lzw65 / safe_open

Safe open function

Introduction

Resolved Issue: When reading a file, the inadvertent use of "w" mode will erase the original file's contents.

Install

    pip install safe_open

How to use

    from safe_open import safe_open

    with safe_open("test.txt", "w") as f:
        f.write("Hello, World!")  # 正常写入
    
    with safe_open("test.txt", "r") as f:
        content = f.read()  # 正常读取

    with safe_open("test.txt", "w") as f: # OSError: file mode error: cannot read in write mode
        content = f.read()  # 异常读取

    with safe_open("test.txt", "r") as f: # OSError: file mode error: cannot write in read mode
        content = f.write()  # 异常写入