Introduce icon module

.gitattributes

@@ -1,6 +1,7 @@
 nicegui/elements/tailwind.py       linguist-generated
 nicegui/elements/tailwind_types/** linguist-generated
 nicegui/elements/lib/**            linguist-vendored
+nicegui/icon.py                    linguist-generated
 nicegui/static/es-module-shims.js  linguist-vendored
 nicegui/static/fonts/**            linguist-vendored
 nicegui/static/fonts.css           linguist-vendored

fetch_icons.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+import json
+from pathlib import Path
+
+import httpx
+
+FAMILIES = {
+    'Material Icons': ('', ''),
+    'Material Icons Outlined': ('_outlined', 'o_'),
+    'Material Icons Round': ('_round', 'r_'),
+    'Material Icons Sharp': ('_sharp', 's_'),
+    'Material Symbols Outlined': ('_sym_outlined', 'sym_o_'),
+    'Material Symbols Rounded': ('_sym_round', 'sym_r_'),
+    'Material Symbols Sharp': ('_sym_sharp', 'sym_s_'),
+}
+FAMILY_SET = set(FAMILIES)
+
+response = httpx.get('https://fonts.google.com/metadata/icons?incomplete=1&key=material_symbols')
+with (Path(__file__).parent / 'nicegui' / 'icon.py').open('w') as f:
+    for icon in json.loads(response.text[4:])['icons']:
+        for family in FAMILY_SET.difference(icon['unsupported_families']):
+            name = f'{icon["name"]}{FAMILIES[family][0]}'.upper()
+            if not name.isidentifier():
+                name = f'_{name}'
+            value = f'{FAMILIES[family][1]}{icon["name"]}'
+            f.write(f"{name} = '{value}'\n")

nicegui/__init__.py

@@ -1,4 +1,4 @@
-from . import context, elements, run, ui
+from . import context, elements, icon, run, ui
 from .api_router import APIRouter
 from .app.app import App
 from .client import Client
@@ -13,6 +13,7 @@
     'Client',
     'context',
     'elements',
+    'icon',
     'run',
     'Tailwind',
     'ui',