Hi!
I was thinking: perhaps it would be nice to be able to quicky split a
string, do some slicing, and then obtaining the joined string back.
Say we have the string: "docs.python.org", and we want to change "docs" to
"wiki". Of course, there are a ton of simpler ways to solve this particular
need, but perhaps str could have something like this:
spam = "docs.python.org"
eggs = "wiki." + spam['.'][1:]
print(eggs) #wiki.python.org
A quick implementation to get the idea and try it:
class Mystr(str):
def __getitem__(self, item):
if isinstance(item, str):
return Mystr_helper(self, item)
else:
return super().__getitem__(item)
class Mystr_helper:
def __init__(self, obj, sep):
self.obj = obj
self.sep = sep
def __getitem__(self, item):
return self.sep.join(self.obj.split(self.sep)[item])
What are your thoughts?
Greetings from Argentina.
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