def isSourceCacheable(context, node):
""" Helps to see if the Document using an external source
defined in the XML node is cacheable.
"""
id = node.getAttribute('id').encode('ascii')
source = getSourceForId(context, id)
if source is None:
return 1
parameters = getSourceParameters(context, node)
is_cacheable = source.is_cacheable(**parameters)
return is_cacheable
def isSourceCacheable(context, node):
""" Helps to see if the Document using an external source
defined in the XML node is cacheable.
"""
id = node.getAttribute('id').encode('ascii')
source = getSourceForId(context, id)
if source is None:
return 1
parameters = getSourceParameters(context, node)
is_cacheable = source.is_cacheable(**parameters)
return is_cacheable
id = request.get('id')
if id is None:
# no id nor params saved.
removeParameterElements(node)
node.removeAttribute('id')
return
if node.getAttribute('id') != id:
# is changed, so remove all attrs.
node.setAttribute('id', ustr(id))
# Use Document's context. If not, the complete widgets hierarchy comes
# in play and weird acquisition magic may cause 'source' to be a widget
# whenever the source object has a widget's id.
doc = node.get_silva_object()
source = getSourceForId(doc, id)
if source is None:
# should not happen since id was selected from a list...
# or should we silently ignore this?
raise ValueError, _('Source is a NoneType - is it not available anymore?')
form = source.form()
try:
result = form.validate_all_to_request(request)
except (FormValidationError, ValidationError), errs:
pass
else:
removeParameterElements(node)
for field in form.get_fields():
param = node.createElement('parameter')
param.setAttribute('key', ustr(field.id))
def sax_source(self, node):
# simple output reporting to emulate behavior of widgets renderer
def source_error(error):
html = ['<div class="warning">'
'<strong>[external source element is broken]</strong>',
'<br />',
escape(unicode(error)),
'</div>']
self.render_html("".join(html))
self.endElementNS(NS_DOCUMENT_URI, node.nodeName)
options = self.getOptions()
parameters = {}
parameters_type = {}
for child in node.childNodes:
if child.nodeName == 'parameter':
name = str(child.attributes['key'].value)
if options.upgrade30 and name in RENAMED_FIELDS:
name = RENAMED_FIELDS[name]
param_type = child.attributes.get('type')
if param_type:
parameters_type[name]= str(param_type.value)
for grandChild in child.childNodes:
text = ''
if grandChild.nodeType == Node.TEXT_NODE:
if grandChild.nodeValue:
text = text + grandChild.nodeValue
parameters[name] = text
attributes = {}
if node.attributes:
attributes = get_dict(node.attributes)
try:
id = attributes['id']
except KeyError:
return
source = getSourceForId(self.context.get_content(), id)
if options.upgrade30:
if source is None:
logger.error(u"Missing source %s, skipping it.", id)
return
logger.info(u'Document uses source %s.', id)
value_settings = []
seen_fields = set()
def convert_parameter(name, value):
field = source.parameters.get_field(name)
value_settings.append(('marker_field_' + name, '1'))
value_settings.append(('field_' + name + '_novalidate', '1'))
if field.meta_type == 'ReferenceField':
content = self.context.get_content()
content_path = '/'.join(content.getPhysicalPath())
to_identifier = getUtility(IIntIds).register
def resolve_location(location):
url, target, fragment = resolve_path(
location, content_path, content, 'code source')
if target is not None:
value_settings.append(
('field_' + name,
str(to_identifier(target))))
is_multiple = field.get_value('multiple')
if is_multiple:
map(resolve_location, value.split(','))
else:
resolve_location(value)
else:
parameter_type = parameters_type.get(name)
if (field.meta_type == 'CheckBoxField' or
parameter_type == 'boolean' or
isinstance(value, bool)):
if value in (True, u'1', u'True'):
value = u'1'
else:
# False boolean are not included in the settings.
return
if parameter_type == 'list' or isinstance(value, list):
if isinstance(value, basestring):
value = eval(value)
for item in value:
value_settings.append(
('field_' + name,
unicode(item).encode('utf-8')),)
else:
value_settings.append(
('field_' + name,
unicode(value).encode('utf-8')),)
if source.parameters is not None:
# Convert actual stored value
for name, value in parameters.items():
try:
convert_parameter(name, value)
seen_fields.add(name)
except AttributeError:
logger.error(
u"Parameter %s missing in source %s." % (
name, id))
# For any field that was not seen, add the (required)
# default value
for field in source.parameters.get_fields():
if field.id not in seen_fields:
default_value = field.get_value('default')
if default_value is not None:
logger.warn(
u"Using default for parameter %s in source %s." % (
field.id, id))
convert_parameter(field.id, default_value)
attributes['settings'] = urllib.urlencode(value_settings)
self.startElementNS(NS_DOCUMENT_URI, node.nodeName, attributes)
if not options.upgrade30:
# We don't need to include anything inside a code for the
# upgrade, and don't need to render it.
# Collect parameters
for child in node.childNodes:
if child.nodeName == 'parameter':
attributes = {'key': child.attributes['key'].value}
param_type = child.attributes.get('type')
if param_type:
attributes['type'] = param_type.value
self.startElementNS(NS_DOCUMENT_URI, 'parameter', attributes)
for grandChild in child.childNodes:
if grandChild.nodeType == Node.TEXT_NODE:
if grandChild.nodeValue:
self.handler.characters(grandChild.nodeValue)
self.endElementNS(NS_DOCUMENT_URI, 'parameter')
# Render source if needed
if options.external_rendering:
request = self.getExported().request
try:
html = source.to_html(self.context, request, **parameters)
except Exception, error:
source_error("error message: " + str(error))
return
if not html:
source_error("error message: the source returned no output.")
return
self.render_html(html)
id = request.get('id')
if id is None:
# no id nor params saved.
removeParameterElements(node)
node.removeAttribute('id')
return
if node.getAttribute('id') != id:
# is changed, so remove all attrs.
node.setAttribute('id', ustr(id))
# Use Document's context. If not, the complete widgets hierarchy comes
# in play and weird acquisition magic may cause 'source' to be a widget
# whenever the source object has a widget's id.
doc = node.get_silva_object()
source = getSourceForId(doc, id)
if source is None:
# should not happen since id was selected from a list...
# or should we silently ignore this?
raise ValueError, _('Source is a NoneType - is it not available anymore?')
form = source.form()
try:
result = form.validate_all_to_request(request)
except (FormValidationError, ValidationError), errs:
pass
else:
removeParameterElements(node)
for field in form.get_fields():
param = node.createElement('parameter')
param.setAttribute('key', ustr(field.id))
