def rocket_to_ae(field_type, rocket_value):
if not rocket_value:
ae_value = None
elif field_type == TYPE_DATETIME or field_type == TYPE_TIMESTAMP:
ae_value = utils.from_iso(rocket_value)
elif field_type == TYPE_BOOL:
ae_value = bool(int(rocket_value))
elif field_type == TYPE_LONG:
ae_value = long(rocket_value)
elif field_type == TYPE_FLOAT:
ae_value = float(rocket_value)
elif field_type == TYPE_INT:
ae_value = int(rocket_value)
elif field_type == TYPE_TEXT:
ae_value = datastore_types.Text(rocket_value.replace('|','|'))
elif field_type == TYPE_REFERENCE:
slash = rocket_value.find("/")
if slash > 0:
kind = rocket_value[:slash]
key_name_or_id = rocket_value[slash + 1:]
if key_name_or_id[0] in "0123456789":
key_name_or_id = int(key_name_or_id)
ae_value = datastore.Key.from_path(kind, key_name_or_id)
else:
logging.error("invalid reference value: %s" % rocket_value)
ae_value = None
elif field_type == TYPE_BLOB:
ae_value = datastore_types.Blob(base64.b64decode(rocket_value))
else: #str
ae_value = (u"%s" % rocket_value).replace('|','|')
return ae_value
def get(self):
path = self.request.path.split("/")
self.response.headers['Content-Type'] = 'text/xml'
if self.request.get("secret_key") != SECRET_KEY:
self.response.out.write(u'<error>Unauthorized</error>\n')
return
if len(path) < 3 or path[2] == '':
self.response.out.write(u'<error>Please specify an entity kind</error>\n')
return
kind = path[2]
self.response.out.write(u'<?xml version="1.0" encoding="UTF-8"?>\n')
self.response.out.write(u'<updates>\n')
query = datastore.Query(kind)
timestamp_field = self.request.get("timestamp")
if not timestamp_field:
timestamp_field = DEFAULT_TIMESTAMP_FIELD
batch_size = self.request.get("count")
if not batch_size:
batch_size = DEFAULT_BATCH_SIZE
else:
batch_size = int(batch_size)
f = self.request.get("from")
if f:
query['%s >' % timestamp_field] = utils.from_iso(f)
query.Order(timestamp_field)
entities = query.Get(batch_size, 0)
for entity in entities:
self.response.out.write(u' <%s key="%s">\n' % (kind, ae_to_rocket(TYPE_KEY, entity.key())))
for field, value in entity.items():
if isinstance(value, list):
if len(value) > 0 and value[0] != None:
field_type = get_type(value[0])
self.response.out.write(u' <%s type="%s" list="true">\n' % (field, field_type))
for item in value:
self.response.out.write(u" <item>%s</item>\n" % ae_to_rocket(field_type, item))
self.response.out.write(u'</%s>\n' % field)
else:
if value != None:
if field == timestamp_field:
field_type = TYPE_TIMESTAMP
else:
field_type = get_type(value)
self.response.out.write(u' <%s type="%s">%s</%s>\n' % (field, field_type, ae_to_rocket(field_type, value), field))
self.response.out.write(u' </%s>\n' % kind)
self.response.out.write(u'</updates>')
