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Python connector to OSIsoft PI SDK

Project description

A python connector to the OSISoft PI and PI-AF databases

This connector allows access to the OSISoft PI System through their proprietary SDK. It provides a number of classes, mostly mirroring the AF SDK structure, but at the same time implementing the cool stuff we use Python for. Connections to the database are therefore implemented as context managers, to allow opening a connection using a with statement.

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Python connector to OSIsoft PI SDK


Features below are for both: PI Server and PIAF Database:

  • Extract recorded values

  • Extract interpolated values

  • Update a value

  • Summarize data before extraction with help of OSIsoft PI SDK

  • Filter data before extraction with help of OSIsoft PI SDK


0.9.1 (2021-08-11)

  • Fixes the Exception type to swallow (related to #580)

  • Fixes missing dependency in wheel (#595)

0.9.0 (2021-08-10)

  • Added support to write values to the databases (#573)

  • Added support for extracting Event frames from PI-AF (#587)

  • Added methods to extract a single historic value from both PIPoint and PIAFAttribute objects. (#523)

  • Added options to login to the PI Server using provided credentials (#522)

  • Added option to set the connection timeout for data extraction (#572)

  • Better loading of the configured servers (#580)

  • All data extracting functions now support both extraction using strings and datetime objects. (#574)

0.8.0 (2020-03-03)

  • Added option to configure the timezone for the returned index. Changed default from Europe/Amsterdam to UTC! Adds pytz as new dependency(#499)

  • More robust detection of the default PI AF server (#496, #501)

  • Removed pytest-runner dependency unless explicitly requested (#503)

  • Exiting the context manager for a PIAFDatabase no longer explicitly disconnects from the server, but leaves it up to SDK. (#487)

  • Various updates of the package dependencies

0.7.1 (2019-08-16)

  • Improved documentation

  • Changed PIData.PISeriesContainer to an Abstract Base Class

0.7.0 (2018-11-14)

  • Add summary, summaries, and filtered_summaries methods to PIPoint

    and PIAFAttribute

0.6.0 (2018-07-05)

0.5.1 (2017-11-25)

0.4.0 (2017-11-25)

  • First release on PyPI.

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