[Tutor] Program review

[Ricardo Aráoz]

Torsten Marek wrote:
>> try :
>>     with open('/etc/passwd', 'r') as f:
>>         for line in f:
>>             print line
>>             ... more processing code ...
>> except ExceptionsOnOpening :
>>     ... exception handling
>> except :
>>     ... exceptions inside the for
>>
>>
>>
>> Whereas traditionally :
>>
>> try :
>>     f = open('/etc/passwd', 'r')
>>     for line in f:
>>         print line
>>         ... more processing code ...
>> except ExceptionsOnOpening :
>>     ... exception handling
>> except :
>>     ... exceptions inside the for
> 
> Hi Ricardo,
> 
> don't forget the "f.close()" call after the for loop, in a finally block
> [0]. Context managers are all about generalizing non-adjacent parts of
> setup and teardown code  
> 
> Actually, the fact that you forgot the close call is an argument for
> using the context manager;)
> 

Hi Torsten,

or an argument for going to sleep at 10 pm after a hard day's work and
38º Centigrades temperature.  ;c)