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Don't bother memoizing ISO data yet.

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This commit is contained in:
Chris Berkhout 2021-05-24 20:49:50 +02:00
parent 45a1e1b0df
commit d26ba68f2c
1 changed files with 9 additions and 22 deletions
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31
src/pricehist/isocurrencies.py
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@ -41,39 +41,24 @@ class ISOCurrency:
def current_data_date(): def current_data_date():
if not _current_data_date: one = etree.fromstring(read_binary("pricehist.resources", "list_one.xml"))
_readall() return one.cssselect("ISO_4217")[0].attrib["Pblshd"]
return _current_data_date
def historical_data_date(): def historical_data_date():
if not _historical_data_date: three = etree.fromstring(read_binary("pricehist.resources", "list_three.xml"))
_readall() return three.cssselect("ISO_4217")[0].attrib["Pblshd"]
return _historical_data_date
def bycode(): def bycode():
if not _bycode: result = {}
_readall()
return _bycode
_current_data_date = None
_historical_data_date = None
_bycode = {}
def _readall():
one = etree.fromstring(read_binary("pricehist.resources", "list_one.xml")) one = etree.fromstring(read_binary("pricehist.resources", "list_one.xml"))
three = etree.fromstring(read_binary("pricehist.resources", "list_three.xml")) three = etree.fromstring(read_binary("pricehist.resources", "list_three.xml"))
_current_data_date = one.cssselect("ISO_4217")[0].attrib["Pblshd"]
_historical_data_date = three.cssselect("ISO_4217")[0].attrib["Pblshd"]
(_current_data_date, _historical_data_date) # No-op
for entry in three.cssselect("HstrcCcyNtry") + one.cssselect("CcyNtry"): for entry in three.cssselect("HstrcCcyNtry") + one.cssselect("CcyNtry"):
if currency := _parse(entry): if currency := _parse(entry):
if existing := _bycode.get(currency.code): if existing := result.get(currency.code):
existing.code = currency.code existing.code = currency.code
existing.number = currency.number existing.number = currency.number
existing.minor_units = currency.minor_units existing.minor_units = currency.minor_units
@ -83,7 +68,9 @@ def _readall():
existing.historical = currency.historical existing.historical = currency.historical
existing.withdrawal_date = currency.withdrawal_date existing.withdrawal_date = currency.withdrawal_date
else: else:
_bycode[currency.code] = currency result[currency.code] = currency
return result
def _parse(entry): def _parse(entry):