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import re
import datetime
import feedparser
from app_utils import getTimezone
from semantic.dates import DateService
WORDS = ["WEATHER", "TODAY", "TOMORROW"]
def replaceAcronyms(text):
"""Replaces some commonly-used acronyms for an improved verbal weather report."""
def parseDirections(text):
words = {
'N': 'north',
'S': 'south',
'E': 'east',
'W': 'west',
}
output = [words[w] for w in list(text)]
return ' '.join(output)
acronyms = re.findall(r'\b([NESW]+)\b', text)
for w in acronyms:
text = text.replace(w, parseDirections(w))
text = re.sub(r'(\b\d+)F(\b)', '\g<1> Fahrenheit\g<2>', text)
text = re.sub(r'(\b)mph(\b)', '\g<1>miles per hour\g<2>', text)
text = re.sub(r'(\b)in\.', '\g<1>inches', text)
return text
def getForecast(profile):
return feedparser.parse("http://rss.wunderground.com/auto/rss_full/"
+ str(profile['location']))['entries']
def handle(text, mic, profile):
"""
Responds to user-input, typically speech text, with a summary of
the relevant weather for the requested date (typically, weather
information will not be available for days beyond tomorrow).
Arguments:
text -- user-input, typically transcribed speech
mic -- used to interact with the user (for both input and output)
profile -- contains information related to the user (e.g., phone number)
"""
if not profile['location']:
mic.say(
"I'm sorry, I can't seem to access that information. Please make sure that you've set your location on the dashboard.")
return
tz = getTimezone(profile)
service = DateService(tz=tz)
date = service.parseDay(text)
if not date:
date = datetime.datetime.now(tz=tz)
weekday = service.__daysOfWeek__[date.weekday()]
if date.weekday() == datetime.datetime.now(tz=tz).weekday():
date_keyword = "Today"
elif date.weekday() == (
datetime.datetime.now(tz=tz).weekday() + 1) % 7:
date_keyword = "Tomorrow"
else:
date_keyword = "On " + weekday
forecast = getForecast(profile)
output = None
for entry in forecast:
try:
date_desc = entry['title'].split()[0].strip().lower()
weather_desc = entry['summary'].split('-')[1]
if weekday == date_desc:
output = date_keyword + \
", the weather will be" + weather_desc + "."
break
except:
continue
if output:
output = replaceAcronyms(output)
mic.say(output)
else:
mic.say(
"I'm sorry. I can't see that far ahead.")
def isValid(text):
"""
Returns True if the text is related to the weather.
Arguments:
text -- user-input, typically transcribed speech
"""
return bool(re.search(r'\b(weathers?|temperature|forecast|outside|hot|cold|jacket|coat|rain)\b', text, re.IGNORECASE))
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