Advise of programming one of my first programs

Tim Chase python.list at tim.thechases.com
Wed Mar 28 01:32:05 CEST 2012


On 03/27/12 16:53, Anatoli Hristov wrote:
> On Tue, Mar 27, 2012 at 5:53 PM, Tim Chase wrote:
>>> On 03/27/12 10:32, Prasad, Ramit wrote:
>>>> fileread = open('myfile.txt','r')
>>>> tbook = eval(fileread.read())
>>>> fileread.close()
>>>
>>>
>>> The use of eval is dangerous if you are not *completely* sure what is
>>> being passed in. Try using pickle instead:
>>
>> Or, depending on the use, you might use ast.literal_eval()
>
> Thanks, but I`m still far from for dose details I thing:)

[reordered to make the commenting inline instead of top-posted]

To make it safer, just change eval(fileread.read()) to 
ast.literal_eval(fileread.read()) and insert "import ast" at the 
top of your script.

-tkc






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