updated that one line to this, but it's not any better, just slightly
more portable. Any insights?
return open("./applications/" + request.application + "/uploads/" +
rows[0].filedata).read()
On Apr 16, 12:49 pm, Dragonfyre13 <dragonfyr...@gmail.com> wrote:
> I want to be able to stream a file that's uploaded via an upload
> field. So far, I haven't really found a way to do this, beyond
> grabbing the file name out of filedata, and then sticking static
> directory path on the front, which is both kludgy, and I have to think
> the wrong way of going about it. Here's what I've got:
>
> def play():
> response.headers["Content-Type"] = "audio/x-vox"
> response.headers["Content-Disposition"] = "attachment; filename="
> + request.args[0] + '.vox'
> rows = db(db.audio_files.playname ==
> request.args[0]).select(db.audio_files.ALL)
> if len(rows):
> return open("/opt/web2py/applications/myapp/uploads/" +
> rows[0].filedata).read()
> else:
> raise ValueError, "Passed incorrect playname: " +
> str(request.args[0])
>
> Essentially, I have another controller uploading to the DB under
> audio_files, and sticking a "playname" in the database as a reference
> to that file. I can then pass the "playfile" name into this function
> in order to get it to return the data out of that file handed back.
>
> Here's the problem. Right now, I've got the directory path prepended
> statically. That's bad in a big way. Second, there's no sanitation,
> and minimal error handling. That will be cleaned up once I get it
> working with an actual solution, rather than this hackish thing.
>
> Basically, I expect that there's something other than
> response.download that will give me the actual data for a file. I
> tried response.download, but it doesn't let me set the content-type,
> or content-disposition (that's all set by it, overriding my header
> info). There has to be something that says "take the data from this
> database entry, as a file object", I'm just looking for what that is.
>
> I then want to be able to store back into it, but that's another point
> not covered above, and I would assume I can just overwrite the old
> file data, or just update the field in the DB. Perhaps if someone is
> tackling the previous question, they can give this one a go too?
>
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