Hi, savez(), unlike save(), writes its intermediate results to a temporary file. Since App Engine doesn't support temporary files, this doesn't work.
Working around this should be fairly easy but you may have to careful that your intermediate data isn't bigger than the available instance memory. Cheers, Brian On Mon, Jan 9, 2012 at 7:36 AM, redjava <[email protected]> wrote: > savez(StringIO,numpy array) > it works for save(StringIO,numpy array), but will raise that error if > change save() to savez() > > Thanks, > redjava > > On Jan 7, 9:37 pm, Brian Quinlan <[email protected]> wrote: > > On Sun, Jan 8, 2012 at 4:19 PM, redjava <[email protected]> wrote: > > > The rest is just a function call to savez > > > > With what arguments? > > > > Cheers, > > Brian > > > > > > > > > > > > > > > > > > > > > On Jan 7, 4:41 pm, Brian Quinlan <[email protected]> wrote: > > > > Are you sure that is the full traceback? > > > > > > On Sun, Jan 8, 2012 at 10:52 AM, redjava <[email protected]> wrote: > > > > > Hi, > > > > > > > The traceback for using savez is: > > > > > File "C:\Python27\lib\site-packages\numpy\lib\npyio.py", line 491, > > > > > in savez > > > > > File "C:\Python27\lib\site-packages\numpy\lib\npyio.py", line 543, > > > > > in _savez > > > > > File "C:\Program Files > (x86)\Google\google_appengine\google\appengine > > > > > \dist\tempfile.py", line 61, in PlaceHolder > > > > > raise NotImplementedError("Only tempfile.TemporaryFile is > > > > > available for use") > > > > > NotImplementedError: Only tempfile.TemporaryFile is available for > use > > > > > > > Thanks! > > > > > redjava > > > > > > > On Jan 6, 5:51 pm, Brian Quinlan <[email protected]> wrote: > > > > > > Hi, > > > > > > > > On Sat, Jan 7, 2012 at 12:43 PM, redjava <[email protected]> > wrote: > > > > > > > To save large numpy array, one way is to create a StringIO, > call > > > > > > > save() to compress the array and save it as Blob > > > > > > > This method works fine with save(), but not with savez(). > Instead > > > it > > > > > > > will raise "NotImplementedError: Only tempfile.TemporaryFile is > > > > > > > available for use" > > > > > > > > Could you provide the entire traceback? > > > > > > > > Cheers, > > > > > > Brian > > > > > > > > > -- > > > > > > > You received this message because you are subscribed to the > Google > > > > > Groups > > > > > > > "Google App Engine" 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/google-appengine?hl=en. > > > > > > > -- > > > > > You received this message because you are subscribed to the Google > > > Groups > > > > > "Google App Engine" 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/google-appengine?hl=en. > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google App Engine" 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/google-appengine?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" 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/google-appengine?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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/google-appengine?hl=en.
