Ken Starks wrote:
> Ilias Lazaridis wrote:
>
>>within a python script, I like to create a collection which I fill with
>>values from an external text-file (user editable).
>>
>>How is this accomplished the easiest way (if possible without the need
>>of libraries which are not part of the standard distribution)?
>>
>>something like:
>>
>>text-file:
>>{peter, 16},
>>{anton, 21}
>>
>>-
>>
>>within code:
>>
>>users.load(text-file.txt)
>>
>>for user in users
>> user.name
>> user.age
[...]
the solutions below seems to be the most compact one.
this, or the suggested CSV module within the other messages.
thank's to everyone for the feedback.
[...]
> If you want to use a plain text format, keep it simple. I would
> separate the two fields with tab (thus permit a comma within a field)
> and allow 'comment' lines that start with a hash.
> You don't need the braces, or the end-of-line comma you included.
>
> # snip 'text-file.txt'
> # name and age on one line separated by tab
> Jonny 8
> Mary 87
> Moses 449
>
>
> # end-snip 'text-file.txt'
> Then:
> """
>
> import string
>
> class user:
> def __init__(self,name,age):
> self.name=name
> self.age=int(age) # or a float, or a time-interval, or date-of-birth
>
> def show(self):
> print "%s is aged %s" % (self.name, self.age)
>
> if __name__=="__main__":
> users=[]
> filename="text-file.txt"
> fieldsep="\t"
> F=open(filename,"r")
> Lines=F.readlines()
> for L0 in Lines:
> L1=string.strip(L0)
> if not L1.startswith("#"):
> Record=string.split(L1,fieldsep)
> # insert error handling/validation here
> users.append(user(Record[0],Record[1]))
>
> F.close()
> for user in users:
> user.show()
.
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