Don't activate venv in devcontainer

.pre-commit-config.yaml

@@ -45,6 +45,6 @@ repos:
     hooks:
       - id: pylint
         name: pylint
-        entry: python script/run-in-env pylint
+        entry: python3 script/run-in-env.py pylint
         language: system
         types: [python]

script/run-in-env.py

@@ -7,6 +7,13 @@ import sys
 
 
 def find_and_activate_virtualenv():
+    if (
+        ("VIRTUAL_ENV" in os.environ)
+        or os.environ.get("DEVCONTAINER", False)
+        or os.environ.get("ESPHOME_NO_VENV", False)
+    ):
+        return
+
     try:
         # Get the top-level directory of the git repository
         my_path = subprocess.check_output(
@@ -17,7 +24,7 @@ def find_and_activate_virtualenv():
             "Error: Not a git repository or unable to determine the top-level directory.",
             file=sys.stderr,
         )
-        sys.exit(1)
+        return
 
     # Check for virtual environments
     for venv in ["venv", ".venv", "."]:
@@ -29,25 +36,26 @@ def find_and_activate_virtualenv():
         )
         if activate_path.exists():
             # Activate the virtual environment by updating PATH
-            env = os.environ.copy()
             venv_bin_dir = activate_path.parent
-            env["PATH"] = f"{venv_bin_dir}{os.pathsep}{env['PATH']}"
-            env["VIRTUAL_ENV"] = str(venv_bin_dir.parent)
+            os.environ["PATH"] = f"{venv_bin_dir}{os.pathsep}{os.environ['PATH']}"
+            os.environ["VIRTUAL_ENV"] = str(venv_bin_dir.parent)
             print(f"Activated virtual environment: {venv_bin_dir.parent}")
-
-            # Execute the remaining arguments in the new environment
-            if len(sys.argv) > 1:
-                subprocess.run(sys.argv[1:], env=env, check=False)
-            else:
-                print(
-                    "No command provided to run in the virtual environment.",
-                    file=sys.stderr,
-                )
             return
 
     print("No virtual environment found.", file=sys.stderr)
-    sys.exit(1)
+
+
+def run_command():
+    # Execute the remaining arguments in the new environment
+    if len(sys.argv) > 1:
+        subprocess.run(sys.argv[1:], check=False)
+    else:
+        print(
+            "No command provided to run in the virtual environment.",
+            file=sys.stderr,
+        )
 
 
 if __name__ == "__main__":
     find_and_activate_virtualenv()
+    run_command()