chore(internal): add bin script

bin/check-env-state.py

@@ -0,0 +1,40 @@
+"""Script that exits 1 if the current environment is not
+in sync with the `requirements-dev.lock` file.
+"""
+
+from pathlib import Path
+
+import importlib_metadata
+
+
+def should_run_sync() -> bool:
+    dev_lock = Path(__file__).parent.parent.joinpath("requirements-dev.lock")
+
+    for line in dev_lock.read_text().splitlines():
+        if not line or line.startswith("#") or line.startswith("-e"):
+            continue
+
+        dep, lock_version = line.split("==")
+
+        try:
+            version = importlib_metadata.version(dep)
+
+            if lock_version != version:
+                print(f"mismatch for {dep} current={version} lock={lock_version}")
+                return True
+        except Exception:
+            print(f"could not import {dep}")
+            return True
+
+    return False
+
+
+def main() -> None:
+    if should_run_sync():
+        exit(1)
+    else:
+        exit(0)
+
+
+if __name__ == "__main__":
+    main()

pyproject.toml

@@ -58,6 +58,7 @@ dev-dependencies = [
     "time-machine",
     "nox",
     "dirty-equals>=0.6.0",
+    "importlib-metadata>=6.7.0",
 
 ]
 

requirements-dev.lock

@@ -24,6 +24,7 @@ h11==0.14.0
 httpcore==1.0.2
 httpx==0.25.2
 idna==3.4
+importlib-metadata==7.0.0
 iniconfig==2.0.0
 isort==5.10.1
 mypy==1.7.1
@@ -50,5 +51,6 @@ time-machine==2.9.0
 tomli==2.0.1
 typing-extensions==4.8.0
 virtualenv==20.24.5
+zipp==3.17.0
 # The following packages are considered to be unsafe in a requirements file:
 setuptools==68.2.2