- December 5, 2012
- python string slice
- 0 (after 0 ratings)
I had to build unique strings for a payment system and i wanted to make them kindof friendly so i generated them with usernames and datetimes(safe enough uniqueness in combo), some usernames are long and they break the limit of this payment system so i thought i should cut the center of the string so it stills has a part of the username and a part of the datetime, the most changing part of the datetime is of course the last part, as microseconds vary rapidly. So i wrote this little function to cut the center of a string i thought it cute so i leave it here. Pay attention to the comment so you can see what is going on.
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def trim_center_of_string(string,max_size): ''' String: hellogoodbye max_size: 8 return hellbyes ''' if len(string) >= max_size: # lets trim the center our long string length = len(string) excess = len(string) - max_size left_imit = (length/2)-(excess/2) # hell|os&goodbyes right_limit = left_imit+excess # hellos&good|byes left_part = string[:left_imit] # hell| right_part = string[right_limit:-1]# |byes string = left_part+right_part # hellbyes return string