greenlet - Lightweight in-process concurrent programming
The “greenlet” package is a spin-off of Stackless, a version of CPython that supports micro-threads called “tasklets”.
Tasklets run pseudo-concurrently (typically in a single or a few OS-level threads) and are synchronized with data exchanges on “channels”.
A “greenlet”, on the other hand, is a still more primitive notion of micro-thread with no implicit scheduling; coroutines, in other words. This is useful when you want to control exactly when your code runs. You can build custom scheduled micro-threads on top of greenlet; however, it seems that greenlets are useful on their own as a way to make advanced control flow structures. For example, we can recreate generators; the difference with Python’s own generators is that our generators can call nested functions and the nested functions can yield values too. (Additionally, you don’t need a “yield” keyword. See the example in test/test_generator.py).... More Info »
Greenlets are provided as a C extension module for the regular unmodified interpreter.
Source code : https://github.com/python-greenlet/greenlet
Link to official greenlet site
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c-python concurrent-programming coroutine coroutines microthread microthreads multithread stackless tasklet tasklets
greenlet was added by 11009723 in
Jul 2016 and the latest update was made in
Jul 2016. The list of alternatives was updated Aug 2016.
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