I've been busy trying to widgetize. I have some questions.
a- so far, the easiest way to push into a widget is this:
class Form__Register(TableForm):
fields = [
Image('captcha_image',label='',validator=None) ,
TextField('captcha_text',label="Enter The Text Above" ,
validator=String(not_empty=True) ) ,
HiddenField('captcha_key' , validator=String(not_empty=True) ) ,
]
however:
a - i had to make this widget, which is quite bad
class Image(FormField):
template = """<img src="${value}" border="0"/>"""
b - i have no idea how to consolidate this into a compound widget
in displaying the form , i figured this out:
def index(self,tg_errors=None,**data):
if 'captcha_key' in data:
captcha_key = data['captcha_key']
else:
captchaInstance = CaptchaNew(captcha_seed="sessionID")
captchaInstance.generate_key()
captcha_key = captchaInstance.captcha_key_combined
value['captcha_image'] =
'/register/captcha_view__registration?key=%s' % captcha_key
value['captcha_key'] = captcha_key
however, i can't figure out how to validate my captcha correctly
i figure i can either
a) do it in the schema , but i have no idea how to hook a custom
validator into the schema
b) do it in the form process, but then i don't know how to push back
to the main page as an error ie:
def process( self, **data ):
if not validate_captcha():
return dict( self.index() )
any suggestions? i know i'll have 2 dozen more questions relating to
this in the near future.
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