scripts/generate_metadata_Variation_2.py

import csv
import random
import os

def merge_prompt_with_two_colors(prompt_file, color_file, output_file, variation=2, color_level=2):
    # read prompt file
    with open(prompt_file, "r", encoding="utf-8") as f:
        reader = csv.DictReader(f)
        prompts = list(reader)

    # read color file
    with open(color_file, "r", encoding="utf-8") as f:
        reader = csv.DictReader(f)
        colors = list(reader)

    merged_rows = []
    id_counter = 1

    for prompt in prompts:
        prompt_text = prompt["prompt"]

        # Determine direction based on prompt
        lower_text = prompt_text.lower()
        #print(lower_text)
        if any(word in lower_text for word in ["upper", "lower", "top", "bottom"]):
            direction = "h"
            
        elif any(word in lower_text for word in ["left", "right"]):
            direction = "v"
            
        else:
            #print("unknown",prompt)
            direction = "u"  # unknown

        # Traverse the first color
        for color1 in colors:
            hex1 = color1.get("hex") or color1.get("color") or ""

            # Randomly select two different color_2
            color2_choices = random.sample(colors, 2)

            for color2 in color2_choices:
                hex2 = color2.get("hex") or color2.get("color") or ""

                merged_rows.append({
                    "id": id_counter,
                    "prompt": prompt_text,
                    "direction": direction,
                    "color_1": hex1,
                    "color_2": hex2,
                    "variation": variation,
                    "color_level": color_level,
                    "split": "test",
                    "color_format": "Hex code",
                })
                id_counter += 1

     
    output_dir = os.path.dirname(output_file) 
    if output_dir and not os.path.exists(output_dir): 
        os.makedirs(output_dir, exist_ok=True)
    # write CSV
    with open(output_file, "w", newline="", encoding="utf-8") as f:
        writer = csv.DictWriter(f, fieldnames=["id","prompt","direction","color_1","color_2","variation","color_level","split","color_format"])
        writer.writeheader()
        writer.writerows(merged_rows)

    print(f"Generation complete: {output_file}")


random.seed(42)
merge_prompt_with_two_colors("raw_config/Variation_2.csv", "raw_config/Color_Level_1.csv", "metadata/Variation_2_Color_1.csv", variation=2, color_level=1)
merge_prompt_with_two_colors("raw_config/Variation_2.csv", "raw_config/Color_Level_2.csv", "metadata/Variation_2_Color_2.csv", variation=2, color_level=2)
merge_prompt_with_two_colors("raw_config/Variation_2.csv", "raw_config/Color_Level_3.csv", "metadata/Variation_2_Color_3.csv", variation=2, color_level=3)