asyncio-cancel-token: Task cancellation pattern for asyncio applications
Project description
# asyncio-cancel-token
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Task cancellation pattern for asyncio applications.
Read more in the [documentation on ReadTheDocs](https://asyncio-cancel-token.readthedocs.io/). [View the change log](https://asyncio-cancel-token.readthedocs.io/en/latest/releases.html).
## Quickstart
`sh pip install asyncio-cancel-token `
## Developer Setup
If you would like to hack on asyncio-cancel-token, please check out the [Ethereum Development Tactical Manual](https://github.com/pipermerriam/ethereum-dev-tactical-manual) for information on how we do:
Testing
Pull Requests
Code Style
Documentation
### Development Environment Setup
You can set up your dev environment with:
`sh git clone git@github.com:ethereum/asyncio-cancel-token.git cd asyncio-cancel-token virtualenv -p python3 venv . venv/bin/activate pip install -e .[dev] `
### Testing Setup
During development, you might like to have tests run on every file save.
Show flake8 errors on file change:
`sh # Test flake8 when-changed -v -s -r -1 cancel_token/ tests/ -c "clear; flake8 cancel_token tests && echo 'flake8 success' || echo 'error'" `
Run multi-process tests in one command, but without color:
`sh # in the project root: pytest --numprocesses=4 --looponfail --maxfail=1 # the same thing, succinctly: pytest -n 4 -f --maxfail=1 `
Run in one thread, with color and desktop notifications:
`sh cd venv ptw --onfail "notify-send -t 5000 'Test failure ⚠⚠⚠⚠⚠' 'python 3 test on asyncio-cancel-token failed'" ../tests ../cancel_token `
### Release setup
For Debian-like systems: ` apt install pandoc `
To release a new version:
`sh make release bump=$$VERSION_PART_TO_BUMP$$ `
#### How to bumpversion
The version format for this repo is {major}.{minor}.{patch} for stable, and {major}.{minor}.{patch}-{stage}.{devnum} for unstable (stage can be alpha or beta).
To issue the next version in line, specify which part to bump, like make release bump=minor or make release bump=devnum.
If you are in a beta version, make release bump=stage will switch to a stable.
To issue an unstable version when the current version is stable, specify the new version explicitly, like make release bump=”–new-version 4.0.0-alpha.1 devnum”
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