I cannot reproduce the error but this may be a browser issue again and the way it handles the "email=...@s.com" in the URL below. @ should be encoded as it is not allowed in URL.
http://127.0.0.1:8000/my_app/input_data/form2?admin=False&email=...@s.com&name=j&profile=something&sure=yes On May 29, 1:01 pm, Dan <danbr...@gmail.com> wrote: > Thanks Massimo- I'm starting to understand the http flow better now... > > but the code you sent returned the same error I was seeing in my code > when I clicked on the submit button on the form. Here are the snippets > from the traceback: > ... > if form.accepts(request.vars,session): > ... > File ".../web2py/gluon/validators.py", line 70, in __call__ > match = self.regex.match(value) > TypeError: expected string or buffer > > The URL I used was this: > http://127.0.0.1:8000/my_app/input_data/form2?admin=False&email=...@s.com&name=j&profile=something&sure=yes > > And the controller code is this: > > def form2(): > hidden = dict([(k,v) for (k,v) in request.get_vars.items() if not > k in ['name','email','sure']]) > form=FORM(TABLE(TR("Your name:",INPUT > (_type="text",_name="name",_value=request.vars.name or '', > requires=IS_NOT_EMPTY())), > TR("Your email:",INPUT > (_type="text",_name="email",_value=request.vars.email or '', > requires=IS_EMAIL())), > TR("Admin",INPUT(_type="checkbox",_name="admin")), > TR("Sure?",SELECT > ('yes','no',_name="sure",requires=IS_IN_SET(['yes','no']))), > TR("Profile",TEXTAREA(_name="profile",value="write > something here")), > TR("",INPUT(_type="submit",_value="SUBMIT"))), > hidden=hidden, action='POST', method=URL(r=request)) > if form.accepts(request.vars,session): > form.vars.update(hidden) > # response.flash="form accepted" > else: > pass > return dict > (form=form,form_vars=form.vars,request_vars=request.vars) > > On May 29, 10:00 am, mdipierro <mdipie...@cs.depaul.edu> wrote: > > > You want: > > ## receive info using URL params, and show the form > > ## receive info using form when URL params present > > ## show empty form when no URL params present > > ## receive info using form when no URL params present > > Do not do it this way because your point 2 is outsite the http specs > > and different browsers will behave in different ways. > > Some will discard the variables in the URL, some will not, some may > > duplicate the values. This is not a web2py issue. This is a browser > > issue. There is no standard. > > > You should do > > > def form(): > > hidden = dict([(k,v) for (k,v) in request.get_vars.items() if not > > k in ['name','email','sure']] > > form=FORM(TABLE(TR("Your name:",INPUT > > (_type="text",_name="name",_value=request.vars.name or '', > > requires=IS_NOT_EMPTY())), > > TR("Your email:",INPUT > > (_type="text",_name="email",_value=request.vars.email or > > '',requires=IS_EMAIL())), > > TR("Admin",INPUT(_type="checkbox",_name="admin")), > > TR("Sure?",SELECT > > ('yes','no',_name="sure",requires=IS_IN_SET(['yes','no']))), > > TR("Profile",TEXTAREA(_name="profile",value="write > > something here")), > > TR("",INPUT(_type="submit",_value="SUBMIT"))), > > hidden=hidden, action='POST', method=URL(r=request)) > > if form.accepts(request.vars,session): > > form.vars.update(hidden) > > else: > > pass > > > On May 29, 11:32 am, Dan <danbr...@gmail.com> wrote: > > > > > 2) you are using > > > > > form.accepts(request.vars,session): > > > > > Which is desigend to prevent double submissions and various types of > > > > attacks by hiding hidden one time tokens in the form and preventing > > > > validation if the form if the token is not returned. > > > > You can disable this by using > > > > > form.accepts(request.vars,formname=None): > > > > > and the request.vars.name will be copied in form.vars.name > > > > Thanks for that suggestion, it helped a bit. > > > > Sorry, I wasn't clear in my earlier message: I sent my code, and in > > > addition to that I sent the URL to call one of the sample apps in the > > > web2py documentation which showed the same symptoms. > > > > Here is a self-contained example, with 3 different options for calling > > > the "form.accepts()" method, each having slightly different problems/ > > > symptoms - I need to get one of them working (or some other approach). > > > The controller needs to be able to acecpt information from 2 different > > > sources: either using parameters in the URL, or using a form on the > > > web page. If the user starts out sending information using URL > > > parameters, they should be able to use the form to send a subsequent > > > set of information. > > > That means the controller needs to do these 4 things: > > > ## receive info using URL params, and show the form > > > ## receive info using form when URL params present > > > ## show empty form when no URL params present > > > ## receive info using form when no URL params present > > > > The URL with parameters that I'm using is this: > > > http://127.0.0.1:8000/my_app/input_data/form?admin=False&emai...@s.com&name=j&profile=something&sure=yes > > > and the URL without any parameters is of course > > > this:http://127.0.0.1:8000/my_app/input_data/form > > > > here is the code in the controller called input_data.py, mostly > > > following the documentation's example 28 (http://www.web2py.com/ > > > examples/default/examples): > > > > def form(): > > > form=FORM(TABLE(TR("Your name:",INPUT > > > (_type="text",_name="name",requires=IS_NOT_EMPTY())), > > > TR("Your email:",INPUT > > > (_type="text",_name="email",requires=IS_EMAIL())), > > > TR("Admin",INPUT(_type="checkbox",_name="admin")), > > > TR("Sure?",SELECT > > > ('yes','no',_name="sure",requires=IS_IN_SET(['yes','no']))), > > > TR("Profile",TEXTAREA(_name="profile",value="write > > > something here")), > > > TR("",INPUT(_type="submit",_value="SUBMIT")))) > > > > ### VALIDATION 1 (disabled) > > > # if form.accepts(request.vars,session): > > > ## receive info using URL params and show form: PROBLEM. > > > information appears to be received but not processed. it says "please > > > fill in the form" and the request variables are displayed (but not > > > form variables). > > > ## receive info using form when URL params present: ERROR. ("if > > > form.accepts(request.vars,session):" leads to error "TypeError: > > > expected string or buffer" from validators.py) > > > ## show empty form when no URL params present: OK > > > ## receive info using form when no URL params present: OK > > > > ### VALIDATION 2 (enabled) > > > if form.accepts(request.vars,formname=None): > > > ## receive info using URL params and show form: OK > > > ## receive info using form when URL params present: ERROR. ("if > > > form.accepts(request.vars,formname=None):" leads to error "TypeError: > > > expected string or buffer" from validators.py) > > > ## show empty form when no URL params present: PROBLEM. shows user > > > a "form is invalid" message > > > ## receive info using form when no URL params present: OK > > > > ### VALIDATION 3 (disabled) > > > # if form.accepts(request.vars): > > > ## receive info using URL params and show form: PROBLEM. > > > information appears to be received but not processed. it says "please > > > fill in the form" and the request variables are displayed (but not > > > form variables). > > > ## receive info using form when URL params present: ERROR. ("if > > > form.accepts(request.vars):" leads to error "TypeError: expected > > > string or buffer" from validators.py) > > > ## show empty form when no URL params present: OK > > > ## receive info using form when no URL params present: OK > > > > response.flash="form accepted" > > > elif form.errors: > > > response.flash="form is invalid" > > > else: > > > response.flash="please fill the form" > > > return dict > > > (form=form,form_vars=form.vars,request_vars=request.vars) > > > > So the issues that I'm trying to understand and fix: > > > 1) when trying to receive info using form when URL params present, > > > what does the error involving "expected string or buffer" mean? How > > > can I fix that? > > > 2) using validation method #2, how can I avoid showing the error > > > message when the form is loaded without any parameters in the URL? > > > 3) using validation method #1 or #3, why does the controllerappear to > > > receive info from the URL but not act on it? > > > > Thanks > > > > Dan --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
