Add
form = None
after line 22, -> session.flash = T('wizard complete')
When you're done, that variable is not being initialized.
-Jim
On Tuesday, January 26, 2016 at 7:48:10 AM UTC-6, Scott Benninghoff wrote:
>
> I've been working loosely with web2py for a couple of years. Love it,
> love python.
>
> I recently bought the book Web2py Application Development Cookbook and
> started working with the wizard recipe. It seems fairly simple and easy to
> understand.
>
> I ran the project and getting an error that I can't figure out and looking
> for someone with outside eyes to help me figure this one out. I checked
> the book errata and nothing.
>
> Seems like the wizard page runs the way it's supposed to but the last page
> fails out (when it's supposed to be 'done'.
>
> My controller code:
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> *# -*- coding: utf-8 -*-# try something likedef wizard(): #
> Field('ruleNumber','integer'), #
> Field('ruleStatement','string'), #
> Field('ruleParms','string'), STEPS = {0:
> ('srcFile','ruleParms2'), 1: ('ruleStatement',
> 'ruleParms'), 2: URL('done')} step = int(request.args(0) or
> 0) if not step in STEPS: redirect(URL(args=0)) fields =
> STEPS[step] if step == 0: session.wizard = {} if
> isinstance(fields, tuple): form = SQLFORM.factory(*[f for f in
> db.columnSourceToDestMapDetail if f.name <http://f.name> in fields]) if
> form.accepts(request, session):
> session.wizard.update(form.vars) redirect(URL(args=step+1))
> else: db.columnSourceToDestMapDetail.insert(**session.wizard)
> session.flash = T('wizard completed') #redirect(fields) return
> dict(form=form, step=step)*
>
> my view (wizard.html):
>
> {{extend 'layout.html'}}
> <h1>Wizard Step {{=step}}</h1>
> {{=form}}
>
> my view (done.html):
>
> {{extend 'layout.html'}}
> <h1>This is the done.html template</h1>
> {{=BEAUTIFY(response._vars)}}
>
> my model:
>
> tableName = 'columnSourceToDestMapDetail'
> db.define_table(tableName,
> Field('srcFile','string'),
> Field('ruleNumber','integer'),
> Field('ruleStatement','string'),
> Field('ruleParms','string'),
> Field('ruleParms2','string')
> )
>
> Finally, my error: (sorry so long):
>
> Error ticket for "NG_MappingConversion" Ticket ID
>
> 127.0.0.1.2016-01-26.08-43-19.f513d99f-1f18-4317-9c38-7fd9dd2b709d
> <type 'exceptions.UnboundLocalError'> local variable 'form' referenced
> before assignment Version
> web2py™ Version 2.12.3-stable+timestamp.2015.08.19.00.18.03
> Python Python 2.7.8: C:\Python27\python.exe (prefix: C:\Python27)
> Traceback
>
> 1.
> 2.
> 3.
> 4.
> 5.
> 6.
> 7.
> 8.
> 9.
> 10.
>
> Traceback (most recent call last):
> File "C:\Users\benninsc\Documents\web2py\gluon\restricted.py", line 227, in
> restricted
> exec ccode in environment
> File
> "C:/Users/benninsc/Documents/web2py/applications/NG_MappingConversion/controllers/wizard.py"
>
> <http://127.0.0.1:8000/admin/default/edit/NG_MappingConversion/controllers/wizard.py>,
> line 26, in <module>
> File "C:\Users\benninsc\Documents\web2py\gluon\globals.py", line 412, in
> <lambda>
> self._caller = lambda f: f()
> File
> "C:/Users/benninsc/Documents/web2py/applications/NG_MappingConversion/controllers/wizard.py"
>
> <http://127.0.0.1:8000/admin/default/edit/NG_MappingConversion/controllers/wizard.py>,
> line 17, in wizard
> if form.accepts(request, session):
> UnboundLocalError: local variable 'form' referenced before assignment
>
> Error snapshot [image: help]
> <http://127.0.0.1:8000/admin/default/ticket/NG_MappingConversion/127.0.0.1.2016-01-26.08-43-19.f513d99f-1f18-4317-9c38-7fd9dd2b709d#>
>
>
> <type 'exceptions.UnboundLocalError'>(local variable 'form' referenced
> before assignment)
>
> inspect attributes
> Frames
>
> -
>
> *File C:\Users\benninsc\Documents\web2py\gluon\restricted.py in
> restricted at line 227* code arguments variables
> -
>
> *File
>
> C:\Users\benninsc\Documents\web2py\applications\NG_MappingConversion\controllers\wizard.py
>
> in <module> at line 26* code arguments variables
> -
>
> *File C:\Users\benninsc\Documents\web2py\gluon\globals.py in <lambda>
> at line 412* code arguments variables
> -
>
> *File
>
> C:\Users\benninsc\Documents\web2py\applications\NG_MappingConversion\controllers\wizard.py
>
> in wizard at line 17* code arguments variables
> Function argument list
>
> ()
> Code listing
>
> 12.
> 13.
> 14.
> 15.
> 16.
> 17.
>
> 18.
> 19.
> 20.
> 21.
>
> fields = STEPS[step]
> if step == 0:
> session.wizard = {}
> if isinstance(fields, tuple):
> form = SQLFORM.factory(*[f for f in db.columnSourceToDestMapDetail
> if f.name in fields])
> if form.accepts(request, session):
>
> session.wizard.update(form.vars)
> redirect(URL(args=step+1))
> else:
> db.columnSourceToDestMapDetail.insert(**session.wizard)
>
> Variables
> global request <Storage {'_vars': None, 'function': 'wizard',
> '...\\web2py\\applications\\NG_MappingConversion\\'}>
> global session <Storage {'flash': None, 'wizard':
> {'ruleStateme...357ec', 'ee50f7e5-3ac4-4bd3-946a-68e743cb8fde']}>
> form undefined
>
> Context
>
> locals request session response
> In file:
> C:\Users\benninsc\Documents\web2py\applications\NG_MappingConversion\controllers/wizard.py
>
>
> 1.
> 2.
> 3.
> 4.
> 5.
> 6.
> 7.
> 8.
> 9.
> 10.
> 11.
> 12.
> 13.
> 14.
> 15.
> 16.
> 17.
> 18.
> 19.
> 20.
> 21.
> 22.
> 23.
> 24.
> 25.
> 26.
> 27.
>
> # -*- coding: utf-8 -*-
> # try something like
> def wizard():
> # Field('ruleNumber','integer'),
> # Field('ruleStatement','string'),
> # Field('ruleParms','string'),
> STEPS = {0: ('srcFile','ruleParms2'),
> 1: ('ruleStatement', 'ruleParms'),
> 2: URL <http://127.0.0.1:8000/examples/global/vars/URL>('done')}
> step = int(request
> <http://127.0.0.1:8000/examples/global/vars/request>.args(0) or 0)
> if not step in STEPS: redirect
> <http://127.0.0.1:8000/examples/global/vars/redirect>(URL
> <http://127.0.0.1:8000/examples/global/vars/URL>(args=0))
> fields = STEPS[step]
> if step == 0:
> session <http://127.0.0.1:8000/examples/global/vars/session>.wizard =
> {}
> if isinstance(fields, tuple):
> form = SQLFORM
> <http://127.0.0.1:8000/examples/global/vars/SQLFORM>.factory(*[f for f in
> db.columnSourceToDestMapDetail if f.name in fields])
> if form.accepts(request
> <http://127.0.0.1:8000/examples/global/vars/request>, session
> <http://127.0.0.1:8000/examples/global/vars/session>):
> session
> <http://127.0.0.1:8000/examples/global/vars/session>.wizard.update(form.vars)
> redirect <http://127.0.0.1:8000/examples/global/vars/redirect>(URL
> <http://127.0.0.1:8000/examples/global/vars/URL>(args=step+1))
> else:
> db.columnSourceToDestMapDetail.insert(**session
> <http://127.0.0.1:8000/examples/global/vars/session>.wizard)
> session <http://127.0.0.1:8000/examples/global/vars/session>.flash =
> T <http://127.0.0.1:8000/examples/global/vars/T>('wizard completed')
> #redirect(fields)
> return dict(form=form, step=step)
>
> response <http://127.0.0.1:8000/examples/global/vars/response>._vars=response
> <http://127.0.0.1:8000/examples/global/vars/response>._caller(wizard)
>
>
>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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