Yes. You store the data in session, so the plot is only accessible to the user who created it until the session is deleted.
You may want to look at this as well: https://github.com/mdipierro/canvas On Sunday, 9 September 2012 16:05:17 UTC-5, Jarrod Wilcox wrote: > > Please forgive the newbieness of question. > > I am generating interactive plots using matplotlib as suggested by > cookbook, which writes a file and then pulls it into a view. My question > is whether that file is protected from other users seeing it. A second > question is whether, as I hope, the plot file will go away after the > session is over. > > The application takes in financial planning data, does some calculations > in a module and then writes both a message and a graph to the screen. > Current graph is a dummy. > > @auth.requires_login() > def planA(): > var={} > outputstr='' > graph='' > form=SQLFORM.factory( > Field('I', requires=IS_INT_IN_RANGE(0,10000000)), > Field('S', requires=IS_INT_IN_RANGE(0,10000000)), > Field('y', requires=IS_INT_IN_RANGE(0,10000000)), > Field('r', requires=IS_FLOAT_IN_RANGE(0.01,0.05)), > Field('tb', requires=IS_INT_IN_RANGE(0,100)), > Field('k', requires=IS_INT_IN_RANGE(0,100)), > Field('vo', requires=IS_INT_IN_RANGE(0,10000000)), > Field('Adjust', > requires=IS_IN_SET(['I','S','y','r','tb','k','vo']))) > > if form.process(keepvalues=True).accepted: > response.flash='form accepted' > var['I']=int(request.vars['I']) > var['S']=int(request.vars['S']) > var['y']=int(request.vars['y']) > var['r']=float(request.vars['r']) > var['tb']=int(request.vars['tb']) > session.k=var['k']=int(request.vars['k']) > var['vo']=int(request.vars['vo']) > missing=request.vars['Adjust'] > from jwplanner import findmissing > output=findmissing(var,missing) # adjusts designated input to find > best plan > outputstr="Revised %s = %s" % (missing, output) > graph=graph_planA() > elif form.errors: > response.flash='form has errors' > else: > response.flash = 'please fill in the form' > > return dict(form=form,outputstr=outputstr,graph=graph) > > @auth.requires_login() > # question do plots need to be stored in session to prevent conflict? > def graph_planA(): > return HTML(BODY( > IMG(_src=URL('planA_plot')))) > > @auth.requires_login() > def planA_plot(): > response.headers['Content-Type']='image/png' > x=range(0,session.k,1) > y=[xi**1.3 for xi in x]ma > return myplot(ylab=T('Thousands of > Dollars'),xlab=T('Years'),data={'data':zip(x,y)}) > --
