>
> for quick development-shots, i need to execute my untouched(may i
> could change "print" to "return") Python scripts(..with loops) in the
> Controller.
> The output should be renderd direct via http, without long-winded
> setting up the view for each function.
> Is that possible?
>
If I understand you want to return a string directly without being processed
by the view.
On a controller function, if you return a string (not a dict) it will be
rendered as is.
Tiago
--
On Wed, Feb 24, 2010 at 4:48 PM, AsmanCom <d.as...@web.de> wrote:
> Hi,
>
> for quick development-shots, i need to execute my untouched(may i
> could change "print" to "return") Python scripts(..with loops) in the
> Controller.
> The output should be renderd direct via http, without long-winded
> setting up the view for each function.
> Is that possible?
>
> To my next concern....
>
> On my actual Project i have simple form field with submit button on my
> controller:
> form = SQLFORM.factory(Field('update_url', default='http://.domain.org/
> text_file.txt <http://domain.org/%0Atext_file.txt>',
> requires=IS_NOT_EMPTY()))
>
> On Submit the text file should be downloaded to Server indicated by an
> Progress Bar on the Page.
> Next the file should be inserted to the DB line by line(for loop with
> regex) and again indicated by the same Progress Bar .....
>
> My Code so far(... relies on clienttools example specifically on
> jqueryUI-progressbar and an urllib2 +report_hook snippet i´ve found
> somewhere):
> _______________________________________________________________________
> def chunk_report(bytes_so_far, chunk_size, total_size):
> percent = float(bytes_so_far) / total_size
> percent = round(percent*100)
> return percent
>
>
> if bytes_so_far >= total_size:
> return ('100.0')
>
> def chunk_read(response, chunk_size=8192, report_hook=None):
> total_size = response.info().getheader('Content-Length').strip()
> total_size = int(total_size)
> bytes_so_far = 0
>
> while 1:
> chunk = response.read(chunk_size)
> bytes_so_far += len(chunk)
>
> if not chunk:
> break
>
> if report_hook:
> report_hook(bytes_so_far, chunk_size, total_size)
>
> percent = float(bytes_so_far) / total_size
> percent = round(percent*100)
> return percent #bytes_so_far
>
>
> def url_progress():
> wrapper = DIV(progress,_style="width:400px;")
> jqueryui_progress()
> form = SQLFORM.factory(Field('update_url',
> default='http://.domain.org/text_file.txt', requires=IS_NOT_EMPTY()))
> if form.accepts(request.vars, session):
> response.flash = "Got it!"
> try:
> import urllib2
> openurl = urllib2.urlopen(request.vars.update_url)
> chunk_read(openurl, report_hook=chunk_report)
> except Exception, e:
> session.flash = DIV(T('Unable to download from url
> because:'),PRE(str(e)))
> redirect(URL(r=request))
> event.listen('submit',"form","return confirm('Are you sure?');") #
> adds a confirmation to submit
> page.ready(jq("update_oui").focus()())
> # return dict(form=form)
> return dict(wrapper=wrapper, form=form)
>
> # jQuery progress bar
> progress = DIV(_id="progress")
> def jqueryui_progress():
> wrapper = DIV(progress,_style="width:400px;")
> page.include("http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/
> jquery-ui.min.js<http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/%0Ajquery-ui.min.js>",
> download=True)
> page.include("http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/
> themes/ui-darkness/jquery-ui.css<http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/%0Athemes/ui-darkness/jquery-ui.css>",
> download=True)
> callback = js.call_function(get_progress)
> page.ready(jq(progress).progressbar( dict(value='0') )() )
> page.ready(js.timer(callback,2000))
> return dict(wrapper=wrapper)
>
> def get_progress():
> return jq(progress).progressbar('option', 'value',
> request.now.second)()#
> ________________________________________________________________
>
>
> But now i stuck.... can anyone put me on the right way?
> When the Page is loaded, both elemts show up correctly.
> When i do the submit:
> - The Progressbar freezes(Callback dont work while downloading the
> file...)
> - The Download works and shows 100% when completed(but the while 1
> loop, which calls the report_hook dont work at all! and i need it to
> update the Progress bar... I think?)
>
> + I need to change the Progressbar callback source when updating DB
> after downloading the file...
>
> Anyone any suggestions?
>
> Best regards,
>
> Dieter Asman
>
> - AsmanCom -
> Germany
>
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