convert.py

import importlib
import inspect
import os
import pkgutil
from importlib.metadata import version
from typing import Dict

from jinja2 import Template

DIAGRAMS_MODULE = "diagrams"

DIAGRAMS_VERSION = version(DIAGRAMS_MODULE)
ICON_BASE_PATH = f"https://raw.githubusercontent.com/mingrammer/diagrams/v{DIAGRAMS_VERSION}"


def iter_submodules(parent_module):
    return (
        name for _, name, _
        in pkgutil.iter_modules(parent_module.__path__, parent_module.__name__ + ".")
    )


def get_namespaced_icons() -> Dict[str, Dict[str, Dict[str, str]]]:
    root_results = {}
    diagrams = importlib.import_module(DIAGRAMS_MODULE)

    # categories
    for module_name in iter_submodules(diagrams):
        module_results = {}
        module = importlib.import_module(module_name)

        # subcategories
        for submodule_name in iter_submodules(module):
            submodule_results = {}
            submodule = importlib.import_module(submodule_name)

            # find only component classes (classes with an icon defined)
            icon_classes = [
                attribute
                for attribute_name, attribute in inspect.getmembers(submodule)
                if getattr(attribute, "_icon", None)
            ]

            for cls in icon_classes:
                icon_full_path = os.path.join(ICON_BASE_PATH, cls._icon_dir, cls._icon)
                submodule_results[cls.__name__] = icon_full_path

            submodule_basename = str(submodule_name).split(".")[-1]
            module_results[submodule_basename] = submodule_results

        module_basename = module_name.split(".")[-1]
        root_results[module_basename] = module_results

    return root_results


if __name__ == '__main__':
    icons = get_namespaced_icons()

    template_str = inspect.cleandoc("""
    # Autogenerated using https:/denis-ismailaj/d2-diagrams-icons (based on diagrams v{{version}})\
    {% for module, submodules in icons.items() %}
    {{ module }}: { {% for submodule, classes in submodules.items() %}
        {{ submodule }}: { {% for class_name, icon_path in classes.items() %}
            {{ class_name }}: {
                icon: {{ icon_path }}
                shape: image
            }{% endfor %}
        }{% endfor %}
    }{% endfor %}
    """)

    template = Template(template_str)
    result = template.render(icons=icons, version=DIAGRAMS_VERSION)

    print(result)