Waket Zheng

# Summary Add check_ascii_printable function to reduce duplicated code. # Checklist - [x] I understand that this PR may be closed in case there was no previous discussion. (This doesn't...

feat: support -o/--oneline

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Closes #17

Drop python3.7 support

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1. Drop py37 support; 2. Run `make up` to upgrade dependencies; 3. Move config of `flake8` and `mypy` from setup.cfg to pyproject.toml; 4. Bump up actions version in pypi.yml; 5....

使用ruff格式化代码 ```toml [tool.ruff] line-length = 120 # 每一行的最大字符数设为120 [tool.ruff.format] quote-style = "preserve" # 保留单引号和双引号混合使用的风格 ``` 添加了配置文件后，简单的执行了如下命令： ```bash pip install --upgrade ruff ruff format . ```

🐛 Fix Python3.11+ raises `ModuleNotFoundError: No module named typing_extensions`

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## How to reproduce: ```bash mkdir temp cd temp python3.11 -m venv venv source venv/*/activate pip install asyncer python -c 'import asyncer' ``` BTW: I changed `anyio.sleep(0)` to `anyio.lowlevel.checkpoint` as...