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widget support the kwargs to add custom html attributes #353

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widget support the kwargs to add custom html attributes #353

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15 changes: 10 additions & 5 deletions flask_wtf/recaptcha/widgets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,15 +8,15 @@
RECAPTCHA_SCRIPT = u'https://www.google.com/recaptcha/api.js'
RECAPTCHA_TEMPLATE = u'''
<script src='%s' async defer></script>
<div class="g-recaptcha" %s></div>
<div %s></div>
'''

__all__ = ['RecaptchaWidget']


class RecaptchaWidget(object):

def recaptcha_html(self, public_key):
def recaptcha_html(self, public_key, **kwargs):
html = current_app.config.get('RECAPTCHA_HTML')
if html:
return Markup(html)
Expand All @@ -27,7 +27,9 @@ def recaptcha_html(self, public_key):

attrs = current_app.config.get('RECAPTCHA_DATA_ATTRS', {})
attrs['sitekey'] = public_key
snippet = u' '.join([u'data-%s="%s"' % (k, attrs[k]) for k in attrs])
snippet_attrs = [u'%s="%s"' % (k, v) for k, v in kwargs.items()]
snippet_attrs += [u'data-%s="%s"' % (k, attrs[k]) for k in attrs]
snippet = u' '.join(snippet_attrs)
return Markup(RECAPTCHA_TEMPLATE % (script, snippet))

def __call__(self, field, error=None, **kwargs):
Expand All @@ -37,5 +39,8 @@ def __call__(self, field, error=None, **kwargs):
public_key = current_app.config['RECAPTCHA_PUBLIC_KEY']
except KeyError:
raise RuntimeError('RECAPTCHA_PUBLIC_KEY config not set')

return self.recaptcha_html(public_key)
defaults = (('id', field.id), ('class', 'g-recaptcha'))
for key, default_value in defaults:
if key not in kwargs:
kwargs[key] = default_value
return self.recaptcha_html(public_key, **kwargs)