On Mar 4, 10:55 am, mk <mrk...@gmail.com> wrote:
> Sneaky Wombat wrote:
> > I was going to write a def to loop through and look for certain pre-
> > compiled regexs, and then put them in a new dictionary and append to a
> > list,
>
> regexes are overkill in this case I think.
>
> > [ 'VLAN4065',
> > 'Interface',
> > 'Gi9/6',
> > 'Po2',
> > 'Po3',
> > 'Po306',
> > 'VLAN4068',
> > 'Interface',
> > 'Gi9/6',
> > 'VLAN4069',
> > 'Interface',
> > 'Gi9/6',]
>
> Why not construct an intermediate dictionary?
>
> elems = [ 'VLAN4065',
> 'Interface',
> 'Gi9/6',
> 'Po2',
> 'Po3',
> 'Po306',
> 'VLAN4068',
> 'Interface',
> 'Gi9/6',
> 'VLAN4069',
> 'Interface',
> 'Gi9/6',]
>
> def makeintermdict(elems):
> vd = {}
> vlan = None
> for el in elems:
> if el.startswith('VLAN'):
> vlan = el.replace('VLAN','')
> elif el == 'Interface':
> vd[vlan] = []
> else:
> vd[vlan].append(el)
> return vd
>
> def makelist(interm):
> finlist = []
> for k in interm.keys():
> finlist.append({k:interm[k]})
> return finlist
>
> if __name__ == "__main__":
> intermediate = makeintermdict(elems)
> print intermediate
> finlist = makelist(intermediate)
> print 'final', finlist
>
> {'4068': ['Gi9/6'], '4069': ['Gi9/6'], '4065': ['Gi9/6', 'Po2', 'Po3',
> 'Po306']}
> final [{'4068': ['Gi9/6']}, {'4069': ['Gi9/6']}, {'4065': ['Gi9/6',
> 'Po2', 'Po3', 'Po306']}]
>
> I hope this is not your homework. :-)
>
> Regards,
> mk
Thanks mk,
My approach was a lot more complex than yours, but your's is better.
I like itertools and was using islice to create tuples for (start,end)
string slicing. Too much work though. Thanks!
-j
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