[IronPython] Loading Python modules from Silverlight Isolated Storage

[Michael Foord]

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