import os
home_dir = os.path.expanduser('~')
config_path = os.path.join(home_dir, 'Documents', 'config.ini')
# Windows輸出：C:\Users\YourUser\Documents\config.ini
# Linux輸出：/home/YourUser/Documents/config.ini

from pathlib import Path
config_path = Path.home() / 'Documents' / 'config.ini'
# 自動適配操作系統(tǒng)分隔符

p = Path('./data//config.ini')  # 自動去除多余斜杠
print(p)  # 輸出規(guī)范化路徑

path = '/home/user/project/src/main.py'
dirname = os.path.dirname(path)  # '/home/user/project/src'
basename = os.path.basename(path)  # 'main.py'
stem = os.path.splitext(basename)[0]  # 'main'

p = Path('/home/user/project/src/main.py')
print(p.parent)      # 父目錄: /home/user/project/src
print(p.parents[0])  # 上級目錄: /home/user/project
print(p.parents[1])  # 上兩級目錄: /home/user
print(p.name)        # 文件名: main.py
print(p.stem)        # 無后綴名: main
print(p.suffix)      # 后綴: .py
print(p.suffixes)    # 多后綴: ['.tar', '.gz'] (如Path('archive.tar.gz'))
print(p.parts)       # 路徑分解: ('/', 'home', 'user', 'project', 'src', 'main.py')

import os
file_path = os.path.join('data', 'notes.txt')
# 寫入文件
with open(file_path, 'w') as f:
    f.write('Hello, pathlib!')
# 讀取文件
with open(file_path, 'r') as f:
    content = f.read()

from pathlib import Path
file_path = Path('data') / 'notes.txt'
# 寫入文件
file_path.write_text('Hello, pathlib!', encoding='utf-8')
# 讀取文件
content = file_path.read_text(encoding='utf-8')

import os
for root, dirs, files in os.walk('project'):
    for file in files:
        if file.endswith('.py'):
            print(os.path.join(root, file))

from pathlib import Path
# 遍歷當前目錄下所有.py文件
for py_file in Path('project').glob('*.py'):
    print(py_file)
# 遞歸遍歷子目錄
for py_file in Path('project').rglob('*.py'):
    print(py_file)

import os
path = 'data/config.ini'
if os.path.exists(path):
    if os.path.isfile(path):
        print("文件存在")
    elif os.path.isdir(path):
        print("目錄存在")
else:
    print("路徑不存在")

from pathlib import Path
p = Path('data/config.ini')
if p.exists():
    if p.is_file():
        print("文件存在")
    elif p.is_dir():
        print("目錄存在")
else:
    print("路徑不存在")

match p:
    case Path() if p.is_file():
        print("文件存在")
    case Path() if p.is_dir():
        print("目錄存在")
    case _:
        print("路徑不存在")

# Windows路徑
path = 'C:\Users\Project\data.txt'
# Linux路徑
path = '/home/user/project/data.txt'

from pathlib import Path
# 以下代碼在任意系統(tǒng)正常工作
p1 = Path('C:/Users/Project/data.txt')  # Windows風格
p2 = Path('/home/user/project/data.txt')  # Linux風格
print(p1.resolve())  # 輸出絕對路徑
print(p2.resolve())

import boto3
s3 = boto3.client('s3')
response = s3.get_object(Bucket='my-bucket', Key='data/file.txt')
content = response['Body'].read()

from cloudpathlib import CloudPath
# 訪問S3文件
s3_path = CloudPath('s3://my-bucket/data/file.txt')
content = s3_path.read_text()
# 訪問本地文件（兼容性）
local_path = CloudPath('/tmp/file.txt')

p = Path('/path/to/link')
print(p.is_symlink())  # 檢查是否為符號鏈接
print(p.readlink())    # 讀取鏈接目標
print(p.resolve())     # 解析為絕對路徑（跟隨鏈接）

base = Path('/home/user/project')
p = Path('/home/user/project/src/main.py')
print(p.relative_to(base))  # 輸出: src/main.py

for py_file in Path('project').rglob('*.py'):
    new_path = py_file.with_suffix('.py.bak')
    py_file.rename(new_path)

long_path = Path(r'\?\C:\very\long\path...')