def update_weather(self, weather):
zip = int(self.config.location)
if not (1000 <= zip <= 9999):
raise ValueError("Invalid Swiss ZIP code")
date = datetime.utcnow()
app.log(f"Fetching weather data...")
for ix in range(60):
url = f"https://www.meteoschweiz.admin.ch/product/output/forecast-chart/version__{(date - timedelta(minutes=ix)).strftime('%Y%m%d_%H%M')}/de/{zip}00.json"
response = requests.get(url)
if response.status_code != 404:
break
else:
raise ValueError("No JSON data found within an hour")
response.raise_for_status()
data = response.json()
for key, instant, value in itertools.chain(
(('rain', dump_datetime(parse_datetime(hour[0])), hour[1])
for day in data for hour in day['rainfall']),
(('sun', dump_datetime(parse_datetime(hour[0])), hour[1] / 100)
for day in data for hour in day['sunshine']),
(('temperature', dump_datetime(parse_datetime(hour[0])), hour[1])
for day in data for hour in day['temperature']),
(('wind', dump_datetime(parse_datetime(hour[0])), hour[1])
for day in data for hour in day['wind']['data'])):
hour_weather = weather.get(instant)
if not hour_weather:
hour_weather = HourlyWeather()
weather[instant] = hour_weather
setattr(hour_weather, key, value)
def json(self, verbose=False):
result = {
'id': self.id,
'username': self.username,
'photo': self.photo,
'created_at': dump_datetime(self.created_at),
'updated_at': dump_datetime(self.updated_at),
}
if verbose:
result['questions'] = [q.json() for q in self.questions.all()]
return result
def json(self, verbose=False):
result = {
'major': self.major,
'minor': self.minor,
'name': self.name,
'speaker_name': self.speaker_name,
'photo': self.photo,
'start_date': dump_datetime(self.start_date),
'end_date': dump_datetime(self.end_date),
'type': self.type,
'id': self.id
}
if verbose:
result['created_at'] = dump_datetime(self.created_at)
result['updated_at'] = dump_datetime(self.updated_at)
return result
def serialize(self):
return {
'id': self.id,
'created': dump_datetime(self.created),
'url': app.config["PICTURE_URL"] + self.file_name,
'pet_id': self.pet_id,
'user_id': self.user_id
}
def serialize(self):
"""Return object data in easily serializeable format"""
return {
'games': self.games,
'last_login': dump_datetime(self.last_login),
'wins': self.wins,
'streak': self.streak,
'cash': self.cash
}
def json(self, verbose=False):
result = {
'id': self.id,
'text': self.text,
'room_id': self.room_id,
'user_id': self.user.json(),
'status': self.status,
'created_at': dump_datetime(self.created_at)
}
if verbose:
result['room_id'] = self.room.json()
return result
def serialize(self):
return {
'id': self.id,
'pet_name': self.name,
'last_seen_loc': db_session.scalar(self.last_seen_loc.wkt),
'search_polygon': db_session.scalar(self.search_polygon.wkt),
'last_seen_date': dump_datetime(self.last_seen_date),
'created': dump_datetime(self.created),
'user_id': self.user_id,
'age': self.age,
'vet': self.vet,
'fav_food': self.fav_food,
'known_words': self.known_words,
'house_broken': self.house_broken,
'approach': self.approach,
'personality': self.personality,
'last_seen_city': self.last_seen_city,
'last_seen_state': self.last_seen_date,
# This is an example how to deal with Many2Many relations
#'many2many': self.serialize_many2many
}
def __init__(self, point_type: Type[TPoint], query: Union[str, Dict[str, Any]]):
factory = get_factory(point_type)
props: List[str] = factory.__self__.get_props()
if isinstance(query, str):
query = literal_eval_checked(query, dict)
self.predicates = []
self.filter = {
'pointer_type': get_pointer_type(point_type),
'meta': {}
}
for key, value in query.items():
if key.startswith('!'):
negate = True
key = key[1:]
else:
negate = False
ismeta = (key in ('meta', 'id')) or (key not in props)
get = (lambda v, key=key: v['meta'][key]) if ismeta else (lambda v, key=key: v[key])
if isinstance(value, str):
# special date handling
match = PointQuery.__rxdate.fullmatch(value.strip())
if match:
date = parse_datetime(match.group(2))
if not match.group(1):
# exact date match, no local filtering required, but normalize the date format
value = dump_datetime(date)
else:
if match.group(1) == 'before':
op = operator.lt if not negate else operator.ge
else: # match.group(1) == 'after':
op = operator.gt if not negate else operator.le
self.predicates.append(lambda v, get=get, op=op, date=date: op(parse_datetime(get(v)), date))
continue
# special number handling
match = PointQuery.__rxnum.fullmatch(value.strip())
if match:
number = float(match.group(2))
if match.group(1) == 'least':
op = operator.ge if not negate else operator.lt
else: # match.group(1) == 'most':
op = operator.le if not negate else operator.gt
self.predicates.append(lambda v, get=get, op=op, number=number: op(float(get(v)), number))
continue
if negate:
self.predicates.append(lambda v, get=get, value=value: get(v) != value)
elif ismeta:
self.filter['meta'][key] = value
else:
self.filter[key] = value
if not self.filter['meta']:
del self.filter['meta']
device.log(f"Built remote filter {json.dumps(self.filter)} and {len(self.predicates)} local predicates", message_type='debug')
def execute(self):
"""
Refresh the weather data from the source and return it
"""
point = get_weather_point(self)
weather = deserialize(Dict[str, HourlyWeather], point.meta)
self.update_weather(weather)
limit = dump_datetime(
datetime.utcnow() -
timedelta(hours=(self.config.maxage_hours or 96) +
1)) # The dates are in a sortable format
for key in [key for key in weather if key <= limit
]: # clone keys since we're going to remove items
del weather[key]
point.meta = weather
app.log(f"Storing {len(weather)} hourly weather records...")
self.put_point(point)
def apply(self, updates: Dict[str, Any]):
for key, value in updates.items():
if isinstance(value, str):
offset = parse_offset(value)
if offset:
value = dump_datetime(utc_now() + offset)
if key.startswith("+"):
append = True
key = key[1:]
else:
append = False
ismeta = (key in ('meta', 'id')) or (key not in get_factory(type(self)).__self__.get_props())
data = self.meta if ismeta else self.__dict__
if append:
data[key] += value
elif value is None and ismeta:
del data[key]
else:
data[key] = value
device.log(f"Applied data update to point: {json.dumps(self)}", "debug")