[SDK][Python] Add script to embed version from package.json (#3658)

packages/sdk/python/human-protocol-sdk/Makefile

@@ -20,6 +20,7 @@ run-test:
 build-package:
 	make clean-package
 	make build-contracts
+	python3 scripts/embed_version.py
 	python3 setup.py sdist bdist_wheel
 
 publish-package:

packages/sdk/python/human-protocol-sdk/human_protocol_sdk/__init__.py

@@ -1,18 +1 @@
-from pathlib import Path
-import json
-
-_base_dir = Path(__file__).resolve().parent.parent
-_pkg_json_path = _base_dir / "package.json"
-try:
-    with _pkg_json_path.open("r", encoding="utf-8") as f:
-        _pkg = json.load(f)
-except FileNotFoundError as e:
-    raise RuntimeError(f"package.json not found at {_pkg_json_path}") from e
-except Exception as e:
-    raise RuntimeError("Failed to read package.json") from e
-
-_v = _pkg.get("version")
-if not isinstance(_v, str) or not _v.strip():
-    raise RuntimeError("Missing or empty 'version' in package.json")
-
-__version__ = _v
+__version__ = "5.0.0"

packages/sdk/python/human-protocol-sdk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@human-protocol/python-sdk",
-  "version": "5.0.0",
+  "version": "5.0.1",
   "private": true,
   "description": "Stub package to integrate the Python SDK with Changesets (dev-only).",
   "license": "MIT"

packages/sdk/python/human-protocol-sdk/scripts/embed_version.py

@@ -0,0 +1,30 @@
+from pathlib import Path
+import json
+import re
+import sys
+
+root = Path(__file__).resolve().parents[1]
+pkg_json = root / "package.json"
+init_py = root / "human_protocol_sdk" / "__init__.py"
+
+try:
+    data = json.loads(pkg_json.read_text(encoding="utf-8"))
+    ver = data.get("version")
+    if not isinstance(ver, str) or not ver.strip():
+        raise ValueError("Missing or empty 'version' in package.json")
+except Exception as e:
+    print(f"[embed_version] Error reading {pkg_json}: {e}", file=sys.stderr)
+    sys.exit(1)
+
+src = init_py.read_text(encoding="utf-8")
+new, count = re.subn(
+    r'^__version__\s*=\s*["\'].*?["\']\s*$',
+    f'__version__ = "{ver}"',
+    src,
+    flags=re.MULTILINE,
+)
+print(f"[embed_version] Found {count} existing __version__ entries in {init_py}")
+if count == 0:
+    new = src.rstrip() + f'__version__ = "{ver}"\n'
+
+init_py.write_text(new, encoding="utf-8")