Generate instances of variable fonts

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

assets/scss/fonts.scss

@@ -4,7 +4,7 @@
     font-display: swap;
     font-weight: $weight;
     src: local('Inconsolata'),
-         url('../fonts/Inconsolata-VariableFont_wdth,wght.ttf');
+         url('../fonts/gen/Inconsolata-#{$weight}.woff2');
   }
 }
 
@@ -13,8 +13,8 @@
     font-family: 'Lora';
     font-display: swap;
     src: local('Lora'),
-         url('../fonts/Lora-VariableFont_wght.ttf'),
+         url('../fonts/gen/Lora-Regular.woff2'),
-         url('../fonts/Lora-Italic-VariableFont_wght.ttf');
+         url('../fonts/gen/Lora-Italic.woff2');
   }
 }
 
@@ -24,8 +24,8 @@
     font-display: swap;
     font-weight: $weight;
     src: local('Raleway'),
-         url('../fonts/Raleway-VariableFont_wght.ttf'),
+         url('../fonts/gen/Raleway-#{$weight}.woff2'),
-         url('../fonts/Raleway-Italic-VariableFont_wght.ttf');
+         url('../fonts/gen/Raleway-#{$weight}-Italic.woff2');
   }
 }
 

chatgpt-instance-fonts.py

@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+
+"""
+Instantiate variable fonts at specific weights/styles, producing static TTF files.
+No subsetting, no recursive searching—just direct calls with hardcoded axis values.
+Requires fontTools >= 4.0.
+
+Genererated by ChatGTP o3-mini-high. Not human-modified.
+"""
+
+from fontTools.ttLib import TTFont
+from fontTools.varLib.instancer import instantiateVariableFont
+
+def instantiate_variable_font(input_font_path, axis_values, output_font_path):
+    """
+    1) Loads a variable font from `input_font_path`.
+    2) Instantiates (flattens) it at the specified axis values (e.g. {"wght": 400}).
+    3) Saves the result as a static TTF at `output_font_path`.
+    """
+    print(f"Instantiating {input_font_path} with axes={axis_values} -> {output_font_path}")
+    vf = TTFont(input_font_path)
+    static_font = instantiateVariableFont(vf, axis_values)
+    static_font.flavor = "woff2"
+    static_font.save(output_font_path)
+
+def main():
+    # Inconsolata (Variable)
+    instantiate_variable_font(
+        "Inconsolata-VariableFont_wdth,wght.ttf",
+        {"wght": 400},
+        "Inconsolata-400.woff2"
+    )
+    instantiate_variable_font(
+        "Inconsolata-VariableFont_wdth,wght.ttf",
+        {"wght": 700},
+        "Inconsolata-700.woff2"
+    )
+
+    # Lora (Variable, normal and italic)
+    instantiate_variable_font(
+        "Lora-VariableFont_wght.ttf",
+        {"wght": 400},
+        "Lora-Regular.woff2"
+    )
+    instantiate_variable_font(
+        "Lora-Italic-VariableFont_wght.ttf",
+        {"wght": 400},
+        "Lora-Italic.woff2"
+    )
+
+    # Raleway (Variable, normal and italic)
+    instantiate_variable_font(
+        "Raleway-VariableFont_wght.ttf",
+        {"wght": 400},
+        "Raleway-400.woff2"
+    )
+    instantiate_variable_font(
+        "Raleway-VariableFont_wght.ttf",
+        {"wght": 700},
+        "Raleway-700.woff2"
+    )
+    instantiate_variable_font(
+        "Raleway-Italic-VariableFont_wght.ttf",
+        {"wght": 400},
+        "Raleway-400-Italic.woff2"
+    )
+    instantiate_variable_font(
+        "Raleway-Italic-VariableFont_wght.ttf",
+        {"wght": 700},
+        "Raleway-700-Italic.woff2"
+    )
+
+if __name__ == "__main__":
+    main()