def format_atom(request, results):
if len(results)==0: #FIXME
return
className = entityFactory.getClassName_fromInstance(results[0], False)
classFullname = entityFactory.getClassName_fromInstance(results[0], True)
atom_document = atom.data.Feed(
title = atom.data.Title(className, type='text'),
id = atom.data.Id(urllib.unquote(request.url)),
link = [atom.data.Link(rel='self', title=className, href=className)]
)
# atom_document.updated = atom.data.Updated(atom.data.Date(text=datetime.datetime.now().isoformat()))
# the following 2 lines will help reduce the size of the response
atom_document.attributes['{%s}dummy_atribute'%core.EDMX_METADATA_NAMESPACE] = 'x'
atom_document.attributes['{%s}dummy_atribute'%core.ODATA_SERVICES_NAMESPACE] = 'x'
for o in results:
atom_document.entry.append(core.build_atom_for_entity(o, request.application_url))
return atom_document
def format_atom(request, results):
if len(results) == 0: #FIXME
return
className = entityFactory.getClassName_fromInstance(results[0], False)
classFullname = entityFactory.getClassName_fromInstance(results[0], True)
atom_document = atom.data.Feed(
title=atom.data.Title(className, type='text'),
id=atom.data.Id(urllib.unquote(request.url)),
link=[atom.data.Link(rel='self', title=className, href=className)])
# atom_document.updated = atom.data.Updated(atom.data.Date(text=datetime.datetime.now().isoformat()))
# the following 2 lines will help reduce the size of the response
atom_document.attributes['{%s}dummy_atribute' %
core.EDMX_METADATA_NAMESPACE] = 'x'
atom_document.attributes['{%s}dummy_atribute' %
core.ODATA_SERVICES_NAMESPACE] = 'x'
for o in results:
atom_document.entry.append(
core.build_atom_for_entity(o, request.application_url))
return atom_document
def build_atom_for_entity(o, application_url):
class_name = entityFactory.getClassName_fromInstance(o, False)
class_fullname = entityFactory.getClassName_fromInstance(o, True)
entry_key = o.key()
properties = atom.data.ExtensionElement(tag="properties", namespace=EDMX_METADATA_NAMESPACE)
# add field key
prop = atom.core.XmlElement(text=str(entry_key))
prop.tag = "key"
prop.namespace = ODATA_SERVICES_NAMESPACE
prop.attributes["{%s}type" % EDMX_METADATA_NAMESPACE] = TYPE_MAPPING[db.StringProperty]
properties.extension_elements.append(prop)
# add field key_name
prop = atom.core.XmlElement(text=str(entry_key.name()))
prop.tag = "key_name"
prop.namespace = ODATA_SERVICES_NAMESPACE
prop.attributes["{%s}type" % EDMX_METADATA_NAMESPACE] = TYPE_MAPPING[db.StringProperty]
properties.extension_elements.append(prop)
entry = atom.data.Entry(
id=atom.data.Id(text="%s/%s/%s('%s')" % (application_url, BASE_SVC_URL, class_name, entry_key)),
link=[atom.data.Link(rel="edit", title=class_name, href="%s('%s')" % (class_name, o.key()))],
category=[
atom.data.Category(
term=class_fullname, scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme"
)
],
content=atom.data.Content(type="application/xml"),
)
# add other fields
for field in o.fields():
value = getattr(o, field)
prop = atom.core.XmlElement()
prop.tag = field
prop.namespace = ODATA_SERVICES_NAMESPACE
if value == None:
prop.attributes[
"{%s}null" % EDMX_METADATA_NAMESPACE
] = "true" # atom.core.XmlAttribute(EDMX_METADATA_NAMESPACE, 'null'))
else:
field_class = o.fields()[field].__class__
if field_class == db.ReferenceProperty:
ref_class = o.fields()[field].reference_class.__name__
entry.link.append(
atom.data.Link(
rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/%s" % ref_class,
type="application/atom+xml;type=entry",
title=ref_class,
href="%s('%s')" % (ref_class, value.key()),
)
)
field_class = db.StringProperty
value = str(value.key())
prop.tag = prop.tag + "__key__"
elif field_class == db.StringListProperty: # FIXME
value = ",".join(value)
prop.attributes["{%s}type" % EDMX_METADATA_NAMESPACE] = TYPE_MAPPING[field_class]
prop.text = TYPE_TRANSFORM_FUNCTIONS[value.__class__](value) # unicode(value)
properties.extension_elements.append(prop)
entry.content.extension_elements = [properties]
return entry
def build_atom_for_entity(o, application_url):
class_name = entityFactory.getClassName_fromInstance(o, False)
class_fullname = entityFactory.getClassName_fromInstance(o, True)
entry_key = o.key()
properties = atom.data.ExtensionElement(tag='properties',
namespace=EDMX_METADATA_NAMESPACE)
# add field key
prop = atom.core.XmlElement(text=str(entry_key))
prop.tag = 'key'
prop.namespace = ODATA_SERVICES_NAMESPACE
prop.attributes['{%s}type' %
EDMX_METADATA_NAMESPACE] = TYPE_MAPPING[db.StringProperty]
properties.extension_elements.append(prop)
# add field key_name
prop = atom.core.XmlElement(text=str(entry_key.name()))
prop.tag = 'key_name'
prop.namespace = ODATA_SERVICES_NAMESPACE
prop.attributes['{%s}type' %
EDMX_METADATA_NAMESPACE] = TYPE_MAPPING[db.StringProperty]
properties.extension_elements.append(prop)
entry = atom.data.Entry(
id=atom.data.Id(
text="%s/%s/%s('%s')" %
(application_url, BASE_SVC_URL, class_name, entry_key)),
link=[
atom.data.Link(rel='edit',
title=class_name,
href="%s('%s')" % (class_name, o.key()))
],
category=[
atom.data.Category(
term=class_fullname,
scheme=
"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme")
],
content=atom.data.Content(type='application/xml'))
# add other fields
for field in o.fields():
value = getattr(o, field)
prop = atom.core.XmlElement()
prop.tag = field
prop.namespace = ODATA_SERVICES_NAMESPACE
if value == None:
prop.attributes[
'{%s}null' %
EDMX_METADATA_NAMESPACE] = 'true' #atom.core.XmlAttribute(EDMX_METADATA_NAMESPACE, 'null'))
else:
field_class = o.fields()[field].__class__
if field_class == db.ReferenceProperty:
ref_class = o.fields()[field].reference_class.__name__
entry.link.append(
atom.data.Link(
rel=
'http://schemas.microsoft.com/ado/2007/08/dataservices/related/%s'
% ref_class,
type='application/atom+xml;type=entry',
title=ref_class,
href="%s('%s')" % (ref_class, value.key())))
field_class = db.StringProperty
value = str(value.key())
prop.tag = prop.tag + '__key__'
elif field_class == db.StringListProperty: #FIXME
value = ','.join(value)
prop.attributes[
'{%s}type' %
EDMX_METADATA_NAMESPACE] = TYPE_MAPPING[field_class]
prop.text = TYPE_TRANSFORM_FUNCTIONS[value.__class__](
value) #unicode(value)
properties.extension_elements.append(prop)
entry.content.extension_elements = [properties]
return entry
