Add Apache 2.0 license headers and related scripts to the repository

.github/CODE_OF_CONDUCT.md

@@ -1,3 +1,7 @@
+<!--
+Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+SPDX-License-Identifier: Apache-2.0
+-->
 # Code of Conduct for {project name}
 
 Please see the [Community Code of Conduct](https://www.finos.org/code-of-conduct).

.github/ISSUE_TEMPLATE/Bug_report.md

@@ -1,3 +1,7 @@
+<!--
+Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+SPDX-License-Identifier: Apache-2.0
+-->
 ---
 name: 🐛 Bug Report
 about: If something isn't working as expected 🤔.

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -1,3 +1,7 @@
+<!--
+Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+SPDX-License-Identifier: Apache-2.0
+-->
 ---
 name: 🚀 Feature Request
 about: I have a suggestion (and may want to implement it 🙂)!

.github/ISSUE_TEMPLATE/Support_question.md

@@ -1,3 +1,7 @@
+<!--
+Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+SPDX-License-Identifier: Apache-2.0
+-->
 ---
 name: 🤗 Support Question
 about: If you have a question about configuration, usage, etc. 💬

.github/ISSUE_TEMPLATE/meeting-minutes.md

@@ -1,3 +1,7 @@
+<!--
+Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+SPDX-License-Identifier: Apache-2.0
+-->
 ---
 name: "\U0001F91D {project name} Meeting Minutes"
 about: To track {project name} meeting agenda and attendance

.github/workflows/build-python-package.yml

@@ -1,3 +1,7 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 name: Build and Release Wheel
 
 on:

.github/workflows/check-license-headers.yml

@@ -0,0 +1,39 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
+name: Check License Headers
+
+on:
+  push:
+    branches:
+      - main
+      - develop
+  pull_request:
+    branches:
+      - main
+      - develop
+
+jobs:
+  license-headers:
+    name: Verify license headers
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install licenseheaders
+        run: pip install licenseheaders
+
+      - name: Check license headers
+        run: |
+          src/license/apply_headers.sh
+          git diff --exit-code || \
+            (echo "One or more files are missing a license header. Run 'src/license/apply_headers.sh' locally to fix." && \
+             exit 1)

.github/workflows/cve-scanning-python.yml

@@ -1,3 +1,7 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 name: CVE Scanning for Python
 
 on:

.github/workflows/license-scanning-python.yml

@@ -1,3 +1,7 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 name: License Scanning for Python
 
 on:

.github/workflows/release.yml

@@ -1,3 +1,7 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 name: Publish to PyPi
 
 on:

.github/workflows/run-tests.yml

@@ -1,3 +1,7 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 name: Run Unit Tests
 
 on:

.pre-commit-config.yaml

@@ -0,0 +1,25 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
+repos:
+  - repo: local
+    hooks:
+      - id: license-headers-dirs
+        name: Add/check license headers (src, test, .github)
+        entry: licenseheaders
+        args: [-t, src/license/header.txt, --dir, src, --dir, test, --dir, .github]
+        language: python
+        additional_dependencies: [licenseheaders>=0.8.8]
+        types_or: [python, yaml, shell, toml]
+        pass_filenames: false
+      - id: license-headers-files
+        name: Add/check license headers (root files)
+        entry: licenseheaders
+        args: [-t, src/license/header.txt, --additional-extensions, python=.toml,
+               -f, build_wheel.sh, dev_clean_setup.sh, netlify.toml, pyproject.toml,
+               safety-policy.yml, .pre-commit-config.yaml]
+        language: python
+        additional_dependencies: [licenseheaders>=0.8.8]
+        types_or: [python, yaml, shell, toml]
+        pass_filenames: false

README.md

@@ -25,6 +25,20 @@ Use [dev_clean_setup.sh](https://github.com/Cloudrisk/rune-python-runtime/blob/m
 ```sh
 ./dev_clean_setup.sh
 ```
+
+This script installs all dev dependencies and registers the pre-commit hooks, including the license-header check. Every `.py` file under `src/` and `test/` must carry the Apache 2.0 SPDX header:
+
+```python
+# Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+# SPDX-License-Identifier: Apache-2.0
+```
+
+To add missing headers to all files at any time, run:
+
+```sh
+src/license/apply_headers.sh
+```
+
 ### 3. Build
 Use [build_wheel.sh](https://github.com/Cloudrisk/rune-python-runtime/blob/main/build_wheel.sh) to build the package
 ```sh

build_wheel.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 
 function error
 {

dev_clean_setup.sh

@@ -1,4 +1,8 @@
 #!/bin/bash
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 
 function error
 {
@@ -34,3 +38,5 @@ ${PY_EXE} -m venv --clear .pydevenv || error
 
 
 python -m pip install -e .[dev] --config-settings editable_mode=compat || error
+
+pre-commit install || error

netlify.toml

@@ -1,2 +1,6 @@
+#
+# Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+# SPDX-License-Identifier: Apache-2.0
+#
 [build]
    ignore = "/bin/false"

pyproject.toml

@@ -1,3 +1,7 @@
+#
+# Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+# SPDX-License-Identifier: Apache-2.0
+#
 [build-system]
 requires = ["setuptools>=64", "setuptools_scm>=8", "wheel>=0.45.1", "pytest-runner>=6.0.1"]
 build-backend = "setuptools.build_meta"
@@ -15,7 +19,9 @@ optional-dependencies.dev = [
     "pytest>=9.0.2",
     "pytest-cov>=7.0.0",
     "pytest-mock>=3.14.1",
-    "types-python-dateutil>=2.9.0.20250809"
+    "types-python-dateutil>=2.9.0.20250809",
+    "licenseheaders>=0.8.8",
+    "pre-commit>=3.0.0"
 ]
 description = "rune-runtime: the Rune DSL runtime for Python"
 readme = "README.md"

safety-policy.yml

@@ -1,3 +1,7 @@
+##
+## Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+## SPDX-License-Identifier: Apache-2.0
+##
 security:
     ignore-cvss-severity-below: 6
     ignore-cvss-unknown-severity: False

src/license/apply_headers.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+# Applies the Apache 2.0 SPDX license header to all tracked source files.
+set -e
+TMPL="$(dirname "$0")/header.txt"
+licenseheaders -t "$TMPL" --dir src --dir test --dir .github
+licenseheaders -t "$TMPL" --additional-extensions python=.toml -f build_wheel.sh dev_clean_setup.sh netlify.toml pyproject.toml safety-policy.yml .pre-commit-config.yaml

src/license/header.txt

@@ -0,0 +1,2 @@
+Copyright (c) 2023-2026 CLOUDRISK Limited and FT Advisory LLC
+SPDX-License-Identifier: Apache-2.0

src/rune/runtime/base_data_class.py

@@ -107,7 +107,7 @@ def _unwrap_cow_inputs(cls, data: Any) -> Any:
     @model_serializer(mode='wrap')
     def _serialize_refs(self, serializer, info):
         '''should replace objects with refs while serializing'''
-        res = serializer(self, info)
+        res = serializer(self)
         refs = self._get_rune_refs_container()
         for property_nm, (key, ref_type) in refs.items():
             res[property_nm] = {ref_type.rune_ref_tag: key}