[Zope-dev] Streaming Response

[Oliver Bleutgen]

Shane Hathaway wrote:
>> It would be less evil if the storage exposed extra capabilities to the 
>> application though _p_ attributes:
>>
>> class SimpleFileData:
>>
>>      def __init__(self, bytes):
>>          self.bytes = bytes
>>
>>      _p_path_to_data = None
>>
>>      def send(self, RESPONSE):
>>          if self _p_path_to_data in not None:
>>              # Hurrah! a gift from our storage
>>              bytes = open(self._p_path_to_data, 'rb').read()
>>              RESPONSE.write(bytes)
>>          else:
>>              RESPONSE.write(self.bytes)
> 
> 
> I like that idea!  It builds on the understanding that _p_ attributes 
> are controlled by the database, not the application.  Thanks, I'll keep 
> that in mind.
> 
> Shane

Yes, this would for example, when using Ape, allow to override the 
__str__ method of image to render a URL to an external server which 
would serve directely from the filesystem. Nice.

cheers,
oliver