The web2py book's example could use replacing, since it relies on using
__init__ and returning (value, error) rather than using def validate and
returning value or raising ValidationError
On Sunday, 7 April 2019 05:36:13 UTC+1, Massimo Di Pierro wrote:
>
> we will fix the backward incompatibility asap. Not intentional.
>
> On Saturday, 6 April 2019 12:12:47 UTC-7, David Manns wrote:
>>
>> PS this is not backward compatible to 2.17.2
>>
>> On Thursday, April 4, 2019 at 4:52:37 PM UTC-4, David Manns wrote:
>>>
>>> The table in question has a field:
>>>
>>> Field('Paiddate', 'date', requires = [IS_EMPTY_OR(IS_DATE()),
>>> IS_EMPTY_OR(IS_MEMBERSHIP_YEAR_END())]),
>>>
>>> The custom validator is:
>>>
>>> class IS_MEMBERSHIP_YEAR_END(object):
>>> def __init__(self, error_message='Not a membership year end'):
>>> self.error_message = error_message
>>> def __call__(self, value):
>>> yearend = datetime.date(2018,9,30)
>>> if value.month==yearend.month and value.day==yearend.day:
>>> return (value, None)
>>> return (value, self.error_message)
>>>
>>> This works in 2.17.2
>>>
>>> I updated my test environment to 2.18.4 and it fails.
>>>
>>> On the console I see:
>>>
>>> web2py Web Framework
>>> Created by Massimo Di Pierro, Copyright 2007-2019
>>> Version 2.18.4-stable+timestamp.2019.03.13.05.27.54
>>> Database drivers available: sqlite3, imaplib, pyodbc, pymysql
>>> please visit:
>>> ('\t', 'http://127.0.0.1:8000/')
>>> starting browser...
>>> Traceback (most recent call last):
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 1890, in _validate
>>> (value, errors) = validator(value)
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\packages\dal\pydal\validators.py", line 144, in
>>> __call__
>>> return self.validate(value), None
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\packages\dal\pydal\validators.py", line 2754, in
>>> validate
>>> return self.other.validate(value)
>>> AttributeError: 'IS_MEMBERSHIP_YEAR_END' object has no attribute
>>> 'validate'
>>>
>>> The ticket shows:
>>>
>>> Error ticket for "init" Ticket ID
>>>
>>> 127.0.0.1.2019-04-04.16-41-08.0dce185d-d8d2-4d36-9e47-8c82bc1d54f5
>>> <type 'exceptions.Exception'> Validation error, field:Paiddate
>>> <pydal.validators.IS_EMPTY_OR object at 0x0000000004878048> Version
>>> web2py™ Version 2.18.4-stable+timestamp.2019.03.13.05.27.54
>>> Python Python 2.7.14: C:\Python27\python.exe (prefix: C:\Python27)
>>> Traceback
>>>
>>> 1.
>>> 2.
>>> 3.
>>> 4.
>>> 5.
>>> 6.
>>> 7.
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>>> 10.
>>> 11.
>>> 12.
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>>> 20.
>>> 21.
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>>> 26.
>>> 27.
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>>> 29.
>>> 30.
>>>
>>> Traceback (most recent call last):
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\restricted.py", line 219, in restricted
>>> exec(ccode, environment)
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\applications\init\controllers/default.py", line 1747, in
>>> <module>
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\globals.py", line 421, in <lambda>
>>> self._caller = lambda f: f()
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\applications\init\models\db.py", line 109, in wrapped_f
>>> return f(*args)
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\applications\init\controllers/default.py", line 214, in
>>> memberform
>>> deletable = dltbl, onvalidation=setmodified, onaccept=modmember,
>>> ondelete=delmember)
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\tools.py", line 4322, in update
>>> detect_record_change=self.settings.detect_record_change):
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\sqlhtml.py", line 1758, in accepts
>>> **kwargs
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 2149, in accepts
>>> status = self._traverse(status, hideerror)
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 910, in _traverse
>>> newstatus = c._traverse(status, hideerror) and newstatus
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 910, in _traverse
>>> newstatus = c._traverse(status, hideerror) and newstatus
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 910, in _traverse
>>> newstatus = c._traverse(status, hideerror) and newstatus
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 910, in _traverse
>>> newstatus = c._traverse(status, hideerror) and newstatus
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 917, in _traverse
>>> newstatus = self._validate()
>>> File "C:\Users\David\Google Drive\Oxcamne Archive\Web
>>> Site\OxCamNE.2.1\gluon\html.py", line 1895, in _validate
>>> raise Exception(msg)
>>> Exception: Validation error, field:Paiddate <pydal.validators.IS_EMPTY_OR
>>> object at 0x0000000004878048>
>>>
>>>
--
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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