Hi everyone,
I just started using Webware and it is such a breath of fresh air in the Python Web
development realm. Excellent job!
I'm trying to create a servlet which can return a Python string to the user's browser
as a zip file download. Information is sent from the user via a post request which is
then processed by the servlet to produce a final string. I could write that string to
disk, zip the file, and redirect the user to the file. But a Java guru friend of mine
showed me a trick where he used java.util.zip (something like that) to do it all in
memory without writing to disk. This functionality is part of the built-in Java
library he used. This way things are fast and there's no need to write a special
clean up program to try and guess when the user had downloaded the file.
This trick should be just as possible in Python but I haven't figured it out yet. I
know I can compress strings with zlib but I'm not sure how to create a response to
make it look like a zip file to the user's browser.
Here's the meager first attempt I made without compressing the string just to see if
the browser would behave as if it were seeing a zip file. I just added what I thought
would be the appropriate mime type in the header:
from WebKit.Servlet import Servlet
class ZipSample(Servlet):
def respond(self, trans):
trans.response().write('Content-type: application/zip;
name="test.zip"\nContent-Transfer-Encoding: base64\n\n\nHello, world!\n')
This servlet just returns the entire response string as a string. Any ideas?
Thanks,
Joel
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