Start of 5.X work

tools/protoc_utils/check_python_packages.py

@@ -0,0 +1,48 @@
+import sys
+import pkg_resources
+import subprocess
+
+def check_packages(packages):
+    missing_packages = []
+    for package in packages:
+        try:
+            pkg_resources.require(package)
+        except pkg_resources.DistributionNotFound:
+            missing_packages.append(package)
+    return missing_packages
+
+def install_packages(packages):
+    for package in packages:
+        try:
+            print(f"Installing {package}...")
+            subprocess.check_call([sys.executable, "-m", "pip", "install", package])
+        except subprocess.CalledProcessError:
+            print(f"Failed to install {package}.")
+            return False
+    return True
+
+required_packages = ["protobuf", "grpcio-tools"]
+missing_packages = check_packages(required_packages)
+
+if missing_packages:
+    print("Missing required Python packages:", ", ".join(missing_packages))
+    if install_packages(missing_packages):
+        missing_packages = check_packages(required_packages)
+        if missing_packages:
+            print("Still missing required Python packages after installation attempt:", ", ".join(missing_packages))
+            sys.exit(1)
+    else:
+        sys.exit(1)
+
+print("All required Python packages are installed.")
+
+# Check for the marker file path argument
+if len(sys.argv) < 2:
+    print("Error: No marker file path provided.")
+    sys.exit(1)
+
+marker_file_path = sys.argv[1]
+with open(marker_file_path, "w") as marker_file:
+    marker_file.write("Python packages check completed successfully.")
+
+sys.exit(0)