org-google-weather.el

   1 ;;; org-google-weather.el --- Show Google Weather forecasts in Org agenda.
   2
   3 ;; Copyright (C) 2010 Julien Danjou
   4
   5 ;; Author: Julien Danjou <julien@danjou.info>
   6 ;; Keywords: comm
   7
   8 ;; This file is NOT part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24 ;; This module allows to display the weather forecast fetched from Google in
  25 ;; your Org agenda.
  26 ;;
  27 ;;     Wednesday   8 September 2010
  28 ;;       Weather:    Pluie, 12/18 ℃
  29 ;;     Thursday    9 September 2010
  30 ;;       Weather:    Couverture nuageuse partielle, 11/21 ℃
  31 ;;
  32 ;; Just add the following in an Org buffer:
  33 ;; %%(org-google-weather)
  34 ;;
  35 ;;; Code:
  36
  37 (require 'google-weather)
  38 (require 'image)
  39
  40 (defgroup org-google-weather nil
  41   "Google Weather for Org mode."
  42   :group 'comm)
  43
  44 ;; Org mode support
  45 (defcustom org-google-weather-location
  46   "Paris"
  47   "Default location for org-google-weather."
  48   :group 'org-google-weather)
  49
  50 (defcustom org-google-weather-cache-time 43200
  51   "Define for how many seconds we should cache the weather."
  52   :group 'org-google-weather)
  53
  54 (defcustom org-google-weather-display-icon-p t
  55   "Display icons."
  56   :group 'org-google-weather)
  57
  58 (defcustom org-google-weather-icon-directory "/usr/share/icons/gnome/16x16/status"
  59   "Directory where to find icon listed in `org-google-weather-icon-alist'."
  60   :group 'org-google-weather)
  61
  62 (defcustom org-google-weather-icon-alist
  63   '((chance_of_rain . "weather-showers-scattered.png")
  64     (chance_of_snow . "weather-snow.png")
  65     (chance_of_storm . "weather-storm.png")
  66     (cloudy . "weather-overcast.png")
  67     (dust . "weather-fog.png")
  68     (flurries . "weather-storm.png")
  69     (fog . "weather-fog.png")
  70     (haze . "weather-fog.png")
  71     (icy . "weather-snow.png")
  72     (mist . "weather-storm.png")
  73     (mostly_cloudy . "weather-overcast.png")
  74     (mostly_sunny . "weather-clear.png")
  75     (partly_cloudy . "weather-few-clouds.png")
  76     (rain . "weather-showers.png")
  77     (sleet . "weather-snow.png")
  78     (smoke . "weather-fog.png")
  79     (snow . "weather-snow.png")
  80     (storm . "weather-storm.png")
  81     (thunderstorm . "weather-storm.png")
  82     (sunny . "weather-clear.png"))
  83   "Icons to used to illustrate the weather.")
  84
  85 (defun org-google-weather (&optional location language)
  86   "Return Org entry with the weather for LOCATION in LANGUAGE.
  87 If LOCATION is not set, use org-google-weather-location."
  88   (let* ((data (google-weather-get-data (or location
  89                                             org-google-weather-location)
  90                                         language
  91                                         org-google-weather-cache-time))
  92          (forecast (google-weather-data->forecast-for-date data date)))
  93     (when forecast
  94       (let ((condition (cadr (assoc 'condition forecast)))
  95             (low (cadr (assoc 'low forecast)))
  96             (high (cadr (assoc 'high forecast)))
  97             ;; But *they* told me it's just about calling functions!
  98             (icon (cdr
  99                    (assoc
 100                     (intern
 101                      (file-name-sans-extension
 102                       (file-name-nondirectory
 103                        (cadr (assoc 'icon forecast)))))
 104                     org-google-weather-icon-alist)))
 105             (temp-symbol (google-weather-data->temperature-symbol data)))
 106         (concat
 107          (if org-google-weather-display-icon-p
 108              (concat (propertize "icon"
 109                                  'display
 110                                  (create-image
 111                                   (concat org-google-weather-icon-directory "/" icon))
 112                                  'rear-nonsticky '(display))
 113                      " ")
 114            "")
 115          condition ", " low "-" high " " temp-symbol)))))
 116
 117 (provide 'org-google-weather)