AttributeError Problem

MRAB python at mrabarnett.plus.com
Tue Apr 23 21:17:48 EDT 2013


On 24/04/2013 01:28, animemaiden wrote:
> On Tuesday, April 23, 2013 8:02:08 PM UTC-4, Skip Montanaro wrote:
>> > numberOfVertices = int(infile.readline().decode()) # Read the first line from the file
>>
>> > AttributeError: 'str' object has no attribute 'readline'
>>
>> ...
>>
>> >     infile = filedialog.askopenfilename()
>>
>>
>>
>> This is just returning a filename.  You need to open it to get a file
>>
>> object.  For example:
>>
>>
>>
>>     infile = filedialog.askopenfilename()
>>
>>     fd = open(infile)
>>
>>     ...
>>
>>     numberOfVertices = int(fd.readline().decode())
>>
>>
>>
>> Skip
> Thanks, but now I have this error AttributeError: 'str' object has no attribute 'decode'
>
You already have a string (the line) that you've read from the file, so
what are you trying to 'decode' anyway? Just remove that erroneous
method call.



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