69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
import re
|
|
import inflect
|
|
|
|
_inflect = inflect.engine()
|
|
_comma_number_re = re.compile(r"([0-9][0-9\,]+[0-9])")
|
|
_decimal_number_re = re.compile(r"([0-9]+\.[0-9]+)")
|
|
_pounds_re = re.compile(r"£([0-9\,]*[0-9]+)")
|
|
_dollars_re = re.compile(r"\$([0-9\.\,]*[0-9]+)")
|
|
_ordinal_re = re.compile(r"[0-9]+(st|nd|rd|th)")
|
|
_number_re = re.compile(r"[0-9]+")
|
|
|
|
|
|
def _remove_commas(m):
|
|
return m.group(1).replace(",", "")
|
|
|
|
|
|
def _expand_decimal_point(m):
|
|
return m.group(1).replace(".", " point ")
|
|
|
|
|
|
def _expand_dollars(m):
|
|
match = m.group(1)
|
|
parts = match.split(".")
|
|
if len(parts) > 2:
|
|
return match + " dollars" # Unexpected format
|
|
dollars = int(parts[0]) if parts[0] else 0
|
|
cents = int(parts[1]) if len(parts) > 1 and parts[1] else 0
|
|
if dollars and cents:
|
|
dollar_unit = "dollar" if dollars == 1 else "dollars"
|
|
cent_unit = "cent" if cents == 1 else "cents"
|
|
return "%s %s, %s %s" % (dollars, dollar_unit, cents, cent_unit)
|
|
elif dollars:
|
|
dollar_unit = "dollar" if dollars == 1 else "dollars"
|
|
return "%s %s" % (dollars, dollar_unit)
|
|
elif cents:
|
|
cent_unit = "cent" if cents == 1 else "cents"
|
|
return "%s %s" % (cents, cent_unit)
|
|
else:
|
|
return "zero dollars"
|
|
|
|
|
|
def _expand_ordinal(m):
|
|
return _inflect.number_to_words(m.group(0))
|
|
|
|
|
|
def _expand_number(m):
|
|
num = int(m.group(0))
|
|
if num > 1000 and num < 3000:
|
|
if num == 2000:
|
|
return "two thousand"
|
|
elif num > 2000 and num < 2010:
|
|
return "two thousand " + _inflect.number_to_words(num % 100)
|
|
elif num % 100 == 0:
|
|
return _inflect.number_to_words(num // 100) + " hundred"
|
|
else:
|
|
return _inflect.number_to_words(num, andword="", zero="oh", group=2).replace(", ", " ")
|
|
else:
|
|
return _inflect.number_to_words(num, andword="")
|
|
|
|
|
|
def normalize_numbers(text):
|
|
text = re.sub(_comma_number_re, _remove_commas, text)
|
|
text = re.sub(_pounds_re, r"\1 pounds", text)
|
|
text = re.sub(_dollars_re, _expand_dollars, text)
|
|
text = re.sub(_decimal_number_re, _expand_decimal_point, text)
|
|
text = re.sub(_ordinal_re, _expand_ordinal, text)
|
|
text = re.sub(_number_re, _expand_number, text)
|
|
return text
|