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Life & fun · September 18, 2021

Pytest-watcher – A working alternative to Pytest-watch

Automatically rerun your tests on file modifications - olzhasar/pytest-watcher

Pytest-watcher – A working alternative to Pytest-watch launched on September 18, 2021 with 26 votes, #1,115 of 2,941 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 5 years on.

Visit github.com ↗Alternatives

In plain words

Pytest-watcher is a command-line tool that automatically reruns Pytest tests whenever source files change. Designed for Python developers who want continuous feedback while coding, it serves as an alternative to the older Pytest-watch project. The tool monitors your project directory and triggers test runs on file modifications, reducing the need to manually execute tests during development cycles.

written from the facts on this page · September 2026

Does a similar job

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  • Py-spy – A new sampling profiler for Python programs2018 · github.com · ▲286

    Sampling profiler for Python programs. Contribute to benfred/py-spy development by creating an account on GitHub.

  • Leaping – Debug Python tests instantly with an LLM debugger2024 · github.com · ▲120

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  • Filesystem Watcher2022 · github.com · ▲91

    An arbitrary filesystem event watcher which is: - simple - efficient - dependency free - runnable anywhere with a filesystem - header only Watcher is extremely efficient. In most cases, even when scanning millions of paths, this library uses a near-zero amount of resources. Watcher is simple. The library exposes a single function and a single object. That is all. Happy hacking.

  • Mustardwatch: Detect what files a program uses, rerun when they change2025 · github.com · ▲15
  • Change Python code while it's running using a reloading loop2019 · github.com · ▲187

    Change Python code while it's running without losing state - julvo/reloading

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