runtime/Lib/site-packages/altair/examples/__init__.py

import os


def iter_examples():
    """Iterate over the examples in this directory.

    Each item is a dict with the following keys:
    - "name" : the unique name of the example
    - "filename" : the full file path to the example
    """
    example_dir = os.path.abspath(os.path.dirname(__file__))
    for filename in os.listdir(example_dir):
        name, ext = os.path.splitext(filename)
        if name.startswith('_') or ext != '.py':
            continue
        yield {'name': name,
               'filename': os.path.join(example_dir, filename)}