@@ -123,17 +123,17 @@ class Configuration:
"If you omit the year or month, it fills in the current year/month."
)
hist_parser.add_argument(
'word1', nargs='?', metavar='first code',
help="Convert or show rates from this currency, in three-letter code format. "
"If not specified, show all rates on the given date.",
'word1', nargs='?', metavar='amount',
help="Convert this amount of currency. If not specified, show rates.",
'word2', nargs='?', metavar='amount',
'word2', nargs='?', metavar='first code',
'word3', nargs='?', metavar='second code',
help="Convert to this currency, in three-letter code format. "
help="Convert or show rates to this currency, in three-letter code format. "
"If not specified, defaults to the base currency.",
hist_parser.add_argument('word4', nargs='?', help=argparse.SUPPRESS)
@@ -184,21 +184,25 @@ class Configuration:
currency_list, convert_fallback=True)
self._read_from_conffile('ledger', 'Historical', False, getter='getboolean')
self.args.to_currency = self.args.base
if self.args.word4 and (self.args.word3.lower() in self.PREPOSITIONS):
self.args.word3 = self.args.word4
if self.args.word1 is None:
raw_words = iter(getattr(self.args, 'word' + c) for c in '1234')
words = iter(word for word in raw_words if word is not None)
try:
next_word = next(words)
self.args.amount = decimal.Decimal(next_word)
except decimal.InvalidOperation:
pass
else:
# If an amount was given, a currency code must be given too.
# If it wasn't, set a value that can't be parsed as a currency.
next_word = next(words, 'none given')
self.args.from_currency = self._convert_or_error(currency_code, next_word)
if next_word.lower() in self.PREPOSITIONS:
next_word = next(words, next_word)
self.args.to_currency = self._convert_or_error(currency_code, next_word)
except StopIteration:
elif self.args.word2 is None:
self.args.from_currency = self._convert_or_error(
currency_code, self.args.word1)
self.args.amount = self._convert_or_error(
decimal.Decimal, self.args.word1)
currency_code, self.args.word2)
if self.args.word3 is not None:
self.args.to_currency = self._convert_or_error(
currency_code, self.args.word3 or self.args.base)
def _build_cache_loader(self):
kwargs = dict(self.conffile.items('Cache'))