Change cuda.core license to Apache-2.0 & make contributing guides clear

.bandit

@@ -1,2 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
+
 [bandit]
 skips = B101,B311

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Bug Report
 description: Create a report to help us improve
 title: '[BUG]: '

.github/ISSUE_TEMPLATE/config.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 blank_issues_enabled: true
 contact_links:
   - name: Questions

.github/ISSUE_TEMPLATE/doc_request.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Documentation Request
 description: Suggest an idea to improve cuda-python
 title: '[DOC]: '

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Feature Request
 description: Suggest an idea to improve cuda-python
 title: '[FEA]: '

.github/ISSUE_TEMPLATE/release_checklist.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Release Checklist
 description: Public checklist for release managers making a subpackage release
 labels: ["P0"]

.github/actions/doc_preview/action.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Preview or clean up docs built from PRs
 
 # A re-implementation based on the logic of https://github.com/rossjrw/pr-preview-action/blob/41a957c44a456a34718e9bcf825363194db5e6d5/README.md, due to limitations illustrated in NVIDIA/cuda-python#380.

.github/actions/fetch_ctk/action.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Fetch mini CTK
 
 description: Fetch (or create) a mini CUDA Toolkit from cache

.github/actions/get_pr_number/action.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Get the PR number
 
 description: Get the PR number without relying on the pull_request* event triggers.

.github/actions/install_unix_deps/action.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Install dependencies on Ubuntu
 
 description: Install needed dependencies, regardless if using GitHub- or self- hosted runners, container, sudo or not.

.github/workflows/backport.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Backport the merged PR"
 
 on:

.github/workflows/bandit.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "Static Analysis: Bandit Scan"
 
 on:

.github/workflows/build-and-test.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 # Note: This name is referred to in the test job, so make sure any changes are sync'd up!
 name: "CI: Build and test"
 

.github/workflows/build-docs.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Build and update docs"
 
 on:

.github/workflows/codeql.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "Static Analysis: CodeQL Scan"
 
 on:

.github/workflows/release-upload.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Upload git archive"
 
 on:

.github/workflows/release.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Release"
 
 description: Manually-triggered release workflow. Must have a release note in the draft state and the release commit tagged.

.github/workflows/status-check.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Summary"
 
 on:

.github/workflows/test-wheel-linux.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Test wheels"
 
 on:

.github/workflows/test-wheel-windows.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: "CI: Test wheels"
 
 on:

.github/workflows/triagelabel.yml

@@ -1,3 +1,7 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 name: Add Triage Label
 
 on:

.pre-commit-config.yaml

@@ -1,4 +1,7 @@
 # Copyright (c) 2024-2025, NVIDIA CORPORATION.
+#
+# SPDX-License-Identifier: Apache-2.0
+
 ci:
     autofix_commit_msg: |
       [pre-commit.ci] auto code formatting

CONTRIBUTING.md

@@ -2,11 +2,13 @@
 
 Thank you for your interest in contributing to CUDA Python! Based on the type of contribution, it will fall into two categories:
 
-1. You want to report a bug, feature request, or documentation issue
-    - File an [issue](https://github.com/NVIDIA/cuda-python/issues/new)
+1. You want to report a bug, feature request, or documentation issue:
+    - File an [issue](https://github.com/NVIDIA/cuda-python/issues/new/choose)
     describing what you encountered or what you want to see changed.
     - The NVIDIA team will evaluate the issues and triage them, scheduling
     them for a release. If you believe the issue needs priority attention
     comment on the issue to notify the team.
-2. You want to implement a feature or bug-fix
-    - At this time we do not accept code contributions.
+2. You want to implement a feature, improvement, or bug fix:
+    - Please refer to each component's guideline:
+       - [`cuda.core`](https://nvidia.github.io/cuda-python/cuda-core/latest/contribute.html)
+       - [`cuda.bindings`](https://nvidia.github.io/cuda-python/cuda-bindings/latest/contribute.html)

LICENSE.md

@@ -0,0 +1,4 @@
+This repository is structured in a way that files are licensed differently
+   - [`cuda.python`](./cuda_python/): NVIDIA Software License
+   - [`cuda.bindings`](./cuda_bindings/): NVIDIA Software License
+   - [`cuda.core`](./cuda_core/) and everything else in this repository: Apache 2.0

cuda_bindings/docs/source/api.rst

@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 -------------------------
 CUDA Python API Reference
 -------------------------