On Sep 5, 2009, at 11:21 AM, Jose wrote:
>
> I was watching, the error occurs in globals.py:
>
> File "/usr/home/jose/web2py/gluon/globals.py", line 204, in download
> return self.stream(stream, chunk_size = chunk_size)
> File "/usr/home/jose/web2py/gluon/globals.py", line 172, in stream
> file_streamer = (request.env.mod_wsgi and \
> AttributeError: 'NoneType' object has no attribute 'env'
Try this:
file_streamer = (request and request.env.mod_wsgi and \
request.env.mod_wsgi_version >= (2,4)
and \
request.env.wsgi_file_wrapper) or streamer
>
>
>
> def stream(
> self,
> stream,
> chunk_size = DEFAULT_CHUNK_SIZE,
> request=None,
> ):
> """
> if a controller function::
>
> return response.stream(file, 100)
>
> the file content will be streamed at 100 bytes at the time
> """
>
> if isinstance(stream, str):
> stream_file_or_304_or_206(stream, request=request,
> headers=self.headers)
>
> # ## the following is for backward compatibility
>
> if hasattr(stream, 'name'):
> filename = stream.name
> else:
> filename = None
> keys = [item.lower() for item in self.headers]
> if filename and not 'content-type' in keys:
> self.headers['Content-Type'] = contenttype(filename)
> if filename and not 'content-length' in keys:
> try:
> self.headers['Content-Length'] = os.stat(filename)
> [stat.ST_SIZE]
> except OSError:
> pass
> file_streamer = (request.env.mod_wsgi and \
> request.env.mod_wsgi_version >= (2,4) and
> \
> request.env.wsgi_file_wrapper) or
> streamer
> self.body = file_streamer(stream, chunk_size)
> return self.body
>
>
> This does work.
>
> def stream(
> self,
> stream,
> chunk_size=10 ** 6,
> request=None,
> ):
> """
> if a controller function::
>
> return response.stream(file, 100)
>
> the file content will be streamed at 100 bytes at the time
> """
>
> if isinstance(stream, str):
> stream_file_or_304_or_206(stream, request=request,
> chunk_size=chunk_size, headers=self.headers)
>
> # ## the following is for backward compatibility
>
> if hasattr(stream, 'name'):
> filename = stream.name
> else:
> filename = None
> keys = [item.lower() for item in self.headers]
> if filename and not 'content-type' in keys:
> self.headers['Content-Type'] = contenttype(filename)
> if filename and not 'content-length' in keys:
> try:
> self.headers['Content-Length'] = os.stat(filename)
> [stat.ST_SIZE]
> except OSError:
> pass
> self.body = streamer(stream, chunk_size)
> return self.body
>
> jose
> >
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