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# Prints the current weather in Celsius, Fahrenheits or lord Kelvins. The forecast is cached and updated with a period of $update_period.
# The update period in seconds.
update_period=600
TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER_DEFAULT="yahoo"
TMUX_POWERLINE_SEG_WEATHER_UNIT_DEFAULT="c"
TMUX_POWERLINE_SEG_WEATHER_UPDATE_PERIOD_DEFAULT="600"
if shell_is_bsd; then
TMUX_POWERLINE_SEG_WEATHER_GREP_DEFAULT="/usr/local/bin/grep"
else
TMUX_POWERLINE_SEG_WEATHER_GREP_DEFAULT="grep"
fi
generate_segmentrc() {
read -d '' rccontents << EORC
# The data provider to use. Currently only "yahoo" is supported.
export TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER="${TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER_DEFAULT}"
# What unit to use. Can be any of {c,f,k}.
export TMUX_POWERLINE_SEG_WEATHER_UNIT="${TMUX_POWERLINE_SEG_WEATHER_UNIT_DEFAULT}"
# How often to update the weather in seconds.
export TMUX_POWERLINE_SEG_WEATHER_UPDATE_PERIOD="${TMUX_POWERLINE_SEG_WEATHER_UPDATE_PERIOD_DEFAULT}"
# Name of GNU grep binary if in PATH, or path to it.
export TMUX_POWERLINE_SEG_WEATHER_GREP="${TMUX_POWERLINE_SEG_WEATHER_GREP_DEFAULT}"
# Your location. Find a code that works for you:
# 1. Go to Yahoo weather http://weather.yahoo.com/
# 2. Find the weather for you location
# 3. Copy the last numbers in that URL. e.g. "http://weather.yahoo.com/united-states/california/newport-beach-12796587/" has the numbers "12796587"
export TMUX_POWERLINE_SEG_WEATHER_LOCATION="8691"
EORC
echo "$rccontents"
}
run_segment() {
__process_settings
local tmp_file="${TMUX_POWERLINE_DIR_TEMPORARY}/weather_yahoo.txt"
local weather
case "$TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER" in
"yahoo") weather=$(__yahoo_weather) ;;
*)
echo "Unknown weather provider [${$TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER}]";
return 1
esac
if [ -n "$weather" ]; then
echo "$weather"
fi
}
__process_settings() {
if [ -z "$TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER" ]; then
export TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER="${TMUX_POWERLINE_SEG_WEATHER_DATA_PROVIDER_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_WEATHER_UNIT" ]; then
export TMUX_POWERLINE_SEG_WEATHER_UNIT="${TMUX_POWERLINE_SEG_WEATHER_UNIT_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_WEATHER_UPDATE_PERIOD" ]; then
export TMUX_POWERLINE_SEG_WEATHER_UPDATE_PERIOD="${TMUX_POWERLINE_SEG_WEATHER_UPDATE_PERIOD_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_WEATHER_GREP" ]; then
export TMUX_POWERLINE_SEG_WEATHER_GREP="${TMUX_POWERLINE_SEG_WEATHER_GREP_DEFAULT}"
fi
if [ -z "$TMUX_POWERLINE_SEG_WEATHER_LOCATION" ]; then
echo "No weather location specified.";
exit 8
fi
}
__yahoo_weather() {
degree=""
if [ -f "$tmp_file" ]; then
if shell_is_osx || shell_is_bsd; then
last_update=$(stat -f "%m" ${tmp_file})
elif shell_is_linux; then
last_update=$(stat -c "%Y" ${tmp_file})
fi
time_now=$(date +%s)
up_to_date=$(echo "(${time_now}-${last_update}) < ${update_period}" | bc)
if [ "$up_to_date" -eq 1 ]; then
__read_tmp_file
fi
fi
if [ -z "$degree" ]; then
weather_data=$(curl --max-time 4 -s "http://weather.yahooapis.com/forecastrss?w=${TMUX_POWERLINE_SEG_WEATHER_LOCATION}&u=${TMUX_POWERLINE_SEG_WEATHER_UNIT}")
if [ "$?" -eq "0" ]; then
error=$(echo "$weather_data" | grep "problem_cause\|DOCTYPE");
if [ -n "$error" ]; then
echo "error"
exit 1
fi
# Assume latest grep is in PATH
gnugrep="${TMUX_POWERLINE_SEG_WEATHER_GREP}"
# <yweather:units temperature="F" distance="mi" pressure="in" speed="mph"/>
unit=$(echo "$weather_data" | "$gnugrep" -PZo "<yweather:units [^<>]*/>" | sed 's/.*temperature="\([^"]*\)".*/\1/')
condition=$(echo "$weather_data" | "$gnugrep" -PZo "<yweather:condition [^<>]*/>")
# <yweather:condition text="Clear" code="31" temp="66" date="Mon, 01 Oct 2012 8:00 pm CST" />
degree=$(echo "$condition" | sed 's/.*temp="\([^"]*\)".*/\1/')
condition=$(echo "$condition" | sed 's/.*text="\([^"]*\)".*/\1/')
# Pull the times for sunrise and sunset so we know when to change the day/night indicator
# <yweather:astronomy sunrise="6:56 am" sunset="6:21 pm"/>
sunrise=$(date -d"$(echo "$weather_data" | "$gnugrep" "yweather:astronomy" | sed 's/^\(.*\)sunset.*/\1/' | sed 's/^.*sunrise="\(.*m\)".*/\1/')" +%H%M)
sunset=$(date -d"$(echo "$weather_data" | "$gnugrep" "yweather:astronomy" | sed 's/^.*sunset="\(.*m\)".*/\1/')" +%H%M)
elif [ -f "${tmp_file}" ]; then
__read_tmp_file
fi
fi
if [ -n "$degree" ]; then
if [ "$TMUX_POWERLINE_SEG_WEATHER_UNIT" == "k" ]; then
degree=$(echo "${degree} + 273.15" | bc)
fi
condition_symbol=$(__get_condition_symbol "$condition" "$sunrise" "$sunset")
echo "${condition_symbol} ${degree}°$(echo "$TMUX_POWERLINE_SEG_WEATHER_UNIT" | tr '[:lower:]' '[:upper:]')" | tee "${tmp_file}"
fi
}
# Get symbol for condition. Available conditions: http://developer.yahoo.com/weather/#codes
__get_condition_symbol() {
local condition=$(echo "$1" | tr '[:upper:]' '[:lower:]')
local sunrise="$2"
local sunset="$3"
case "$condition" in
"sunny" | "hot")
hourmin=$(date +%H%M)
if [ "$hourmin" -ge "$sunset" -o "$hourmin" -le "$sunrise" ]; then
#echo "☽"
echo "☾"
else
#echo "☀"
echo "☼"
fi
;;
"rain" | "mixed rain and snow" | "mixed rain and sleet" | "freezing drizzle" | "drizzle" | "light drizzle" | "freezing rain" | "showers" | "mixed rain and hail" | "scattered showers" | "isolated thundershowers" | "thundershowers" | "light rain with thunder" | "light rain" | "rain and snow")
#echo "☂"
echo "☔"
;;
"snow" | "mixed snow and sleet" | "snow flurries" | "light snow showers" | "blowing snow" | "sleet" | "hail" | "heavy snow" | "scattered snow showers" | "snow showers" | "light snow" | "snow/windy" | "snow grains" | "snow/fog")
#echo "☃"
echo "❅"
;;
"cloudy" | "mostly cloudy" | "partly cloudy" | "partly cloudy/windy")
echo "☁"
;;
"tornado" | "tropical storm" | "hurricane" | "severe thunderstorms" | "thunderstorms" | "isolated thunderstorms" | "scattered thunderstorms")
#echo "⚡"
echo "☈"
;;
"dust" | "foggy" | "fog" | "haze" | "smoky" | "blustery" | "mist")
#echo "♨"
#echo "﹌"
echo "〰"
;;
"windy" | "fair/windy")
#echo "⚐"
echo "⚑"
;;
"clear" | "fair" | "cold")
hourmin=$(date +%H%M)
if [ "$hourmin" -ge "$sunset" -o "$hourmin" -le "$sunrise" ]; then
echo "☾"
else
echo "〇"
fi
;;
*)
echo "?"
;;
esac
}
__read_tmp_file() {
if [ ! -f "$tmp_file" ]; then
return
fi
cat "${tmp_file}"
exit
}
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