def get_weather_current():
logger.debug("Received call to Current Weather controller from {0}".format(str(flask.request.remote_addr)))
weather = fetch_weather('weather')
try:
result = {
"city" : weather['name'],
"country" : weather['sys']['country'],
# Use ISO 8601 standard for representing datetime as string, instead of the unix timestamp returned by OpenWeatherAPI
# TODO: Handle case where API returns correct format, or different formats.
"time" : datetime.datetime.fromtimestamp(int(weather['dt'])).strftime('%Y-%m-%d %H:%M:%S'),
"weather" : weather['weather'],
"wind" : weather['wind'],
"cloudpercent" : weather['clouds']['all'],
"temp" : {
"current" : weather['main']['temp'],
"max" : weather['main']['temp_max'],
"min" : weather['main']['temp_min']
},
"sun" : {
"rise" : weather['sys']['sunrise'],
"set" : weather['sys']['sunset']
}
}
except KeyError as e:
logger.error("KeyError received on key {0}".format(e.message))
flask.abort(400, "KeyError received on key '{0}'. This probably happened because the structure of the API response is different than expected.".format(e.message))
return flask.jsonify(result)
def get_events():
logger.debug("Received call to Events controller from {0}".format(str(flask.request.remote_addr)))
calendar = fetch_calendar('events')
events = []
for event in calendar.walk('VEVENT'):
start_datetime = event['dtstart'].dt
end_datetime = event['dtend'].dt
try:
location = event['location']
except KeyError:
# For some reason, the Google Calendar API does not include the LOCATION key on certain calendars (e.g. Holidays), thus raising a KeyError
# when trying to retrieve the location from the calendar. So we must catch the error and assign the value an empty string if raised.
location = ""
# event['dtstart'].dt and event['dtend'].dt will return a date object and not a datetime object if the event is a full-day event.
# Since a date object does not have a date() method, calling date() on an all-day event will fail.
if isinstance(start_datetime, datetime.datetime):
start_date = start_datetime.date()
else:
start_date = start_datetime
if datetime.date.today() <= start_date:
events.append(
{ 'summary' : event['summary'],
'description' : event['description'],
'location' : location,
'start' : str(start_datetime),
'end' : str(end_datetime)})
logger.info("Calendar request succeeded and yielded {0} events".format(len(events)))
return flask.jsonify(results=events)
def fetch_weather(token):
logger.debug("Fetching weather data for token '{0}'".format(str(token)))
url = settings.get('mock', token) \
if settings.getboolean('app', 'debug') and settings.has_section('mock') \
else settings.get('weather', token)
logger.debug("WEATHER - URL fetched for weather data was '{0}'".format(str(url)))
if url.startswith('http'):
logger.debug("WEATHER - URL '{0}' has http, attempting http request".format(str(url)))
try:
weather = json.loads(requests.get(url).content)
except (requests.exceptions.missingSchema, ValueError) as e:
# json.loads throws ValueError on invalid json string
logger.error("Exception {0} caught while trying to fetch weather. Message: {1}".format(e.__class__, e.message))
flask.abort(400, e.message)
else:
logger.debug("WEATHER - URL '{0}' had no http, attempting to open file".format(str(url)))
try:
with open(url, 'rb') as f:
weather = json.load(f)
except IOError as e:
logger.error("Exception {0} caught while trying to fetch weather. Message: {1}".format(e.__class__, e.message))
flask.abort(500, e.message)
return weather
def fetch_calendar(token):
logger.debug("Fetching calendar data for token '{0}'".format(str(token)))
url = settings.get('mock', token) \
if settings.getboolean('app', 'debug') and settings.has_section('mock') \
else settings.get('calendar', token)
logger.debug("CALENDAR - URL fetched for calendar data was '{0}'".format(str(url)))
if url.startswith('http'):
logger.debug("CALENDAR - URL '{0}' has http, attempting http request".format(str(url)))
try:
calendar = icalendar.Calendar.from_ical(requests.get(url).content)
except (requests.exceptions.MissingSchema, ValueError) as e:
# icalendar throws ValueError on invalid ical format
logger.error("Exception {0} caught while trying to fetch calendar. Message: {1}".format(e.__class__, e.message))
flask.abort(400, e.message)
else:
logger.debug("CALENDAR - URL '{0}' had no http, attempting to open file".format(str(url)))
try:
with open(url, 'rb') as f:
calendar = icalendar.Calendar.from_ical(f.read())
except IOError as e:
logger.error("Exception {0} caught while trying to fetch calendar. Message: {1}".format(e.__class__, e.message))
flask.abort(500, e.message)
return calendar
def get_holidays():
logger.debug("Received call to Holidays controller from {0}".format(str(flask.request.remote_addr)))
if settings.getboolean('calendar', 'hide_holidays'):
return flask.jsonify(results=[])
calendar = fetch_calendar('holidays')
events = []
for event in calendar.walk('VEVENT'):
if datetime.date.today() <= event['dtstart'].dt:
events.append({ 'summary' : event['summary'],
'start' : str(event['dtstart'].dt),
'end' : str(event['dtend'].dt)})
logger.info("Holiday request succeeded and yielded {0} holidays".format(len(events)))
return flask.jsonify(results=events)
def index():
logger.debug("Received call to Index controller from {0}".format(str(flask.request.remote_addr)))
return flask.render_template('index.html')
