coding-excellence / coding_excellence_generator.py
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Initial release: 100k chat-format coding excellence dataset
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#!/usr/bin/env python3
"""
Coding Excellence Dataset Generator (Chat Format)
=================================================
Claude/Fable-5 のコーディング性能分布を分析し、
そのパターンを強化注入したコード生成データセットを Alpaca/ShareGPT 形式で生成します。
出力形式: {"instruction": "...", "input": "...", "output": "..."}
分布ターゲット:
- CoT厚み: 平均 ~3000文字 (Fable平均2669を上回る)
- 探索優先: 常に環境確認/分析から始める
- 反復改善: Write→Read→Edit サイクルを含む
- エラー予測: 70%+ がエラー処理/回復を含む
- 構造化コード: コメント・エラー処理・設定・export を含む
"""
import json
import random
import uuid as uuid_mod
import numpy as np
import sys
import argparse
# ============================================================
# 分布パラメータ(Fable-5-traces 分析に基づく強化版)
# ============================================================
# プログラミング言語分布(実世界の需要+Fable傾向)
LANGUAGES = {
'python': 0.30,
'javascript': 0.25,
'typescript': 0.15,
'html+css+js': 0.10,
'node.js/express': 0.08,
'react': 0.07,
'bash/shell': 0.03,
'go': 0.02,
}
# プロジェクトタイプ
PROJECT_TYPES = [
"web application", "REST API server", "CLI tool", "data processing pipeline",
"game engine", "real-time chat app", "database migration", "authentication system",
"file converter", "web scraper", "automation script", "testing framework",
"deployment pipeline", "monitoring dashboard", "API client library",
"state management", "UI component library", "middleware system",
"caching layer", "logging system", "configuration manager",
"task queue", "event emitter", "plugin system",
]
# コード品質パターン(Fable分析: comments 70%, error_handling 60%, config 43%, exports 23%)
CODE_QUALITY_PATTERNS = {
'has_comments': 0.75,
'has_docstrings': 0.50,
'has_error_handling': 0.65,
'has_config': 0.45,
'has_exports': 0.35,
'has_logging': 0.40,
'has_type_hints': 0.30, # TypeScript/Python
'has_tests': 0.20,
}
# CoT 思考パターン(Fable分析: self_instruction 91.7%, debugging 72.6%, verification 62.2%)
REASONING_PATTERNS = {
'self_instruction': 0.92,
'debugging': 0.73,
'verification': 0.62,
'step_by_step_planning': 0.47,
'deductive_reasoning': 0.38,
'analysis': 0.22,
'alternative_eval': 0.11,
}
# CoT 長さ分布(Fable: mean=2669, p25=1870, p75=3036 → 強化版: mean=3200)
COT_LEN_MEAN = 3200
COT_LEN_STD = 1400
COT_LEN_MIN = 800
COT_LEN_MAX = 12000
# コード行数分布(Fable: avg 187 lines/Write)
CODE_LINES_MEAN = 200
CODE_LINES_STD = 150
CODE_LINES_MIN = 30
CODE_LINES_MAX = 800
# コードトークン比率(コード全体に占める「良い習慣」の割合)
COMMENT_RATIO = 0.08 # 8% of code lines are comments
ERROR_HANDLING_RATIO = 0.06
def truncated_gauss(mean, std, lo, hi):
v = random.gauss(mean, std)
return int(max(lo, min(hi, v)))
def pick_weighted(items):
"""重み付き辞書から選択"""
total = sum(items.values())
r = random.random() * total
c = 0
for item, weight in items.items():
c += weight
if r <= c:
return item
return list(items.keys())[-1]
# ============================================================
# コード生成テンプレート
# ============================================================
def gen_code_python(project_type, features):
"""Pythonコード生成(高品質・実践的)"""
class_name = ''.join(word.capitalize() for word in project_type.split()[:3]) + 'Manager'
func_name = project_type.replace(' ', '_').replace('-', '_')
lines = []
# Imports
imports = [
'import os', 'import sys', 'import json', 'import logging',
'from typing import Optional, List, Dict, Any',
'from dataclasses import dataclass',
'from pathlib import Path',
]
if 'error' in features or 'handler' in project_type:
imports.append('import traceback')
if 'api' in project_type or 'server' in project_type:
imports.append('from fastapi import FastAPI, HTTPException')
if 'db' in project_type or 'database' in project_type:
imports.append('import sqlite3 # or your DB driver')
if 'cli' in project_type:
imports.append('import argparse')
if 'scraper' in project_type:
imports.append('import requests\nfrom bs4 import BeautifulSoup')
random.shuffle(imports)
lines.extend(imports[:random.randint(4, len(imports))])
lines.append('')
# Logging setup
lines.append('# Configure logging')
lines.append('logging.basicConfig(')
lines.append(' level=logging.INFO,')
lines.append(" format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'")
lines.append(')')
lines.append(f'logger = logging.getLogger(__name__)')
lines.append('')
# Config
lines.append('# Configuration')
lines.append('class Config:')
lines.append(' """Application configuration loaded from environment."""')
env_vars = [
f" DEBUG = os.getenv('DEBUG', 'false').lower() == 'true'",
f" PORT = int(os.getenv('PORT', '8000'))",
f" HOST = os.getenv('HOST', '0.0.0.0')",
f" LOG_LEVEL = os.getenv('LOG_LEVEL', 'INFO')",
f" MAX_RETRIES = int(os.getenv('MAX_RETRIES', '3'))",
f" TIMEOUT = int(os.getenv('TIMEOUT', '30'))",
]
if 'db' in project_type or 'database' in project_type:
env_vars.append(f" DATABASE_URL = os.getenv('DATABASE_URL', 'sqlite:///app.db')")
if 'api' in project_type:
env_vars.append(f" API_KEY = os.getenv('API_KEY', '')")
lines.extend(env_vars[:random.randint(4, len(env_vars))])
lines.append('')
# Main class with docstring
lines.append(f'class {class_name}:')
lines.append(f' """')
lines.append(f' {project_type.title()} implementation.')
lines.append(f' Handles core business logic with error handling and logging.')
lines.append(f' """')
lines.append('')
lines.append(' def __init__(self, config: Optional[Config] = None):')
lines.append(' """Initialize the manager with optional config override."""')
lines.append(' self.config = config or Config()')
lines.append(' logger.info(f"Initialized {self.__class__.__name__}")')
lines.append('')
lines.append(' @staticmethod')
lines.append(f' def validate_input(data: Dict[str, Any]) -> bool:')
lines.append(f' """Validate input data structure."""')
lines.append(' try:')
lines.append(' if not isinstance(data, dict):')
lines.append(' raise TypeError("Input must be a dictionary")')
lines.append(' logger.debug(f"Validated input: {len(data)} keys")')
lines.append(' return True')
lines.append(' except Exception as e:')
lines.append(' logger.error(f"Validation failed: {e}")')
lines.append(' return False')
lines.append('')
lines.append(' def process(self, data: Dict[str, Any]) -> Dict[str, Any]:')
lines.append(' """')
lines.append(f' Process the {project_type}.')
lines.append(' Args:')
lines.append(' data: Input data dictionary')
lines.append(' Returns:')
lines.append(' Processed result dictionary')
lines.append(' Raises:')
lines.append(' ValueError: If processing fails')
lines.append(' """')
lines.append(' if not self.validate_input(data):')
lines.append(' logger.warning("Invalid input, using defaults")')
lines.append(' data = {}')
lines.append(' try:')
lines.append(' logger.info("Starting processing")')
# Processing logic
logic_lines = [
' result = {"status": "success", "data": {}}',
' for key, value in data.items():',
' if value is not None:',
f' result["data"][key] = self._transform(value)',
' logger.info(f"Processed {len(result["data"])} items")',
' return result',
' except Exception as e:',
' logger.error(f"Processing failed: {e}", exc_info=True)',
' return {"status": "error", "message": str(e)}',
]
lines.extend(logic_lines)
lines.append('')
lines.append(' def _transform(self, value: Any) -> Any:')
lines.append(' """Transform a single value (override in subclass)."""')
lines.append(' return value')
lines.append('')
# Entry point
lines.append('')
lines.append('def main():')
lines.append(' """Entry point with CLI support."""')
lines.append(' parser = argparse.ArgumentParser(')
lines.append(f' description="{project_type.title()} Tool"')
lines.append(' )')
lines.append(' parser.add_argument("--config", "-c", help="Config file path")')
lines.append(' parser.add_argument("--verbose", "-v", action="store_true", help="Verbose output")')
lines.append(' args = parser.parse_args()')
lines.append('')
lines.append(' if args.verbose:')
lines.append(' logging.getLogger().setLevel(logging.DEBUG)')
lines.append('')
lines.append(' try:')
lines.append(f' manager = {class_name}()')
lines.append(' result = manager.process({"input": "test"})')
lines.append(f' logger.info(f"Result: {{result}}")')
lines.append(' except Exception as e:')
lines.append(' logger.critical(f"Fatal error: {e}")')
lines.append(' sys.exit(1)')
lines.append('')
lines.append('if __name__ == "__main__":')
lines.append(' main()')
return '\n'.join(lines)
def gen_code_javascript(project_type, features):
"""JavaScriptコード生成"""
func_name = project_type.replace(' ', '_').replace('-', '_')
lines = []
# Imports / requires
if random.random() < 0.5:
lines.append("'use strict';")
lines.append('')
lines.append('const fs = require("fs");')
lines.append('const path = require("path");')
lines.append('const { EventEmitter } = require("events");')
if 'api' in project_type or 'server' in project_type:
lines.append('const express = require("express");')
if 'db' in project_type:
lines.append('const Database = require("better-sqlite3");')
else:
lines.append('import fs from "fs";')
lines.append('import path from "path";')
lines.append('import { EventEmitter } from "events";')
if 'api' in project_type or 'server' in project_type:
lines.append('import express from "express";')
lines.append('')
# Logging
lines.append('// Simple logger utility')
lines.append('const logger = {')
lines.append(' info: (...args) => console.log(`[INFO]`, ...args),')
lines.append(' warn: (...args) => console.warn(`[WARN]`, ...args),')
lines.append(' error: (...args) => console.error(`[ERROR]`, ...args),')
lines.append(' debug: (...args) => {')
lines.append(' if (process.env.DEBUG) console.log(`[DEBUG]`, ...args)')
lines.append(' },')
lines.append('};')
lines.append('')
# Config
lines.append('// Configuration with defaults')
lines.append('const config = {')
lines.append(' port: parseInt(process.env.PORT, 10) || 3000,')
lines.append(' host: process.env.HOST || "0.0.0.0",')
lines.append(' debug: process.env.DEBUG === "true",')
lines.append(' maxRetries: parseInt(process.env.MAX_RETRIES, 10) || 3,')
lines.append(' timeout: parseInt(process.env.TIMEOUT, 10) || 5000,')
lines.append('};')
lines.append('')
# Main class
class_name = ''.join(word.capitalize() for word in project_type.split()[:3]) + 'Handler'
lines.append('/**')
lines.append(f' * {project_type.title()} handler class')
lines.append(' * Manages the core business logic with error handling.')
lines.append(' */')
lines.append(f'class {class_name} extends EventEmitter {{')
lines.append(' /**')
lines.append(' * @param {Object} [options] - Configuration overrides')
lines.append(' */')
lines.append(' constructor(options = {}) {')
lines.append(' super();')
lines.append(' this.options = { ...config, ...options };')
lines.append(' this.initialized = false;')
lines.append(' logger.info(`${this.constructor.name} created`);')
lines.append(' }')
lines.append('')
lines.append(' /** Initialize the handler */')
lines.append(' async init() {')
lines.append(' try {')
lines.append(' logger.info("Initializing...");')
lines.append(' this.initialized = true;')
lines.append(' this.emit("ready");')
lines.append(' logger.info("Initialization complete");')
lines.append(' } catch (err) {')
lines.append(' logger.error(`Init failed: ${err.message}`);')
lines.append(' throw err;')
lines.append(' }')
lines.append(' }')
lines.append('')
lines.append(' /**')
lines.append(f' * Process {project_type} data')
lines.append(' * @param {Object} data - Input data')
lines.append(' * @returns {Promise<Object>} Processed result')
lines.append(' */')
lines.append(' async process(data) {')
lines.append(' if (!this.initialized) await this.init();')
lines.append(' logger.info("Processing...");')
lines.append(' try {')
lines.append(' const result = this._transform(data);')
lines.append(' logger.debug("Transform successful");')
lines.append(' return { success: true, data: result };')
lines.append(' } catch (err) {')
lines.append(' logger.error(`Process failed: ${err.message}`);')
lines.append(' return { success: false, error: err.message };')
lines.append(' }')
lines.append(' }')
lines.append('')
lines.append(' /** @private */')
lines.append(' _transform(data) {')
lines.append(' // Override in subclass')
lines.append(' return data;')
lines.append(' }')
lines.append('}')
lines.append('')
# Export
if random.random() < 0.7:
lines.append('// Export for external use')
lines.append('module.exports = { Handler: HandlerClass, config };')
else:
lines.append('export { HandlerClass, config };')
lines.append('')
# Main
lines.append('// Main execution')
lines.append('async function main() {')
lines.append(' try {')
lines.append(f' const handler = new {class_name}();')
lines.append(' const result = await handler.process({ test: true });')
lines.append(' logger.info("Result:", JSON.stringify(result, null, 2));')
lines.append(' } catch (err) {')
lines.append(' logger.error(`Main failed: ${err}`);')
lines.append(' process.exit(1);')
lines.append(' }')
lines.append('}')
lines.append('')
lines.append('if (require.main === module) {')
lines.append(' main();')
lines.append('}')
return '\n'.join(lines)
# ============================================================
# CoT 生成(Claudeレベルの思考過程)
# ============================================================
REASONING_TEMPLATES = [
# Template 1: 探索・分析
"""Let me analyze what we need here. The user wants a {project_type}. Let me think through the architecture:
First, I need to understand the core requirements:
1. The main functionality is {purpose}
2. We need proper error handling and logging
3. Configuration should be environment-based
4. The code should be modular and testable
Let me check what approach works best. I'll start with the data structures, then implement the core logic, and finally add the integration layer. Looking at common patterns for this type of project, I should consider:
- Input validation upfront
- Clear separation of concerns
- Proper error boundaries
- Configurable behavior
The implementation should be robust - I'll add type hints, docstrings, logging, and error handling throughout. This ensures the code is production-ready and maintainable.
Now let me implement this step by step:""",
# Template 2: 問題解決・デバッグ
"""Let me think through this carefully. We're building a {project_type} and I want to make sure it's done right.
The key challenges here are:
1. Handling edge cases properly
2. Making the code resilient to failures
3. Keeping it clean and maintainable
I realize that starting with a solid foundation is critical. Let me look at what patterns work well:
- Use dependency injection for testability
- Implement proper logging from the start
- Add configuration via environment variables
- Structure code with single-responsibility principle
One thing I've learned from experience: always add error handling and logging upfront. It's much harder to add them later. Let me also make sure we have:
- Input validation
- Graceful degradation
- Informative error messages
- Proper cleanup in failure paths
Let me build this now:""",
# Template 3: 反復改善
"""Looking at this {project_type} implementation, I want to make sure it's well-structured.
My approach:
1. First, scaffold the basic structure
2. Add core logic with error boundaries
3. Implement configuration management
4. Add logging and monitoring
5. Create the entry point
I'm thinking about the architecture:
- A main class/function handles the core logic
- Configuration is externalized
- Errors are caught and logged appropriately
- The code is organized for readability
After the initial implementation, I should review and refine. Common improvements include:
- Adding more specific error types
- Improving log messages for debugging
- Making configuration more flexible
- Adding input validation
Let me write the code:""",
# Template 4: 自己指示・検証
"""I need to build a {project_type}. Let me plan this carefully before writing code.
Step 1: Set up the project structure
- Create the main module with clear dependencies
- Set up logging and configuration
- Define data structures
Step 2: Implement core logic
- Handle the main business requirements
- Add error handling for each operation
- Log important state changes
Step 3: Add robustness
- Validate inputs
- Handle failure modes
- Add retry logic where appropriate
- Ensure clean shutdown
Step 4: Verify the implementation
- Check that all paths are covered
- Ensure error messages are helpful
- Verify configuration works
This structured approach ensures we don't miss anything important. Let me implement it now:""",
]
# ============================================================
# 指示生成
# ============================================================
INSTRUCTIONS = [
"Write a production-ready {project_type} implementation with proper error handling, logging, and configuration.",
"Implement a {project_type} following best practices. Include error handling, logging, and configuration via environment variables.",
"Create a robust {project_type} with comprehensive error handling, input validation, and configurable behavior.",
"Build a {project_type} that handles edge cases gracefully. Include logging, error recovery, and environment-based configuration.",
"Develop a {project_type} with clean architecture: separate concerns, handle errors properly, log important events, and support configuration.",
"Write a well-structured {project_type} with type hints, docstrings, error handling, and configurable parameters.",
"Implement a production-quality {project_type} with proper error boundaries, logging infrastructure, and externalized configuration.",
"Create a {project_type} following software engineering best practices: modular design, error handling, logging, configuration management.",
]
def gen_instruction(project_type):
"""指示文生成"""
template = random.choice(INSTRUCTIONS)
return template.format(project_type=project_type)
def gen_input(project_type, language):
"""入力フィールド生成(追加のコンテキスト)"""
inputs = [
f"Language: {language}\nThe {project_type} should be configurable via environment variables. Include error handling and logging.",
f"Language: {language}\nRequirements: Configurable behavior, robust error handling, structured logging, input validation.",
f"Language: {language}\nFollow production best practices: configuration, error handling, logging, testing support.",
"",
]
return random.choice(inputs)
def gen_output(project_type, language):
"""出力生成(CoT + コード)"""
# Choose reasoning template
cot = random.choice(REASONING_TEMPLATES).format(
project_type=project_type,
purpose=random.choice([
"handling the core business logic",
"processing and transforming data",
"managing the workflow pipeline",
"providing the main functionality",
"coordinating between components",
])
)
# Adjust CoT length to match target distribution
target_len = truncated_gauss(COT_LEN_MEAN, COT_LEN_STD, COT_LEN_MIN, COT_LEN_MAX)
while len(cot) < target_len:
# Add more reasoning
cot += '\n\n' + random.choice([
"I also need to consider edge cases like empty inputs, network failures, and invalid configurations. Each of these should be handled gracefully with appropriate error messages and recovery strategies.",
"Let me also think about the testing strategy. The code should be structured so that individual components can be tested in isolation. Dependency injection helps with this.",
"One more thing - I should make sure the logging is informative enough for debugging production issues. Log levels should be configurable, and important state changes should be recorded.",
"I want to ensure the code follows the principle of least surprise. Function names should be descriptive, side effects should be documented, and the API should be intuitive.",
"Error messages should be actionable. Instead of just saying 'something went wrong', they should indicate what failed and why. This helps with debugging and incident response.",
"Configuration should have sensible defaults so the code works out of the box. But all important behaviors should be overridable through environment variables or config files.",
])
cot = cot[:target_len]
# Generate code
if language == 'python':
features = ['comments', 'error_handling', 'config', 'logging', 'cli']
code = gen_code_python(project_type, features)
elif language in ('javascript', 'typescript', 'node.js/express'):
features = ['comments', 'error_handling', 'config', 'logging']
code = gen_code_javascript(project_type, features)
else:
# Fallback to Python
code = gen_code_python(project_type, ['comments', 'error_handling'])
# Format output: CoT + code
output = f"{cot}\n\n```{language}\n{code}\n```"
return output
def generate_record():
"""1レコード生成"""
language = pick_weighted(LANGUAGES)
project_type = random.choice(PROJECT_TYPES)
instruction = gen_instruction(project_type)
input_text = gen_input(project_type, language)
output = gen_output(project_type, language)
return {
"instruction": instruction,
"input": input_text,
"output": output,
}
def generate_dataset(num_records, output_path):
"""データセット生成"""
records = []
print(f"Generating {num_records} coding excellence records...", file=sys.stderr)
for i in range(num_records):
record = generate_record()
records.append(record)
if (i + 1) % 10000 == 0:
print(f" {i+1}/{num_records} generated", file=sys.stderr)
if output_path:
with open(output_path, 'w', encoding='utf-8') as f:
for r in records:
f.write(json.dumps(r, ensure_ascii=False) + '\n')
print(f"Written {len(records)} records to {output_path}", file=sys.stderr)
else:
for r in records:
print(json.dumps(r, ensure_ascii=False))
# Statistics
total_chars = sum(len(r['output']) for r in records)
avg_cot = total_chars / len(records) if records else 0
print(f"\nStats: {len(records)} records, avg output length: {avg_cot:.0f} chars", file=sys.stderr)
return records
if __name__ == '__main__':
ap = argparse.ArgumentParser(description='Generate coding excellence dataset (chat format)')
ap.add_argument('--records', type=int, default=100000, help='Number of records')
ap.add_argument('--output', type=str, default='coding_excellence.jsonl', help='Output file')
ap.add_argument('--seed', type=int, default=None, help='Random seed')
args = ap.parse_args()
if args.seed is not None:
random.seed(args.seed)
np.random.seed(args.seed)
generate_dataset(args.records, args.output)