add # 新增使用开源字体

scripts/help_image.py

@@ -0,0 +1,30 @@
+"""构建期间调用独立帮助菜单脚本；不改变开发源或源码身份。"""
+
+from io import BytesIO
+from pathlib import Path
+import subprocess
+import sys
+import tempfile
+
+
+def build_help_image(root, platform, prepared=None):
+    if platform not in ('zhenxun', 'nonebot', 'astrbot'):
+        raise ValueError('Unknown help platform')
+    if prepared is None:
+        with tempfile.TemporaryDirectory() as temporary:
+            subprocess.run([
+                sys.executable, str(Path(root) / 'scripts/preview_help.py'),
+                '--platform', platform, '--output', temporary,
+            ], check=True, stdout=subprocess.PIPE, timeout=60)
+            content = (Path(temporary) / f'help-{platform}.png').read_bytes()
+    else:
+        path = Path(prepared)
+        if path.name != f'help-{platform}.png':
+            raise ValueError('Help image belongs to a different platform')
+        content = path.read_bytes()
+    from PIL import Image
+    with Image.open(BytesIO(content)) as image:
+        if image.format != 'PNG' or image.width != 1200:
+            raise ValueError('Expected generated PNG help menu at width 1200')
+        image.verify()
+    return content