def create_form_helper(form_data):
'''
Creates a dc.form object from a dict container
@param form_data: A list containing dicts representing a form's
internal structure
@return: A dc.form object from `form_data`
'''
new_form = form.form()
for elem_data in form_data:
elem_type = elem_data['tagname']
attrs = elem_data.items()
if elem_type == 'input':
type = elem_data['type']
if type == 'radio':
new_form.addRadio(attrs)
elif type == 'checkbox':
new_form.addCheckBox(attrs)
else:
pass
elif elem_type == 'select':
new_form.addSelect(elem_data['name'], elem_data['options'])
return new_form
def _handle_form_tag(self, tag, attrs):
"""
Handles the form tags.
This method also looks if there are "pending inputs" in the self._saved_inputs list
and parses them.
"""
# Find the method
method = "GET"
foundMethod = False
for attr in attrs:
if attr[0].lower() == "method":
method = attr[1].upper()
foundMethod = True
if not foundMethod:
om.out.debug("htmlParser found a form without a method. Using GET as the default.")
# Find the action
foundAction = False
for attr in attrs:
if attr[0].lower() == "action":
decoded_action = self._decode_URL(attr[1], self._encoding)
action = urlParser.urlJoin(self._baseUrl, decoded_action)
foundAction = True
if not foundAction:
msg = "htmlParser found a form without an action attribute. Javascript may be used..."
msg += " but another option (mozilla does this) is that the form is expected to be "
msg += " posted back to the same URL (the one that returned the HTML that we are "
msg += " parsing)."
om.out.debug(msg)
action = self._source_url
# Create the form object and store everything for later use
self._insideForm = True
form_obj = form.form()
form_obj.setMethod(method)
form_obj.setAction(action)
self._forms.append(form_obj)
# Now I verify if they are any input tags that were found outside the scope of a form tag
for tag, attrs in self._saved_inputs:
# Parse them just like if they were found AFTER the form tag opening
self._handle_input_tag_inside_form(tag, attrs)
# All parsed, remove them.
self._saved_inputs = []
def _findForms(self, tag, attrs):
'''
This method finds forms inside an WML document.
This is a WML form example:
<go method="post" href="dataReceptor.php">
<postfield name="clave" value="$(clave)"/>
<postfield name="cuenta" value="$(cuenta)"/>
<postfield name="tipdat" value="D"/>
</go>
'''
if tag == 'go' :
#Find the method
method = 'GET'
foundMethod = False
for attr in attrs:
if attr[0] == 'method':
method = attr[1]
foundMethod = True
if not foundMethod:
om.out.debug('wmlParser found a form without a method. Using GET as the default.')
#Find the action
foundAction = False
for attr in attrs:
if attr[0] == 'href':
action = self._baseUrl.urlJoin( attr[1] )
action = self._decode_URL( action , self._encoding)
foundAction = True
if not foundAction:
om.out.debug('wmlParser found a form without an action. Javascript is being used.')
# <form name="frmRegistrar" onsubmit="valida();">
else:
self._insideForm = True
f = form.form()
f.setMethod( method )
f.setAction( action )
self._forms.append( f )
if self._insideForm:
# I am inside a form, I should parse input tags
if tag in [ 'input', 'postfield','setvar' ]:
# We are working with the last form
f = self._forms[ len(self._forms) -1 ]
f.addInput( attrs )
elif tag == 'select':
self._insideSelect = True
name = ''
# Get the name
self._selectTagName = ''
for attr in attrs:
if attr[0].lower() == 'name':
self._selectTagName = attr[1]
if not self._selectTagName:
for attr in attrs:
if attr[0].lower() == 'id':
self._selectTagName = attr[1]
if not self._selectTagName:
om.out.debug('wmlParser found a select tag without a name attr !')
self._insideSelect = False
if self._insideSelect:
if tag == 'option':
# We are working with the last form in the list
f = self._forms[ len(self._forms) -1 ]
attrs.append( ('name',self._selectTagName) )
f.addInput( attrs )
