
 
 if __name__ == "__main__":
@@ -289,8 +299,12 @@ def set_package_json_version():
     schemas_to_write, schema_constants_to_write = read_schema_specs()
     constants_to_write.update(schema_constants_to_write)
 
-    write_labels_src_files(labels_to_write)
+    output_files = []
 
-    write_constants_src_files(constants_to_write, schemas_to_write)
+    output_files += write_labels_src_files(labels_to_write)
 
-    set_package_json_version()
+    output_files += write_constants_src_files(constants_to_write, schemas_to_write)
+
+    output_files += set_package_json_version()
+
+    subprocess.call(["pre-commit", "run", "--files"] + output_files)