mirror of https://github.com/RT-Thread/rt-thread
201 lines
8.0 KiB
Python
201 lines
8.0 KiB
Python
#
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# Copyright (c) 2025, RT-Thread Development Team
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Change Logs:
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# Date Author Notes
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# 2025-05-15 supperthomas add PR status show
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#
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#!/usr/bin/env python3
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import subprocess
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import sys
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import os
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import re
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import argparse
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import locale
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from typing import List, Dict
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class FileDiff:
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def __init__(self, path: str, status: str, size_change: int = 0, old_size: int = 0, new_size: int = 0):
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self.path = path
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self.status = status # A (added), M (modified), D (deleted), R (renamed)
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self.size_change = size_change
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self.old_size = old_size
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self.new_size = new_size
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def __str__(self):
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if self.status == 'A':
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return f"Added {self.path}: {self.size_change} bytes"
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elif self.status == 'D':
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return f"Deleted {self.path}: was {self.old_size} bytes"
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elif self.status == 'M' or self.status == 'R':
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return f"Modified {self.path}: {self.size_change} bytes change"
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else:
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return f"{self.status} {self.path}"
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class GitDiffAnalyzer:
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def __init__(self, target_branch: str):
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self.target_branch = target_branch
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self.encoding = locale.getpreferredencoding()
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def get_diff_files(self) -> List[FileDiff]:
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"""获取当前分支与目标分支之间的差异文件"""
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# 找到当前分支和目标分支的最近共同祖先
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merge_base = self.get_merge_base()
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if not merge_base:
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print("No common ancestor found between current branch and target branch")
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sys.exit(1)
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# 获取差异文件列表
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diff_cmd = f"git diff --name-status {merge_base} "
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print(diff_cmd)
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try:
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output = subprocess.check_output(diff_cmd.split(), stderr=subprocess.STDOUT)
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output = output.decode(self.encoding).strip()
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print(output)
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except subprocess.CalledProcessError as e:
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print(f"Error executing git diff: {e.output.decode(self.encoding)}")
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sys.exit(1)
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if not output:
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print("No differences between current branch and target branch")
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sys.exit(0)
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# 处理可能的换行符问题
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output = output.replace('\r\n', '\n')
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lines = output.split('\n')
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file_diffs = []
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for line in lines:
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line = line.strip()
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if not line:
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continue
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parts = line.split('\t')
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if len(parts) < 2:
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# 可能是重命名文件，格式为 "RXXX\told_path\tnew_path"
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match = re.match(r'R(\d+)\t(.+)\t(.+)', line)
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if match:
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status = 'R'
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old_path = match.group(2)
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new_path = match.group(3)
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# 计算重命名文件的修改大小
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old_size = self.get_file_size(old_path, self.target_branch)
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new_size = self.get_file_size(new_path, 'HEAD')
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size_change = new_size - old_size if old_size > 0 else new_size
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file_diffs.append(FileDiff(new_path, status, size_change, old_size, new_size))
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else:
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status = parts[0][0] # 取状态码的第一个字符
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path = parts[1]
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if status == 'A':
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# 新增文件，计算大小
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size = self.get_file_size(path, 'HEAD')
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file_diffs.append(FileDiff(path, status, size, 0, size))
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elif status == 'D':
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# 删除文件，计算原大小
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size = self.get_file_size(path, self.target_branch)
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file_diffs.append(FileDiff(path, status, 0, size, 0))
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elif status == 'M':
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# 修改文件，计算大小变化
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old_size = self.get_file_size(path, self.target_branch)
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new_size = self.get_file_size(path, 'HEAD')
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size_change = new_size - old_size
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file_diffs.append(FileDiff(path, status, size_change, old_size, new_size))
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return file_diffs
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def get_merge_base(self) -> str:
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"""获取当前分支和目标分支的最近共同祖先"""
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try:
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cmd = f"git merge-base {self.target_branch} HEAD"
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print(cmd)
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output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
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return output.decode(self.encoding).strip()
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except subprocess.CalledProcessError as e:
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print(f"Error executing git merge-base: {e.output.decode(self.encoding)}")
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return None
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def get_file_size(self, path: str, ref: str) -> int:
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"""获取指定分支上文件的大小"""
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try:
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# 使用 git cat-file 来获取文件内容，然后计算其大小
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cmd = f"git cat-file blob {ref}:{path}"
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output = subprocess.check_output(cmd.split(), stderr=subprocess.STDOUT)
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return len(output)
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except subprocess.CalledProcessError:
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# 如果文件不存在或无法获取，返回0
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return 0
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def format_size(size: int) -> str:
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"""将字节大小转换为人类可读的格式"""
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if size < 1024:
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return f"{size} bytes"
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elif size < 1024 * 1024:
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return f"{size / 1024:.1f} KB"
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elif size < 1024 * 1024 * 1024:
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return f"{size / (1024 * 1024):.1f} MB"
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else:
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return f"{size / (1024 * 1024 * 1024):.1f} GB"
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def main():
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parser = argparse.ArgumentParser(description='Compare current branch with target branch and show file differences.')
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parser.add_argument('target_branch', help='Target branch to compare against (e.g., master)')
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args = parser.parse_args()
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analyzer = GitDiffAnalyzer(args.target_branch)
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file_diffs = analyzer.get_diff_files()
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# 生成报告
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generate_report(file_diffs, args.target_branch)
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def generate_report(file_diffs: List[FileDiff], target_branch: str):
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"""生成差异报告"""
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print(f"\n=== Comparison between {target_branch} and current branch ===\n")
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# 分类统计
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added_files = [f for f in file_diffs if f.status == 'A']
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removed_files = [f for f in file_diffs if f.status == 'D']
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modified_files = [f for f in file_diffs if f.status == 'M']
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renamed_files = [f for f in file_diffs if f.status == 'R']
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# 计算总变化量
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total_added = sum(f.size_change for f in added_files)
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total_removed = sum(f.old_size for f in removed_files)
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total_modified = sum(abs(f.size_change) for f in modified_files)
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# 计算总的大小变化
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total_size_change = sum(f.size_change for f in file_diffs)
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print(f"Total changes: {len(file_diffs)} files")
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print(f"Added: {len(added_files)} files ({format_size(total_added)})")
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print(f"Removed: {len(removed_files)} files ({format_size(total_removed)})")
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print(f"Modified: {len(modified_files)} files ({format_size(total_modified)})")
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print(f"Renamed: {len(renamed_files)} files")
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print(f"\nTotal size change: {format_size(total_size_change)}")
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print("\n" + "="*60 + "\n")
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# 显示详细差异
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for diff in file_diffs:
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print(diff)
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# 详细展示修改和新增的文件大小
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if diff.status == 'A':
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print(f" Size: {format_size(diff.new_size)}")
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elif diff.status == 'M':
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print(f" Original size: {format_size(diff.old_size)}")
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print(f" New size: {format_size(diff.new_size)}")
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print(f" Size change: {format_size(abs(diff.size_change))}")
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elif diff.status == 'R':
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print(f" Original size: {format_size(diff.old_size)}")
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print(f" New size: {format_size(diff.new_size)}")
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print(f" Size change: {format_size(abs(diff.size_change))}")
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elif diff.status == 'D':
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print(f" Original size: {format_size(diff.old_size)}")
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print("-" * 50)
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if __name__ == "__main__":
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main() |