chore(license): add SPDX identifiers to all source files

examples/01_simple.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/01-simple` to PyreWire.
 
 Inline EDB facts + a single recursive rule. Uses

examples/02_reachability.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/02-graph-reachability` to PyreWire.
 
 Transitive closure over a directed graph encoded as inline `edge`

examples/03_bitwise.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/03-bitwise-operations` to PyreWire.
 
 Demonstrates wirelog's built-in bitwise functors: `band` / `bor` /

examples/04_hash_functions.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/04-hash-functions` to PyreWire.
 
 Demonstrates wirelog's built-in `hash()` functor for the three tasks

examples/05_crc32_checksum.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/05-crc32-checksum` to PyreWire.
 
 Demonstrates wirelog's `crc32_ethernet()` built-in by validating frame

examples/06_timestamp_lww.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/06-timestamp-lww` to PyreWire.
 
 Last-Writer-Wins via the `max()` aggregate: for each key, keep the

examples/07_multi_source_analysis.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/07-multi-source-analysis` to PyreWire.
 
 Two CRM sources (`src_a`, `src_b`) supply customer records. The

examples/08_delta_queries.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/08-delta-queries` to PyreWire.
 
 Demonstrates wirelog's delta-callback pipeline through `EasySession.step`.

examples/10_recursive_under_update.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/10-recursive-under-update` to PyreWire.
 
 Demonstrates that wirelog correctly maintains a RECURSIVE rule under

examples/11_time_evolution.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/11-time-evolution` to PyreWire.
 
 Each `EasySession.step()` is a discrete time epoch — the delta

examples/12_batch_vs_session.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """PyreWire-flavoured port of the spirit of wirelog
 `examples/12-snapshot-vs-delta`.
 

examples/12_snapshot_vs_delta.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/12-snapshot-vs-delta` to PyreWire.
 
 Compares the two read paths exposed by `EasySession`:

examples/csv_adapter_reachability.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Self-contained `.input` example backed by a Python IO adapter.
 
 The upstream wirelog examples often load EDB relations from CSV files.

examples/retraction_basics.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Port of wirelog `examples/09-retraction-basics` to PyreWire.
 
 Demonstrates z-set retraction semantics through `EasySession.step`:

scripts/bundle_libwirelog.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Copy the built wirelog library into `src/pyrewire/_lib` before wheel build."""
 
 from __future__ import annotations

scripts/ci/check_dynamic_link.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Verify every PyreWire wheel ships libwirelog *dynamically* (#32).
 
 Run after the wheel build matrix from #30; takes wheel paths on the

scripts/ci/extract_changelog_section.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Extract one released changelog section into a standalone notes file."""
 
 from __future__ import annotations

setup.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Build shim that forces a platform-specific wheel."""
 
 from __future__ import annotations

src/pyrewire/__init__.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """PyreWire - Python wrapper for wirelog declarative dataflow analysis."""
 
 __version__ = "1.0.1"

src/pyrewire/_core/__init__.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Internal helpers shared across PyreWire's high-level wrappers.
 
 Like `pyrewire._ffi`, this package is private. Public symbols are

src/pyrewire/_core/_libc.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Lazy, platform-aware libc `malloc`/`free` helper.
 
 Several FFI consumers (parser fact extraction, IR string accessor, IO

src/pyrewire/_core/callbacks.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Process-wide registry of callback trampolines.
 
 wirelog invokes user callbacks from its own worker threads. Two

src/pyrewire/_core/errors.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Typed exception hierarchy for wirelog error codes.
 
 Every wirelog C entry point that can fail returns `wirelog_error_t`

src/pyrewire/_core/intern.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Bidirectional `str` ↔ wirelog intern-id cache.
 
 wirelog represents every `STRING` column value as an `int64` id assigned

src/pyrewire/_core/stdcapture.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Capture C-level stdout (file descriptor 1) into a Python `BytesIO`.
 
 Several wirelog entry points (`wirelog_optimizer_debug`,

src/pyrewire/_ffi/__init__.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Internal FFI layer for PyreWire.
 
 This package is private to PyreWire (note the leading underscore). User code

src/pyrewire/_ffi/_advanced.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Raw ctypes bindings for the wirelog advanced session API (#20).
 
 Covers 8 entry points from `wirelog/wirelog-advanced.h`:

src/pyrewire/_ffi/_easy.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Raw ctypes bindings for `wirelog_easy_*` (the easy facade).
 
 This module mirrors `wirelog/wirelog-easy.h` 1:1 — every function's

src/pyrewire/_ffi/_enums.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Enums mirroring wirelog public C enums.
 
 Values match `wirelog/wirelog.h` and `wirelog/wirelog-types.h` byte-for-byte.

src/pyrewire/_ffi/_executor.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Raw ctypes bindings for wirelog's batch-executor surface (#16).
 
 Covers:

src/pyrewire/_ffi/_io.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Raw ctypes bindings for wirelog's IO-adapter ABI (#26).
 
 Covers:

src/pyrewire/_ffi/_ir.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Raw ctypes bindings for wirelog's IR-inspection entry points.
 
 Six functions from `wirelog/wirelog-ir.h`:

src/pyrewire/_ffi/_loader.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """libwirelog discovery, loading, and runtime version verification.
 
 PyreWire and wirelog version independently. PyreWire declares the oldest

src/pyrewire/_ffi/_parser.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Raw ctypes bindings for wirelog's parser, program introspection, and
 optimizer / fact-loading entry points.
 

src/pyrewire/_ffi/_types.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """ctypes structures and callback function-pointer types mirroring
 wirelog's public C ABI.
 

src/pyrewire/_ffi/_util.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Wrappers for wirelog utility entry points (version, error_string,
 config probes, enum-to-string converters).
 

src/pyrewire/_lib/__init__.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Wheel-bundled shared libraries live in this package."""
 
 from __future__ import annotations

src/pyrewire/asyncio_session.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Asyncio-friendly proxies around the synchronous wirelog session APIs (#29).
 
 wirelog sessions are not thread-safe; running every call from one

src/pyrewire/batch.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """High-level batch pipeline: Program → optimize → evaluate → Result (#17 / #18).
 
 `BatchProgram` is the simplest way to compute the full IDB closure of a

src/pyrewire/compound.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Session-local compound handles (#23).
 
 `wirelog_session_make_compound` and `wirelog_easy_make_compound` return

src/pyrewire/helpers.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """User-facing helpers that mirror or replace unsafe wirelog C utilities.
 
 This module is **process-safe**: every helper degrades gracefully on

src/pyrewire/io_adapter.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """`@register_adapter` decorator for wirelog IO adapters (#27).
 
 Lets Python classes serve as the source for `.input Rel(IO="scheme", …)`

src/pyrewire/ir.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Lazy Python wrapper around a `wirelog_ir_node_t *` (#25).
 
 `IRNode` does not own the C pointer — the IR tree lives inside the

src/pyrewire/program.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """High-level wrapper around a parsed wirelog program.
 
 `Program` owns a `wirelog_program_t*` and exposes typed introspection:

src/pyrewire/session.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """High-level session wrappers over wirelog's facade APIs.
 
 `EasySession` (#9) wraps `wirelog_easy_*`. `Session` (#21) wraps the

tests/__init__.py

@@ -1 +1,2 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for PyreWire."""

tests/docs/test_api_stability_contract.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression coverage for the documented v1.0 public API policy."""
 
 from __future__ import annotations

tests/docs/test_doc_examples_executable.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression: every Python code block in `README.md` and
 `docs/quickstart.md` must run cleanly (#122).
 

tests/docs/test_mkdocs_build.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression: `mkdocs build --strict` must succeed (#34).
 
 Strict mode fails on stale cross-references caused by renamed or

tests/docs/test_release_candidate_checklist.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression coverage for the v1.0.0 release candidate checklist."""
 
 from __future__ import annotations

tests/docs/test_semantics_executable.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression: every Python code block in `docs/semantics/*.md` must run.
 
 Pages annotated with `# expected: <exception>` are allowed to raise

tests/docs/test_support_matrix.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression coverage for the documented v1.0 support matrix."""
 
 from __future__ import annotations

tests/docs/test_versioning_contract.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression coverage for the documented PyreWire/wirelog compatibility contract."""
 
 from __future__ import annotations

tests/integration/__init__.py

@@ -0,0 +1 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later

tests/integration/test_examples.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Run every ported example and assert the result is well-formed (#35).
 
 We don't pin specific row contents because some examples include

tests/integration/test_retraction_basics.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Integration test mirroring wirelog `examples/09-retraction-basics` (#12).
 
 Drives `EasySession.step()` through the three retraction phases:

tests/integration/test_wheel_install.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Integration test against an installed PyreWire wheel (#33).
 
 Runs in the `install_test` job of `.github/workflows/wheels.yml`

tests/test_abi_smoke.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """ABI smoke test: every public wirelog symbol must resolve at runtime.
 
 The canonical manifest lives at `tests/data/wirelog_abi.txt`. When wirelog

tests/test_advanced_ffi.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire._ffi._advanced` (#20)."""
 
 from __future__ import annotations

tests/test_async.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire.asyncio_session` (#29)."""
 
 from __future__ import annotations

tests/test_batch.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire.batch.BatchProgram` and `Result` (#17 + #18)."""
 
 from __future__ import annotations

tests/test_batch_loadfacts.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `BatchProgram.load_all_facts` / `load_input_files` /
 `optimizer_debug` (#19)."""
 

tests/test_callbacks.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire._core.callbacks`."""
 
 from __future__ import annotations

tests/test_changelog_format.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression: `CHANGELOG.md` must stay in sync with the project version (#37).
 
 A release is "ready" when the topmost dated section in `CHANGELOG.md`

tests/test_check_dynamic_link.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `scripts/ci/check_dynamic_link.py` (#32)."""
 
 from __future__ import annotations

tests/test_ci_workflow.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression coverage for the main CI workflow."""
 
 from __future__ import annotations

tests/test_compound.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire.compound` (#23)."""
 
 from __future__ import annotations

tests/test_dependabot_config.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression coverage for Dependabot configuration in this repository."""
 
 from __future__ import annotations

tests/test_easy_deltas.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Additional EasySession delta tests (originally from PR #71).
 
 PR #97 shipped `EasySession.step / snapshot / set_delta_callback` on a

tests/test_easy_ffi.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Smoke tests for `pyrewire._ffi._easy` bindings.
 
 Verifies that the easy facade's 14 entry points are reachable and that

tests/test_easy_insert_sym.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `EasySession.insert_sym` / `remove_sym` (#44)."""
 
 from __future__ import annotations

tests/test_easy_session.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `EasySession` lifecycle, intern, insert, remove (#9)."""
 
 from __future__ import annotations

tests/test_easy_step_monkeypatched.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Monkey-patched tests for `EasySession.step` / `snapshot` /
 `set_delta_callback` (#10 + #11).
 

tests/test_easy_step_snapshot.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `EasySession.step` / `set_delta_callback` / `snapshot` (#10 + #11).
 
 The delta-mode machinery requires the wirelog#852 recursive-aggregation

tests/test_errors.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire._core.errors`."""
 
 from __future__ import annotations

tests/test_executor_ffi.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire._ffi._executor` bindings (#16)."""
 
 from __future__ import annotations

tests/test_extract_changelog_section.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 from __future__ import annotations
 
 import importlib.util

tests/test_ffi_types.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire._ffi._enums` and `pyrewire._ffi._types`.
 
 Per project convention, tests should consume the public API only. These

tests/test_helpers.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Tests for `pyrewire.helpers` (#46)."""
 
 from __future__ import annotations

tests/test_install_test_workflow.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0 OR GPL-3.0-or-later
 """Regression: the `install_test` job in wheels.yml stays wired (#33)."""
 
 from __future__ import annotations