wget -O- -q 'raw-link-to-script/get_macos_browsers.py' | python3 -

get_macos_browsers.py

"""

Lists all browsers in MacOS with browser name and supported protocols.

Useful for custom rules in Finicky (https://github.com/johnste/finicky).

"""

import json
import operator
import plistlib
from pathlib import Path
from typing import Dict, Any, Optional, List

import pkg_resources

dependencies = [
    'pydantic',
]
try:
    pkg_resources.require(dependencies)
except (pkg_resources.DistributionNotFound, pkg_resources.VersionConflict) as e:
    print('Requirement not installed, please use virtualenv with "pip install {}"'.format(' '.join(dependencies)))
    exit(1)
else:
    from pydantic import BaseModel


class AppMetaInfo(BaseModel):
    name: Optional[str]
    url_types: List[Dict[str, Any]]
    plist_path: Path


def check_dir(dir_path: Path) -> Optional[AppMetaInfo]:
    if not dir_path.exists():
        return
    if not dir_path.is_dir():
        return

    if dir_path.name.endswith('.app'):
        plist_path = dir_path / 'Contents' / 'Info.plist'
        if not plist_path.exists():
            raise RuntimeError('Unexpected app config: no Info.plist found', dir_path, plist_path)

        with plist_path.open('rb') as f:
            plist_data = plistlib.load(f)
        plist_url_types = plist_data.get('CFBundleURLTypes')
        if not plist_url_types:
            return

        for name_id in ['CFBundleName', 'CFBundleGetInfoString']:
            name = plist_data.get(name_id)
            if name:
                break

        yield AppMetaInfo(
            name=name,
            url_types=plist_url_types,
            plist_path=plist_path,
        )
    else:
        for sub_dir in sorted(dir_path.iterdir(), key=operator.attrgetter('name')):
            yield from check_dir(sub_dir)


def main():
    apps = Path('/Applications')
    for app in check_dir(apps):
        print(app.name)
        for url_type in app.url_types:
            print('-', url_type.get('CFBundleURLName', json.dumps(url_type)))
            print(' ', ', '.join(url_type.get('CFBundleURLSchemes', [])))

        print('-' * 40)


if __name__ == '__main__':
    main()