diff options
Diffstat (limited to 'jsonschema/exceptions.py')
| -rw-r--r-- | jsonschema/exceptions.py | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/jsonschema/exceptions.py b/jsonschema/exceptions.py index fe592e2..5c52f41 100644 --- a/jsonschema/exceptions.py +++ b/jsonschema/exceptions.py @@ -1,4 +1,5 @@ import collections +import itertools import pprint import textwrap @@ -24,6 +25,11 @@ class _Error(Exception): self.instance = instance self.schema = schema + def __eq__(self, other): + if not isinstance(other, self.__class__): + return NotImplemented + return self._contents() == other._contents() + def __lt__(self, other): if not isinstance(other, self.__class__): # On Py2 Python will "helpfully" make this succeed. So be more @@ -36,7 +42,14 @@ class _Error(Exception): ) raise TypeError(message) return NotImplemented - return self.path < other.path + + is_deeper = len(self.path) > len(other.path) + is_weak_matcher = self.validator in ("anyOf", "oneOf") + other_is_weak_matcher = other.validator in ("anyOf", "oneOf") + return is_deeper or is_weak_matcher > other_is_weak_matcher + + def __ne__(self, other): + return not self == other def __repr__(self): return "<%s: %r>" % (self.__class__.__name__, self.message) @@ -93,6 +106,14 @@ class _Error(Exception): if getattr(self, k) is _unset: setattr(self, k, v) + def _contents(self): + return dict( + (attr, getattr(self, attr)) for attr in ( + "message", "cause", "context", "path", "schema_path", + "validator", "validator_value", "instance", "schema" + ) + ) + class ValidationError(_Error): pass @@ -146,3 +167,13 @@ class FormatError(Exception): if PY3: __str__ = __unicode__ + + +def best_match(errors): + first = next(iter(errors), None) + if first is None: + return + best = max(itertools.chain([first], errors)) + while best.context: + best = min(best.context) + return best |