class CredentialedGirderTask(Task):
"""
Provide a task with a requests session via self.session, this is the default task.
This base task should always be used in conjunction with setting bind=True in order
to access the session.
"""
def __call__(self, *args, **kwargs):
"""
Create a token and configure a requests session object with it.
The child class overrides run, so __call__ must be used to hook in before a task
is executed.
"""
# TODO: Revoke token in post task signal
self.token = Token().createToken(
user=getAdminUser(),
days=1,
scope=[TokenScope.DATA_READ, TokenScope.DATA_WRITE])
self.session = BaseUrlSession(settings.ISIC_API_URL)
self.session.headers.update({'Girder-Token': str(self.token['_id'])})
retry = Retry(total=10,
read=10,
connect=10,
backoff_factor=.2,
method_whitelist=False,
status_forcelist=[500, 502, 503, 504])
adapter = HTTPAdapter(max_retries=retry)
self.session.mount('http://', adapter)
self.session.mount('https://', adapter) #
super(CredentialedGirderTask, self).__call__(*args, **kwargs)
def __init__(self, api_token: str, account_id: int) -> None:
self.account_id = account_id
# Rather than assigning directly to `self`, this is the recommended idiom so atexit.register behaves nicely with GC.
session = BaseUrlSession(
base_url=f"{self.api_domain}/{self.api_version}/{account_id}/")
session.auth = (api_token, "")
session.headers.update({"User-Agent": self.drip_py_ua})
session.mount(self.api_domain, GzipAdapter())
register(session.close)
self.session = session
def test_connection_keepalive(simple_wsgi_server):
"""Test the connection keepalive works (duh)."""
session = Session(base_url=simple_wsgi_server['url'])
pooled = requests.adapters.HTTPAdapter(
pool_connections=1, pool_maxsize=1000,
)
session.mount('http://', pooled)
def do_request():
with ExceptionTrap(requests.exceptions.ConnectionError) as trap:
resp = session.get('info')
resp.raise_for_status()
return bool(trap)
with ThreadPoolExecutor(max_workers=50) as pool:
tasks = [
pool.submit(do_request)
for n in range(1000)
]
failures = sum(task.result() for task in tasks)
assert not failures
class MyTurnCA:
"""Main API class"""
def __init__(self, api_key: str):
self.logger = logging.getLogger(__name__)
self.session = BaseUrlSession(base_url=MY_TURN_URL)
self.session.mount('https://', HTTPAdapter(max_retries=DEFAULT_RETRY_STRATEGY))
self.session.headers.update({**REQUEST_HEADERS, GOOD_BOT_HEADER: api_key})
self.vaccine_data = self._get_vaccine_data()
def _get_vaccine_data(self) -> str:
"""Retrieve initial vaccine data"""
response = self._send_request(url=ELIGIBILITY_URL, body=ELIGIBLE_REQUEST_BODY).json()
if response['eligible'] is False:
raise RuntimeError('something is wrong, default /eligibility body returned \'eligible\' = False')
return response['vaccineData']
def get_locations(self, latitude: float, longitude: float) -> List[Location]:
"""Gets available locations near the given coordinates"""
body = {
'location': {
'lat': latitude,
'lng': longitude
},
'fromDate': datetime.now(tz=pytz.timezone('US/Pacific')).strftime('%Y-%m-%d'),
'vaccineData': self.vaccine_data,
'locationQuery': {
'includePools': LOCATION_POOLS,
'excludeTags': [],
'includeTags': []
}
}
response = self._send_request(url=LOCATIONS_URL, body=body)
try:
return [Location(location_id=x['extId'], name=x['name'], address=x['displayAddress'], booking_type=x['type'],
vaccine_data=x['vaccineData'], distance=x['distanceInMeters'])
for x in response.json()['locations']]
except json.JSONDecodeError:
self.logger.error(JSON_DECODE_ERROR_MSG.format(body=response.text))
return []
def get_availability(self, location: Location, start_date: date, end_date: date) -> LocationAvailability:
"""Gets a given vaccination location's availability"""
body = {
'startDate': start_date.strftime('%Y-%m-%d'),
'endDate': end_date.strftime('%Y-%m-%d'),
'vaccineData': location.vaccine_data,
'doseNumber': 1
}
response = self._send_request(url=LOCATION_AVAILABILITY_URL.format(location_id=location.location_id), body=body)
try:
return LocationAvailability(location=location,
dates_available=[datetime.strptime(x['date'], '%Y-%m-%d').date()
for x in response.json()['availability'] if x['available'] is True])
except json.JSONDecodeError:
self.logger.error(JSON_DECODE_ERROR_MSG.format(body=response.text))
return LocationAvailability(location=location, dates_available=[])
def get_slots(self, location: Location, start_date: date) -> LocationAvailabilitySlots:
"""Gets a given location's available appointments"""
body = {
'vaccineData': location.vaccine_data
}
response = self._send_request(url=LOCATION_AVAILABILITY_SLOTS_URL.format(location_id=location.location_id,
start_date=start_date.strftime('%Y-%m-%d')),
body=body)
try:
return LocationAvailabilitySlots(location=location,
slots=[self._combine_date_and_time(start_date, x['localStartTime'])
for x in response.json()['slotsWithAvailability']
if self._combine_date_and_time(start_date, x['localStartTime']) > datetime.now(tz=pytz.timezone('US/Pacific'))])
except json.JSONDecodeError:
self.logger.error(JSON_DECODE_ERROR_MSG.format(body=response.text))
return LocationAvailabilitySlots(location=location, slots=[])
def get_appointments(self, latitude: float, longitude: float, start_date: date, end_date: date) -> List[LocationAvailabilitySlots]:
"""Retrieves available appointments from all vaccination locations near the given coordinates"""
locations = self.get_locations(latitude=latitude, longitude=longitude)
if not locations:
return []
if start_date > end_date:
raise ValueError('Provided start_date must be before end_date')
appointments = []
for location in locations:
days_available = self.get_availability(location=location, start_date=start_date, end_date=end_date).dates_available
if not days_available:
continue
location_appointments = [location_appointment for location_appointment in
[self.get_slots(location=location, start_date=day_available)
for day_available in days_available] if location_appointment.slots]
if not location_appointments:
continue
# combines appointments on different days for the same location
appointments.append(LocationAvailabilitySlots(location=location_appointments[0].location,
slots=functools.reduce(operator.add,
[location_appointment.slots for location_appointment in location_appointments])))
return appointments
@staticmethod
def _combine_date_and_time(start_date: date, timestamp: str) -> datetime:
"""Private helper function to combine a date and timestamp"""
return datetime.combine(start_date, datetime.strptime(timestamp, '%H:%M:%S').time(),
tzinfo=pytz.timezone('US/Pacific'))
def _send_request(self, url: str, body: dict) -> Response:
"""Private helper function to make HTTP POST requests"""
self.logger.info(f'sending request to {MY_TURN_URL}{url} with body - {body}')
response = self.session.post(url=url, json=body)
self.logger.info(f'got response from /{url} - {response.__dict__}')
return response
