diff --git a/.github/workflows/python-docs-nightly.yaml b/.github/workflows/python-docs-nightly.yaml
new file mode 100644
index 000000000..8cff9ef5b
--- /dev/null
+++ b/.github/workflows/python-docs-nightly.yaml
@@ -0,0 +1,58 @@
+name: Python API Docs (Nightly)
+
+on:
+ schedule:
+ # Run at 3 AM UTC every day
+ - cron: '0 3 * * *'
+ # Allow manual triggers for testing
+ workflow_dispatch:
+
+concurrency:
+ group: python-docs-${{ github.ref }}
+ cancel-in-progress: true
+
+jobs:
+ generate-docs:
+ name: Generate Python API Documentation
+ runs-on: ubuntu-22.04
+
+ steps:
+ - name: Checkout
+ uses: actions/checkout@v4
+
+ - name: Set up Python 3.10
+ uses: actions/setup-python@v5
+ with:
+ python-version: "3.10"
+
+ - name: Install uv
+ uses: astral-sh/setup-uv@v5
+
+ - name: Install dependencies
+ run: |
+ uv sync --all-extras
+
+ - name: Generate documentation
+ run: |
+ make python-docs
+
+ - name: Upload documentation artifact
+ uses: actions/upload-artifact@v4
+ with:
+ name: python-api-docs
+ path: docs/python
+ retention-days: 90
+
+ - name: Add summary to job
+ run: |
+ echo "## Python API Documentation Generated" >> $GITHUB_STEP_SUMMARY
+ echo "" >> $GITHUB_STEP_SUMMARY
+ echo "📚 Documentation has been generated for the following packages:" >> $GITHUB_STEP_SUMMARY
+ echo "" >> $GITHUB_STEP_SUMMARY
+ echo "- pyln.client - Client library and plugin library" >> $GITHUB_STEP_SUMMARY
+ echo "- pyln.proto - Lightning Network protocol implementation" >> $GITHUB_STEP_SUMMARY
+ echo "- pyln.grpc - gRPC protocol definitions" >> $GITHUB_STEP_SUMMARY
+ echo "- pyln.testing - Testing utilities" >> $GITHUB_STEP_SUMMARY
+ echo "- pyln.spec.bolt7 - BOLT #7 specification implementation" >> $GITHUB_STEP_SUMMARY
+ echo "" >> $GITHUB_STEP_SUMMARY
+ echo "Download the artifact to view the complete API documentation." >> $GITHUB_STEP_SUMMARY
diff --git a/.gitignore b/.gitignore
index a16087153..c54cf7795 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,8 @@ coverage
# Coverage profiling data files
*.profraw
*.profdata
+# Generated Python API documentation
+docs/python
ccan/config.h
__pycache__
config.vars
diff --git a/Makefile b/Makefile
index e1a5e05a9..3c7d7831c 100644
--- a/Makefile
+++ b/Makefile
@@ -689,6 +689,15 @@ coverage-clang-clean:
.PHONY: coverage-clang-collect coverage-clang-report coverage-clang coverage-clang-clean
+# Python API documentation targets
+python-docs:
+ @./contrib/api/generate-python-docs.py
+
+python-docs-clean:
+ rm -rf docs/python
+
+.PHONY: python-docs python-docs-clean
+
# We make libwallycore.la a dependency, so that it gets built normally, without ncc.
# Ncc can't handle the libwally source code (yet).
ncc: ${TARGET_DIR}/libwally-core-build/src/libwallycore.la
diff --git a/contrib/api/generate-python-docs.py b/contrib/api/generate-python-docs.py
new file mode 100755
index 000000000..bfbf66496
--- /dev/null
+++ b/contrib/api/generate-python-docs.py
@@ -0,0 +1,179 @@
+#!/usr/bin/env python3
+"""
+Generate Python API documentation for all workspace packages using pdoc3.
+
+This script generates HTML documentation for all Python packages in the
+Core Lightning workspace and creates an index page linking to all of them.
+"""
+
+import os
+import subprocess
+import sys
+from datetime import datetime
+from pathlib import Path
+
+# Define packages to document (module name -> source directory)
+# Only includes packages that are in the workspace and can be imported
+PACKAGES = {
+ "pyln.client": "contrib/pyln-client",
+ "pyln.proto": "contrib/pyln-proto",
+ "pyln.grpc": "contrib/pyln-grpc-proto",
+ "pyln.testing": "contrib/pyln-testing",
+ "pyln.spec.bolt7": "contrib/pyln-spec/bolt7",
+}
+
+INDEX_HTML_TEMPLATE = """
+
+
+ Core Lightning Python Packages Documentation
+
+
+
+ Core Lightning Python Packages Documentation
+ This page provides links to the API documentation for all Python packages in the Core Lightning workspace.
+
+
+
+
+
Client library and plugin library for Core Lightning
+
+
+
+
+
Lightning Network protocol implementation
+
+
+
+
+
gRPC protocol definitions for Core Lightning
+
+
+
+
+
Testing utilities for Core Lightning
+
+
+
+
+
BOLT #7 specification implementation
+
+
+
+ Generated on {timestamp}
+
+
+"""
+
+
+def generate_docs(output_dir: Path, repo_root: Path):
+ """Generate documentation for all packages."""
+ print(f"Generating Python documentation for all workspace packages...")
+ print(f"Output directory: {output_dir}")
+
+ # Clean and create output directory
+ if output_dir.exists():
+ import shutil
+ shutil.rmtree(output_dir)
+ output_dir.mkdir(parents=True)
+
+ # Change to repo root for imports to work correctly
+ os.chdir(repo_root)
+
+ # Generate documentation for each package
+ for package, source_dir in PACKAGES.items():
+ print(f"Generating docs for {package} (from {source_dir})...")
+
+ try:
+ # Use pdoc3 to generate HTML documentation
+ subprocess.run(
+ [
+ "uv", "run", "pdoc3",
+ "--html",
+ "--output-dir", str(output_dir),
+ "--force",
+ package
+ ],
+ check=True,
+ cwd=repo_root,
+ )
+ except subprocess.CalledProcessError as e:
+ print(f"Warning: Failed to generate docs for {package}, skipping...")
+ print(f"Error: {e}")
+ continue
+
+ # Create index.html
+ index_path = output_dir / "index.html"
+ timestamp = datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S UTC")
+ index_path.write_text(INDEX_HTML_TEMPLATE.format(timestamp=timestamp))
+
+ print("\nDocumentation generated successfully!")
+ print(f"Open {output_dir}/index.html in your browser to view the documentation.")
+
+
+def main():
+ """Main entry point."""
+ # Determine paths
+ script_dir = Path(__file__).parent.resolve()
+ repo_root = script_dir.parent.parent
+
+ # Default output directory
+ output_dir = repo_root / "docs" / "python"
+
+ # Allow override via command line argument
+ if len(sys.argv) > 1:
+ output_dir = Path(sys.argv[1])
+
+ generate_docs(output_dir, repo_root)
+
+
+if __name__ == "__main__":
+ main()
diff --git a/contrib/pyln-client/pyln/client/version.py b/contrib/pyln-client/pyln/client/version.py
index 01345c82e..600979394 100644
--- a/contrib/pyln-client/pyln/client/version.py
+++ b/contrib/pyln-client/pyln/client/version.py
@@ -75,4 +75,4 @@ class NodeVersion:
return False
-__all__ = [NodeVersion]
+__all__ = ["NodeVersion"]
diff --git a/pyproject.toml b/pyproject.toml
index 128efa96d..9838713c7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ package-mode = false
[dependency-groups]
dev = [
# Test dependencies and inherited dependencies belong here
- "crc32c>=2.2.post0", # Belongs to lnprototest
+ "crc32c>=2.2.post0", # Belongs to lnprototest
"pytest>=8.0.0",
"pytest-xdist>=3.6.0",
"pytest-test-groups>=1.2.0",
@@ -35,6 +35,7 @@ dev = [
"flask-socketio>=5",
"tqdm",
"pytest-benchmark",
+ "pdoc3>=0.11.6",
]
[project.optional-dependencies]
diff --git a/uv.lock b/uv.lock
index e15d8113f..cb3018fe4 100644
--- a/uv.lock
+++ b/uv.lock
@@ -457,6 +457,7 @@ dev = [
{ name = "crc32c" },
{ name = "flake8" },
{ name = "flask-socketio" },
+ { name = "pdoc3" },
{ name = "pytest", version = "8.4.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
{ name = "pytest", version = "9.0.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
{ name = "pytest-benchmark" },
@@ -491,6 +492,7 @@ dev = [
{ name = "crc32c", specifier = ">=2.2.post0" },
{ name = "flake8", specifier = ">=7.0" },
{ name = "flask-socketio", specifier = ">=5" },
+ { name = "pdoc3", specifier = ">=0.11.6" },
{ name = "pytest", specifier = ">=8.0.0" },
{ name = "pytest-benchmark" },
{ name = "pytest-custom-exit-code", specifier = "==0.3.0" },
@@ -1061,6 +1063,33 @@ wheels = [
{ url = "https://files.pythonhosted.org/packages/87/fb/99f81ac72ae23375f22b7afdb7642aba97c00a713c217124420147681a2f/mako-1.3.10-py3-none-any.whl", hash = "sha256:baef24a52fc4fc514a0887ac600f9f1cff3d82c61d4d700a1fa84d597b88db59", size = 78509, upload-time = "2025-04-10T12:50:53.297Z" },
]
+[[package]]
+name = "markdown"
+version = "3.9"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+ "python_full_version < '3.10'",
+]
+dependencies = [
+ { name = "importlib-metadata", marker = "python_full_version < '3.10'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/8d/37/02347f6d6d8279247a5837082ebc26fc0d5aaeaf75aa013fcbb433c777ab/markdown-3.9.tar.gz", hash = "sha256:d2900fe1782bd33bdbbd56859defef70c2e78fc46668f8eb9df3128138f2cb6a", size = 364585, upload-time = "2025-09-04T20:25:22.885Z" }
+wheels = [
+ { url = "https://files.pythonhosted.org/packages/70/ae/44c4a6a4cbb496d93c6257954260fe3a6e91b7bed2240e5dad2a717f5111/markdown-3.9-py3-none-any.whl", hash = "sha256:9f4d91ed810864ea88a6f32c07ba8bee1346c0cc1f6b1f9f6c822f2a9667d280", size = 107441, upload-time = "2025-09-04T20:25:21.784Z" },
+]
+
+[[package]]
+name = "markdown"
+version = "3.10"
+source = { registry = "https://pypi.org/simple" }
+resolution-markers = [
+ "python_full_version >= '3.10'",
+]
+sdist = { url = "https://files.pythonhosted.org/packages/7d/ab/7dd27d9d863b3376fcf23a5a13cb5d024aed1db46f963f1b5735ae43b3be/markdown-3.10.tar.gz", hash = "sha256:37062d4f2aa4b2b6b32aefb80faa300f82cc790cb949a35b8caede34f2b68c0e", size = 364931, upload-time = "2025-11-03T19:51:15.007Z" }
+wheels = [
+ { url = "https://files.pythonhosted.org/packages/70/81/54e3ce63502cd085a0c556652a4e1b919c45a446bd1e5300e10c44c8c521/markdown-3.10-py3-none-any.whl", hash = "sha256:b5b99d6951e2e4948d939255596523444c0e677c669700b1d17aa4a8a464cb7c", size = 107678, upload-time = "2025-11-03T19:51:13.887Z" },
+]
+
[[package]]
name = "markupsafe"
version = "3.0.3"
@@ -1197,6 +1226,20 @@ wheels = [
{ url = "https://files.pythonhosted.org/packages/20/12/38679034af332785aac8774540895e234f4d07f7545804097de4b666afd8/packaging-25.0-py3-none-any.whl", hash = "sha256:29572ef2b1f17581046b3a2227d5c611fb25ec70ca1ba8554b24b0e69331a484", size = 66469, upload-time = "2025-04-19T11:48:57.875Z" },
]
+[[package]]
+name = "pdoc3"
+version = "0.11.6"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+ { name = "mako" },
+ { name = "markdown", version = "3.9", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },
+ { name = "markdown", version = "3.10", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.10'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/ed/f0/07d8b771b99c16a06741cd7b2639494a15357df819ecf899c33b87db6257/pdoc3-0.11.6.tar.gz", hash = "sha256:1ea5e84b87a754d191fb64bf5e517ca6c50d0d84a614c1efecf6b46d290ae387", size = 177107, upload-time = "2025-03-20T22:53:53.099Z" }
+wheels = [
+ { url = "https://files.pythonhosted.org/packages/df/98/629f269c2bd91bdcac147aad5cf51ceb645c0196e23a41ee3c051125190f/pdoc3-0.11.6-py3-none-any.whl", hash = "sha256:8b72723767bd48d899812d2aec8375fc1c3476e179455db0b4575e6dccb44b93", size = 255188, upload-time = "2025-03-20T22:53:51.671Z" },
+]
+
[[package]]
name = "pluggy"
version = "1.6.0"