Le 14/06/2018 à 07:29, Steven D'Aprano a écrit :
> On Wed, Jun 13, 2018 at 10:59:34PM +0200, Michel Desmoulin wrote:
>
>>> Attaching an entire module to a type is probably worse than
>>> adding a slew of extra methods to the type.
>>>
>>
>> Not my point.
>>
>> str.re would not be the re module, just a namespace where to group all
>> regex related string methods.
>
> That's what a module is :-)
>
> How would this work? If I say:
>
> "My string".re.match(...)
>
> if str.re is "just a namespace" how will the match function know the
> string it is to operate on?
There are a lot of ways to do that. One possible way:
import re
class re_proxy:
def __init__(self, string):
self.string = string
def match(self, pattern, flags):
return re.match(pattern, self.string, flags)
...
@property
def re(self):
return re_proxy(self)
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