graphql-python/graphene-django
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This commit is contained in:
Ülgen Sarıkavak 2020-04-06 14:17:18 +03:00
parent 1e79165a7e
commit c2e4f4169e
11 changed files with 368 additions and 239 deletions
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15
graphene_django/converter.py
View File

@ -23,7 +23,7 @@ from graphene import (
)
from graphene.types.json import JSONString
from graphene.utils.str_converters import to_camel_case, to_const
from graphql import assert_valid_name
from graphql import assert_valid_name, GraphQLError
from .settings import graphene_settings
from .compat import ArrayField, HStoreField, JSONField, RangeField
@ -34,7 +34,7 @@ def convert_choice_name(name):
name = to_const(force_str(name))
try:
assert_valid_name(name)
except AssertionError:
except GraphQLError:
name = "A_%s" % name
return name
@ -64,7 +64,7 @@ def convert_choices_to_named_enum_with_descriptions(name, choices):
class EnumWithDescriptionsType(object):
@property
def description(self):
return named_choices_descriptions[self.name]
return str(named_choices_descriptions[self.name])
return Enum(name, list(named_choices), type=EnumWithDescriptionsType)
@ -276,3 +276,12 @@ def convert_postgres_range_to_string(field, registry=None):
if not isinstance(inner_type, (List, NonNull)):
inner_type = type(inner_type)
return List(inner_type, description=field.help_text, required=not field.null)
from django.utils.functional import Promise
from graphql.pyutils import register_description
# Register Django lazy()-wrapped values as GraphQL description/help_text.
# This is needed for using lazy translations, see https://github.com/graphql-python/graphql-core-next/issues/58.
register_description(Promise)

2
graphene_django/debug/middleware.py
View File

@ -17,7 +17,7 @@ class DjangoDebugContext(object):
if not self.debug_promise:
self.debug_promise = Promise.all(self.promises)
self.promises = []
return self.debug_promise.then(self.on_resolve_all_promises)
return self.debug_promise.then(self.on_resolve_all_promises).get()
def on_resolve_all_promises(self, values):
if self.promises:

7
graphene_django/fields.py
View File

@ -1,12 +1,13 @@
from functools import partial
from django.db.models.query import QuerySet
from graphene.relay.connection import page_info_adapter, connection_adapter
from graphql_relay.connection.arrayconnection import connection_from_array_slice
from promise import Promise
from graphene import NonNull
from graphene.relay import ConnectionField, PageInfo
from graphene.relay import ConnectionField
from graphene.types import Field, List
from .settings import graphene_settings
@ -127,11 +128,11 @@ class DjangoConnectionField(ConnectionField):
iterable,
args,
slice_start=0,
connection_type=connection,
array_length=_len,
array_slice_length=_len,
connection_type=partial(connection_adapter, connection),
edge_type=connection.Edge,
page_info_type=PageInfo,
page_info_type=page_info_adapter,
)
connection.iterable = iterable
connection.length = _len

116
graphene_django/filter/tests/test_fields.py
View File

@ -806,38 +806,56 @@ def test_integer_field_filter_type():
assert str(schema) == dedent(
"""\
schema {
query: Query
}
interface Node {
id: ID!
}
type PageInfo {
hasNextPage: Boolean!
hasPreviousPage: Boolean!
startCursor: String
endCursor: String
}
type PetType implements Node {
age: Int!
id: ID!
type Query {
pets(before: String = null, after: String = null, first: Int = null, last: Int = null, age: Int = null): PetTypeConnection
}
type PetTypeConnection {
\"""Pagination data for this connection.\"""
pageInfo: PageInfo!
\"""Contains the nodes in this connection.\"""
edges: [PetTypeEdge]!
}
\"""
The Relay compliant `PageInfo` type, containing data necessary to paginate this connection.
\"""
type PageInfo {
\"""When paginating forwards, are there more items?\"""
hasNextPage: Boolean!
\"""When paginating backwards, are there more items?\"""
hasPreviousPage: Boolean!
\"""When paginating backwards, the cursor to continue.\"""
startCursor: String
\"""When paginating forwards, the cursor to continue.\"""
endCursor: String
}
\"""A Relay edge containing a `PetType` and its cursor.\"""
type PetTypeEdge {
\"""The item at the end of the edge\"""
node: PetType
\"""A cursor for use in pagination\"""
cursor: String!
}
type Query {
pets(before: String, after: String, first: Int, last: Int, age: Int): PetTypeConnection
type PetType implements Node {
\"""\"""
age: Int!
\"""The ID of the object\"""
id: ID!
}
\"""An object with an ID\"""
interface Node {
\"""The ID of the object\"""
id: ID!
}
"""
)
@ -858,38 +876,56 @@ def test_other_filter_types():
assert str(schema) == dedent(
"""\
schema {
query: Query
}
interface Node {
id: ID!
}
type PageInfo {
hasNextPage: Boolean!
hasPreviousPage: Boolean!
startCursor: String
endCursor: String
}
type PetType implements Node {
age: Int!
id: ID!
type Query {
pets(before: String = null, after: String = null, first: Int = null, last: Int = null, age: Int = null, age_Isnull: Boolean = null, age_Lt: Int = null): PetTypeConnection
}
type PetTypeConnection {
\"""Pagination data for this connection.\"""
pageInfo: PageInfo!
\"""Contains the nodes in this connection.\"""
edges: [PetTypeEdge]!
}
\"""
The Relay compliant `PageInfo` type, containing data necessary to paginate this connection.
\"""
type PageInfo {
\"""When paginating forwards, are there more items?\"""
hasNextPage: Boolean!
\"""When paginating backwards, are there more items?\"""
hasPreviousPage: Boolean!
\"""When paginating backwards, the cursor to continue.\"""
startCursor: String
\"""When paginating forwards, the cursor to continue.\"""
endCursor: String
}
\"""A Relay edge containing a `PetType` and its cursor.\"""
type PetTypeEdge {
\"""The item at the end of the edge\"""
node: PetType
\"""A cursor for use in pagination\"""
cursor: String!
}
type Query {
pets(before: String, after: String, first: Int, last: Int, age: Int, age_Isnull: Boolean, age_Lt: Int): PetTypeConnection
type PetType implements Node {
\"""\"""
age: Int!
\"""The ID of the object\"""
id: ID!
}
\"""An object with an ID\"""
interface Node {
\"""The ID of the object\"""
id: ID!
}
"""
)

2
graphene_django/management/commands/graphql_schema.py
View File

@ -56,7 +56,7 @@ class Command(CommandArguments):
def save_graphql_file(self, out, schema):
with open(out, "w") as outfile:
outfile.write(print_schema(schema))
outfile.write(print_schema(schema.graphql_schema))
def get_schema(self, schema, out, indent):
schema_dict = {"data": schema.introspect()}

1
graphene_django/rest_framework/tests/test_mutation.py
View File

@ -17,6 +17,7 @@ def mock_info():
None,
None,
None,
path=None,
schema=None,
fragments=None,
root_value=None,

4
graphene_django/tests/test_command.py
View File

@ -51,10 +51,6 @@ def test_generate_graphql_file_on_call_graphql_schema():
schema_output = handle.write.call_args[0][0]
assert schema_output == dedent(
"""\
schema {
query: Query
}
type Query {
hi: String
}

17
graphene_django/tests/test_query.py
View File

@ -612,9 +612,9 @@ def test_should_enforce_first_or_last(graphene_settings):
result = schema.execute(query)
assert len(result.errors) == 1
assert str(result.errors[0]) == (
assert str(result.errors[0]).startswith(
"You must provide a `first` or `last` value to properly "
"paginate the `allReporters` connection."
"paginate the `allReporters` connection.\n"
)
assert result.data == expected
@ -653,9 +653,9 @@ def test_should_error_if_first_is_greater_than_max(graphene_settings):
result = schema.execute(query)
assert len(result.errors) == 1
assert str(result.errors[0]) == (
assert str(result.errors[0]).startswith(
"Requesting 101 records on the `allReporters` connection "
"exceeds the `first` limit of 100 records."
"exceeds the `first` limit of 100 records.\n"
)
assert result.data == expected
@ -694,9 +694,9 @@ def test_should_error_if_last_is_greater_than_max(graphene_settings):
result = schema.execute(query)
assert len(result.errors) == 1
assert str(result.errors[0]) == (
assert str(result.errors[0]).startswith(
"Requesting 101 records on the `allReporters` connection "
"exceeds the `last` limit of 100 records."
"exceeds the `last` limit of 100 records.\n"
)
assert result.data == expected
@ -713,7 +713,7 @@ def test_should_query_promise_connectionfields():
all_reporters = DjangoConnectionField(ReporterType)
def resolve_all_reporters(self, info, **args):
return Promise.resolve([Reporter(id=1)])
return Promise.resolve([Reporter(id=1)]).get()
schema = graphene.Schema(query=Query)
query = """
@ -842,7 +842,7 @@ def test_should_query_dataloader_fields():
articles = DjangoConnectionField(ArticleType)
def resolve_articles(self, info, **args):
return article_loader.load(self.id)
return article_loader.load(self.id).get()
class Query(graphene.ObjectType):
all_reporters = DjangoConnectionField(ReporterType)
@ -1105,6 +1105,7 @@ def test_should_preserve_prefetch_related(django_assert_num_queries):
}
"""
schema = graphene.Schema(query=Query)
with django_assert_num_queries(3) as captured:
result = schema.execute(query)
assert not result.errors

307
graphene_django/tests/test_types.py
View File

@ -111,83 +111,165 @@ def test_django_objecttype_with_custom_meta():
def test_schema_representation():
expected = """
schema {
expected = dedent(
"""\
schema {
query: RootQuery
}
}
type Article implements Node {
\"""Article description\"""
type Article implements Node {
\"""The ID of the object\"""
id: ID!
headline: String!
pubDate: Date!
pubDateTime: DateTime!
reporter: Reporter!
editor: Reporter!
lang: ArticleLang!
importance: ArticleImportance
}
type ArticleConnection {
\"""\"""
headline: String!
\"""\"""
pubDate: Date!
\"""\"""
pubDateTime: DateTime!
\"""\"""
reporter: Reporter!
\"""\"""
editor: Reporter!
\"""Language\"""
lang: ArticleLang!
\"""\"""
importance: ArticleImportance
}
\"""An object with an ID\"""
interface Node {
\"""The ID of the object\"""
id: ID!
}
\"""
The `Date` scalar type represents a Date
value as specified by
[iso8601](https://en.wikipedia.org/wiki/ISO_8601).
\"""
scalar Date
\"""
The `DateTime` scalar type represents a DateTime
value as specified by
[iso8601](https://en.wikipedia.org/wiki/ISO_8601).
\"""
scalar DateTime
\"""An enumeration.\"""
enum ArticleLang {
\"""Spanish\"""
ES
\"""English\"""
EN
}
\"""An enumeration.\"""
enum ArticleImportance {
\"""Very important\"""
A_1
\"""Not as important\"""
A_2
}
\"""Reporter description\"""
type Reporter {
\"""\"""
id: ID!
\"""\"""
firstName: String!
\"""\"""
lastName: String!
\"""\"""
email: String!
\"""\"""
pets: [Reporter!]!
\"""\"""
aChoice: ReporterAChoice
\"""\"""
reporterType: ReporterReporterType
\"""\"""
articles(before: String = null, after: String = null, first: Int = null, last: Int = null): ArticleConnection!
}
\"""An enumeration.\"""
enum ReporterAChoice {
\"""this\"""
A_1
\"""that\"""
A_2
}
\"""An enumeration.\"""
enum ReporterReporterType {
\"""Regular\"""
A_1
\"""CNN Reporter\"""
A_2
}
type ArticleConnection {
\"""Pagination data for this connection.\"""
pageInfo: PageInfo!
\"""Contains the nodes in this connection.\"""
edges: [ArticleEdge]!
test: String
}
}
type ArticleEdge {
node: Article
cursor: String!
}
enum ArticleImportance {
A_1
A_2
}
enum ArticleLang {
ES
EN
}
scalar Date
scalar DateTime
interface Node {
id: ID!
}
type PageInfo {
\"""
The Relay compliant `PageInfo` type, containing data necessary to paginate this connection.
\"""
type PageInfo {
\"""When paginating forwards, are there more items?\"""
hasNextPage: Boolean!
\"""When paginating backwards, are there more items?\"""
hasPreviousPage: Boolean!
\"""When paginating backwards, the cursor to continue.\"""
startCursor: String
\"""When paginating forwards, the cursor to continue.\"""
endCursor: String
}
}
type Reporter {
\"""A Relay edge containing a `Article` and its cursor.\"""
type ArticleEdge {
\"""The item at the end of the edge\"""
node: Article
\"""A cursor for use in pagination\"""
cursor: String!
}
type RootQuery {
node(
\"""The ID of the object\"""
id: ID!
firstName: String!
lastName: String!
email: String!
pets: [Reporter!]!
aChoice: ReporterAChoice
reporterType: ReporterReporterType
articles(before: String, after: String, first: Int, last: Int): ArticleConnection!
}
enum ReporterAChoice {
A_1
A_2
}
enum ReporterReporterType {
A_1
A_2
}
type RootQuery {
node(id: ID!): Node
}
""".lstrip()
): Node
}
"""
)
assert str(schema) == expected
@ -415,18 +497,19 @@ class TestDjangoObjectType:
assert str(schema) == dedent(
"""\
schema {
query: Query
type Query {
pet: Pet
}
type Pet {
\"""\"""
id: ID!
kind: String!
cuteness: Int!
}
type Query {
pet: Pet
\"""\"""
kind: String!
\"""\"""
cuteness: Int!
}
"""
)
@ -444,23 +527,28 @@ class TestDjangoObjectType:
assert str(schema) == dedent(
"""\
schema {
query: Query
type Query {
pet: Pet
}
type Pet {
\"""\"""
id: ID!
\"""\"""
kind: PetModelKind!
\"""\"""
cuteness: Int!
}
\"""An enumeration.\"""
enum PetModelKind {
\"""Cat\"""
CAT
DOG
}
type Query {
pet: Pet
\"""Dog\"""
DOG
}
"""
)
@ -478,18 +566,19 @@ class TestDjangoObjectType:
assert str(schema) == dedent(
"""\
schema {
query: Query
type Query {
pet: Pet
}
type Pet {
\"""\"""
id: ID!
kind: String!
cuteness: Int!
}
type Query {
pet: Pet
\"""\"""
kind: String!
\"""\"""
cuteness: Int!
}
"""
)
@ -511,21 +600,24 @@ class TestDjangoObjectType:
assert str(schema) == dedent(
"""\
schema {
query: Query
}
type PetModelKind {
id: ID!
kind: TestsPetModelKindChoices!
}
type Query {
pet: PetModelKind
}
type PetModelKind {
\"""\"""
id: ID!
\"""\"""
kind: TestsPetModelKindChoices!
}
\"""An enumeration.\"""
enum TestsPetModelKindChoices {
\"""Cat\"""
CAT
\"""Dog\"""
DOG
}
"""
@ -550,22 +642,25 @@ class TestDjangoObjectType:
assert str(schema) == dedent(
"""\
schema {
query: Query
}
enum CustomEnumKind {
CAT
DOG
}
type PetModelKind {
id: ID!
kind: CustomEnumKind!
}
type Query {
pet: PetModelKind
}
type PetModelKind {
\"""\"""
id: ID!
\"""\"""
kind: CustomEnumKind!
}
\"""An enumeration.\"""
enum CustomEnumKind {
\"""Cat\"""
CAT
\"""Dog\"""
DOG
}
"""
)

14
graphene_django/tests/test_views.py
View File

@ -99,12 +99,14 @@ def test_reports_validation_errors(client):
assert response_json(response) == {
"errors": [
{
"message": 'Cannot query field "unknownOne" on type "QueryRoot".',
"message": "Cannot query field 'unknownOne' on type 'QueryRoot'.",
"locations": [{"line": 1, "column": 9}],
"path": None,
},
{
"message": 'Cannot query field "unknownTwo" on type "QueryRoot".',
"message": "Cannot query field 'unknownTwo' on type 'QueryRoot'.",
"locations": [{"line": 1, "column": 21}],
"path": None,
},
]
}
@ -124,7 +126,9 @@ def test_errors_when_missing_operation_name(client):
assert response_json(response) == {
"errors": [
{
"message": "Must provide operation name if query contains multiple operations."
"message": "Must provide operation name if query contains multiple operations.",
"locations": None,
"path": None,
}
]
}
@ -464,8 +468,8 @@ def test_handles_syntax_errors_caught_by_graphql(client):
"errors": [
{
"locations": [{"column": 1, "line": 1}],
"message": "Syntax Error GraphQL (1:1) "
'Unexpected Name "syntaxerror"\n\n1: syntaxerror\n ^\n',
"message": "Syntax Error: Unexpected Name 'syntaxerror'.",
"path": None,
}
]
}

50
graphene_django/views.py
View File

@ -6,14 +6,14 @@ from django.http import HttpResponse, HttpResponseNotAllowed
from django.http.response import HttpResponseBadRequest
from django.shortcuts import render
from django.utils.decorators import method_decorator
from django.views.generic import View
from django.views.decorators.csrf import ensure_csrf_cookie
from django.views.generic import View
from graphql import get_default_backend
from graphql.error import format_error as format_graphql_error
from graphene import Schema
from graphql import parse, get_operation_ast, OperationType, execute, validate
from graphql.error import GraphQLError
from graphql.error import format_error as format_graphql_error
from graphql.execution import ExecutionResult
from graphql.type.schema import GraphQLSchema
from .settings import graphene_settings
@ -66,35 +66,28 @@ class GraphQLView(View):
def __init__(
self,
schema=None,
executor=None,
middleware=None,
root_value=None,
graphiql=False,
pretty=False,
batch=False,
backend=None,
):
if not schema:
schema = graphene_settings.SCHEMA
if backend is None:
backend = get_default_backend()
if middleware is None:
middleware = graphene_settings.MIDDLEWARE
self.schema = self.schema or schema
if middleware is not None:
self.middleware = list(instantiate_middleware(middleware))
self.executor = executor
self.root_value = root_value
self.pretty = self.pretty or pretty
self.graphiql = self.graphiql or graphiql
self.batch = self.batch or batch
self.backend = backend
assert isinstance(
self.schema, GraphQLSchema
self.schema, Schema
), "A Schema is required to be provided to GraphQLView."
assert not all((graphiql, batch)), "Use either graphiql or batch processing"
@ -108,9 +101,6 @@ class GraphQLView(View):
def get_context(self, request):
return request
def get_backend(self, request):
return self.backend
@method_decorator(ensure_csrf_cookie)
def dispatch(self, request, *args, **kwargs):
try:
@ -172,7 +162,9 @@ class GraphQLView(View):
self.format_error(e) for e in execution_result.errors
]
if execution_result.invalid:
if execution_result.errors and any(
not e.path for e in execution_result.errors
):
status_code = 400
else:
response["data"] = execution_result.data
@ -245,14 +237,13 @@ class GraphQLView(View):
raise HttpError(HttpResponseBadRequest("Must provide query string."))
try:
backend = self.get_backend(request)
document = backend.document_from_string(self.schema, query)
document = parse(query)
except Exception as e:
return ExecutionResult(errors=[e], invalid=True)
return ExecutionResult(errors=[e])
if request.method.lower() == "get":
operation_type = document.get_operation_type(operation_name)
if operation_type and operation_type != "query":
operation_ast = get_operation_ast(document, operation_name)
if operation_ast and operation_ast.operation != OperationType.QUERY:
if show_graphiql:
return None
@ -260,28 +251,23 @@ class GraphQLView(View):
HttpResponseNotAllowed(
["POST"],
"Can only perform a {} operation from a POST request.".format(
operation_type
operation_ast.operation.value
),
)
)
try:
extra_options = {}
if self.executor:
# We only include it optionally since
# executor is not a valid argument in all backends
extra_options["executor"] = self.executor
validation_errors = validate(self.schema.graphql_schema, document)
if validation_errors:
return ExecutionResult(data=None, errors=validation_errors)
return document.execute(
return self.schema.execute(
source=query,
root_value=self.get_root_value(request),
variable_values=variables,
operation_name=operation_name,
context_value=self.get_context(request),
middleware=self.get_middleware(request),
**extra_options
)
except Exception as e:
return ExecutionResult(errors=[e], invalid=True)
@classmethod
def can_display_graphiql(cls, request, data):