spark: add json-validate.py utility script

wizard-work/spark/ascii_tool.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+"""Quick ASCII art generator from images.
+
+Usage:
+    python ascii_tool.py test         # Run self-test
+    python ascii_tool.py <image_file> [width]  # Convert local image
+
+Produces ASCII art output saved to output_ascii.txt
+"""
+
+import sys
+from PIL import Image
+
+ASCII_CHARS = "@%#*+=-:. "
+
+def resize_image(img: Image.Image, new_width: int = 80) -> Image.Image:
+    """Resize image maintaining aspect ratio."""
+    w, h = img.size
+    aspect_ratio = h / w
+    new_height = int(aspect_ratio * new_width * 0.55)
+    return img.resize((new_width, max(1, new_height)))
+
+def image_to_ascii(img: Image.Image, width: int = 80) -> str:
+    """Convert PIL Image to ASCII art string."""
+    img = resize_image(img, width)
+    img = img.convert("L")
+    # Use get_flattened_data for Pillow 11+, fallback to getdata()
+    try:
+        pixels = list(img.get_flattened_data())
+    except AttributeError:
+        pixels = list(img.getdata())
+    chars_per_pixel = len(ASCII_CHARS)
+    
+    lines = []
+    row = []
+    for i, pixel in enumerate(pixels):
+        if i > 0 and (i % width) == 0:
+            lines.append("".join(row))
+            row = []
+        idx = min(pixel * (chars_per_pixel - 1) // 255, chars_per_pixel - 1)
+        row.append(ASCII_CHARS[idx])
+    if row:
+        lines.append("".join(row))
+    return "\n".join(lines)
+
+def run_self_test():
+    """Create test image and verify ASCII conversion works."""
+    # Create a simple 20x20 test image with a gradient
+    img = Image.new("RGB", (20, 20))
+    pixels = img.load()
+    for x in range(20):
+        for y in range(20):
+            # Create a diagonal gradient
+            val = int((x + y) * 255 / 40)
+            pixels[x, y] = (val, val, val)
+    
+    ascii_result = image_to_ascii(img, 40)
+    lines = ascii_result.split("\n")
+    
+    print(f"Self-test: Created 20x20 gradient image")
+    print(f"ASCII result: {len(lines)} lines")
+    print(f"First line: '{lines[0][:20]}...'")
+    print(f"Line lengths vary: {set(len(l) for l in lines)} chars")
+    
+    # Verify output is saved
+    output_path = "/root/.hermes/wizard-outputs/spark/output_ascii.txt"
+    with open(output_path, "w") as f:
+        f.write(ascii_result)
+    print(f"Saved to {output_path}")
+    
+    # Verify file exists
+    with open(output_path) as f:
+        verify = f.read()
+    if verify == ascii_result:
+        print("VERIFICATION: File written correctly")
+        return True
+    else:
+        print("ERROR: File content mismatch")
+        return False
+
+def main():
+    if len(sys.argv) < 2:
+        print(__doc__)
+        sys.exit(1)
+    
+    if sys.argv[1] == "test":
+        success = run_self_test()
+        sys.exit(0 if success else 1)
+    
+    # Convert local image file
+    img_path = sys.argv[1]
+    width = int(sys.argv[2]) if len(sys.argv) > 2 else 80
+    
+    print(f"Loading {img_path}...")
+    img = Image.open(img_path)
+    print(f"Original size: {img.size}, converting to ASCII (width={width})...")
+    
+    ascii_art = image_to_ascii(img, width)
+    print(ascii_art)
+    
+    output_path = "/root/.hermes/wizard-outputs/spark/output_ascii.txt"
+    with open(output_path, "w") as f:
+        f.write(ascii_art)
+    print(f"\nSaved to {output_path}")
+
+if __name__ == "__main__":
+    main()

wizard-work/spark/json-validate.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+"""
+Quick JSON validator - validates all .json files in a directory.
+Usage: python3 json-validate.py <directory>
+Exit 0 if all valid, exit 1 if any invalid.
+"""
+import sys
+import json
+from pathlib import Path
+
+def validate_json_files(directory: str) -> bool:
+    """Validate all JSON files in directory. Returns True if all valid."""
+    dir_path = Path(directory)
+    if not dir_path.exists():
+        print(f"Error: Directory {directory} does not exist")
+        return False
+    
+    json_files = list(dir_path.glob("*.json"))
+    if not json_files:
+        print(f"No .json files found in {directory}")
+        return True
+    
+    all_valid = True
+    for json_file in json_files:
+        try:
+            with open(json_file, 'r') as f:
+                json.load(f)
+            print(f"✓ {json_file.name}")
+        except json.JSONDecodeError as e:
+            print(f"✗ {json_file.name}: {e}")
+            all_valid = False
+        except Exception as e:
+            print(f"✗ {json_file.name}: {type(e).__name__}: {e}")
+            all_valid = False
+    
+    return all_valid
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: json-validate.py <directory>")
+        sys.exit(1)
+    
+    if validate_json_files(sys.argv[1]):
+        print("\nAll JSON files are valid")
+        sys.exit(0)
+    else:
+        print("\nSome JSON files are invalid")
+        sys.exit(1)

wizard-work/spark/output_ascii.txt

@@ -0,0 +1,9 @@
+@@@@@@*+=@@@@@@@@@@@@@@@@@@@@@@  @@@@@@@@@@@@@@@@@@@@@@@@@@@
+@@@@+-+***@@@@@@@@@@@@@@@@@@..@..@@@@@@@@@@@@@@@ ...@@@@@@@@
+@@+++++***=.:@@@....:@.:@:..........  ....@.....@...@@@@@@@@
+@+++******:.::@@.:...:..@..:...:..........:.....@@@@@@@@@@@@
+@++*+:::-:::::@@::@::::: ::.::@::@@::::@::::.@::@@@@@@@@@@@@
+@+**:.:::::::@@@:::::+:::::::::::@@:::::::-::@::@@@@@@@@@@@@
+@@@@::::::-@@@@@:: @@@@-:::-@@+@@@@@@@@ @@@@@@@@@@@@@@@@@@@@
+@@@@#----=@@@@@@::@@@@@:::@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
+@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@