2009/2/9 Graham Dumpleton <[email protected]>: > 2009/2/9 gert <[email protected]>: >> >> when i comment out wsgi.file it works >> >> from os import path >> f=open(path.join(path.dirname(__file__),'../bin/ >> picture.png'),'rb') >> # if 'wsgi.file_wrapper' in environ: return environ >> ['wsgi.file_wrapper'](f, 8192) >> # else: >> return iter(lambda: f.read(8192), '') > > Use the test script from genro's post on February 4th in discussion: > > http://groups.google.com/group/modwsgi/browse_frm/thread/69d3076689a40aa9 > > In particular: > > def application(environ, start_response): > size=environ.get('QUERY_STRING') > if size=='': size='255' > size=int(size) > file=open('tmp/wsgitest','wb') > for i in range(size): > file.write('*') > file.close() > file=open('tmp/wsgitest','rb') > file_wrapper = environ.get('wsgi.file_wrapper', None) > start_response('200 OK',[]) > return file_wrapper(file, 4096*16) > > See if you find similar results where whether it works depends on file size. > > It is interesting that genro sees a difference at 256, as that is a > key value in Apache for which below it doesn't try and use sendfile. > > #define AP_MIN_SENDFILE_BYTES (256) > > Another interesting constant in Apache is: > > #define AP_MIN_BYTES_TO_WRITE 8000 > > Which is close to the other end of the range where they see a problem. > > I haven't myself yet had a chance since getting back home yesterday to > try that test script. > > PS. When replying, please do not discard the previous posts of the > discussion so context isn't lost.
And before you complain the script doesn't work, fix the obvious of adding '/' at front of paths so uses /tmp, rather than 'tmp' directory of what ever current working directory of Apache may be. Graham --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "modwsgi" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/modwsgi?hl=en -~----------~----~----~----~------~----~------~--~---
