def write_update_map(item_name, request_id, issnapshot, events_map):
"""Encodes and returns a UD3 ('Update By Map') response."""
update = join(str(Method.UD3),
'S', enc_str(item_name),
'S', enc_str(request_id),
'B', enc_bool(issnapshot),
append_separator=events_map)
if events_map:
tokens = [join('S', enc_str(field), _encode_value(value))
for field, value in list(events_map.items())]
return update + "|".join(tokens)
else:
return update
def write_get_items(items=None, exception=None):
"""Encodes and returns a GIS ('Get Items') response."""
method = str(Method.GIS)
if exception:
return _handle_exception(exception, join(method, 'E'), ItemsError)
if items:
return join(method, 'S|') + '|S|'.join(
[enc_str(item_name) for item_name in items])
return join(method)
def _encode_value(value):
"""Encodes a value passed in an update map to be write in ad UD3 response.
"""
if value is None or isinstance(value, str):
return "S|" + enc_str(value)
if isinstance(value, bytes):
return "Y|" + enc_byte(value)
raise RemotingException("Found value '{}' of an unsupported type while "
"building a {} request".format(
str(value), str(Method.UD3)))
def write_get_schema(fields=None, exception=None):
"""Encodes and returns a GSC ('Get Items') response."""
method = str(Method.GSC)
if exception:
return _handle_exception(exception, join(method, 'E'), ItemsError,
SchemaError)
if fields:
return join(method, 'S|') + '|S|'.join(
[enc_str(field) for field in fields])
return join(method)
def write_failure(exception):
"""Encodes and returns a FAL ('Failure') response string."""
return join(str(Method.FAL), 'E', enc_str(str(exception)))
def write_cls(item, request_id):
"""Encodes and returns a CLS ('Clear Snapshot') response string."""
return join(str(Method.CLS), "S", enc_str(item), "S", enc_str(request_id))
def write_eos(item, request_id):
"""Encodes and returns an EOS ('End Of Snapshot') response."""
return join(str(Method.EOS), "S", enc_str(item), "S", enc_str(request_id))
