docs: add python api documentation

Author: bitkarrot

bdk-python/.gitignore

@@ -15,3 +15,10 @@ build/
 
 testing-setup-py-simple-example.py
 localenvironment/
+venv
+env
+
+# API docs
+api.rst
+index.rst
+_build/

bdk-python/README.md

@@ -40,3 +40,11 @@ python setup.py --verbose bdist_wheel
 ```shell
 pip install ./dist/bdkpython-<yourversion>.whl
 ```
+
+## generate the docs
+
+```shell
+pip3 install --requirement requirements-dev.txt
+python3 scripts/generate_docs.py
+sphinx-build -b  html -W --keep-going  docs/ docs/_build/html
+```

bdk-python/docs/conf.py

@@ -0,0 +1,31 @@
+import os
+import sys
+sys.path.insert(0, os.path.abspath('..'))
+
+# Configuration file for the Sphinx documentation builder.
+project = 'bdkpython'
+copyright = '2025, Bitcoin Dev Kit'
+author = 'Bitcoin Dev Kit Developers'
+
+# The full version, including alpha/beta/rc tags
+release = '1.2.0'
+
+# Add any Sphinx extension module names here, as strings
+extensions = [
+    'sphinx.ext.autodoc',
+    'sphinx.ext.napoleon',
+    'sphinx.ext.viewcode',
+]
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+# The theme to use for HTML and HTML Help pages.
+html_theme = 'sphinx_rtd_theme'
+
+# Add any paths that contain custom static files (such as style sheets)
+html_static_path = ['_static']

bdk-python/requirements-dev.txt

@@ -1,2 +1,4 @@
 pytest==7.1.2
 tox==3.25.1
+sphinx
+sphinx-rtd-theme

bdk-python/scripts/generate_docs.py

@@ -0,0 +1,45 @@
+import os
+import re
+
+# Define the directory where the Python source files are located
+src_dir = 'src/bdkpython'
+package_root = 'bdkpython'
+
+# Define the output file for the API documentation
+output_file = 'docs/api.rst'
+
+# Regex pattern to match class definitions
+class_pattern = re.compile(r'^class ([A-Za-z][A-Za-z0-9_]*)')
+
+# Store classes with their full module path
+public_classes = {}
+
+for root, _, files in os.walk(src_dir):
+    for file in files:
+        if file.endswith('.py'):
+            module_path = os.path.relpath(os.path.join(root, file), src_dir)
+            module_path = module_path.replace(os.sep, '.').removesuffix('.py')
+            full_module = f'{package_root}.{module_path}'
+            with open(os.path.join(root, file), 'r') as f:
+                for line in f:
+                    match = class_pattern.match(line)
+                    if match:
+                        class_name = match.group(1)
+                        if not class_name.startswith('_'):
+                            fqcn = f'{full_module}.{class_name}'
+                            public_classes[fqcn] = True
+
+# Generate the RST content
+rst_content = "API Reference\n============\n\n"
+
+for fqcn in sorted(public_classes.keys()):
+    rst_content += f".. autoclass:: {fqcn}\n"
+    rst_content += "   :members:\n"
+    rst_content += "   :undoc-members:\n"
+    rst_content += "   :show-inheritance:\n\n"
+
+# Write the RST content to the output file
+with open(output_file, 'w') as f:
+    f.write(rst_content)
+
+print(f"API documentation has been generated in {output_file}")