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Build # 475

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Pull #167

travis-ci

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web-flow

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Pull Request Pull Request #167: Support monogengine field enum

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/graphene_mongo/fields.py

from __future__ import absolute_import

from collections import OrderedDict
from functools import partial, reduce

import graphene
import mongoengine
from bson import DBRef
from graphene import Context
from graphene.types.utils import get_type
from graphene.utils.str_converters import to_snake_case
from graphql import ResolveInfo
from mongoengine.base import get_document
from promise import Promise
from graphql_relay import from_global_id
from graphene.relay import ConnectionField
from graphene.types.argument import to_arguments
from graphene.types.dynamic import Dynamic
from graphene.types.structures import Structure
from graphql_relay.connection.arrayconnection import cursor_to_offset
from mongoengine import QuerySet

from .advanced_types import (
    FileFieldType,
    PointFieldType,
    MultiPolygonFieldType,
    PolygonFieldType, PointFieldInputType,
)
from .converter import convert_mongoengine_field, MongoEngineConversionError
from .registry import get_global_registry
from .utils import get_model_reference_fields, get_query_fields, find_skip_and_limit, \
    connection_from_iterables


class MongoengineConnectionField(ConnectionField):
    def __init__(self, type, *args, **kwargs):
        get_queryset = kwargs.pop("get_queryset", None)
        if get_queryset:
            assert callable(
                get_queryset
            ), "Attribute `get_queryset` on {} must be callable.".format(self)
        self._get_queryset = get_queryset
        super(MongoengineConnectionField, self).__init__(type, *args, **kwargs)

    @property
    def type(self):
        from .types import GrapheneMongoengineObjectTypes

        _type = super(ConnectionField, self).type
        assert issubclass(
            _type, GrapheneMongoengineObjectTypes
        ), "MongoengineConnectionField only accepts Mongoengine object types"
        assert _type._meta.connection, "The type {} doesn't have a connection".format(
            _type.__name__
        )
        return _type._meta.connection

    @property
    def node_type(self):
        return self.type._meta.node

    @property
    def model(self):
        return self.node_type._meta.model

    @property
    def order_by(self):
        return self.node_type._meta.order_by

    @property
    def required_fields(self):
        return tuple(set(self.node_type._meta.required_fields + self.node_type._meta.only_fields))

    @property
    def registry(self):
        return getattr(self.node_type._meta, "registry", get_global_registry())

    @property
    def args(self):
        return to_arguments(
            self._base_args or OrderedDict(),
            dict(dict(self.field_args, **self.advance_args), **self.filter_args),
        )

    @args.setter
    def args(self, args):
        self._base_args = args

    def _field_args(self, items):
        def is_filterable(k):
            """
            Remove complex columns from input args at this moment.

            Args:
                k (str): field name.
            Returns:
                bool
            """

            if not hasattr(self.model, k):
                return False
            if isinstance(getattr(self.model, k), property):
                return False
            try:
                converted = convert_mongoengine_field(
                    getattr(self.model, k), self.registry
                )
            except MongoEngineConversionError:
                return False
            if isinstance(converted, (ConnectionField, Dynamic)):
                return False
            if callable(getattr(converted, "type", None)) and isinstance(
                    converted.type(),
                    (
                            FileFieldType,
                            PointFieldType,
                            MultiPolygonFieldType,
                            graphene.Union,
                            PolygonFieldType,
                    ),
            ):
                return False
            if getattr(converted, "type", None) and getattr(converted.type, "_of_type", None) and issubclass(
                    (get_type(converted.type.of_type)), graphene.Union):
                return False
            if isinstance(converted, (graphene.List)) and issubclass(
                    getattr(converted, "_of_type", None), graphene.Union
            ):
                return False
            return True

        def get_filter_type(_type):
            """
            Returns the scalar type.
            """
            if isinstance(_type, Structure):
                return get_filter_type(_type.of_type)
            return _type()

        return {k: get_filter_type(v.type) for k, v in items if is_filterable(k)}

    @property
    def field_args(self):
        return self._field_args(self.fields.items())

    @property
    def filter_args(self):
        filter_args = dict()
        if self._type._meta.filter_fields:
            for field, filter_collection in self._type._meta.filter_fields.items():
                for each in filter_collection:
                    if str(self._type._meta.fields[field].type) == 'PointFieldType':
                        if each == 'max_distance':
                            filter_type = graphene.Int
                        else:
                            filter_type = PointFieldInputType
                    else:
                        filter_type = getattr(
                            graphene,
                            str(self._type._meta.fields[field].type).replace("!", ""),
                        )
                    # handle special cases
                    advanced_filter_types = {
                        "in": graphene.List(filter_type),
                        "nin": graphene.List(filter_type),
                        "all": graphene.List(filter_type),
                    }
                    filter_type = advanced_filter_types.get(each, filter_type)
                    filter_args[field + "__" + each] = graphene.Argument(
                        type=filter_type
                    )
        return filter_args

    @property
    def advance_args(self):
        def get_advance_field(r, kv):
            field = kv[1]
            mongo_field = getattr(self.model, kv[0], None)
            if isinstance(mongo_field, mongoengine.PointField):
                r.update({kv[0]: graphene.Argument(PointFieldInputType)})
                return r
            if isinstance(
                    mongo_field,
                    (mongoengine.LazyReferenceField, mongoengine.ReferenceField, mongoengine.GenericReferenceField),
            ):
                r.update({kv[0]: graphene.ID()})
                return r
            if isinstance(mongo_field, mongoengine.GenericReferenceField):
                r.update({kv[0]: graphene.ID()})
                return r
            if callable(getattr(field, "get_type", None)):
                _type = field.get_type()
                if _type:
                    node = _type.type._meta if hasattr(_type.type, "_meta") else _type.type._of_type._meta
                    if "id" in node.fields and not issubclass(
                            node.model, (mongoengine.EmbeddedDocument,)
                    ):
                        r.update({kv[0]: node.fields["id"]._type.of_type()})

            return r

        return reduce(get_advance_field, self.fields.items(), {})

    @property
    def fields(self):
        self._type = get_type(self._type)
        return self._type._meta.fields

    def get_queryset(self, model, info, required_fields=list(), skip=None, limit=None, reversed=False, **args):
        if args:
            reference_fields = get_model_reference_fields(self.model)
            hydrated_references = {}
            for arg_name, arg in args.copy().items():
                if arg_name in reference_fields and not isinstance(arg,
                                                                   mongoengine.base.metaclasses.TopLevelDocumentMetaclass):
                    try:
                        reference_obj = reference_fields[arg_name].document_type(pk=from_global_id(arg)[1])
                    except TypeError:
                        reference_obj = reference_fields[arg_name].document_type(pk=arg)
                    hydrated_references[arg_name] = reference_obj
                elif arg_name in self.model._fields_ordered and isinstance(getattr(self.model, arg_name),
                                                                           mongoengine.fields.GenericReferenceField):
                    try:
                        reference_obj = get_document(self.registry._registry_string_map[from_global_id(arg)[0]])(
                            pk=from_global_id(arg)[1])
                    except TypeError:
                        reference_obj = get_document(arg["_cls"])(
                            pk=arg["_ref"].id)
                    hydrated_references[arg_name] = reference_obj
                elif '__near' in arg_name and isinstance(getattr(self.model, arg_name.split('__')[0]),
                                                         mongoengine.fields.PointField):
                    location = args.pop(arg_name, None)
                    hydrated_references[arg_name] = location["coordinates"]
                    if (arg_name.split('__')[0] + "__max_distance") not in args:
                        hydrated_references[arg_name.split('__')[0] + "__max_distance"] = 10000
                elif arg_name == "id":
                    hydrated_references["id"] = from_global_id(args.pop("id", None))[1]
            args.update(hydrated_references)

        if self._get_queryset:
            queryset_or_filters = self._get_queryset(model, info, **args)
            if isinstance(queryset_or_filters, mongoengine.QuerySet):
                return queryset_or_filters
            else:
                args.update(queryset_or_filters)
        if limit is not None:
            if reversed:
                if self.order_by:
                    order_by = self.order_by + ",-pk"
                else:
                    order_by = "-pk"
                return model.objects(**args).no_dereference().only(*required_fields).order_by(order_by).skip(
                    skip if skip else 0).limit(limit)
            else:
                return model.objects(**args).no_dereference().only(*required_fields).order_by(self.order_by).skip(
                    skip if skip else 0).limit(limit)
        elif skip is not None:
            if reversed:
                if self.order_by:
                    order_by = self.order_by + ",-pk"
                else:
                    order_by = "-pk"
                return model.objects(**args).no_dereference().only(*required_fields).order_by(order_by).skip(
                    skip)
            else:
                return model.objects(**args).no_dereference().only(*required_fields).order_by(self.order_by).skip(
                    skip)
        return model.objects(**args).no_dereference().only(*required_fields).order_by(self.order_by)

    def default_resolver(self, _root, info, required_fields=list(), **args):
        args = args or {}
        if _root is not None:
            field_name = to_snake_case(info.field_name)
            if not hasattr(_root, "_fields_ordered"):
                if getattr(_root, field_name, []) is not None:
                    args["pk__in"] = [r.id for r in getattr(_root, field_name, [])]
            elif field_name in _root._fields_ordered and not (isinstance(_root._fields[field_name].field,
                                                                         mongoengine.EmbeddedDocumentField) or
                                                              isinstance(_root._fields[field_name].field,
                                                                         mongoengine.GenericEmbeddedDocumentField)):
                if getattr(_root, field_name, []) is not None:
                    args["pk__in"] = [r.id for r in getattr(_root, field_name, [])]

        _id = args.pop('id', None)

        if _id is not None:
            args['pk'] = from_global_id(_id)[-1]
        iterables = []
        list_length = 0
        skip = 0
        count = 0
        limit = None
        reverse = False
        first = args.pop("first", None)
        after = cursor_to_offset(args.pop("after", None))
        last = args.pop("last", None)
        before = cursor_to_offset(args.pop("before", None))
        if callable(getattr(self.model, "objects", None)):
            if "pk__in" in args and args["pk__in"]:
                count = len(args["pk__in"])
                skip, limit, reverse = find_skip_and_limit(first=first, last=last, after=after, before=before,
                                                           count=count)
                if limit:
                    if reverse:
                        args["pk__in"] = args["pk__in"][::-1][skip:skip + limit]
                    else:
                        args["pk__in"] = args["pk__in"][skip:skip + limit]
                elif skip:
                    args["pk__in"] = args["pk__in"][skip:]
                iterables = self.get_queryset(self.model, info, required_fields, **args)
                list_length = len(iterables)
                if isinstance(info, ResolveInfo):
                    if not info.context:
                        info.context = Context()
                    info.context.queryset = self.get_queryset(self.model, info, required_fields, **args)
            elif _root is None or args:
                count = self.get_queryset(self.model, info, required_fields, **args).count()
                if count != 0:
                    skip, limit, reverse = find_skip_and_limit(first=first, after=after, last=last, before=before,
                                                               count=count)
                    iterables = self.get_queryset(self.model, info, required_fields, skip, limit, reverse, **args)
                    list_length = len(iterables)
                    if isinstance(info, ResolveInfo):
                        if not info.context:
                            info.context = Context()
                        info.context.queryset = self.get_queryset(self.model, info, required_fields, **args)

        elif _root is not None:
            field_name = to_snake_case(info.field_name)
            items = getattr(_root, field_name, [])
            count = len(items)
            skip, limit, reverse = find_skip_and_limit(first=first, last=last, after=after, before=before,
                                                       count=count)
            if limit:
                if reverse:
                    items = items[::-1][skip:skip + limit]
                else:
                    items = items[skip:skip + limit]
            elif skip:
                items = items[skip:]
            iterables = items
            list_length = len(iterables)
        has_next_page = True if (0 if limit is None else limit) + (0 if skip is None else skip) < count else False
        has_previous_page = True if skip else False
        if reverse:
            iterables = list(iterables)
            iterables.reverse()
            skip = limit
        connection = connection_from_iterables(edges=iterables, start_offset=skip,
                                               has_previous_page=has_previous_page,
                                               has_next_page=has_next_page,
                                               connection_type=self.type,
                                               edge_type=self.type.Edge,
                                               pageinfo_type=graphene.PageInfo)

        connection.iterable = iterables
        connection.list_length = list_length
        return connection

    def chained_resolver(self, resolver, is_partial, root, info, **args):
        required_fields = list()
        for field in self.required_fields:
            if field in self.model._fields_ordered:
                required_fields.append(field)
        for field in get_query_fields(info):
            if to_snake_case(field) in self.model._fields_ordered:
                required_fields.append(to_snake_case(field))
        args_copy = args.copy()
        if not bool(args) or not is_partial:
            if isinstance(self.model, mongoengine.Document) or isinstance(self.model,
                                                                          mongoengine.base.metaclasses.TopLevelDocumentMetaclass):
                for arg_name, arg in args.copy().items():
                    if arg_name not in self.model._fields_ordered + tuple(self.filter_args.keys()):
                        args_copy.pop(arg_name)
                if isinstance(info, ResolveInfo):
                    if not info.context:
                        info.context = Context()
                    info.context.queryset = self.get_queryset(self.model, info, required_fields, **args_copy)
            # XXX: Filter nested args
            resolved = resolver(root, info, **args)
            if resolved is not None:
                if isinstance(resolved, list):
                    if resolved == list():
                        return resolved
                    elif not isinstance(resolved[0], DBRef):
                        return resolved
                    else:
                        return self.default_resolver(root, info, required_fields, **args_copy)
                elif isinstance(resolved, QuerySet):
                    args.update(resolved._query)
                    args_copy = args.copy()
                    for arg_name, arg in args.copy().items():
                        if arg_name not in self.model._fields_ordered + ('first', 'last', 'before', 'after') + tuple(
                                self.filter_args.keys()):
                            args_copy.pop(arg_name)
                            if arg_name == '_id' and isinstance(arg, dict):
                                args_copy['pk__in'] = arg['$in']
                            elif "$ne" in arg:
                                args_copy['pk__ne'] = arg['$ne']
                                operation = list(arg.keys())[0]
                                args_copy['pk' + operation.replace('$', '__')] = arg[operation]
                            if '.' in arg_name:
                                operation = list(arg.keys())[0]
                                args_copy[arg_name.replace('.', '__') + operation.replace('$', '__')] = arg[operation]
                        else:
                            operations = ["$lte", "$gte", "$ne", "$in"]
                            if isinstance(arg, dict) and any(op in arg for op in operations):
                                operation = list(arg.keys())[0]
                                args_copy[arg_name + operation.replace('$', '__')] = arg[operation]
                                del args_copy[arg_name]
                    return self.default_resolver(root, info, required_fields, **args_copy)
                else:
                    return resolved
        return self.default_resolver(root, info, required_fields, **args)

    @classmethod
    def connection_resolver(cls, resolver, connection_type, root, info, **args):
        iterable = resolver(root, info, **args)
        if isinstance(connection_type, graphene.NonNull):
            connection_type = connection_type.of_type
        on_resolve = partial(cls.resolve_connection, connection_type, args)
        if Promise.is_thenable(iterable):
            return Promise.resolve(iterable).then(on_resolve)
        return on_resolve(iterable)

    def get_resolver(self, parent_resolver):
        super_resolver = self.resolver or parent_resolver
        resolver = partial(
            self.chained_resolver, super_resolver, isinstance(super_resolver, partial)
        )
        return partial(self.connection_resolver, resolver, self.type)

1	from __future__ import absolute_import	4✔
2
3	from collections import OrderedDict	4✔
4	from functools import partial, reduce	4✔
5
6	import graphene	4✔
7	import mongoengine	4✔
8	from bson import DBRef	4✔
9	from graphene import Context	4✔
10	from graphene.types.utils import get_type	4✔
11	from graphene.utils.str_converters import to_snake_case	4✔
12	from graphql import ResolveInfo	4✔
13	from mongoengine.base import get_document	4✔
14	from promise import Promise	4✔
15	from graphql_relay import from_global_id	4✔
16	from graphene.relay import ConnectionField	4✔
17	from graphene.types.argument import to_arguments	4✔
18	from graphene.types.dynamic import Dynamic	4✔
19	from graphene.types.structures import Structure	4✔
20	from graphql_relay.connection.arrayconnection import cursor_to_offset	4✔
21	from mongoengine import QuerySet	4✔
22
23	from .advanced_types import (	4✔
24	FileFieldType,
25	PointFieldType,
26	MultiPolygonFieldType,
27	PolygonFieldType, PointFieldInputType,
28	)
29	from .converter import convert_mongoengine_field, MongoEngineConversionError	4✔
30	from .registry import get_global_registry	4✔
31	from .utils import get_model_reference_fields, get_query_fields, find_skip_and_limit, \	4✔
32	connection_from_iterables
33
34
35	class MongoengineConnectionField(ConnectionField):	4✔
36	def __init__(self, type, args, *kwargs):	4✔
37	get_queryset = kwargs.pop("get_queryset", None)	4✔
38	if get_queryset:	4✔
39	assert callable(	4✔
40	get_queryset
41	), "Attribute `get_queryset` on {} must be callable.".format(self)
42	self._get_queryset = get_queryset	4✔
43	super(MongoengineConnectionField, self).__init__(type, args, *kwargs)	4✔
44
45	@property	4✔
46	def type(self):	1✔
47	from .types import GrapheneMongoengineObjectTypes	4✔
48
49	_type = super(ConnectionField, self).type	4✔
50	assert issubclass(	4✔
51	_type, GrapheneMongoengineObjectTypes
52	), "MongoengineConnectionField only accepts Mongoengine object types"
53	assert _type._meta.connection, "The type {} doesn't have a connection".format(	4✔
54	_type.__name__
55	)
56	return _type._meta.connection	4✔
57
58	@property	4✔
59	def node_type(self):	1✔
60	return self.type._meta.node	4✔
61
62	@property	4✔
63	def model(self):	1✔
64	return self.node_type._meta.model	4✔
65
66	@property	4✔
67	def order_by(self):	1✔
68	return self.node_type._meta.order_by	4✔
69
70	@property	4✔
71	def required_fields(self):	1✔
72	return tuple(set(self.node_type._meta.required_fields + self.node_type._meta.only_fields))	4✔
73
74	@property	4✔
75	def registry(self):	1✔
76	return getattr(self.node_type._meta, "registry", get_global_registry())	4✔
77
78	@property	4✔
79	def args(self):	1✔
80	return to_arguments(	4✔
81	self._base_args or OrderedDict(),
82	dict(dict(self.field_args, self.advance_args), self.filter_args),
83	)
84
85	@args.setter	4✔
86	def args(self, args):	1✔
87	self._base_args = args	4✔
88
89	def _field_args(self, items):	4✔
90	def is_filterable(k):	4✔
91	"""
92	Remove complex columns from input args at this moment.
93
94	Args:
95	k (str): field name.
96	Returns:
97	bool
98	"""
99
100	if not hasattr(self.model, k):	4✔
101	return False	4✔
102	if isinstance(getattr(self.model, k), property):	4✔
103	return False	4✔
104	try:	4✔
105	converted = convert_mongoengine_field(	4✔
106	getattr(self.model, k), self.registry
107	)
108	except MongoEngineConversionError:	4✔
109	return False	4✔
110	if isinstance(converted, (ConnectionField, Dynamic)):	4✔
111	return False	4✔
112	if callable(getattr(converted, "type", None)) and isinstance(	4✔
113	converted.type(),
114	(
115	FileFieldType,
116	PointFieldType,
117	MultiPolygonFieldType,
118	graphene.Union,
119	PolygonFieldType,
120	),
121	):
122	return False	4✔
123	if getattr(converted, "type", None) and getattr(converted.type, "_of_type", None) and issubclass(	4✔
124	(get_type(converted.type.of_type)), graphene.Union):
125	return False	4✔
126	if isinstance(converted, (graphene.List)) and issubclass(	4✔
127	getattr(converted, "_of_type", None), graphene.Union
128	):
129	return False	4✔
130	return True	4✔
131
132	def get_filter_type(_type):	4✔
133	"""
134	Returns the scalar type.
135	"""
136	if isinstance(_type, Structure):	4✔
137	return get_filter_type(_type.of_type)	4✔
138	return _type()	4✔
139
140	return {k: get_filter_type(v.type) for k, v in items if is_filterable(k)}	4✔
141
142	@property	4✔
143	def field_args(self):	1✔
144	return self._field_args(self.fields.items())	4✔
145
146	@property	4✔
147	def filter_args(self):	1✔
148	filter_args = dict()	4✔
149	if self._type._meta.filter_fields:	4✔
150	for field, filter_collection in self._type._meta.filter_fields.items():	4✔
151	for each in filter_collection:	4✔
152	if str(self._type._meta.fields[field].type) == 'PointFieldType':	4✔
153	if each == 'max_distance':	×
154	filter_type = graphene.Int	×
155	else:
156	filter_type = PointFieldInputType	×
157	else:
158	filter_type = getattr(	4✔
159	graphene,
160	str(self._type._meta.fields[field].type).replace("!", ""),
161	)
162	# handle special cases
163	advanced_filter_types = {	4✔
164	"in": graphene.List(filter_type),
165	"nin": graphene.List(filter_type),
166	"all": graphene.List(filter_type),
167	}
168	filter_type = advanced_filter_types.get(each, filter_type)	4✔
169	filter_args[field + "__" + each] = graphene.Argument(	4✔
170	type=filter_type
171	)
172	return filter_args	4✔
173
174	@property	4✔
175	def advance_args(self):	1✔
176	def get_advance_field(r, kv):	4✔
177	field = kv[1]	4✔
178	mongo_field = getattr(self.model, kv[0], None)	4✔
179	if isinstance(mongo_field, mongoengine.PointField):	4✔
180	r.update({kv[0]: graphene.Argument(PointFieldInputType)})	4✔
181	return r	4✔
182	if isinstance(	4✔
183	mongo_field,
184	(mongoengine.LazyReferenceField, mongoengine.ReferenceField, mongoengine.GenericReferenceField),
185	):
186	r.update({kv[0]: graphene.ID()})	4✔
187	return r	4✔
188	if isinstance(mongo_field, mongoengine.GenericReferenceField):	4✔
189	r.update({kv[0]: graphene.ID()})	×
190	return r	×
191	if callable(getattr(field, "get_type", None)):	4✔
192	_type = field.get_type()	4✔
193	if _type:	4✔
194	node = _type.type._meta if hasattr(_type.type, "_meta") else _type.type._of_type._meta	4✔
195	if "id" in node.fields and not issubclass(	4✔
196	node.model, (mongoengine.EmbeddedDocument,)
197	):
198	r.update({kv[0]: node.fields["id"]._type.of_type()})	×
199
200	return r	4✔
201
202	return reduce(get_advance_field, self.fields.items(), {})	4✔
203
204	@property	4✔
205	def fields(self):	1✔
206	self._type = get_type(self._type)	4✔
207	return self._type._meta.fields	4✔
208
209	def get_queryset(self, model, info, required_fields=list(), skip=None, limit=None, reversed=False, **args):	4✔
210	if args:	4✔
211	reference_fields = get_model_reference_fields(self.model)	4✔
212	hydrated_references = {}	4✔
213	for arg_name, arg in args.copy().items():	4✔
214	if arg_name in reference_fields and not isinstance(arg,	4✔
215	mongoengine.base.metaclasses.TopLevelDocumentMetaclass):
216	try:	4✔
217	reference_obj = reference_fields[arg_name].document_type(pk=from_global_id(arg)[1])	4✔
218	except TypeError:	×
219	reference_obj = reference_fields[arg_name].document_type(pk=arg)	×
220	hydrated_references[arg_name] = reference_obj	4✔
221	elif arg_name in self.model._fields_ordered and isinstance(getattr(self.model, arg_name),	4✔
222	mongoengine.fields.GenericReferenceField):
223	try:	×
224	reference_obj = get_document(self.registry._registry_string_map[from_global_id(arg)[0]])(	×
225	pk=from_global_id(arg)[1])
226	except TypeError:	×
227	reference_obj = get_document(arg["_cls"])(	×
228	pk=arg["_ref"].id)
229	hydrated_references[arg_name] = reference_obj	×
230	elif '__near' in arg_name and isinstance(getattr(self.model, arg_name.split('__')[0]),	4✔
231	mongoengine.fields.PointField):
232	location = args.pop(arg_name, None)	×
233	hydrated_references[arg_name] = location["coordinates"]	×
234	if (arg_name.split('__')[0] + "__max_distance") not in args:	×
235	hydrated_references[arg_name.split('__')[0] + "__max_distance"] = 10000	×
236	elif arg_name == "id":	4✔
237	hydrated_references["id"] = from_global_id(args.pop("id", None))[1]	×
238	args.update(hydrated_references)	4✔
239
240	if self._get_queryset:	4✔
241	queryset_or_filters = self._get_queryset(model, info, **args)	4✔
242	if isinstance(queryset_or_filters, mongoengine.QuerySet):	4✔
243	return queryset_or_filters	4✔
244	else:
245	args.update(queryset_or_filters)	4✔
246	if limit is not None:	4✔
247	if reversed:	4✔
248	if self.order_by:	4✔
249	order_by = self.order_by + ",-pk"	×
250	else:
251	order_by = "-pk"	4✔
252	return model.objects(*args).no_dereference().only(required_fields).order_by(order_by).skip(	4✔
253	skip if skip else 0).limit(limit)
254	else:
255	return model.objects(*args).no_dereference().only(required_fields).order_by(self.order_by).skip(	4✔
256	skip if skip else 0).limit(limit)
257	elif skip is not None:	4✔
258	if reversed:	4✔
259	if self.order_by:	×
260	order_by = self.order_by + ",-pk"	×
261	else:
262	order_by = "-pk"	×
263	return model.objects(*args).no_dereference().only(required_fields).order_by(order_by).skip(	×
264	skip)
265	else:
266	return model.objects(*args).no_dereference().only(required_fields).order_by(self.order_by).skip(	4✔
267	skip)
268	return model.objects(*args).no_dereference().only(required_fields).order_by(self.order_by)	4✔
269
270	def default_resolver(self, _root, info, required_fields=list(), **args):	4✔
271	args = args or {}	4✔
272	if _root is not None:	4✔
273	field_name = to_snake_case(info.field_name)	4✔
274	if not hasattr(_root, "_fields_ordered"):	4✔
275	if getattr(_root, field_name, []) is not None:	×
276	args["pk__in"] = [r.id for r in getattr(_root, field_name, [])]	×
277	elif field_name in _root._fields_ordered and not (isinstance(_root._fields[field_name].field,	4✔
278	mongoengine.EmbeddedDocumentField) or
279	isinstance(_root._fields[field_name].field,
280	mongoengine.GenericEmbeddedDocumentField)):
281	if getattr(_root, field_name, []) is not None:	4✔
282	args["pk__in"] = [r.id for r in getattr(_root, field_name, [])]	4✔
283
284	_id = args.pop('id', None)	4✔
285
286	if _id is not None:	4✔
287	args['pk'] = from_global_id(_id)[-1]	4✔
288	iterables = []	4✔
289	list_length = 0	4✔
290	skip = 0	4✔
291	count = 0	4✔
292	limit = None	4✔
293	reverse = False	4✔
294	first = args.pop("first", None)	4✔
295	after = cursor_to_offset(args.pop("after", None))	4✔
296	last = args.pop("last", None)	4✔
297	before = cursor_to_offset(args.pop("before", None))	4✔
298	if callable(getattr(self.model, "objects", None)):	4✔
299	if "pk__in" in args and args["pk__in"]:	4✔
300	count = len(args["pk__in"])	4✔
301	skip, limit, reverse = find_skip_and_limit(first=first, last=last, after=after, before=before,	4✔
302	count=count)
303	if limit:	4✔
304	if reverse:	4✔
305	args["pk__in"] = args["pk__in"][::-1][skip:skip + limit]	×
306	else:
307	args["pk__in"] = args["pk__in"][skip:skip + limit]	4✔
308	elif skip:	4✔
309	args["pk__in"] = args["pk__in"][skip:]	×
310	iterables = self.get_queryset(self.model, info, required_fields, **args)	4✔
311	list_length = len(iterables)	4✔
312	if isinstance(info, ResolveInfo):	4✔
313	if not info.context:	4✔
314	info.context = Context()	4✔
315	info.context.queryset = self.get_queryset(self.model, info, required_fields, **args)	4✔
316	elif _root is None or args:	4✔
317	count = self.get_queryset(self.model, info, required_fields, **args).count()	4✔
318	if count != 0:	4✔
319	skip, limit, reverse = find_skip_and_limit(first=first, after=after, last=last, before=before,	4✔
320	count=count)
321	iterables = self.get_queryset(self.model, info, required_fields, skip, limit, reverse, **args)	4✔
322	list_length = len(iterables)	4✔
323	if isinstance(info, ResolveInfo):	4✔
324	if not info.context:	4✔
325	info.context = Context()	4✔
326	info.context.queryset = self.get_queryset(self.model, info, required_fields, **args)	4✔
327
328	elif _root is not None:	4✔
329	field_name = to_snake_case(info.field_name)	×
330	items = getattr(_root, field_name, [])	×
331	count = len(items)	×
332	skip, limit, reverse = find_skip_and_limit(first=first, last=last, after=after, before=before,	×
333	count=count)
334	if limit:	×
335	if reverse:	×
336	items = items[::-1][skip:skip + limit]	×
337	else:
338	items = items[skip:skip + limit]	×
339	elif skip:	×
340	items = items[skip:]	×
341	iterables = items	×
342	list_length = len(iterables)	×
343	has_next_page = True if (0 if limit is None else limit) + (0 if skip is None else skip) < count else False	4✔
344	has_previous_page = True if skip else False	4✔
345	if reverse:	4✔
346	iterables = list(iterables)	4✔
347	iterables.reverse()	4✔
348	skip = limit	4✔
349	connection = connection_from_iterables(edges=iterables, start_offset=skip,	4✔
350	has_previous_page=has_previous_page,
351	has_next_page=has_next_page,
352	connection_type=self.type,
353	edge_type=self.type.Edge,
354	pageinfo_type=graphene.PageInfo)
355
356	connection.iterable = iterables	4✔
357	connection.list_length = list_length	4✔
358	return connection	4✔
359
360	def chained_resolver(self, resolver, is_partial, root, info, **args):	4✔
361	required_fields = list()	4✔
362	for field in self.required_fields:	4✔
363	if field in self.model._fields_ordered:	×
364	required_fields.append(field)	×
365	for field in get_query_fields(info):	4✔
366	if to_snake_case(field) in self.model._fields_ordered:	4✔
367	required_fields.append(to_snake_case(field))	4✔
368	args_copy = args.copy()	4✔
369	if not bool(args) or not is_partial:	4✔
370	if isinstance(self.model, mongoengine.Document) or isinstance(self.model,	4✔
371	mongoengine.base.metaclasses.TopLevelDocumentMetaclass):
372	for arg_name, arg in args.copy().items():	4✔
373	if arg_name not in self.model._fields_ordered + tuple(self.filter_args.keys()):	4✔
374	args_copy.pop(arg_name)	4✔
375	if isinstance(info, ResolveInfo):	4✔
376	if not info.context:	4✔
377	info.context = Context()	4✔
378	info.context.queryset = self.get_queryset(self.model, info, required_fields, **args_copy)	4✔
379	# XXX: Filter nested args
380	resolved = resolver(root, info, **args)	4✔
381	if resolved is not None:	4✔
382	if isinstance(resolved, list):	4✔
383	if resolved == list():	4✔
384	return resolved	4✔
385	elif not isinstance(resolved[0], DBRef):	4✔
386	return resolved	4✔
387	else:
388	return self.default_resolver(root, info, required_fields, **args_copy)	4✔
389	elif isinstance(resolved, QuerySet):	4✔
390	args.update(resolved._query)	×
391	args_copy = args.copy()	×
392	for arg_name, arg in args.copy().items():	×
393	if arg_name not in self.model._fields_ordered + ('first', 'last', 'before', 'after') + tuple(	×
394	self.filter_args.keys()):
395	args_copy.pop(arg_name)	×
396	if arg_name == '_id' and isinstance(arg, dict):	×
397	args_copy['pk__in'] = arg['$in']	×
398	elif "$ne" in arg:	×
399	args_copy['pk__ne'] = arg['$ne']	×
400	operation = list(arg.keys())[0]	×
401	args_copy['pk' + operation.replace('$', '__')] = arg[operation]	×
402	if '.' in arg_name:	×
403	operation = list(arg.keys())[0]	×
404	args_copy[arg_name.replace('.', '__') + operation.replace('$', '__')] = arg[operation]	×
405	else:
406	operations = ["$lte", "$gte", "$ne", "$in"]	×
407	if isinstance(arg, dict) and any(op in arg for op in operations):	×
408	operation = list(arg.keys())[0]	×
409	args_copy[arg_name + operation.replace('$', '__')] = arg[operation]	×
410	del args_copy[arg_name]	×
411	return self.default_resolver(root, info, required_fields, **args_copy)	×
412	else:
413	return resolved	4✔
414	return self.default_resolver(root, info, required_fields, **args)	4✔
415
416	@classmethod	4✔
417	def connection_resolver(cls, resolver, connection_type, root, info, **args):	1✔
418	iterable = resolver(root, info, **args)	4✔
419	if isinstance(connection_type, graphene.NonNull):	4✔
420	connection_type = connection_type.of_type	×
421	on_resolve = partial(cls.resolve_connection, connection_type, args)	4✔
422	if Promise.is_thenable(iterable):	4✔
423	return Promise.resolve(iterable).then(on_resolve)	4✔
424	return on_resolve(iterable)	4✔
425
426	def get_resolver(self, parent_resolver):	4✔
427	super_resolver = self.resolver or parent_resolver	4✔
428	resolver = partial(	4✔
429	self.chained_resolver, super_resolver, isinstance(super_resolver, partial)
430	)
431	return partial(self.connection_resolver, resolver, self.type)	4✔

graphql-python / graphene-mongo / 475

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