ampledata / Aprs
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aprs - Python APRS Module
aprs is a Python Module that supports connecting to APRS Interfaces, and receiving, parsing and sending APRS Frames.
Included are several Interface Classes:
- APRS - Abstract Class from which all other Connection Interfaces are inherited.
- TCP - Connection Interface Class for connecting to APRS-IS via TCP. Can send or receive APRS Frames.
- UDP - Connection Interface Class for connecting to APRS-IS via UDP. Only supports sending APRS Frames.
- HTTP - Connection Interface Class for connecting to APRS-IS via HTTP. Currently only supports sending APRS Frames.
Frame and Callsign classes are included:
- Frame - Describes the components of an APRS Frame.
- Callsign - Describes the components of an APRS Callsign.
Versions
- 6.5.x branch will be the last version of this Module that supports Python 2.7.x
- 7.x.x branch and-on will be Python 3.x ONLY.
Installation
Install from pypi using pip: pip install aprs
Usage Examples
Example 1: Library Usage - Receive
The following example connects to APRS-IS as W2GMD (me!) and filters for APRS frames coming from my prefix (W2GMD, W2GMD-n, etc). Any frames returned are sent to my callback p and printed.
Example 1 Code ^^^^^^^^^^^^^^ ::
import aprs
def p(x): print(x)
a = aprs.TCP('W2GMD', '12345')
a.start()
a.receive(callback=p)
Example 1 Output ^^^^^^^^^^^^^^^^ ::
W2GMD-6>APRX28,TCPIP*,qAC,APRSFI-I1:T#471,7.5,34.7,37.0,1.0,137.0,00000000
Example 2: Library Usage - Send
The following example connects to APRS-IS as W2GMD (me!) and sends an APRS frame.
Example 2 Code ^^^^^^^^^^^^^^ ::
import aprs
frame = aprs.parse_frame('W2GMD>APRS:>Hello World!')
a = aprs.TCP('W2GMD', '12345')
a.start()
a.send(frame)
Testing
Run nosetests from a Makefile target::
make test
Errata
7.0.0rc1 - Currently setting/getting digi flag on KISS frames is broken. Expect it to be fixed in final release of 7.0.0.
See Also
-
Python KISS Module <https://github.com/ampledata/kiss>
_ Library for interfacing-to and encoding-for various KISS Interfaces. -
Python APRS Module <https://github.com/ampledata/aprs>
_ Library for sending, receiving and parsing APRS Frames to and from multiple Interfaces -
Python APRS Gateway <https://github.com/ampledata/aprsgate>
_ Uses Redis PubSub to run a multi-interface APRS Gateway. -
Python APRS Tracker <https://github.com/ampledata/aprstracker>
_ TK. -
dirus <https://github.com/ampledata/dirus>
_ Dirus is a daemon for managing a SDR to Dire Wolf interface. Manifests that interface as a KISS TCP port.
Similar Projects
-
apex <https://github.com/Syncleus/apex>
_ by Jeffrey Phillips Freeman (WI2ARD). Next-Gen APRS Protocol. (based on this Module! :) -
aprslib <https://github.com/rossengeorgiev/aprs-python>
_ by Rossen Georgiev. A Python APRS Library with build-in parsers for several Frame types. -
aprx <http://thelifeofkenneth.com/aprx/>
_ by Matti & Kenneth. A C-based Digi/IGate Software for POSIX platforms. -
dixprs <https://sites.google.com/site/dixprs/>
_ by HA5DI. A Python APRS project with KISS, digipeater, et al., support. -
APRSDroid <http://aprsdroid.org/>
_ by GE0RG. A Java/Scala Android APRS App. -
YAAC <http://www.ka2ddo.org/ka2ddo/YAAC.html>
_ by KA2DDO. A Java APRS Client. -
Ham-APRS-FAP <http://search.cpan.org/dist/Ham-APRS-FAP/>
_ by aprs.fi: A Perl APRS Parser. -
Dire Wolf <https://github.com/wb2osz/direwolf>
_ by WB2OSZ. A C-Based Soft-TNC for interfacing with sound cards. Can present as a KISS interface!
Build Status
Master:
.. image:: https://travis-ci.org/ampledata/aprs.svg?branch=master :target: https://travis-ci.org/ampledata/aprs
Develop:
.. image:: https://travis-ci.org/ampledata/aprs.svg?branch=develop :target: https://travis-ci.org/ampledata/aprs
Source
Github: https://github.com/ampledata/aprs
Author
Greg Albrecht W2GMD [email protected]
Copyright
Copyright 2017 Greg Albrecht and Contributors
Automatic Packet Reporting System (APRS) <http://www.aprs.org/>
_ is Copyright Bob Bruninga WB4APR [email protected]
fcs.py - Copyright (c) 2013 Christopher H. Casebeer. All rights reserved.
decimaldegrees.py - Copyright (C) 2006-2013 by Mateusz Łoskot [email protected]
License
Apache License, Version 2.0. See LICENSE for details.
fcs.py - BSD 2-clause Simplified License
decimaldegrees.py - BSD 3-clause License