On Jan 15, 11:43 pm, blackshirt <[email protected]> wrote: > Thanks Massimo, you were great's people.. > > 1. if we read from file resulted from redirected stdout, i think that > we get complete output finally, not ongoing process output ?? > that was right, Massimo ?? correct me if i'm wrong ..
you read what has been flushed. If the process has completed you read everything. > > 2. if we are using popen (popen2 or whatever), first arguments was > cmd.. i think that cmd was external program or script, not function > inside controller.. is true like that ? > i don't want use external script/helper.. is it possible ? you can probably do with the multiprocessing module. I am not sure how it handles stdout. > On Jan 15, 12:15 am, Massimo Di Pierro <[email protected]> > wrote: > > > > > > > > > I think apt sends the output to stdout. There are two ways to capture > > that: > > > 1) redirect stdout to a file, then read and display the file. This is > > not thread safe which requires you lock when you do it > > > 2) use multiprocessing or popen and run the function in a separate > > process which then captures the output. > > > I this case I would go with 1. > > > On Jan 12, 8:24 pm, blackshirt <[email protected]> wrote: > > > > i have some a littel coding with web2py framework.. > > > here is my controller and file : > > > > def update(): > > > cache = apt.Cache() > > > progress = apt.progress.TextFetchProgress() > > > res = cache.update(progress) > > > return dict(res = res) > > > > in this related view.. > > > > {{extend 'layout.html'}} > > > {{=res}} > > > {{pass}} > > > > the controller works normally, ie. update the APT database.. i see it > > > progress on console output. > > > but on view just return value > > > > True > > > > after process update finish... > > > > i hope, the output progress, like this normally : > > > > Hithttp://ftp.hk.debian.orgstableRelease.gpg > > > Hithttp://security.debian.orgstable/updatesRelease.gpg > > > Ignoredhttp://security.debian.org/stable/updates/contribTranslation- > > > en > > > Failedhttp://security.debian.org/stable/updates/contribTranslation- > > > en > > > Ignoredhttp://security.debian.org/stable/updates/mainTranslation-en > > > Failedhttp://security.debian.org/stable/updates/mainTranslation-en > > > Ignoredhttp://security.debian.org/stable/updates/non-free > > > Translation-en > > > Failedhttp://security.debian.org/stable/updates/non-freeTranslation- > > > en > > > Hithttp://security.debian.orgstable/updatesRelease > > > Donehttp://security.debian.orgstable/updatesRelease > > > Ignoredhttp://ftp.hk.debian.org/debian/stable/contribTranslation-en > > > Failedhttp://ftp.hk.debian.org/debian/stable/contribTranslation-en > > > Hithttp://security.debian.orgstable/updates/mainamd64Packages > > > Ignoredhttp://ftp.hk.debian.org/debian/stable/mainTranslation-en > > > Failedhttp://ftp.hk.debian.org/debian/stable/mainTranslation-en > > > Hithttp://security.debian.orgstable/updates/contribamd64Packages > > > Hithttp://security.debian.orgstable/updates/non-freeamd64Packages > > > Ignoredhttp://ftp.hk.debian.org/debian/stable/non-freeTranslation- > > > en > > > Failedhttp://ftp.hk.debian.org/debian/stable/non-freeTranslation-en > > > Hithttp://ftp.hk.debian.orgstableRelease > > > Donehttp://ftp.hk.debian.orgstableRelease > > > Hithttp://ftp.hk.debian.orgstable/mainSources > > > Hithttp://ftp.hk.debian.orgstable/contribSources > > > Hithttp://ftp.hk.debian.orgstable/non-freeSources > > > Hithttp://ftp.hk.debian.orgstable/mainamd64Packages > > > Hithttp://ftp.hk.debian.orgstable/contribamd64Packages > > > Hithttp://ftp.hk.debian.orgstable/non-freeamd64Packages > > > Done downloading > > > > showing on the view output.. > > > How we can do this on web2py ? > > > i'm still pretty newbie on python and web2py > > > > thanks
