[IronPython] Loading Python modules from Silverlight Isolated Storage

Kenneth Miller xkenneth at gmail.com
Tue Nov 4 15:53:23 CET 2008


Thanks for the reply.

Would you mind elaborating?

Regards,
Ken

On Nov 4, 2008, at 8:47 AM, Michael Foord wrote:

> Kenneth Miller wrote:
>> All,
>>
>> The problem is illustrated here:
>>
>> This code will work properly:
>>
>> http://paste.pocoo.org/show/90071/
>>
>> This code produces an error:
>>
>> http://paste.pocoo.org/show/90072/
>
> Different issue. Exec'ing explicitly inside a namespace avoids that  
> problem altogether.
>
> Michael
>
>>
>> Regards,
>> Ken
>>
>> On Nov 4, 2008, at 4:42 AM, Michael Foord wrote:
>>
>>> Kenneth Miller wrote:
>>>> It was proven to me that while exec might work for simple cases,  
>>>> more advanced usage (declaring a lambda function inside an exec)  
>>>> can be problematic. It was advised that I generate python modules  
>>>> and dynamically import them. If memory served me, it's not  
>>>> possible to import a module from a string object.
>>>>
>>> I have often generated (or loaded code into a string) and then  
>>> exec'd it into a module dict to create modules at runtime. It is a  
>>> relatively normal technique in Python.
>>>
>>> Michael
>>>
>>>> Thanks.
>>>>
>>>> - Ken
>>>>
>>>> On Nov 4, 2008, at 12:45 AM, "Curt Hagenlocher" <curt at hagenlocher.org 
>>>>  <mailto:curt at hagenlocher.org> <mailto:curt at hagenlocher.org>>  
>>>> wrote:
>>>>
>>>>> You should be able to do this all in-memory:
>>>>>
>>>>> >>> import sys
>>>>> >>> foo = type(sys)('foo')
>>>>> >>> sys.modules['foo'] = foo
>>>>> >>> exec 'a = 1' in foo.__dict__
>>>>> >>> foo.a
>>>>> 1
>>>>> >>>
>>>>>
>>>>> There's probably a better ("more Pythonic") way to do this, but  
>>>>> I'm sleepy...
>>>>>
>>>>> On Mon, Nov 3, 2008 at 11:40 PM, Kenneth Miller <xkenneth at gmail.com 
>>>>>  <mailto:xkenneth at gmail.com> <mailto:xkenneth at gmail.com>> wrote:
>>>>>
>>>>>   All,
>>>>>
>>>>>     Is it possible to have python load modules from the  
>>>>> silverlight
>>>>>   isolated storage? My app needs to dynamically generate and  
>>>>> import
>>>>>   python code to run.
>>>>>
>>>>>   Regards,
>>>>>   Ken
>>>>>   _______________________________________________
>>>>>   Users mailing list
>>>>>   Users at lists.ironpython.com <mailto:Users at lists.ironpython.com>  
>>>>> <mailto:Users at lists.ironpython.com>
>>>>>   http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at lists.ironpython.com <mailto:Users at lists.ironpython.com> <mailto:Users at lists.ironpython.com 
>>>>> >
>>>>> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>>>> ------------------------------------------------------------------------
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.ironpython.com <mailto:Users at lists.ironpython.com>
>>>> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>>>>
>>>
>>>
>>> -- 
>>> http://www.ironpythoninaction.com/
>>> http://www.voidspace.org.uk/blog
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at lists.ironpython.com
>>> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.ironpython.com
>> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
>>
>
>
> -- 
> http://www.ironpythoninaction.com/
> http://www.voidspace.org.uk/blog
>
>
> _______________________________________________
> Users mailing list
> Users at lists.ironpython.com
> http://lists.ironpython.com/listinfo.cgi/users-ironpython.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/ironpython-users/attachments/20081104/2e43618e/attachment.html>


More information about the Ironpython-users mailing list