Files
malabar/step5_assign_colors.py
2026-03-03 17:20:29 +08:00

251 lines
8.0 KiB
Python

#!/usr/bin/env python3
"""
Step 5: Assign colors to speakers based on their characteristics.
Input: Speaker files in "_speakers/" folder
Output: _colors.json with speaker-color mappings
Output format:
{
"Malabar": "golden",
"Moon": "silver",
"Earth": "green",
...
}
Usage:
uv run step5_assign_colors.py
Environment Variables:
OPENAI_API_KEY - Required
OPENAI_BASE_URL - Optional (for Kimi/GLM APIs)
LLM_MODEL - Optional (e.g., "glm-4.5-air")
"""
import os
import re
import sys
import json
from pathlib import Path
from typing import List, Dict, Tuple, Optional, Set
from openai import OpenAI
# ============== Configuration ==============
INPUT_DIR = Path("_speakers")
OUTPUT_FILE = Path("_colors.json")
# Fixed color assignments
FIXED_COLORS = {
"Malabar": "#FFD700" # Gold
}
# Default configurations for different providers
DEFAULT_CONFIGS = {
"openai": {
"base_url": None,
"model": "gpt-4o-mini"
},
"moonshot": {
"base_url": "https://api.moonshot.cn/v1",
"model": "kimi-latest"
},
"bigmodel": { # Zhipu AI (GLM)
"base_url": "https://open.bigmodel.cn/api/paas/v4",
"model": "glm-4.5-air"
}
}
def get_llm_config() -> Tuple[str, str]:
"""Get LLM configuration from environment."""
api_key = os.getenv("OPENAI_API_KEY")
if not api_key:
raise ValueError("OPENAI_API_KEY environment variable is required")
base_url = os.getenv("OPENAI_BASE_URL")
model = os.getenv("LLM_MODEL")
if base_url:
if model:
return base_url, model
if "bigmodel" in base_url:
return base_url, DEFAULT_CONFIGS["bigmodel"]["model"]
elif "moonshot" in base_url or "kimi" in base_url:
return base_url, DEFAULT_CONFIGS["moonshot"]["model"]
else:
return base_url, DEFAULT_CONFIGS["openai"]["model"]
else:
return None, model or DEFAULT_CONFIGS["openai"]["model"]
def collect_speakers(input_dir: Path) -> Set[str]:
"""Collect all unique speakers from speaker files."""
speakers = set()
for file_path in input_dir.glob("*_speakers.txt"):
with open(file_path, 'r', encoding='utf-8') as f:
for line in f:
line = line.strip()
if not line:
continue
# Parse line: [timestamp](Speaker) text
match = re.match(r'^\[\d{2}:\d{2}\]\(([^)]+)\)', line)
if match:
speakers.add(match.group(1))
return speakers
def assign_colors(speakers: Set[str], client: OpenAI, model: str) -> Dict[str, str]:
"""Assign colors to speakers using LLM."""
# Start with fixed colors
color_mapping = FIXED_COLORS.copy()
# Filter out speakers that already have fixed colors
remaining_speakers = [s for s in speakers if s not in color_mapping]
if not remaining_speakers:
return color_mapping
# Build prompt
speakers_list = ", ".join(remaining_speakers)
prompt = f"""Assign CSS hex color codes to each speaker from "Little Malabar" based on their characteristics.
Speakers to assign colors:
{speakers_list}
Color assignment guidelines (use hex codes like #FF0000):
- Mars → #CD5C5C (red planet) or #FF4500
- Earth → #228B22 (forest green) or #4169E1 (royal blue)
- Moon → #C0C0C0 (silver) or #A9A9A9 (dark gray)
- Sun → #FFD700 (gold) or #FFA500 (orange)
- Jupiter → #D2691E (chocolate/orange)
- Galaxy → #9370DB (medium purple) or #FF69B4 (hot pink)
- Star → #FFFFFF (white) or #FFFACD (lemon chiffon)
- Volcano → #8B0000 (dark red) or #FF4500 (orange red)
- Kangaroo/Giraffe → #D2B48C (tan) or #F4A460 (sandy brown)
- Song → #87CEEB (sky blue) or #DDA0DD (plum)
Fixed assignment:
- Malabar → #FFD700 (gold, already set)
Reply with ONLY a JSON object mapping speaker names to hex color codes:
{{"SpeakerName": "#RRGGBB", ...}}
JSON:"""
try:
response = client.chat.completions.create(
model=model,
messages=[
{"role": "system", "content": "You assign colors to characters. Reply with ONLY valid JSON."},
{"role": "user", "content": prompt}
],
temperature=0.3,
max_tokens=500
)
message = response.choices[0].message
result = message.content or ""
# GLM models may put response in reasoning_content
if not result and hasattr(message, 'reasoning_content') and message.reasoning_content:
result = message.reasoning_content
# Try to parse JSON
json_match = re.search(r'\{[^}]+\}', result)
if json_match:
try:
parsed = json.loads(json_match.group())
for speaker, color in parsed.items():
if speaker in remaining_speakers:
color_mapping[speaker] = color
except json.JSONDecodeError:
print(f" Warning: Could not parse JSON response")
# Assign default hex colors for any remaining speakers
for speaker in remaining_speakers:
if speaker not in color_mapping:
# Simple fallback based on name (using hex codes)
name_lower = speaker.lower()
if 'mars' in name_lower:
color_mapping[speaker] = "#FF4500" # Orange red
elif 'earth' in name_lower:
color_mapping[speaker] = "#228B22" # Forest green
elif 'moon' in name_lower:
color_mapping[speaker] = "#C0C0C0" # Silver
elif 'sun' in name_lower:
color_mapping[speaker] = "#FFD700" # Gold
elif 'jupiter' in name_lower:
color_mapping[speaker] = "#D2691E" # Chocolate/orange
elif 'star' in name_lower:
color_mapping[speaker] = "#FFFFFF" # White
elif 'galaxy' in name_lower:
color_mapping[speaker] = "#9370DB" # Medium purple
elif 'volcano' in name_lower:
color_mapping[speaker] = "#8B0000" # Dark red
elif 'song' in name_lower:
color_mapping[speaker] = "#87CEEB" # Sky blue
else:
color_mapping[speaker] = "#808080" # Gray
return color_mapping
except Exception as e:
print(f" Error assigning colors: {e}")
# Return defaults for all remaining speakers
for speaker in remaining_speakers:
color_mapping[speaker] = "gray"
return color_mapping
def main():
# Get LLM config
base_url, model = get_llm_config()
client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"), base_url=base_url)
print(f"Using model: {model}")
print(f"Endpoint: {base_url or 'OpenAI default'}")
# Check input directory
if not INPUT_DIR.exists():
print(f"Error: Input directory {INPUT_DIR}/ not found")
sys.exit(1)
# Collect all speakers
print(f"\nCollecting speakers from {INPUT_DIR}/...")
speakers = collect_speakers(INPUT_DIR)
if not speakers:
print("Error: No speakers found")
sys.exit(1)
print(f"Found {len(speakers)} unique speakers:")
for speaker in sorted(speakers):
if speaker in FIXED_COLORS:
print(f" - {speaker}: {FIXED_COLORS[speaker]} (fixed)")
else:
print(f" - {speaker}")
# Assign colors
print(f"\nAssigning colors...")
color_mapping = assign_colors(speakers, client, model)
print(f"\nFinal color assignments:")
for speaker, color in sorted(color_mapping.items()):
fixed = " (fixed)" if speaker in FIXED_COLORS else ""
print(f" - {speaker}: {color}{fixed}")
# Save to JSON
with open(OUTPUT_FILE, 'w', encoding='utf-8') as f:
json.dump(color_mapping, f, ensure_ascii=False, indent=2)
print(f"\nSaved to: {OUTPUT_FILE}")
print(f"\nStep 5 Complete!")
if __name__ == "__main__":
main()