Gallery front

src/py/builder/css_generator.py

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+import logging
+from pathlib import Path
+from shutil import copyfile
+
+def generate_css_variables(colors_dict, output_path):
+    """Generate css variables for theme colors"""
+    css_lines = [":root {"]
+    for key, value in colors_dict.items():
+        css_lines.append(f"  --color-{key.replace('_', '-')}: {value};")
+    css_lines.append("}")
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    with open(output_path, "w", encoding="utf-8") as f:
+        f.write("\n".join(css_lines))
+    logging.info(f"[✓] CSS variables written to {output_path}")
+
+def generate_fonts_css(fonts_dir, output_path, fonts_cfg=None):
+    """Generate css variables fonts"""
+    font_files = list(fonts_dir.glob("*"))
+    font_faces = {}
+    preload_links = []
+    format_map = {".woff2": "woff2", ".woff": "woff", ".ttf": "truetype", ".otf": "opentype"}
+
+    for font_file in font_files:
+        name = font_file.stem
+        ext = font_file.suffix.lower()
+        if ext not in format_map:
+            continue
+        font_faces.setdefault(name, []).append((font_file.name, format_map[ext]))
+        dest_font_path = output_path.parent.parent / "fonts" / font_file.name
+        dest_font_path.parent.mkdir(parents=True, exist_ok=True)
+        copyfile(font_file, dest_font_path)
+        preload_links.append(
+            f'<link rel="preload" href="fonts/{font_file.name}" as="font" type="font/{format_map[ext]}" crossorigin>'
+        )
+
+    css_lines = []
+    for font_name, sources in font_faces.items():
+        css_lines.append(f"@font-face {{")
+        css_lines.append(f"  font-family: '{font_name}';")
+        srcs = [f"url('../fonts/{file}') format('{fmt}')" for file, fmt in sorted(sources)]
+        css_lines.append(f"  src: {', '.join(srcs)};")
+        css_lines.append("  font-weight: normal;")
+        css_lines.append("  font-style: normal;")
+        css_lines.append("}")
+
+    if fonts_cfg:
+        css_lines.append(":root {")
+        if "primary" in fonts_cfg:
+            p = fonts_cfg["primary"]
+            css_lines.append(f"  --font-primary: '{p['name']}', {p['fallback']};")
+        if "secondary" in fonts_cfg:
+            s = fonts_cfg["secondary"]
+            css_lines.append(f"  --font-secondary: '{s['name']}', {s['fallback']};")
+        css_lines.append("}")
+
+    output_path.parent.mkdir(parents=True, exist_ok=True)
+    output_path.write_text("\n\n".join(css_lines), encoding="utf-8")
+    logging.info(f"[✓] Generated fonts CSS: {output_path}")
+    return preload_links
+
+def generate_google_fonts_link(fonts):
+    """Generate src link for Google fonts"""
+    if not fonts:
+        return ""
+    families = []
+    for font in fonts:
+        family = font["family"].replace(" ", "+")
+        weights = font.get("weights", [])
+        if weights:
+            families.append(f"{family}:wght@{';'.join(weights)}")
+        else:
+            families.append(family)
+    href = "https://fonts.googleapis.com/css2?" + "&".join(f"family={f}" for f in families) + "&display=swap"
+    return f'<link href="{href}" rel="stylesheet">'