def test_number_serialize(self):
"""
NumberAttribute.serialize
"""
attr = NumberAttribute()
self.assertEqual(attr.serialize(3.141), '3.141')
self.assertEqual(attr.serialize(1), '1')
def test_number_deserialize(self):
"""
NumberAttribute.deserialize
"""
attr = NumberAttribute()
self.assertEqual(attr.deserialize('1'), 1)
self.assertEqual(attr.deserialize('3.141'), 3.141)
def test_number_deserialize(self):
"""
NumberAttribute.deserialize
"""
attr = NumberAttribute()
assert attr.deserialize('1') == 1
assert attr.deserialize('3.141') == 3.141
assert attr.deserialize('12345678909876543211234234324234') == 12345678909876543211234234324234
def test_number_serialize(self):
"""
NumberAttribute.serialize
"""
attr = NumberAttribute()
assert attr.serialize(3.141) == '3.141'
assert attr.serialize(1) == '1'
assert attr.serialize(12345678909876543211234234324234) == '12345678909876543211234234324234'
class MeasuredDuration(Model):
class Meta:
table_name = 'aws-scheduler-testing'
id = UnicodeAttribute(hash_key=True)
delay = NumberAttribute()
class Product(Model):
class Meta:
table_name = "product"
region = 'ap-northeast-2'
id = UnicodeAttribute(hash_key=True)
do_crawl = BooleanAttribute(default=False)
created_at = UnicodeAttribute()
last_crawled_at = UTCDateTimeAttribute(null=True)
min_price = NumberAttribute(default=0) # min_price 가격 이상인 결과만 사용
queries = ListAttribute(of=ShoppingQuery)
lprice = NumberAttribute(null=True) # 현재까지 최저 가격
lprice_item = MapAttribute(null=True) # 최저가격의 item 정보
def update_lprice(self, lprice_item):
self.last_crawled_at = datetime.datetime.utcnow()
if lprice_item:
self.lprice_item = lprice_item
self.lprice = int(lprice_item['lprice'])
record = PriceRecord(self.id, self.last_crawled_at)
record.item = lprice_item
record.save()
return self.save()
def update_last_crawled_at(self):
self.last_crawled_at = datetime.datetime.utcnow()
return self.save()
def search_lowest_price(self):
# 최저가를 찾고, 최저가 발견시 알림
min_price_criterion = self.min_price
lprice = self.lprice or 100000000
lprice_item = None
try:
for q in self.queries:
api = naver_shopping_api.format(quote(q.query), q.display
or DEFAULT_DISPLAY, q.sort
or DEFAULT_SORT)
api_response = requests.get(api, headers=naver_api_header)
if api_response.status_code == 200:
response_json = api_response.json()
if not response_json.get('total', 0):
# TODO: no item warning noti
pass
for item in response_json.get('items', {}):
item_lprice = int(item['lprice'])
if min_price_criterion <= item_lprice < lprice:
lprice = item_lprice
lprice_item = item
lprice_item['query'] = q.attribute_values
else:
error_message = {
'message': 'Naver API Error for {}'.format(self.id),
'status_code': api_response.status_code,
'text': api_response.text,
'api': api,
'query': q.attribute_values
}
send_slack_notification(
build_naver_warning_slack_message(error_message))
except Exception as e:
error_message = {
'message': 'Exception occurs by {}'.format(self.id),
'exception': e,
'traceback': traceback.format_exc()
}
send_slack_notification(build_error_slack_message(error_message))
self.update_lprice(lprice_item)
if lprice_item:
# print(build_normal_slack_message(self))
status_code = send_slack_notification(
build_normal_slack_message(self))
return lprice_item
class CustomAttrMap(MapAttribute):
overridden_number_attr = NumberAttribute(attr_name="number_attr")
overridden_unicode_attr = UnicodeAttribute(attr_name="unicode_attr")
class SubModel(Model):
key = NumberAttribute(hash_key=True)
sub_map = SubMapAttribute(attr_name='dyn_sub_map')
class MyModel(Model):
class Meta:
table_name = 'some-table'
notmyid = UnicodeAttribute(null=True)
myid = NumberAttribute(hash_key=True)
class DifferentRegion(Model):
class Meta:
region = 'us-east-2'
table_name = 'different-region'
entry_index = NumberAttribute(hash_key=True)
class SomeModel(Model):
key = NumberAttribute(hash_key=True)
typed_map = TypedMap()
def test_should_number_convert_int():
assert_attribute_conversion(NumberAttribute(), graphene.Int)
class User(Model):
class Meta:
region = 'us-east-1'
table_name = 'user'
user_id = NumberAttribute(hash_key=True)
class Position(MapAttribute):
lat = NumberAttribute(null=False)
lng = NumberAttribute(null=False)
class PetLocation(MapAttribute):
position = Position(null=False)
at = NumberAttribute(null=False,
default=lambda: datetime.timestamp(datetime.now()))
class Zone(MapAttribute):
position = Position(null=False)
radius = NumberAttribute(null=False)
class FoodAttribute(MapAttribute):
food_name = UnicodeAttribute(null=False)
food_calorie = NumberAttribute(null=False)
class CoordinateMap(MapAttribute):
lat = NumberAttribute()
lon = NumberAttribute()
class MotionAttribute(MapAttribute):
motion_name = UnicodeAttribute(null=False)
motion_calorie = NumberAttribute(null=False)
class ResourceUpdatedAtIndex(LocalSecondaryIndex):
class Meta:
projection = AllProjection()
site = UnicodeAttribute(hash_key=True)
updated_at = NumberAttribute(range_key=True)
class ThingModel(Model):
key = NumberAttribute(hash_key=True)
nested = NestedThing()
class Location(MapAttribute):
lat = NumberAttribute(null=False)
lon = NumberAttribute(null=False)
class MyModel(Model):
key = NumberAttribute(hash_key=True)
outer_map = OuterMapAttribute(attr_name='dyn_out_map')
class Note(MapAttribute):
content = UnicodeAttribute(null=True)
created_at = NumberAttribute(attr_name="createdAt",
default=int(datetime.now().strftime("%s")))
created_by = UnicodeAttribute(attr_name="createdBy")
class ShoppingQuery(MapAttribute):
# ref: https://developers.naver.com/docs/search/shopping/
query = UnicodeAttribute()
display = NumberAttribute(default=50)
sort = UnicodeAttribute(default='sim')
class TwitchVod(Model):
"""A Twitch VOD link associated with a replay and mapped to a DynamoDB table"""
twitch_channel_name = UnicodeAttribute(
hash_key=True) # The name of the Twitch channel
friendly_player_name = UnicodeAttribute(
) # The BattleTag for the friendly player
hsreplaynet_user_id = NumberAttribute(
) # The HSReplay.net user id of the uploader
replay_shortid = UnicodeAttribute() # The replay's shortid
rank = NumberAttribute() # The friendly player's rank
# The friendly player's legend rank, when normal rank is 0, NULL otherwise
legend_rank = NumberAttribute(null=True)
# A synthetic key composing legend and normal rank to use as a DynamoDB range key
combined_rank = UnicodeAttribute(range_key=True)
won = BooleanAttribute(
) # True if the friendly player won the game, else False
went_first = BooleanAttribute(
) # True if the friendly player went first, else False
game_date = NumberAttribute(
) # The epoch second timestamp of the match start
game_length_seconds = NumberAttribute(
) # The duration of the game in seconds
format_type = UnicodeAttribute(
) # The format of the game (as a FormatType enum name)
game_type = UnicodeAttribute(
) # The game type (as a BnetGameType enum name)
# The full, canonicalized deck string for the friendly player
friendly_player_canonical_deck_string = UnicodeAttribute()
# The archetype id for the friendly player's deck, if available, else NULL
friendly_player_archetype_id = NumberAttribute(null=True)
# The player class of the opposing player (as a CardClass enum name)
opposing_player_class = UnicodeAttribute()
# The archetype id for the opposing player's deck, if available, else NULL
opposing_player_archetype_id = NumberAttribute(null=True)
url = UnicodeAttribute() # The URL of the VOD on Twitch
archetype_index = TwitchVodArchetypeIndex()
deck_index = TwitchVodDeckStringIndex()
user_id_index = TwitchVodUserIdIndex()
# The TTL, in epoch seconds. DynamoDB must be told to use this attribute as the row TTL;
# see https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/TTL.html
ttl = NumberAttribute()
class Meta:
table_name = settings.DYNAMODB_TABLES["twitch_vod"]["NAME"]
host = settings.DYNAMODB_TABLES["twitch_vod"]["HOST"]
if hasattr(settings, "AWS_CREDENTIALS"):
aws_access_key_id = settings.AWS_CREDENTIALS["AWS_ACCESS_KEY_ID"]
aws_secret_access_key = settings.AWS_CREDENTIALS[
"AWS_SECRET_ACCESS_KEY"]
read_capacity_units = 2
write_capacity_units = 5
ttl_days = 14
def __eq__(self, other):
"""Overrides the default implementation"""
if isinstance(other, TwitchVod):
return self.__dict__ == other.__dict__
return NotImplemented
def __init__(self, *args, ttl=None, **kwargs):
effective_ttl = ttl \
if ttl else int(time.time() + TwitchVod.Meta.ttl_days * 24 * 60 * 60)
super().__init__(*args, ttl=effective_ttl, **kwargs)
class Beverage(Model):
class Meta:
table_name = 'Cellar'
region = Config.AWS_REGION
if local: # Use the local DynamoDB instance when running locally
host = 'http://localhost:8008'
# Primary Attributes
# `beverage_id`: Concat of producer, beverage name, year, size, and {batch or bottle date}.
beverage_id = UnicodeAttribute(hash_key=True)
# Required Attributes
producer = UnicodeAttribute()
name = UnicodeAttribute()
year = NumberAttribute()
size = UnicodeAttribute()
location = UnicodeAttribute(range_key=True)
batch = NumberAttribute(null=True)
bottle_date = UnicodeAttribute(null=True)
# Optional Attributes
qty = NumberAttribute(null=True, default=0)
qty_cold = NumberAttribute(null=True, default=0)
style = UnicodeAttribute(null=True)
specific_style = UnicodeAttribute(null=True)
for_trade = BooleanAttribute(null=True, default=True)
trade_value = NumberAttribute(null=True, default=0)
aging_potential = NumberAttribute(null=True, default=2)
untappd = UnicodeAttribute(null=True)
note = UnicodeAttribute(null=True)
# date_added should always be <= last_modified
date_added = UTCDateTimeAttribute(default=datetime.utcnow())
last_modified = UTCDateTimeAttribute(default=datetime.utcnow())
def to_dict(self, dates_as_epoch=True) -> dict:
"""
Return a dictionary with all attributes.
Dates return as epoch (default) or in ISO format.
"""
output = {
"beverage_id":
self.beverage_id.__str__(),
"name":
self.name.__str__(),
"producer":
self.producer.__str__(),
"year":
int(self.year),
"batch":
int(self.batch) if self.batch else None,
"size":
self.size.__str__(),
"bottle_date":
self.bottle_date.__str__() if self.bottle_date else None,
"location":
self.location.__str__(),
"style":
self.style.__str__() if self.style else None,
"specific_style":
self.specific_style.__str__() if self.specific_style else None,
"qty":
int(self.qty) if self.qty else 0,
"qty_cold":
int(self.qty_cold) if self.qty_cold else 0,
"untappd":
self.untappd.__str__() if self.untappd else None,
"aging_potential":
int(self.aging_potential) if self.aging_potential else None,
"trade_value":
int(self.trade_value) if self.trade_value else None,
"for_trade":
self.for_trade,
"note":
self.note.__str__() if self.note else None,
"date_added":
self.date_added.timestamp() * 1000, # JS timestamps are in ms
"last_modified":
self.last_modified.timestamp() * 1000
}
if not dates_as_epoch:
output['date_added'] = self.date_added.__str__()
output['last_modified'] = self.last_modified.__str__()
return output
def __init__(self, **kwargs):
super().__init__(**kwargs)
# logger.debug(f"Initializing a new instance of the Beverage model for {kwargs}.")
# Replace empty strings with None
# Construct the concatenated beverage_id when not provided:
# producer, beverage name, year, size, {bottle date or batch}. Bottle date preferred.
if 'beverage_id' not in kwargs.keys():
# Need to create a beverage_id for this beverage
self.beverage_id = f"{kwargs['producer']}_{kwargs['name']}_{kwargs['year']}_{kwargs['size']}"
if 'batch' in kwargs.keys() and 'bottle_date' in kwargs.keys():
# If both bottle_date and batch are provided, prefer bottle_date
self.beverage_id += f"_{kwargs['bottle_date']}"
elif 'batch' not in kwargs.keys() or kwargs['batch'] == '':
# Batch is not provided
self.batch = None
if 'bottle_date' not in kwargs.keys(
) or kwargs['bottle_date'] == '':
# When no batch or bottle_date is provided, append "_None"
self.beverage_id += "_None"
self.bottle_date = None
else:
# Bottle_date is provided
self.beverage_id += f"_{kwargs['bottle_date']}"
else:
# Use batch when bottle_date isn't provided
self.beverage_id += f"_{kwargs['batch']}"
logger.debug(
f"Created a beverage_id for this new Beverage: {self.beverage_id}."
)
# Must provide a location
if 'location' not in kwargs.keys() or kwargs['location'] is None:
logger.debug(f"No value for location provided, raising KeyError.")
raise KeyError("Location is required.")
# Type check: Year
try:
self.year = int(kwargs['year'])
except ValueError as e:
logger.debug(f"Year must be an integer.\n{e}")
raise ValueError(f"Year must be an integer.\n{e}")
# Type check: Batch
if 'batch' in kwargs.keys():
try:
if self.batch and self.batch != "":
self.batch = int(kwargs['batch'])
if self.batch == "":
self.batch = None
except ValueError as e:
logger.debug(f"Batch number must be an integer.\n{e}")
raise ValueError(f"Batch number must be an integer.\n{e}")
# Type check: qty
if 'qty' in kwargs.keys():
try:
self.qty = int(kwargs['qty'])
except ValueError as e:
logger.debug(f"Qty must be an integer.\n{e}")
raise ValueError(f"Qty must be an integer.\n{e}")
# Type check: qty_cold
if 'qty_cold' in kwargs.keys():
try:
self.qty_cold = int(kwargs['qty_cold'])
except ValueError as e:
logger.debug(f"Qty_cold must be an integer.\n{e}")
raise ValueError(f"Qty_cold must be an integer.\n{e}")
# Adjust last_modified due to JS working in milliseconds
if 'last_modified' in kwargs.keys():
# Accept an epoch (`float` or `int`) for date_added
if isinstance(self.last_modified, (float, int)):
self.last_modified = datetime.utcfromtimestamp(
kwargs['last_modified'] / 1000)
else:
# Assume a string was provided and parse a datetime object from that
try:
self.last_modified = datetime.fromisoformat(
str(self.last_modified))
except (TypeError, ValueError) as e:
logger.debug(
f"Provided value for last_modified: {self.last_modified}, "
f"{type(self.last_modified)} cannot be converted to datetime."
)
raise ValueError(
f"Value for last_modified must be an epoch (float/int) or "
f"an ISO-formatted string. {e}")
else:
self.last_modified = datetime.utcnow()
# Type & value checks for date_added
if 'date_added' in kwargs.keys():
# Accept an epoch (`float` or `int`) for date_added
if isinstance(self.date_added, (float, int)):
self.date_added = datetime.utcfromtimestamp(
kwargs['date_added'] / 1000)
else:
# Assume a string was provided and parse a datetime object from that
try:
self.date_added = datetime.fromisoformat(
str(self.date_added))
except (TypeError, ValueError) as e:
logger.debug(
f"Provided value for date_added: {self.date_added}, "
f"{type(self.date_added)} cannot be converted to datetime."
)
raise ValueError(
f"Value for date_added must be an epoch (float/int) or "
f"an iso-formatted string. {e}")
# Ensure date_added is always <= last_modified
if self.date_added > self.last_modified:
self.last_modified = self.date_added
# else:
# When date_added is not provided
# self.date_added = self.last_modified or datetime.utcnow()
def __repr__(self) -> str:
return f'<Beverage | beverage_id: {self.beverage_id}, qty: {self.qty} ({self.qty_cold}),' \
f' location: {self.location}>'
class InboundResponse(MapAttribute):
body = UnicodeAttribute()
headers = ListAttribute(of=HeaderAttribute)
status = NumberAttribute()
class CustomMapAttribute(MapAttribute):
custom = NumberAttribute()
def __eq__(self, other):
return self.custom == other.custom
class OAuthToken(Model):
"""
Stores token data from some OAuth provider
"""
ALIVE = ALIVE
DEAD = DEAD
access_token = UnicodeAttribute(hash_key=True)
refresh_token = UnicodeAttribute(null=True)
token_type = UnicodeAttribute(null=True)
# Consistency would be too easy
expires_in = NumberAttribute(null=True)
expires_at = NumberAttribute(null=True)
scope = UnicodeAttribute(null=True)
user_info = JSONAttribute(null=True)
state_index = TokensByState()
state = UnicodeAttribute(default=ALIVE)
updated_at = UTCDateTimeAttribute()
created_at = UTCDateTimeAttribute(range_key=True)
ttl = TTLAttribute(null=True)
def save(self, *args, **kwargs):
timestamp = timezone.now()
if not self.created_at:
self.created_at = timestamp
self.updated_at = timestamp
super().save(*args, **kwargs)
def update(self, *args, **kwargs):
self.updated_at = timezone.now()
super().save(*args, **kwargs)
def set_updated_at(self, *args, **kwargs):
self.updated_at = timezone.now()
def set_expiration(self):
self.ttl = datetime.timedelta(days=30)
@property
def session_data(self):
return dict(
access_token=self.access_token,
token_type=self.token_type,
refresh_token=self.refresh_token,
expires_at=self.expires_at,
expires_in=self.expires_in,
)
@classmethod
def create_if_non_existent(cls):
if not cls.exists():
cls.create_table(read_capacity_units=1, write_capacity_units=1, wait=True)
class Meta:
table_name = settings.OAUTH_TOKEN_TABLE_NAME
region = settings.AWS_REGION
class OccurrenceDetail(MapAttribute):
occurrence_num = NumberAttribute()
start_date = DateAttribute()
end_date = DateAttribute()
class ViewIndex(GlobalSecondaryIndex):
class Meta:
projection = AllProjection()
region = CURRENT_REGION
view = NumberAttribute(default=0, hash_key=True)
class CurrentHistoricalModel(object):
eventTime = EventTimeAttribute(default=default_event_time)
ttl = NumberAttribute(default=default_ttl())
eventSource = UnicodeAttribute()
class HistoricalDecimalAttribute(Attribute):
"""
A number attribute
"""
attr_type = NUMBER
def serialize(self, value):
"""
Encode numbers as JSON
"""
return json.dumps(value, default=decimal_default)
def deserialize(self, value):
"""
Decode numbers from JSON
"""
return json.loads(value)
pynamodb.attributes.SERIALIZE_CLASS_MAP = {
dict: MapAttribute(),
list: ListAttribute(),
set: ListAttribute(),
bool: BooleanAttribute(),
float: NumberAttribute(),
int: NumberAttribute(),
str: HistoricalUnicodeAttribute(),
decimal.Decimal: HistoricalDecimalAttribute()
}
