#!/usr/bin/env python3
+# © Copyright 2021-2022, Scott Gasch
+
+"""An amount of money (USD) represented as an integral count of
+cents."""
+
import re
-from typing import Optional, Tuple, TypeVar
+from typing import Optional, Tuple
import math_utils
a = round(a, 2)
s = f'{a:,.2f}'
if self.currency is not None:
- return '%s %s' % (s, self.currency)
+ return f'{s} {self.currency}'
else:
- return '$%s' % s
+ return f'${s}'
def __pos__(self):
return CentCount(centcount=self.centcount, currency=self.currency)
if isinstance(other, CentCount):
if self.currency == other.currency:
return CentCount(
- centcount=self.centcount + other.centcount, currency=self.currency
+ centcount=self.centcount + other.centcount,
+ currency=self.currency,
)
else:
raise TypeError('Incompatible currencies in add expression')
if isinstance(other, CentCount):
if self.currency == other.currency:
return CentCount(
- centcount=self.centcount - other.centcount, currency=self.currency
+ centcount=self.centcount - other.centcount,
+ currency=self.currency,
)
else:
raise TypeError('Incompatible currencies in add expression')
raise TypeError('can not multiply monetary quantities')
else:
return CentCount(
- centcount=int(self.centcount * float(other)), currency=self.currency
+ centcount=int(self.centcount * float(other)),
+ currency=self.currency,
)
def __truediv__(self, other):
if isinstance(other, CentCount):
if self.currency == other.currency:
return CentCount(
- centcount=other.centcount - self.centcount, currency=self.currency
+ centcount=other.centcount - self.centcount,
+ currency=self.currency,
)
else:
raise TypeError('Incompatible currencies in sub expression')
raise TypeError('In strict_mode only two moneys can be added')
else:
return CentCount(
- centcount=int(other) - self.centcount, currency=self.currency
+ centcount=int(other) - self.centcount,
+ currency=self.currency,
)
__rmul__ = __mul__
def __ge__(self, other):
return self > other or self == other
- def __hash__(self):
- return self.__repr__
+ def __hash__(self) -> int:
+ return hash(self.__repr__)
CENTCOUNT_RE = re.compile(r"^([+|-]?)(\d+)(\.\d+)$")
CURRENCY_RE = re.compile(r"^[A-Z][A-Z][A-Z]$")