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#!/usr/bin/env python3
"""
Script to run pywal and apply colors to iTerm2 automatically.
Usage: python3 wal-iterm.py [path_to_image]
"""
import subprocess
import sys
import os
import json
import tempfile
from pathlib import Path
import plistlib
HOME = Path.home()
WAL_CACHE = HOME / ".cache" / "wal"
ITERM_COLORS_DIR = WAL_CACHE / "itermcolors"
COLORS_JSON = WAL_CACHE / "colors.json"
def run_command(cmd, check=True):
"""Run a shell command and return the result."""
try:
result = subprocess.run(
cmd, shell=True, capture_output=True, text=True, check=check
)
return result.stdout.strip(), result.stderr.strip(), result.returncode
except subprocess.CalledProcessError as e:
print(f"Error running command: {cmd}")
print(f"Error: {e.stderr}")
sys.exit(1)
def hex_to_rgb(hex_color):
"""Convert hex color to RGB values (0-1 range)."""
hex_color = hex_color.lstrip('#')
r = int(hex_color[0:2], 16) / 255.0
g = int(hex_color[2:4], 16) / 255.0
b = int(hex_color[4:6], 16) / 255.0
return r, g, b
def run_wal(image_path=None, backend="haishoku"):
"""Run pywal to generate colors."""
if image_path:
if not os.path.exists(image_path):
print(f"Error: Image file not found: {image_path}")
sys.exit(1)
print(f"Running wal on image: {image_path} (backend: {backend})")
cmd = f'wal -i "{image_path}" --backend {backend}'
else:
print("Running wal to regenerate colors from last image...")
cmd = "wal -n"
stdout, stderr, returncode = run_command(cmd, check=False)
if returncode != 0:
print(f"\nError: wal failed to process the image.")
if stderr:
print(f"Details: {stderr}")
if not image_path:
print("Cannot retry without image path. Please specify an image.")
sys.exit(1)
# Try alternative backends as fallback
fallback_backends = ["colorthief", "colorz", "wal"]
for fallback_backend in fallback_backends:
if fallback_backend == backend:
continue
print(f"\nTrying with {fallback_backend} backend...")
cmd_fallback = f'wal -i "{image_path}" --backend {fallback_backend}'
stdout, stderr, returncode = run_command(cmd_fallback, check=False)
if returncode == 0:
print(f"✓ Successfully generated colors using {fallback_backend} backend")
break
else:
print(f" {fallback_backend} backend also failed")
else:
print(f"\nError: wal failed with all attempted backends.")
print("This may be a pywal bug with this specific image.")
print("Suggestions:")
print(" - Try a different image")
print(" - Update pywal: pip install --upgrade pywal")
print(" - Try manually: wal -i <image> --backend <backend>")
sys.exit(1)
if stderr and "error" not in stderr.lower():
print(stderr)
print("✓ Colors generated by wal")
def create_dynamic_profile():
"""Create/update a dynamic profile with pywal colors."""
print("Creating/updating dynamic profile...")
if not COLORS_JSON.exists():
print(f"Error: colors.json not found at {COLORS_JSON}")
sys.exit(1)
# Read pywal colors
with open(COLORS_JSON) as f:
colors = json.load(f)
colors_dict = colors.get("colors", {})
special = colors.get("special", {})
# Create dynamic profile structure
dynamic_profile = {
"Profiles": [
{
"Name": "wal",
"Guid": "wal-dynamic-profile-uuid",
"Rewritable": True,
}
]
}
profile = dynamic_profile["Profiles"][0]
# Add ANSI colors (0-15)
for i in range(16):
color_key = f"color{i}"
hex_color = colors_dict.get(color_key, "#000000")
r, g, b = hex_to_rgb(hex_color)
profile[f"Ansi {i} Color"] = {
"Color Space": "sRGB",
"Red Component": r,
"Green Component": g,
"Blue Component": b,
"Alpha Component": 1.0,
}
# Add special colors
profile["Background Color"] = {
"Color Space": "sRGB",
"Red Component": hex_to_rgb(special.get("background", "#000000"))[0],
"Green Component": hex_to_rgb(special.get("background", "#000000"))[1],
"Blue Component": hex_to_rgb(special.get("background", "#000000"))[2],
"Alpha Component": 1.0,
}
profile["Foreground Color"] = {
"Color Space": "sRGB",
"Red Component": hex_to_rgb(special.get("foreground", "#ffffff"))[0],
"Green Component": hex_to_rgb(special.get("foreground", "#ffffff"))[1],
"Blue Component": hex_to_rgb(special.get("foreground", "#ffffff"))[2],
"Alpha Component": 1.0,
}
profile["Cursor Color"] = {
"Color Space": "sRGB",
"Red Component": hex_to_rgb(special.get("cursor", "#ffffff"))[0],
"Green Component": hex_to_rgb(special.get("cursor", "#ffffff"))[1],
"Blue Component": hex_to_rgb(special.get("cursor", "#ffffff"))[2],
"Alpha Component": 1.0,
}
# Write the dynamic profile
dynamic_profiles_dir = Path.home() / "Library/Application Support/iTerm2/DynamicProfiles"
dynamic_profiles_dir.mkdir(parents=True, exist_ok=True)
profile_file = dynamic_profiles_dir / "wal-profile.json"
with open(profile_file, 'w') as f:
json.dump(dynamic_profile, f, indent=2)
print(f"✓ Dynamic profile created/updated: {profile_file}")
print("✓ iTerm2 will automatically detect the changes")
print("\nTo use: Switch to the 'wal' profile in iTerm2")
print("Future runs will update the 'wal' profile automatically")
def main():
"""Main function."""
image_path = sys.argv[1] if len(sys.argv) > 1 else None
run_wal(image_path, backend="haishoku")
create_dynamic_profile()
print("\n✓ Done! Dynamic profile 'wal' updated with new colors.")
if __name__ == "__main__":
main()
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