rmb_lower.py
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import re
class RMBHandler:
def __init__(self):
self.num_mapping = {
'零': 0,
'壹': 1,
'贰': 2,
'叁': 3,
'肆': 4,
'伍': 5,
'陆': 6,
'柒': 7,
'捌': 8,
'玖': 9
}
self.unit_mapping = {
'厘': (0, 0.001),
'分': (1, 0.01),
'角': (2, 0.1),
'圆': (3, 1),
'拾': (4, 10),
'佰': (5, 100),
'仟': (6, 1000),
'万': (7, 10000),
'亿': (8, 100000000)
}
def upper_to_lower(self, price):
result = 0
last_unit_idx = 0
num = 0
for idx, c in enumerate(price):
if c in self.num_mapping:
num = self.num_mapping.get(c)
else:
if idx == 0:
num = 1
unit_idx, unit = self.unit_mapping.get(c, (0, 0))
if unit_idx > last_unit_idx:
result = (result + num) * unit
else:
result = result + (num * unit)
last_unit_idx = unit_idx
num = 0
return result
def pre_process(self, price, upper=True):
if upper:
for idx, c in enumerate(price):
if c in self.num_mapping or c in self.unit_mapping:
head = idx
break
else:
return None
for idx in range(len(price)-1, -1, -1):
if price[idx] in self.num_mapping or price[idx] in self.unit_mapping:
tail = idx + 1
break
else:
return None
return price[head: tail]
else:
pass
def to_rmb_lower(self, price):
try:
if re.search(r'[\d]', price) is None:
price = self.pre_process(price)
if not price:
return None
result = self.upper_to_lower(price)
if result is not None:
result = float(round(result, 3))
return result
else:
re_obj = re.search(r'(\d+\.?\d*)([万亿]?)', price)
digit = float(re_obj.group(1))
unit = re_obj.group(2)
if unit in self.unit_mapping:
digit = digit * self.unit_mapping[unit][1]
return digit
except Exception as e:
return None
rmb_handler = RMBHandler()
if __name__ == '__main__':
test_2 = ['壹万伍仟肆佰壹拾圆叁角伍分肆厘', '捌万陆仟肆佰壹拾圆整', '壹万伍仟肆佰壹拾元贰角捌分肆厘', '拾壹亿壹仟万伍仟肆佰壹拾元贰角捌分肆厘', '拾伍万圆']
test_1 = ['sfdds', '柒佰玖拾万元整', '100万元整', '人民币伍佰万圆整', '人民币壹仟万元', '100万元', '贰佰壹拾捌万圆整', '（人民币）壹仟万元', '壹佰壹拾万圆整', '人民币30.0000万元整', '伍拾万元人民币', '200万']
input_list = test_1
for i in input_list:
print('{0}={1}'.format(i, rmb_handler.to_rmb_lower(i)))