如何将欧元货币字符串转换为浮点数? [英] How to convert Euro currency string to float number?
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问题描述
我需要将欧洲大陆格式的字符串货币字符串转换为浮点数:
I need to convert a string currency string in Continental Europe format into a float number:
输入:
'6.150.593,22 €'
意识到小数点是逗号,千位分隔符是句点字符.
Realize that decimal point is comma, and thousands separators are period characters.
输出:
6150593.22
我会阅读以下问题,但它们仅适用于美元货币和语言环境:
I'd read these questions, but they only works for US dollar currency and locale:
- How do I convert a currency string to a floating point number in Python?
- python: how to convert currency to decimal?
currency_euros='6.150.593,22 €'
float(currency_euros[:-2])
Traceback (most recent call last):
File "<pyshell#28>", line 1, in <module>
float(currency_euros[:-2])
ValueError: could not convert string to float: '6.150.593,22'
更新:遵循@IrmendeJong答案:
Updated: Following the @IrmendeJong answer:
>>> import locale
>>> locale.setlocale(locale.LC_NUMERIC, "es")
'es'
>>> print(locale.currency(6150593.22))
6150593,22 €
>>> money = '6.150.593,22 €'
>>> locale.atof(money)
Traceback (most recent call last):
File "<pyshell#68>", line 1, in <module>
locale.atof(money)
File "C:\Python35\lib\locale.py", line 318, in atof
return func(delocalize(string))
ValueError: could not convert string to float: '6150593.22 €'
>>>
我很惊讶locale.currency()
可以正常工作,但其倒数方法locale.atof()
不起作用.
I'm ashtonished that locale.currency()
works fine but its reciprocal method locale.atof()
doesn't work.
推荐答案
使用locale.atof
https://docs.python.org/3/library/locale.html#locale.atof
>>> import locale
>>> locale.setlocale(locale.LC_NUMERIC,"nl")
'nl'
>>> locale.atof("6.150.593,22")
6150593.22
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