from datetime import datetime
import file_writer
import renderer
import json
import re
import secrets
import urllib2
import random
class weather_renderer(renderer.debuggable_abstaining_renderer):
"""A renderer to fetch forecast from wunderground."""
def __init__(self,
name_to_timeout_dict,
file_prefix):
super(weather_renderer, self).__init__(name_to_timeout_dict, False)
self.file_prefix = file_prefix
def debug_prefix(self):
return "weather(%s)" % (self.file_prefix)
def periodic_render(self, key):
return self.fetch_weather()
def describe_time(self, index):
if (index <= 1):
return "overnight"
elif (index <= 3):
return "morning"
elif (index <= 5):
return "afternoon"
else:
return "evening"
def describe_wind(self, mph):
if mph <= 0.3:
return "calm"
elif mph <= 5.0:
return "light"
elif mph < 15.0:
return "breezy"
elif mph <= 25.0:
return "gusty"
else:
return "heavy"
def describe_magnitude(self, mm):
if (mm < 2):
return "light"
elif (mm < 10):
return "moderate"
else:
return "heavy"
def describe_precip(self, rain, snow):
if rain == 0 and snow == 0:
return "no precipitation"
magnitude = rain + snow
if rain > 0 and snow > 0:
return "a %s mix of rain and snow" % self.describe_magnitude(magnitude)
elif rain > 0:
return "%s rain" % self.describe_magnitude(magnitude)
elif snow > 0:
return "%s snow" % self.describe_magnitude(magnitude)
def fix_caps(self, s):
r = ""
s = s.lower()
for x in s.split("."):
x = x.strip()
r += x.capitalize() + ". "
r = r.replace(". .", ".")
return r
def pick_icon(self, conditions, rain, snow):
# rain snow clouds sun
# fog.gif
# hazy.gif
# clear.gif
# mostlycloudy.gif F F 6+ X
# partlycloudy.gif F F 4+ 4-
# cloudy.gif
# partlysunny.gif F F X 5+
# mostlysunny.gif F F X 6+
# rain.gif T F X X
# sleet.gif T T X X
# flurries.gif F T X X (<1")
# snow.gif F T X X (else)
# sunny.gif F F X 7+
# tstorms.gif
seen_rain = False
seen_snow = False
cloud_count = 0
clear_count = 0
total_snow = 0
count = min(len(conditions), len(rain), len(snow))
for x in xrange(0, count):
seen_rain = rain[x] > 0;
seen_snow = snow[x] > 0;
total_snow += snow[x]
txt = conditions[x].lower()
if ("cloud" in txt):
cloud_count += 1
if ("clear" in txt or "sun" in txt):
clear_count += 1
if (seen_rain and seen_snow):
if (total_snow < 10):
return "sleet.gif"
else:
return "snow.gif"
if (seen_snow):
if (total_snow < 10):
return "flurries.gif"
else:
return "snow.gif"
if (seen_rain):
return "rain.gif"
if (cloud_count >= 6):
return "mostlycloudy.gif"
elif (cloud_count >= 4):
return "partlycloudy.gif"
if (clear_count >= 7):
return "sunny.gif"
elif (clear_count >= 6):
return "mostlysunny.gif"
elif (clear_count >= 4):
return "partlysunny.gif"
return "clear.gif"
def describe_weather(self,
high, low,
wind, conditions, rain, snow):
# High temp: 65
# Low temp: 44
# -onight------ -morning----- -afternoon-- -evening----
# 12a-3a 3a-6a 6a-9a 9a-12p 12p-3p 3p-6p 6p-9p 9p-12p
# Wind: [12.1 3.06 3.47 4.12 3.69 3.31 2.73 2.1]
# Conditions: [Clouds Clouds Clouds Clouds Clouds Clouds Clear Clear]
# Rain: [0.4 0.2 0 0 0 0 0 0]
# Snow: [0 0 0 0 0 0 0 0]
high = int(high)
low = int(low)
count = min(len(wind), len(conditions), len(rain), len(snow))
descr = ""
lcondition = ""
lwind = ""
lprecip = ""
ltime = ""
for x in xrange(0, count):
time = self.describe_time(x)
current = ""
chunks = 0
txt = conditions[x]
if txt == "Clouds":
txt = "cloudy"
elif txt == "Rain":
txt = "rainy"
if (txt != lcondition):
if txt != "Snow" and txt != "Rain":
current += txt
chunks += 1
lcondition = txt
txt = self.describe_wind(wind[x])
if (txt != lwind):
if (len(current) > 0):
current += " with "
current += txt + " winds"
lwind = txt
chunks += 1
txt = self.describe_precip(rain[x], snow[x])
if (txt != lprecip):
if (len(current) > 0):
if (chunks > 1):
current += " and "
else:
current += " with "
chunks += 1
current += txt
lprecip = txt
if (len(current)):
if (ltime != time):
if (random.randint(0, 3) == 0):
if (time != "overnight"):
descr += current + " in the " + time + ". "
descr += current + " overnight. "
else:
if (time != "overnight"):
descr += "In the "
descr += time + ", " + current + ". "
else:
current = current.replace("cloudy", "clouds")
descr += current + " developing. "
ltime = time
if (ltime == "overnight" or ltime == "morning"):
descr += "Conditions continuing the rest of the day. "
descr = descr.replace("with breezy winds", "and breezy")
descr = descr.replace("Clear developing", "Skies clearing")
descr = self.fix_caps(descr)
return descr
def fetch_weather(self):
if self.file_prefix == "stevens":
text_location = "Stevens Pass, WA"
param = "lat=47.74&lon=-121.08"
elif self.file_prefix == "telma":
text_location = "Telma, WA"
param = "lat=47.84&lon=-120.81"
else:
text_location = "Bellevue, WA"
param = "id=5786882"
www = urllib2.urlopen('http://api.openweathermap.org/data/2.5/forecast?%s&APPID=%s&units=imperial' % (
param, secrets.openweather_key))
response = www.read()
www.close()
parsed_json = json.loads(response)
# https://openweathermap.org/forecast5
# {"cod":"200",
# "message":0.0036,
# "cnt":40,
# "list":[
# {"dt":1485799200,
# "main":{"temp":261.45,"temp_min":259.086,"temp_max":261.45,"pressure":1023.48,"sea_level":1045.39,"grnd_level":1023.48,"humidity":79,"temp_kf":2.37},
# "weather":[
# {"id":800,"main":"Clear","description":"clear sky","icon":"02n"}
# ],
# "clouds":{"all":8},
# "wind":{"speed":4.77,"deg":232.505},
# "snow":{},
# "sys":{"pod":"n"},
# "dt_txt":"2017-01-30 18:00:00"
# },
# {"dt":1485810000,....
f = file_writer.file_writer('weather-%s_3_10800.html' % self.file_prefix)
f.write("""
Weather at %s:
""" % text_location)
count = parsed_json['cnt']
ts = {}
highs = {}
lows = {}
wind = {}
conditions = {}
rain = {}
snow = {}
for x in xrange(0, count):
data = parsed_json['list'][x]
dt = data['dt_txt'] # 2019-10-07 18:00:00
date = dt.split(" ")[0]
time = dt.split(" ")[1]
wind[date] = []
conditions[date] = []
highs[date] = -99999
lows[date] = +99999
rain[date] = []
snow[date] = []
ts[date] = 0
for x in xrange(0, count):
data = parsed_json['list'][x]
dt = data['dt_txt'] # 2019-10-07 18:00:00
date = dt.split(" ")[0]
time = dt.split(" ")[1]
_ = data['dt']
if (_ > ts[date]):
ts[date] = _
temp = data["main"]["temp"]
if (highs[date] < temp):
highs[date] = temp
if (temp < lows[date]):
lows[date] = temp
wind[date].append(data["wind"]["speed"])
conditions[date].append(data["weather"][0]["main"])
if "rain" in data and "3h" in data["rain"]:
rain[date].append(data["rain"]["3h"])
else:
rain[date].append(0)
if "snow" in data and "3h" in data["snow"]:
snow[date].append(data["snow"]["3h"])
else:
snow[date].append(0)
# {u'clouds': {u'all': 0},
# u'sys': {u'pod': u'd'},
# u'dt_txt': u'2019-10-09 21:00:00',
# u'weather': [
# {u'main': u'Clear',
# u'id': 800,
# u'icon': u'01d',
# u'description': u'clear sky'}
# ],
# u'dt': 1570654800,
# u'main': {
# u'temp_kf': 0,
# u'temp': 54.74,
# u'grnd_level': 1018.95,
# u'temp_max': 54.74,
# u'sea_level': 1026.46,
# u'humidity': 37,
# u'pressure': 1026.46,
# u'temp_min': 54.74
# },
# u'wind': {u'speed': 6.31, u'deg': 10.09}}
# Next 5 half-days
#for x in xrange(0, 5):
# fcast = parsed_json['forecast']['txt_forecast']['forecastday'][x]
# text = fcast['fcttext']
# text = re.subn(r' ([0-9]+)F', r' \1°F', text)[0]
# f.write('%s | ' % text)
#f.write('
')
#f.close()
#return True
#f.write("\n")
days_seen = {}
for date in sorted(highs.keys()):
today = datetime.fromtimestamp(ts[date])
formatted_date = today.strftime('%a %e %b')
if (formatted_date in days_seen):
continue;
days_seen[formatted_date] = True
num_days = len(days_seen.keys())
days_seen = {}
for date in sorted(highs.keys()):
precip = 0.0
for _ in rain[date]:
precip += _
for _ in snow[date]:
precip += _
today = datetime.fromtimestamp(ts[date])
formatted_date = today.strftime('%a %e %b')
if (formatted_date in days_seen):
continue;
days_seen[formatted_date] = True
f.write('\n' % (100 / num_days))
f.write('\n')
# Date
f.write(' ' + formatted_date + ' | \n')
# Icon
f.write(' | \n' %
self.pick_icon(conditions[date], rain[date], snow[date]))
# Low temp
color = "#000099"
if (lows[date] <= 32.5):
color = "#009999"
f.write(' %d°F | \n' % (
color, int(lows[date])))
# Total precip
precip *= 0.0393701
if (precip > 0.025):
f.write(' %3.1f" | \n' % precip)
else:
f.write(' | \n')
# High temp
color = "#800000"
if (highs[date] >= 80):
color = "#AA0000"
f.write(' %d°F | \n' % (
color, int(highs[date])))
# Text "description"
f.write('%s | \n' %
self.describe_weather(highs[date], lows[date], wind[date], conditions[date], rain[date], snow[date]))
f.write(' \n | \n')
f.write("
")
return True
#x = weather_renderer({"Stevens": 1000},
# "stevens")
#x.periodic_render("Stevens")