new fonts

scripts/download_frontend_libs.py

@@ -3,7 +3,7 @@ from __future__ import annotations
 
 import re
 from pathlib import Path
-from urllib.parse import urljoin
+from urllib.parse import urljoin, urlparse
 from urllib.request import Request, urlopen
 
 ROOT = Path(__file__).resolve().parents[1]
@@ -14,6 +14,33 @@ FONTAWESOME_VERSION = "6.5.2"
 FLAG_ICONS_VERSION = "7.2.3"
 SWAGGER_UI_VERSION = "5"
 SOCKET_IO_VERSION = "4.7.5"
+GOOGLE_FONT_FAMILIES = (
+    "DM Sans",
+    "Figtree",
+    "Geist",
+    "IBM Plex Sans",
+    "Inter",
+    "JetBrains Mono",
+    "Lato",
+    "Manrope",
+    "Montserrat",
+    "Nunito Sans",
+    "Open Sans",
+    "Poppins",
+    "Roboto",
+    "Source Sans 3",
+)
+GOOGLE_FONT_WEIGHTS = "400;500;600;700;800"
+
+
+def google_fonts_css_url() -> str:
+    families = "&".join(
+        f"family={name.replace(' ', '+')}:wght@{GOOGLE_FONT_WEIGHTS}"
+        for name in GOOGLE_FONT_FAMILIES
+    )
+    return f"https://fonts.googleapis.com/css2?{families}&display=swap"
+
+
 BOOTSTRAP_THEMES = (
     "default",
     "flatly",
@@ -43,6 +70,10 @@ STATIC_ASSETS = {
         "local": f"{LIBS_STATIC_DIR}/flag-icons/{FLAG_ICONS_VERSION}/css/flag-icons.min.css",
         "cdn": f"https://cdn.jsdelivr.net/gh/lipis/flag-icons@{FLAG_ICONS_VERSION}/css/flag-icons.min.css",
     },
+    "font_css": {
+        "local": f"{LIBS_STATIC_DIR}/fonts/google-fonts.css",
+        "cdn": google_fonts_css_url(),
+    },
     "swagger_css": {
         "local": f"{LIBS_STATIC_DIR}/swagger-ui/{SWAGGER_UI_VERSION}/swagger-ui.css",
         "cdn": f"https://cdn.jsdelivr.net/npm/swagger-ui-dist@{SWAGGER_UI_VERSION}/swagger-ui.css",
@@ -53,6 +84,7 @@ STATIC_ASSETS = {
     },
 }
 URL_RE = re.compile(r"url\((['\"]?)(?!data:)(?!https?:)([^)'\"]+)\1\)")
+ANY_URL_RE = re.compile(r"url\((['\"]?)(?!data:)([^)'\"]+)\1\)")
 
 
 def bootstrap_css_asset(theme: str) -> dict[str, str]:
@@ -97,13 +129,49 @@ def download_css_with_assets(url: str, dest: Path) -> None:
             download(asset_url, asset_dest)
 
 
+def download_google_fonts_css(url: str, dest: Path) -> None:
+    dest.parent.mkdir(parents=True, exist_ok=True)
+    req = Request(
+        url,
+        headers={
+            "User-Agent": "Mozilla/5.0 pyTorrent installer",
+            "Accept": "text/css,*/*;q=0.1",
+        },
+    )
+    with urlopen(req, timeout=60) as response:
+        css = response.read().decode("utf-8", errors="ignore")
+    if not css.strip():
+        raise RuntimeError(f"Empty response for {url}")
+
+    def replace_url(match: re.Match[str]) -> str:
+        quote = match.group(1) or ""
+        asset_url = match.group(2)
+        parsed = urlparse(asset_url)
+        if parsed.scheme not in {"http", "https"}:
+            return match.group(0)
+        filename = Path(parsed.path).name
+        if not filename:
+            return match.group(0)
+        asset_dest = dest.parent / "files" / filename
+        if not asset_dest.exists():
+            download(asset_url, asset_dest)
+        return f"url({quote}files/{filename}{quote})"
+
+    rewritten = ANY_URL_RE.sub(replace_url, css)
+    tmp = dest.with_suffix(dest.suffix + ".tmp")
+    tmp.write_text(rewritten, encoding="utf-8")
+    tmp.replace(dest)
+    print(f"OK {dest.relative_to(ROOT)}")
+
 def main() -> None:
     items = list(STATIC_ASSETS.values())
     items.extend(bootstrap_css_asset(theme) for theme in BOOTSTRAP_THEMES)
     for item in items:
         url = item["cdn"]
         dest = ROOT / "pytorrent" / "static" / item["local"]
-        if dest.suffix == ".css":
+        if item.get("local") == STATIC_ASSETS["font_css"]["local"]:
+            download_google_fonts_css(url, dest)
+        elif dest.suffix == ".css":
             download_css_with_assets(url, dest)
         else:
             download(url, dest)