site_8g/statics.py

#!/usr/bin/env python3
import subprocess
import datetime
import os
import sys
from collections import defaultdict

def get_git_root(path="."):
    """获取当前目录所在的Git仓库根目录"""
    try:
        result = subprocess.run(
            ["git", "rev-parse", "--show-toplevel"],
            cwd=path,
            capture_output=True,
            text=True,
            check=True
        )
        return result.stdout.strip()
    except subprocess.CalledProcessError:
        print("错误：当前目录不是Git仓库的一部分", file=sys.stderr)
        sys.exit(1)

def get_today_commits(repo_path):
    """获取今日所有提交的哈希值"""
    today = datetime.date.today().strftime("%Y-%m-%d")
    try:
        result = subprocess.run(
            ["git", "log", f"--since={today} 00:00", "--until={today} 23:59", "--format=%H"],
            cwd=repo_path,
            capture_output=True,
            text=True,
            check=True
        )
        return result.stdout.strip().split()
    except subprocess.CalledProcessError as e:
        print(f"获取提交历史失败: {e.stderr}", file=sys.stderr)
        return []

def count_changes_in_commit(repo_path, commit_hash):
    """统计单个提交的代码变动行数"""
    try:
        result = subprocess.run(
            ["git", "diff", "--numstat", f"{commit_hash}^!", commit_hash],
            cwd=repo_path,
            capture_output=True,
            text=True,
            check=True
        )
        
        insertions = 0
        deletions = 0
        for line in result.stdout.strip().split('\n'):
            parts = line.split('\t')
            if len(parts) == 3:
                ins, dels, _ = parts
                insertions += int(ins) if ins != '-' else 0
                deletions += int(dels) if dels != '-' else 0
        
        return insertions, deletions
    except subprocess.CalledProcessError:
        return 0, 0

def get_file_extension(filename):
    """获取文件扩展名"""
    ext = os.path.splitext(filename)[1].lower()
    return ext if ext else "unknown"

def count_changes_by_filetype(repo_path, commit_hash):
    """按文件类型统计代码变动行数"""
    try:
        result = subprocess.run(
            ["git", "diff", "--numstat", f"{commit_hash}^!", commit_hash],
            cwd=repo_path,
            capture_output=True,
            text=True,
            check=True
        )
        
        filetype_stats = defaultdict(lambda: {"insertions": 0, "deletions": 0})
        for line in result.stdout.strip().split('\n'):
            parts = line.split('\t')
            if len(parts) == 3:
                ins, dels, filename = parts
                ext = get_file_extension(filename)
                filetype_stats[ext]["insertions"] += int(ins) if ins != '-' else 0
                filetype_stats[ext]["deletions"] += int(dels) if dels != '-' else 0
        
        return filetype_stats
    except subprocess.CalledProcessError:
        return defaultdict(lambda: {"insertions": 0, "deletions": 0})

def main():
    # 获取Git仓库根目录
    repo_path = get_git_root()
    repo_name = os.path.basename(repo_path)
    
    # 获取今日提交
    commits = get_today_commits(repo_path)
    if not commits:
        print(f"今日（{datetime.date.today()}）在仓库 '{repo_name}' 中没有提交")
        return
    
    # 统计总变动
    total_insertions = 0
    total_deletions = 0
    filetype_stats = defaultdict(lambda: {"insertions": 0, "deletions": 0})
    
    for commit in commits:
        # 统计总变动
        ins, dels = count_changes_in_commit(repo_path, commit)
        total_insertions += ins
        total_deletions += dels
        
        # 按文件类型统计
        commit_filetype_stats = count_changes_by_filetype(repo_path, commit)
        for ext, stats in commit_filetype_stats.items():
            filetype_stats[ext]["insertions"] += stats["insertions"]
            filetype_stats[ext]["deletions"] += stats["deletions"]
    
    # 打印结果
    print(f"Git仓库代码变动统计 - {repo_name}")
    print(f"日期: {datetime.date.today()}")
    print(f"提交数: {len(commits)}")
    print(f"总插入行数: {total_insertions}")
    print(f"总删除行数: {total_deletions}")
    print(f"净变动行数: {total_insertions - total_deletions}")
    print("\n按文件类型统计:")
    print("{:<10} {:>12} {:>12} {:>12}".format("类型", "插入", "删除", "净变动"))
    print("-" * 48)
    
    # 按插入行数排序并打印
    for ext, stats in sorted(filetype_stats.items(), key=lambda x: x[1]["insertions"], reverse=True):
        net = stats["insertions"] - stats["deletions"]
        print("{:<10} {:>12} {:>12} {:>12}".format(ext or "无扩展名", stats["insertions"], stats["deletions"], net))

if __name__ == "__main__":
    main()