Commit 8cc77e18 authored by Tomas Krizek's avatar Tomas Krizek

dataformat: DataMismatch - convert non str/list values

Related knot/resolver-benchmarking#33
parent 54edfc0f
......@@ -3,12 +3,13 @@
import collections
import json
import logging
from typing import ( # noqa
Any, Callable, Dict, Hashable, ItemsView, Iterator, KeysView, Mapping,
Optional, Set, Sequence, Tuple, Type, Union)
MismatchValue = Union[str, Sequence[str]]
# replace Any with 'MismatchValue' once nested types are supported with mypy
MismatchValue = Union[str, Sequence[Any]]
QID = int
WireFormat = bytes
FieldLabel = str
......@@ -24,6 +25,19 @@ class Reply:
class DataMismatch(Exception):
def __init__(self, exp_val: MismatchValue, got_val: MismatchValue) -> None:
def convert_val_type(val: Any) -> MismatchValue:
if isinstance(val, str):
return val
if isinstance(val,
return [convert_val_type(item) for item in val]
'DataMismatch: unknown value type (%s), casting to str', type(val),
return str(val)
exp_val = convert_val_type(exp_val)
got_val = convert_val_type(got_val)
super(DataMismatch, self).__init__(exp_val, got_val)
if exp_val == got_val:
raise RuntimeError("exp_val == got_val ({})".format(exp_val))
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