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Asynchronous Channel Access client for asyncio and Python using libca via ctypes

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aioca is an asynchronous Channel Access client for asyncio and Python using libca via ctypes. It exposes a high level interface similar to the commandline tools:

caget(pvs, ...)
    Returns a single snapshot of the current value of each PV.

caput(pvs, values, ...)
    Writes values to one or more PVs.

camonitor(pvs, callback, ...)
    Receive notification each time any of the listed PVs changes.

connect(pvs, ...)
    Optionally can be used to establish PV connection before using the PV.


Full documentation is available at

Source Code

Available from


To install the latest release, type:

pip install aioca






APACHE License. (see LICENSE)

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