Library for interacting with UPB PIM.
Python UPB Powerline Interface library
Library for interacting with UPB PIM/CIM
- Python 3.7 (or higher)
This package is created as a library to interact with an UPB PIM. The motivation to write this was to use with the Home Assistant automation platform. The library can be used for writing other UPB applications. The IO with the PIM is asynchronous over TCP or over the serial port.
$ pip install upb_lib
Simplest thing right now is when in the root of the git repo that you have cloned is to enter the command
bin/simple. This program requires that the environment variable
UPBPIM_URL set to indicate how to connect to the PIM. For example,
serial:///dev/cu.KeySerial1 connects to the PIM on a serial port (
/dev/cu/KeySerial1. On Windows something like
serial://COM1 might work.
Also required is a
UPStart export file. The
bin/simple program looks for it
in the same directory as where the program is (i.e.:
bin) and assumes that it is named
Initialization of the library takes the following parameters:
url: This is the PIM to connect to. It is formatted as a URL. Two formats
<device> is the serial/USB port on which the PIM is connected;
tcp://<IP or domain>[:<port] where IP or domain is where the device is connected on the network (perhaps using
ser2tcp or a PIM-U) and an optional
port number with a default of 2101.
Note: no testing has been completed on the
tcp:// connection as of yet.
UPStartExportFile: the path of where to read the export file generated through File->Export on the UPStart utility. This is optional but recommended.
flags: A string that contains a set of comma separated flags. Each flag can take the form of <flag_name> or <flag_name>=<value>. Parse is simple with no escapes so values cannot contain commas or equals. Flags supported are:
unlimited_blink_rate: By default the minimum value that can be pass to blink a light or link is 30 (which is about 1/2 a second). When this flag is specified the minimum is 1.
use_raw_rate: By default the API takes the number of seconds as the rate in which to transition lights to their new level. The number of seconds is coverted to the closest rate value that UPB understands (see rate table below). For example, if a request is to transition a light to its new state in 8 seconds, the closest value that UPB supports is 10 seconds and that is the transition time that will be used. If the use raw rate flag is given on initializing this library then the rate value is assumed to be the UPB rate value. i.e.: not in seconds but is a value that UPB "understands".
First use of the API
Read the code in
bin/simple. That is the short use of the API around. Beyond that look at the file
links.py. Any method in those files that has a description that starts with
(Helper) are generally UPB actions.
Many of the UPB commands take a
rate. The values of the rate is as follows (at least for Simply Automated devices):
0 = Snap 1 = 0.8 seconds 2 = 1.6 seconds 3 = 3.3 seconds 4 = 5.0 seconds 5 = 6.6 seconds 6 = 10 seconds 7 = 20 seconds 8 = 30 seconds 9 = 1 minute 10 = 2 minutes 11 = 5 minutes 12 = 10 minutes 13 = 15 minutes 14 = 30 minutes 15 = 1 hour
This project uses poetry for development dependencies. Installation instructions are on their website.
To get started developing:
git clone https://github.com/gwww/upb-lib.git cd upb poetry install poetry shell # Or activate the created virtual environment make test # to ensure everything installed properly
There is a
Makefile in the root directory as well. The
followed by one of the targets in the
Makefile can be used. If you don't
have or wish to use
Makefile serves as examples of common
commands that can be run.
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