mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-16 10:00:39 +00:00
301 lines
7.6 KiB
Python
301 lines
7.6 KiB
Python
from collections import defaultdict, deque
|
|
import itertools
|
|
import pprint
|
|
import textwrap
|
|
|
|
import attr
|
|
|
|
from jsonschema import _utils
|
|
from jsonschema.compat import PY3, iteritems
|
|
|
|
|
|
WEAK_MATCHES = frozenset(["anyOf", "oneOf"])
|
|
STRONG_MATCHES = frozenset()
|
|
|
|
_unset = _utils.Unset()
|
|
|
|
|
|
class _Error(Exception):
|
|
def __init__(
|
|
self,
|
|
message,
|
|
validator=_unset,
|
|
path=(),
|
|
cause=None,
|
|
context=(),
|
|
validator_value=_unset,
|
|
instance=_unset,
|
|
schema=_unset,
|
|
schema_path=(),
|
|
parent=None,
|
|
):
|
|
super(_Error, self).__init__(
|
|
message,
|
|
validator,
|
|
path,
|
|
cause,
|
|
context,
|
|
validator_value,
|
|
instance,
|
|
schema,
|
|
schema_path,
|
|
parent,
|
|
)
|
|
self.message = message
|
|
self.path = self.relative_path = deque(path)
|
|
self.schema_path = self.relative_schema_path = deque(schema_path)
|
|
self.context = list(context)
|
|
self.cause = self.__cause__ = cause
|
|
self.validator = validator
|
|
self.validator_value = validator_value
|
|
self.instance = instance
|
|
self.schema = schema
|
|
self.parent = parent
|
|
|
|
for error in context:
|
|
error.parent = self
|
|
|
|
def __repr__(self):
|
|
return "<%s: %r>" % (self.__class__.__name__, self.message)
|
|
|
|
def __unicode__(self):
|
|
essential_for_verbose = (
|
|
self.validator, self.validator_value, self.instance, self.schema,
|
|
)
|
|
if any(m is _unset for m in essential_for_verbose):
|
|
return self.message
|
|
|
|
pschema = pprint.pformat(self.schema, width=72)
|
|
pinstance = pprint.pformat(self.instance, width=72)
|
|
return self.message + textwrap.dedent("""
|
|
|
|
Failed validating %r in %s%s:
|
|
%s
|
|
|
|
On %s%s:
|
|
%s
|
|
""".rstrip()
|
|
) % (
|
|
self.validator,
|
|
self._word_for_schema_in_error_message,
|
|
_utils.format_as_index(list(self.relative_schema_path)[:-1]),
|
|
_utils.indent(pschema),
|
|
self._word_for_instance_in_error_message,
|
|
_utils.format_as_index(self.relative_path),
|
|
_utils.indent(pinstance),
|
|
)
|
|
|
|
if PY3:
|
|
__str__ = __unicode__
|
|
else:
|
|
def __str__(self):
|
|
return unicode(self).encode("utf-8")
|
|
|
|
@classmethod
|
|
def create_from(cls, other):
|
|
return cls(**other._contents())
|
|
|
|
@property
|
|
def absolute_path(self):
|
|
parent = self.parent
|
|
if parent is None:
|
|
return self.relative_path
|
|
|
|
path = deque(self.relative_path)
|
|
path.extendleft(reversed(parent.absolute_path))
|
|
return path
|
|
|
|
@property
|
|
def absolute_schema_path(self):
|
|
parent = self.parent
|
|
if parent is None:
|
|
return self.relative_schema_path
|
|
|
|
path = deque(self.relative_schema_path)
|
|
path.extendleft(reversed(parent.absolute_schema_path))
|
|
return path
|
|
|
|
def _set(self, **kwargs):
|
|
for k, v in iteritems(kwargs):
|
|
if getattr(self, k) is _unset:
|
|
setattr(self, k, v)
|
|
|
|
def _contents(self):
|
|
attrs = (
|
|
"message", "cause", "context", "validator", "validator_value",
|
|
"path", "schema_path", "instance", "schema", "parent",
|
|
)
|
|
return dict((attr, getattr(self, attr)) for attr in attrs)
|
|
|
|
|
|
class ValidationError(_Error):
|
|
_word_for_schema_in_error_message = "schema"
|
|
_word_for_instance_in_error_message = "instance"
|
|
|
|
|
|
class SchemaError(_Error):
|
|
_word_for_schema_in_error_message = "metaschema"
|
|
_word_for_instance_in_error_message = "schema"
|
|
|
|
|
|
@attr.s(hash=True)
|
|
class RefResolutionError(Exception):
|
|
|
|
_cause = attr.ib()
|
|
|
|
def __str__(self):
|
|
return str(self._cause)
|
|
|
|
|
|
class UndefinedTypeCheck(Exception):
|
|
def __init__(self, type):
|
|
self.type = type
|
|
|
|
def __unicode__(self):
|
|
return "Type %r is unknown to this type checker" % self.type
|
|
|
|
if PY3:
|
|
__str__ = __unicode__
|
|
else:
|
|
def __str__(self):
|
|
return unicode(self).encode("utf-8")
|
|
|
|
|
|
class UnknownType(Exception):
|
|
def __init__(self, type, instance, schema):
|
|
self.type = type
|
|
self.instance = instance
|
|
self.schema = schema
|
|
|
|
def __unicode__(self):
|
|
pschema = pprint.pformat(self.schema, width=72)
|
|
pinstance = pprint.pformat(self.instance, width=72)
|
|
return textwrap.dedent("""
|
|
Unknown type %r for validator with schema:
|
|
%s
|
|
|
|
While checking instance:
|
|
%s
|
|
""".rstrip()
|
|
) % (self.type, _utils.indent(pschema), _utils.indent(pinstance))
|
|
|
|
if PY3:
|
|
__str__ = __unicode__
|
|
else:
|
|
def __str__(self):
|
|
return unicode(self).encode("utf-8")
|
|
|
|
|
|
class FormatError(Exception):
|
|
def __init__(self, message, cause=None):
|
|
super(FormatError, self).__init__(message, cause)
|
|
self.message = message
|
|
self.cause = self.__cause__ = cause
|
|
|
|
def __unicode__(self):
|
|
return self.message
|
|
|
|
if PY3:
|
|
__str__ = __unicode__
|
|
else:
|
|
def __str__(self):
|
|
return self.message.encode("utf-8")
|
|
|
|
|
|
class ErrorTree(object):
|
|
"""
|
|
ErrorTrees make it easier to check which validations failed.
|
|
|
|
"""
|
|
|
|
_instance = _unset
|
|
|
|
def __init__(self, errors=()):
|
|
self.errors = {}
|
|
self._contents = defaultdict(self.__class__)
|
|
|
|
for error in errors:
|
|
container = self
|
|
for element in error.path:
|
|
container = container[element]
|
|
container.errors[error.validator] = error
|
|
|
|
container._instance = error.instance
|
|
|
|
def __contains__(self, index):
|
|
"""
|
|
Check whether ``instance[index]`` has any errors.
|
|
|
|
"""
|
|
|
|
return index in self._contents
|
|
|
|
def __getitem__(self, index):
|
|
"""
|
|
Retrieve the child tree one level down at the given ``index``.
|
|
|
|
If the index is not in the instance that this tree corresponds to and
|
|
is not known by this tree, whatever error would be raised by
|
|
``instance.__getitem__`` will be propagated (usually this is some
|
|
subclass of `exceptions.LookupError`.
|
|
|
|
"""
|
|
|
|
if self._instance is not _unset and index not in self:
|
|
self._instance[index]
|
|
return self._contents[index]
|
|
|
|
def __setitem__(self, index, value):
|
|
self._contents[index] = value
|
|
|
|
def __iter__(self):
|
|
"""
|
|
Iterate (non-recursively) over the indices in the instance with errors.
|
|
|
|
"""
|
|
|
|
return iter(self._contents)
|
|
|
|
def __len__(self):
|
|
"""
|
|
Same as `total_errors`.
|
|
|
|
"""
|
|
|
|
return self.total_errors
|
|
|
|
def __repr__(self):
|
|
return "<%s (%s total errors)>" % (self.__class__.__name__, len(self))
|
|
|
|
@property
|
|
def total_errors(self):
|
|
"""
|
|
The total number of errors in the entire tree, including children.
|
|
|
|
"""
|
|
|
|
child_errors = sum(len(tree) for _, tree in iteritems(self._contents))
|
|
return len(self.errors) + child_errors
|
|
|
|
|
|
def by_relevance(weak=WEAK_MATCHES, strong=STRONG_MATCHES):
|
|
def relevance(error):
|
|
validator = error.validator
|
|
return -len(error.path), validator not in weak, validator in strong
|
|
return relevance
|
|
|
|
|
|
relevance = by_relevance()
|
|
|
|
|
|
def best_match(errors, key=relevance):
|
|
errors = iter(errors)
|
|
best = next(errors, None)
|
|
if best is None:
|
|
return
|
|
best = max(itertools.chain([best], errors), key=key)
|
|
|
|
while best.context:
|
|
best = min(best.context, key=key)
|
|
return best
|