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Python Haystack Utility

Project Description

What is this ?

Pyhaystack is a module that allow python programs to connect to a haystack server using semantic data model for buildings (project-haystack).

Browse a campus, building, floor… find VAV boxes, AHU units, etc. Then extract history data from them and get the results ready for analysis using pandas or your own database implementation.

Which clients are implemented ?

Actually, connection can be established with :

Connection to Niagara AX or Niagara 4 requires the nHaystack module by J2 Innovations to be installed and properly configured on your Jace. Refer to documentation of nHaystack for details.

How do I install pyhaystack ?

pip install pyhaystack

Or you can also git clone the develop branch and use

python setup.py install

What is project-haystack ?

As stated in the web site

Project Haystack is an open source initiative to streamline working with data from the Internet of Things. We standardize semantic data models and web services with the goal of making it easier to unlock value from the vast quantity of data being generated by the smart devices that permeate our homes, buildings, factories, and cities. Applications include automation, control, energy, HVAC, lighting, and other environmental systems.”

—Project-Haystack

Actual implementation

Pyhaystack is robust and will be ready for asynchronous development.

We have chosen a state machine approach with observer pattern. See the docs for more informations.

This implementation has been mostly supported by VRT and Servisys. We are hoping that more people will join us in our effort to build a well working open-source software that will open the door of building data analysis to Python users.

Dependency

Pyhaystack highly depends on hszinc which is a special parser for zinc encoded data. Zinc was created for project-haystack as a CSV replacement.

For analysis, we also suggest using Pint to deal with units. It will bring a lot of possibilities to pyhaystack (ex. unit conversion)

Release History

Release History

This version
History Node

0.92.1

History Node

0.92

History Node

0.91.1

History Node

0.91

History Node

0.72.1

History Node

0.72

History Node

0.9

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pyhaystack-0.92.1-py3-none-any.whl (99.3 kB) Copy SHA256 Checksum SHA256 py3 Wheel May 17, 2017
pyhaystack-0.92.1.tar.gz (48.3 kB) Copy SHA256 Checksum SHA256 Source May 17, 2017

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