FM / warlock

/usr/lib/python2.6/site-packages/warlock/

/usr/lib/python2.6/site-packages/warlock

Name	Size	Mode	Actions
core.py	1094	0644	edit dl rm
core.pyc	1114	0644	edit dl rm
exceptions.py	711	0644	edit dl rm
exceptions.pyc	625	0644	edit dl rm
model.py	3998	0644	edit dl rm
model.pyc	5381	0644	edit dl rm
__init__.py	721	0644	edit dl rm
__init__.pyc	327	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/warlock/model.py (3998B)

# Copyright 2012 Brian Waldon
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Self-validating model for arbitrary objects"""

import copy
import warnings

import jsonpatch
import jsonschema
import six

from . import exceptions

class Model(dict):
    def __init__(self, *args, **kwargs):
        # we overload setattr so set this manually
        d = dict(*args, **kwargs)

try:
            self.validate(d)
        except exceptions.ValidationError as exc:
            raise ValueError(str(exc))
        else:
            dict.__init__(self, d)

self.__dict__['changes'] = {}
        self.__dict__['__original__'] = copy.deepcopy(d)

def __setitem__(self, key, value):
        mutation = dict(self.items())
        mutation[key] = value
        try:
            self.validate(mutation)
        except exceptions.ValidationError as exc:
            msg = ("Unable to set '%s' to '%s'. Reason: %s"
                   % (key, value, str(exc)))
            raise exceptions.InvalidOperation(msg)

dict.__setitem__(self, key, value)

self.__dict__['changes'][key] = value

def __delitem__(self, key):
        mutation = dict(self.items())
        del mutation[key]
        try:
            self.validate(mutation)
        except exceptions.ValidationError as exc:
            msg = ("Unable to delete attribute '%s'. Reason: %s"
                   % (key, str(exc)))
            raise exceptions.InvalidOperation(msg)

dict.__delitem__(self, key)

def __getattr__(self, key):
        try:
            return self.__getitem__(key)
        except KeyError:
            raise AttributeError(key)

def __setattr__(self, key, value):
        self.__setitem__(key, value)

def __delattr__(self, key):
        self.__delitem__(key)

### BEGIN dict compatibility methods ###

def clear(self):
        raise exceptions.InvalidOperation()

def pop(self, key, default=None):
        raise exceptions.InvalidOperation()

def popitem(self):
        raise exceptions.InvalidOperation()

def copy(self):
        return copy.deepcopy(dict(self))

def update(self, other):
        mutation = dict(self.items())
        mutation.update(other)
        try:
            self.validate(mutation)
        except exceptions.ValidationError as exc:
            raise exceptions.InvalidOperation(str(exc))
        dict.update(self, other)

def iteritems(self):
        return six.iteritems(copy.deepcopy(dict(self)))

def items(self):
        return copy.deepcopy(dict(self)).items()

def itervalues(self):
        return six.itervalues(copy.deepcopy(dict(self)))

def values(self):
        return copy.deepcopy(dict(self)).values()

### END dict compatibility methods ###

@property
    def patch(self):
        """Return a jsonpatch object representing the delta"""
        original = self.__dict__['__original__']
        return jsonpatch.make_patch(original, dict(self)).to_string()

@property
    def changes(self):
        """Dumber version of 'patch' method"""
        deprecation_msg = 'Model.changes will be removed in warlock v2'
        warnings.warn(deprecation_msg, DeprecationWarning, stacklevel=2)
        return copy.deepcopy(self.__dict__['changes'])

def validate(self, obj):
        """Apply a JSON schema to an object"""
        try:
            jsonschema.validate(obj, self.schema)
        except jsonschema.ValidationError as exc:
            raise exceptions.ValidationError(str(exc))

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