diff options
Diffstat (limited to 'segments/weather.sh')
| -rwxr-xr-x | segments/weather.sh | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/segments/weather.sh b/segments/weather.sh new file mode 100755 index 0000000..74e352e --- /dev/null +++ b/segments/weather.sh @@ -0,0 +1,182 @@ +# 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 +} |