[mythtv] [PATCH] MythWeather server name change

[Brad Benson]

>From some activity on the -users list it appears that mythweather is
no longer working correctly due to some DNS  changes by weather.com. 
In an attempt to prevent this from being a 'recompile mythweather'
problem in the future I've made some changes that will allow an entry
in the settings table of the db to specify the URL used for weather
data and maps.  There are hardcoded default values using currently
working URL's so that missing settings shouldn't have any effect on
current users.  I also cleaned up some of the debugging output to use
VERBOSE instead of plain old cerr calls.

In looking through the code it seems that we might want some more
modular way to retrieve weather data in the case that we need to
change data providers (or that a user would simply prefer to use
something other than msnbc/weather.com).  This patch certainly doesn't
address that in any way, but it would prevent problems in the case
that the URL for retrieving data changes, but the data remains in the
same format.

As far as a modular method to retrieve weather data, I was thinking
that the best way would probably be to call an outside script/program
that would have to conform to a specified output format.  Myth could
then read the predictable output from that program and gather the
necessary data.  This would allow users to create their own
screenscraper/data parser, change the weather data URL's in the db and
be off and running using whatever data source they'd like.

Anyone have any input/suggestions towards this goal or is anyone
already working on something similar?

Brad
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