From 954f49afc480c574942d890f271bbffdadf1def9 Mon Sep 17 00:00:00 2001
From: vtexier <vit@free.fr>
Date: Sun, 15 Dec 2019 13:00:25 +0100
Subject: [PATCH] [enh] #59 use graphql-core library to validate GraphQL
queries against server schema
Add graphql-core >= 3 and python >= 3.6 dependencies
---
examples/request_graphql.py | 30 ++++++++++++++++++++++++++++--
requirements.txt | 1 +
2 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/examples/request_graphql.py b/examples/request_graphql.py
index 4322ac6e..d50e956e 100644
--- a/examples/request_graphql.py
+++ b/examples/request_graphql.py
@@ -1,12 +1,16 @@
import asyncio
+import sys
+import json
from duniterpy.api.client import Client
+from graphql import get_introspection_query, build_client_schema, language, validate
+from graphql.error import GraphQLSyntaxError
# CONFIG #######################################
# You can either use a complete defined endpoint : [NAME_OF_THE_API] [DOMAIN] [IPv4] [IPv6] [PORT]
# or the simple definition : [NAME_OF_THE_API] [DOMAIN] [PORT]
-# Here we use the secure BASIC_MERKLED_API (BMAS)
+# Here we use the secure BASIC_MERKLED_API (BMAS) for standard http over ssl requests
SWAPI_ENDPOINT = "BMAS swapi.graph.cool 443"
@@ -16,6 +20,14 @@ SWAPI_ENDPOINT = "BMAS swapi.graph.cool 443"
async def main():
client = Client(SWAPI_ENDPOINT)
+ # get query to get schema from api
+ query = get_introspection_query(False)
+ # get schema from api
+ response = await client.query(query)
+ # convert response dict to schema
+ schema = build_client_schema(response["data"])
+
+ # create all films query
query = """query {
allFilms {
title,
@@ -25,9 +37,23 @@ async def main():
}
}
"""
+ # check query syntax
+ try:
+ ast_document = language.parse(query)
+ except GraphQLSyntaxError as exception:
+ print("Query syntax error: {0}".format(exception.message))
+ sys.exit(1)
+
+ # validate query against schema
+ errors = validate(schema, ast_document)
+ if errors:
+ print("Schema errors:")
+ print(errors)
+ sys.exit(1)
+ # send valid query to api
response = await client.query(query)
- print(response)
+ print(json.dumps(response, indent=2))
# Close client aiohttp session
await client.close()
diff --git a/requirements.txt b/requirements.txt
index 81583a9b..639b46bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,3 +6,4 @@ jsonschema>=2.6.0
pypeg2>=2.15.2
attrs==19.3.0
pyaes>=1.6.1
+graphql-core>=3
\ No newline at end of file
--
GitLab