Re: [Fab-user] Exceptions on tasks

[Charles Gagnon]

That actually works great for me. Thanks.

On Fri, Dec 21, 2012 at 3:14 PM, Francisco José Marques Vieira
<address@hidden> wrote:
> Hi. There might be a better way, but one way to do it would be to use a
> default value for the argument as None and warn the user if the value is
> still None inside your code.
> Something like this:
>
> @task
> def myTask(itsargument=None):
>     """ blah """
>     if itsargument == None:
>         usage()
>         sys.exit(1)
> ...
>
> Francisco Vieira
>
>
> On 12/21/2012 07:52 PM, Charles Gagnon wrote:
>>
>> Sorry if this is obvious but I'm very novice at Python and Fabric.
>> I've researched tghe documentation I could find but could find
>> anything for this particular case. I have a simple fabfile which
>> includes a task requiring an argument:
>>
>> @task
>> def myTask(itsargument):
>>      """ blah """
>> ...
>>
>> It runs fine if I do:
>>
>>     fab -H host fabfile.myTask:itsargument=value
>>
>> It works as I want it to. But if I omit the argument, I get a
>> TypeError exception:
>>
>>     TypeError: myTask() takes exactly 1 argument (0 given)
>>
>> Which I would like to catch and output usage(). So far, I have not
>> been able to do so.
>>
>> --
>> Charles Gagnon
>> charlesg at unixrealm.com
>>
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>>
>
>
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-- 
Charles Gagnon
charlesg at unixrealm.com