On Wed, 18 Sep 2019 08:30:08 +0200
Peter Otten <[email protected]> wrote:
> Manfred Lotz wrote:
>
> > I have a function like follows
> >
> > def regex_from_filepat(fpat):
> > rfpat = fpat.replace('.', '\\.') \
> > .replace('%', '.') \
> > .replace('*', '.*')
> >
> > return '^' + rfpat + '$'
> >
> >
> > As I don't want to have the replace() functions in one line my
> > question is if it is ok to spread the statement over various lines
> > as shown above, or if there is a better way?
>
> Sometimes you can avoid method-chaining:
>
> >>> REP = str.maketrans({".": "\\.", "%": ".", "*": ".*"})
> >>> def regex_from_filepat(fpat):
> ... return fpat.translate(REP)
> ...
> >>> regex_from_filepat("*foo.%")
> '.*foo\\..'
>
Very interesting. Thanks for this.
> Generally speaking a long statement may be a hint that there is an
> alternative spelling.
>
>
I'll keep it in my mind.
--
https://mail.python.org/mailman/listinfo/python-list
