def _populate_for_dates(cls, date_begin: datetime.datetime,
date_end: datetime.datetime,
currency: AbstractCurrency):
""" Load list of currency rates from date_begin to date_end.
:param date_begin: first day of rates
:param date_end: last day of rates
:param currency: see :class Currency:
"""
raw_rates = get_dynamic_rates(date_req1=date_begin,
date_req2=date_end,
currency_id=currency.cbrf_id)
for rate in raw_rates:
with transaction.atomic():
try:
cls.objects.create(
currency=currency,
date=str_to_date(rate.attrib['Date']).date(),
value=Decimal(
rate.findtext('Value').replace(',', '.')))
except IntegrityError:
logger.warning(
"Rate {} for {} already in db. Skipped.".format(
currency.eng_name,
str_to_date(rate.attrib['Date'])))
return cls.objects.filter(currency=currency,
date__gte=date_begin,
date__lte=date_end)
def __init__(self, date_1: datetime.datetime, date_2: datetime.datetime,
id_code: str):
self._raw_dynamic_rates = get_dynamic_rates(date_req1=date_1,
date_req2=date_2,
currency_id=id_code)
self.date_1 = str_to_date(self._raw_dynamic_rates.attrib['DateRange1'])
self.date_2 = str_to_date(self._raw_dynamic_rates.attrib['DateRange2'])
self.id = self._raw_dynamic_rates.attrib['ID']
self.rates = list()
for rate in self._raw_dynamic_rates:
self.rates.append(DynamicCurrencyRecord(rate))
def __init__(
self, date_1: datetime.datetime, date_2: datetime.datetime, id_code: str
):
self._raw_dynamic_rates = get_dynamic_rates(
date_req1=date_1, date_req2=date_2, currency_id=id_code
)
self.date_1 = str_to_date(self._raw_dynamic_rates.attrib["DateRange1"])
self.date_2 = str_to_date(self._raw_dynamic_rates.attrib["DateRange2"])
self.id = self._raw_dynamic_rates.attrib["ID"]
self.rates = dict()
for rate in self._raw_dynamic_rates:
record = DynamicCurrencyRecord(rate)
self.rates[record.date] = record
def _populate_for_date(cls,
currency: AbstractCurrency,
date: datetime.datetime = None):
raw_rates = get_daily_rates(date)
record = [
rate for rate in raw_rates if rate.attrib['ID'] == currency.cbrf_id
]
if record:
actual_date = str_to_date(raw_rates.attrib['Date'])
rate = record[0]
with transaction.atomic():
try:
return cls.objects.create(
currency=currency,
date=actual_date.date(),
value=Decimal(
rate.findtext('Value').replace(',', '.')))
except IntegrityError:
logger.warning(
"Rate {} for {} already in db. Skipped.".format(
currency.eng_name, actual_date))
return
raise ValueError("Error in parameters")
def __init__(self, date: datetime.datetime = None, lang: str = 'rus'):
self._raw_daily_rates = get_daily_rates(date_req=date, lang=lang)
self.date = str_to_date(self._raw_daily_rates.attrib['Date'])
self.rates = list()
for rate in self._raw_daily_rates:
self.rates.append(DailyCurrencyRecord(rate))
def __init__(self, date: datetime.datetime = None, lang: str = "rus"):
self._raw_daily_rates = get_daily_rates(date_req=date, lang=lang)
self.date = str_to_date(self._raw_daily_rates.attrib["Date"])
self.rates = dict()
for rate in self._raw_daily_rates:
record = DailyCurrencyRecord(rate)
self.rates[record.id] = record
def _parse_dynamic_currency_record(self, elem: Element):
self.id = elem.attrib["Id"]
self.date = str_to_date(elem.attrib["Date"])
self.denomination = int(elem.findtext("Nominal"))
self.value = Decimal(elem.findtext("Value").replace(",", "."))
def _parse_dynamic_currency_record(self, elem: Element):
self.id = elem.attrib['Id']
self.date = str_to_date(elem.attrib['Date'])
self.denomination = int(elem.findtext('Nominal'))
self.value = Decimal(elem.findtext('Value').replace(',', '.'))