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CurrentCost

A Python application to graphically represent data received from a

CurrentCost meter.

Useful links:

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Overview of the app

http://code.google.com/p/currentcostgui/

Blog posts:

1st version of the app http://dalelane.co.uk/blog/?p=280

http://dalelane.co.uk/blog/?p=281

Re-working the app plans http://dalelane.co.uk/blog/?p=288

Current version of the app http://dalelane.co.uk/blog/?p=297

Seeking feedback http://dalelane.co.uk/blog/?p=298

Adding web services functions http://dalelane.co.uk/blog/?p=305

Seeking testers for web services http://dalelane.co.uk/blog/?p=307

Setting personal targets http://dalelane.co.uk/blog/?p=333

Adding webservice showing all users http://dalelane.co.uk/blog/?p=434

Updating the parser http://dalelane.co.uk/blog/?p=456

Graphing National Grid data http://dalelane.co.uk/blog/?p=469

Measuring costs from live graph http://dalelane.co.uk/blog/?p=1142

Providing support

http://getsatisfaction.com/dalelane/products/dalelane_currentcost_gui

Dale Lane (http://dalelane.co.uk/blog)

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OVERVIEW OF THE CODE

====================

currentcost.py - main entry function, and implements the

GUI's menus and their actions

currentcostserialconn.py - makes a serial connection to a CurrentCost

meter

currentcostdata.py - represents data contained in a single

update from a CurrentCost meter

currentcostparser.py - CurrentCost XML data parser used when

receiving data over serial connection

currentcostdataconvert.py - used by XML parser to convert relative

time descriptions into absolute

currentcostdatafunctions.py - converts the relative description of usage

in a CurrentCost update into absolute

currentcostdb.py - sqlite DB to persist CurrentCost usage

data, and settings and preferences

currentcostgraphs.py - matplotlib/wxPython code to implement the

tabs that make up the GUI

currentcostvisualisations.py - draws bar graphs of CurrentCost data

currentcostmqtt.py - downloads history data from a remote

CurrentCost meter via MQTT

googleappengine.py - gets data from a Google App Engine web

service to show other user's data

currentcostlivedata.py - draws tab to display a graph of live data

currentcostmqttlive.py - downloads live data for the live graph

from a remote CurrentCost meter via MQTT

currentcostcomlive.py - downloads live data for the live graph

from a CurrentCost meter

currentcosthistorydata - implements a download manager to handle

background downloading of history data

currentcostmqtthistory.py - downloads historical data if downloading

all updates in background via MQTT

currentcostcomhistory.py - downloads historical data if downloading

all updates in background

nationalgriddata.py - downloads live national electricity usage

data from the National Grid realtime feed