Re: How best to convert a string "list" to a python list

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From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: How best to convert a string "list" to a python list
Date	Sat, 14 May 2011 15:59:33 -0400
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On 5/14/2011 4:41 AM, Nobody wrote:
> On Fri, 13 May 2011 10:15:29 -0700, noydb wrote:
>
>> I want some code to take the items in a semi-colon-delimted string "list"
>> and places each in a python list.  I came up with below.  In the name of
>> learning how to do things properly, do you experts have a better way of
>> doing it?
>
>> x = "red;blue;green;yellow" ## string of semi-colon delimited colors
>
> Provided that a semicolon is *always* a delimiter, just use the .split()
> method:
>
> 	color_list = x.split(";")
>
> For more complex formats, where there are quote and/or escape characters
> which allow the delimiter to occur as part of an item, you typically need
> to use a regular expression to match everything up to the next delimiter,
> and do this in a loop to extract the individual items.

Or, for some formats, use the cvs module.


-- 
Terry Jan Reedy

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Thread

How best to convert a string "list" to a python list noydb <jenn.duerr@gmail.com> - 2011-05-13 10:15 -0700
  Re: How best to convert a string "list" to a python list Jerry Hill <malaclypse2@gmail.com> - 2011-05-13 13:30 -0400
  Re: How best to convert a string "list" to a python list MRAB <python@mrabarnett.plus.com> - 2011-05-13 18:36 +0100
  Re: How best to convert a string "list" to a python list Redcat <redcat@catfolks.net> - 2011-05-13 19:26 +0000
  Re: How best to convert a string "list" to a python list Nobody <nobody@nowhere.com> - 2011-05-14 09:41 +0100
    Re: How best to convert a string "list" to a python list Daniel Kluev <dan.kluev@gmail.com> - 2011-05-14 21:16 +1100
    Re: How best to convert a string "list" to a python list Terry Reedy <tjreedy@udel.edu> - 2011-05-14 15:59 -0400

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