collective.weather
A Plone package to display the current weather at selected locations inside a portlet or viewlet.
Readme
collective.weather
.. contents:: Table of Contents
A Plone package to display the current weather at selected locations inside a portlet or viewlet.
.. image:: https://secure.travis-ci.org/collective/collective.weather.png?branch=master :target: http://travis-ci.org/collective/collective.weather
.. image:: https://coveralls.io/repos/collective/collective.weather/badge.png?branch=master :target: https://coveralls.io/r/collective/collective.weather
Got an idea? Found a bug? Let us know by opening a support ticket_.
Installation ^^^^^^^^^^^^
To enable this package on a buildout-based installation:
#. Edit your buildout.cfg and add collective.weather to the list of eggs
to install::
[buildout]
...
eggs =
collective.weather
#. If you are using Plone 4.1, you may need to extend a Dexterity known good set (KGS) to make sure that you get the right versions of the packages that make up Dexterity::
[buildout]
...
extends =
https://good-py.appspot.com/release/dexterity/1.2.1?plone=4.1.6
After updating the configuration you need to run ''bin/buildout'', which will take care of updating your system.
Go to the 'Site Setup' page in a Plone site and click on the 'Add-ons' link.
Check the box next to ''collective.weather'' and click the 'Activate' button.
.. Note:: You may have to empty your browser cache and save your resource registries in order to see the effects of the product installation.
Usage ^^^^^
Go to Site Setup and select 'Weather'.
Enter the list of locations that are going to be available on the site in the following format::
location_id|name
Where location_id should be a unique value and not repeated among any of the locations; name is the name to be shown in the drop down (this doesn't need to be unique). Some examples could be::
455827|São Paulo (for Yahoo! Weather)
-23.548871,-46.638814|São Paulo (for Forecast.io and Weather Underground)
Select the sistem of units: Metric or Imperial. Metric system uses degrees Celsius. Imperial system uses degrees Fahrenheit.
Finding locations ^^^^^^^^^^^^^^^^^
Different weather service providers need different location ids to get weather conditions.
You'll have to change the Available locations setting depending on your selection. Please, refer to providers documentation for more information:
Yahoo Weather_ needs a WOEID. There's a convenient online tool to get WOEID.Forecast.io API_ just needs a latitude, longitude coordinate.Weather Underground_ accepts many options (check the query option).Portlet ^^^^^^^
The package includes a portlet that you can add in your site.
.. image:: https://raw.github.com/collective/collective.weather/master/portlet.png :align: center :alt: The Weather portlet
Viewlet ^^^^^^^
.. Warning:: The weather viewlet, as originaly planned, has proven to be pretty complex to implement. Current implementation is still buggy. Use it at your own risk.
The package also includes a viewlet that will display the weather in one of the locations defined in the settings. The viewlet will be displayed on top of the site inside the IPortalHeader viewlet manager.
To use the viewlet you need to activate it: go to Site Setup and select 'Weather' again. Select the 'Show weather viewlet?' box.
The user will be able to select from one of the locations (this information will be stored inside a cookie to show this location the next time the user visits the site).
The current weather condition of the selected location will be displayed at the viewlet.
.. image:: https://raw.github.com/collective/collective.weather/master/viewlet.png :align: center :alt: The Weather viewlet
Internals +++++++++
.. Note:: This section could be outdated.
The weather viewlet uses Javascript in order to change cities, so this will only work for Javascript enabled browsers.
To render the city weather, there is a "current-weather" view that will render the latest info it has on weather conditions for a given city. A cookie is used to get the latest chosen city, and you can override it by passing a "city" argument to the view.
To update the city weather, there is a "update-weather", that, when called without parameters, it will update all cities from the list. You can pass a "city" argument to the view, to only update the given city.
There's an internal cache for each city (30 minutes), that if not enough time has passed, then it will assume the current weather is updated, and it will not do anything.
The Javascript that changes the city, will call this "update-weather" for the chosen city to update it first. Thanks to this internal cache, this view will return fast, if not enough time has passed.
In order to make it really fast for visitors of your site, you can set-up a clockserver job to call this "update-weather" view with no params, once every 30 minutes, so weather information for all your cities are ready for when the visitor changes it from the drop-down.
Extending the package with new weather providers ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In case you want to contribute with new weather providers for this package or
if you want to add a new one in a custom package for your site you'll just
need to create a new named utility that should implement
collective.weather.interfaces.IWeatherInfo.
Weather control panel will automatically learn about the new utility and it will be listed as an option in the provider's drop-down.
This package already comes with some utilities you can check to get a quick idea of how to create yours:
yahoo <https://github.com/collective/collective.weather/blob/master/src/collective/weather/utilities/yahoo.py>_forecast.io <https://github.com/collective/collective.weather/blob/master/src/collective/weather/utilities/forecastio.py>_wunderground <https://github.com/collective/collective.weather/blob/master/src/collective/weather/utilities/wunderground.pyweather>_The API for this utility_ is very simple.
In case your utility needs an API key you can pass it on initialization_.
Here's and example you can copy and paste to start your custom utility::
"""Example of a named utility for IWeatherInfo.
"""
from collective.weather.interfaces import IWeatherInfo
from zope.interface import implements
class DummyProvider(object):
"""Dummy weather implementation of IWeatherInfo
"""
implements(IWeatherInfo)
def __init__(self, key=None):
self.key = key
def getWeatherInfo(self, location, units='metric', lang='en'):
"""Dummy implementation of getWeatherInfo as an example
"""
return {
'summary': u'What a lovely day!',
'temperature': 20,
'icon': u'lovely-day-icon.png',
}
Weather Forecast_
A very old an unmaintained product, Weather Forecast is a portlet that
will display the observation of the weather. Compatible with Plone 2.5.
.. _Forecast.io API: https://developer.forecast.io/docs/v2
.. _online tool to get WOEID: http://woeid.rosselliot.co.nz/lookup
.. _opening a support ticket: https://github.com/collective/collective.weather/issues
.. _Weather Forecast: http://plone.org/products/ploneweatherforecast
.. _Yahoo Weather: http://developer.yahoo.com/weather/
.. _Yahoo! Weather: http://weather.yahoo.com/
.. _an API key you can pass it on initialization: https://github.com/collective/collective.weather/blob/master/src/collective/weather/utilities/forecastio.py#L114
.. _The API for this utility: https://github.com/collective/collective.weather/blob/master/src/collective/weather/interfaces.py#L21
.. _Weather Underground: http://www.wunderground.com/weather/api/d/docs?d=data/index&MR=1
.. _WOEID: http://developer.yahoo.com/geo/geoplanet/guide/concepts.html#woeids
collective.weather would not have been possible without the contribution
of the following people:
Tango Desktop Project_ (icon)Adam Whitcroft's Climacons_ (icon set)Development sponsored by OpenMultimedia_.
.. _OpenMultimedia: http://www.openmultimedia.biz/
.. _Tango Desktop Project: http://tango.freedesktop.org/
.. _Adam Whitcroft's Climacons: http://adamwhitcroft.com/climacons/
There's a frood who really knows where his towel is.
1.0a4 (2014-04-11) ^^^^^^^^^^^^^^^^^^
.. Warning:: This release includes many changes in the package structure and is not backwards compatible.
Update package documentation. [marcosfromero, hvelarde]
Spanish and Brazilian Portuguese translations were updated. [hvelarde]
Refactor weather_utility to use location_id as key. (closes #36_).
[marcosfromero]
Depend on plone.api and remove dependency on pywapi. [hvelarde]
New named utilities for Forecast.io and Weather Underground (closes #18_).
[marcosfromero]
New API for named utilities and Yahoo! Weather implementation. [marcosfromero]
The weather portlet is now configurable. [marcosfromero]
1.0a3 (2013-10-29) ^^^^^^^^^^^^^^^^^^
.. Warning:: This release includes many changes in the package structure and is not backwards compatible.
Spanish and Brazilian Portuguese translations were updated. [hvelarde]
Package documentation was updated. [hvelarde]
A new option to define whether or not the weather viewlet is visible was
added; by default the viewlet is hidden (closes #14_). [hvelarde]
Control panel configlet was simplified; now all package settings are defined
in one screen (closes #19_). [hvelarde]
WeatherUtility is now registered as a global utility as we have no data to
persist on it (closes #7). If you're still stock with a
TypeError: ('object.new(WeatherUtility) is not safe...
error, keep calm an read the section dedicated to componentregistry.xml
on How to make your Plone add-on products uninstall cleanly. May the
Force be with you. [hvelarde]
Add weather portlet that displays weather conditions of current city
(closes #9_). [marcosfromero]
Remove all Google Weather related code. [marcosfromero]
Weather conditions moved to title tag. [flecox]
1.0a2 (2012-09-14) ^^^^^^^^^^^^^^^^^^
Made the code to be more resistent to invalid data from the weather server. [frapell]
Major refactoring to allow updates and city changes through AJAX calls
(fixes #6_). [frapell]
Implemented Yahoo! Weather. [frapell]
1.0a1 (2012-08-01) ^^^^^^^^^^^^^^^^^^
.. _#6: https://github.com/collective/collective.weather/issues/6
.. _#7: https://github.com/collective/collective.weather/issues/7
.. _#9: https://github.com/collective/collective.weather/issues/9
.. _#11: https://github.com/collective/collective.weather/issues/11
.. _#14: https://github.com/collective/collective.weather/issues/14
.. _#18: https://github.com/collective/collective.weather/issues/18
.. _#19: https://github.com/collective/collective.weather/issues/19
.. _#36: https://github.com/collective/collective.weather/issues/36
.. _How to make your Plone add-on products uninstall cleanly: http://blog.keul.it/2013/05/how-to-make-your-plone-add-on-products.html
FAQs
A Plone package to display the current weather at selected locations inside a portlet or viewlet.
We found that collective.weather demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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