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Commit288f39c

Browse files
nejchmax-wittig
authored andcommitted
feat(graphql): add async client
1 parent8046387 commit288f39c

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9 files changed

+259
-36
lines changed

9 files changed

+259
-36
lines changed

‎README.rst‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -25,9 +25,10 @@ python-gitlab
2525
..image::https://img.shields.io/github/license/python-gitlab/python-gitlab
2626
:target:https://github.com/python-gitlab/python-gitlab/blob/main/COPYING
2727

28-
``python-gitlab`` is a Python package providing access to the GitLabserver API.
28+
``python-gitlab`` is a Python package providing access to the GitLabAPIs.
2929

30-
It supports the v4 API of GitLab, and provides a CLI tool (``gitlab``).
30+
It includes a client for GitLab's v4 REST API, synchronous and asynchronous GraphQL API
31+
clients, as well as a CLI tool (``gitlab``) wrapping REST API endpoints.
3132

3233
.. _features:
3334

@@ -39,6 +40,7 @@ Features
3940
* write Pythonic code to manage your GitLab resources.
4041
* pass arbitrary parameters to the GitLab API. Simply follow GitLab's docs
4142
on what parameters are available.
43+
* use a synchronous or asynchronous client when using the GraphQL API.
4244
* access arbitrary endpoints as soon as they are available on GitLab, by using
4345
lower-level API methods.
4446
* use persistent requests sessions for authentication, proxy and certificate handling.

‎docs/api-usage-graphql.rst‎

Lines changed: 26 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,8 @@
22
Using the GraphQL API (beta)
33
############################
44

5-
python-gitlab provides basic support for executing GraphQL queries and mutations.
5+
python-gitlab provides basic support for executing GraphQL queries and mutations,
6+
providing both a synchronous and asynchronous client.
67

78
..danger::
89

@@ -13,10 +14,11 @@ python-gitlab provides basic support for executing GraphQL queries and mutations
1314
It is currently unstable and its implementation may change. You can expect a more
1415
mature client in one of the upcoming versions.
1516

16-
The ``gitlab.GraphQL``class
17-
==================================
17+
The ``gitlab.GraphQL``and ``gitlab.AsyncGraphQL`` classes
18+
==========================================================
1819

19-
As with the REST client, you connect to a GitLab instance by creating a ``gitlab.GraphQL`` object:
20+
As with the REST client, you connect to a GitLab instance by creating a ``gitlab.GraphQL``
21+
(for synchronous code) or ``gitlab.AsyncGraphQL`` instance (for asynchronous code):
2022

2123
..code-block::python
2224
@@ -34,6 +36,12 @@ As with the REST client, you connect to a GitLab instance by creating a ``gitlab
3436
# personal access token or OAuth2 token authentication (self-hosted GitLab instance)
3537
gq= gitlab.GraphQL('https://gitlab.example.com',token='glpat-JVNSESs8EwWRx5yDxM5q')
3638
39+
# or the async equivalents
40+
async_gq= gitlab.AsyncGraphQL()
41+
async_gq= gitlab.AsyncGraphQL('https://gitlab.example.com')
42+
async_gq= gitlab.AsyncGraphQL(token='glpat-JVNSESs8EwWRx5yDxM5q')
43+
async_gq= gitlab.AsyncGraphQL('https://gitlab.example.com',token='glpat-JVNSESs8EwWRx5yDxM5q')
44+
3745
Sending queries
3846
===============
3947

@@ -50,3 +58,17 @@ Get the result of a query:
5058
"""
5159
5260
result= gq.execute(query)
61+
62+
Get the result of a query using the async client:
63+
64+
..code-block::python
65+
66+
query="""{
67+
query {
68+
currentUser {
69+
name
70+
}
71+
}
72+
"""
73+
74+
result=await async_gq.execute(query)

‎gitlab/__init__.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -27,7 +27,7 @@
2727
__title__,
2828
__version__,
2929
)
30-
fromgitlab.clientimportGitlab,GitlabList,GraphQL# noqa: F401
30+
fromgitlab.clientimportAsyncGraphQL,Gitlab,GitlabList,GraphQL# noqa: F401
3131
fromgitlab.exceptionsimport*# noqa: F401,F403
3232

3333
warnings.filterwarnings("default",category=DeprecationWarning,module="^gitlab")
@@ -42,6 +42,7 @@
4242
"__version__",
4343
"Gitlab",
4444
"GitlabList",
45+
"AsyncGraphQL",
4546
"GraphQL",
4647
]
4748
__all__.extend(gitlab.exceptions.__all__)

‎gitlab/_backends/graphql.py‎

Lines changed: 21 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
fromtypingimportAny
22

33
importhttpx
4-
fromgql.transport.httpximportHTTPXTransport
4+
fromgql.transport.httpximportHTTPXAsyncTransport,HTTPXTransport
55

66

77
classGitlabTransport(HTTPXTransport):
@@ -22,3 +22,23 @@ def connect(self) -> None:
2222

2323
defclose(self)->None:
2424
pass
25+
26+
27+
classGitlabAsyncTransport(HTTPXAsyncTransport):
28+
"""An async gql httpx transport that reuses an existing httpx.AsyncClient.
29+
By default, gql's transports do not have a keep-alive session
30+
and do not enable providing your own session that's kept open.
31+
This transport lets us provide and close our session on our own
32+
and provide additional auth.
33+
For details, see https://github.com/graphql-python/gql/issues/91.
34+
"""
35+
36+
def__init__(self,*args:Any,client:httpx.AsyncClient,**kwargs:Any):
37+
super().__init__(*args,**kwargs)
38+
self.client=client
39+
40+
asyncdefconnect(self)->None:
41+
pass
42+
43+
asyncdefclose(self)->None:
44+
pass

‎gitlab/client.py‎

Lines changed: 120 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -32,7 +32,7 @@
3232
importgraphql
3333
importhttpx
3434

35-
from ._backends.graphqlimportGitlabTransport
35+
from ._backends.graphqlimportGitlabAsyncTransport,GitlabTransport
3636

3737
_GQL_INSTALLED=True
3838
exceptImportError:# pragma: no cover
@@ -1278,14 +1278,13 @@ def next(self) -> Dict[str, Any]:
12781278
raiseStopIteration
12791279

12801280

1281-
classGraphQL:
1281+
class_BaseGraphQL:
12821282
def__init__(
12831283
self,
12841284
url:Optional[str]=None,
12851285
*,
12861286
token:Optional[str]=None,
12871287
ssl_verify:Union[bool,str]=True,
1288-
client:Optional[httpx.Client]=None,
12891288
timeout:Optional[float]=None,
12901289
user_agent:str=gitlab.const.USER_AGENT,
12911290
fetch_schema_from_transport:bool=False,
@@ -1308,9 +1307,50 @@ def __init__(
13081307
self._max_retries=max_retries
13091308
self._obey_rate_limit=obey_rate_limit
13101309
self._retry_transient_errors=retry_transient_errors
1310+
self._client_opts=self._get_client_opts()
1311+
self._fetch_schema_from_transport=fetch_schema_from_transport
1312+
1313+
def_get_client_opts(self)->Dict[str,Any]:
1314+
headers= {"User-Agent":self._user_agent}
1315+
1316+
ifself._token:
1317+
headers["Authorization"]=f"Bearer{self._token}"
1318+
1319+
return {
1320+
"headers":headers,
1321+
"timeout":self._timeout,
1322+
"verify":self._ssl_verify,
1323+
}
1324+
13111325

1312-
opts=self._get_client_opts()
1313-
self._http_client=clientorhttpx.Client(**opts)
1326+
classGraphQL(_BaseGraphQL):
1327+
def__init__(
1328+
self,
1329+
url:Optional[str]=None,
1330+
*,
1331+
token:Optional[str]=None,
1332+
ssl_verify:Union[bool,str]=True,
1333+
client:Optional[httpx.Client]=None,
1334+
timeout:Optional[float]=None,
1335+
user_agent:str=gitlab.const.USER_AGENT,
1336+
fetch_schema_from_transport:bool=False,
1337+
max_retries:int=10,
1338+
obey_rate_limit:bool=True,
1339+
retry_transient_errors:bool=False,
1340+
)->None:
1341+
super().__init__(
1342+
url=url,
1343+
token=token,
1344+
ssl_verify=ssl_verify,
1345+
timeout=timeout,
1346+
user_agent=user_agent,
1347+
fetch_schema_from_transport=fetch_schema_from_transport,
1348+
max_retries=max_retries,
1349+
obey_rate_limit=obey_rate_limit,
1350+
retry_transient_errors=retry_transient_errors,
1351+
)
1352+
1353+
self._http_client=clientorhttpx.Client(**self._client_opts)
13141354
self._transport=GitlabTransport(self._url,client=self._http_client)
13151355
self._client=gql.Client(
13161356
transport=self._transport,
@@ -1324,19 +1364,81 @@ def __enter__(self) -> "GraphQL":
13241364
def__exit__(self,*args:Any)->None:
13251365
self._http_client.close()
13261366

1327-
def_get_client_opts(self)->Dict[str,Any]:
1328-
headers= {"User-Agent":self._user_agent}
1367+
defexecute(
1368+
self,request:Union[str,graphql.Source],*args:Any,**kwargs:Any
1369+
)->Any:
1370+
parsed_document=self._gql(request)
1371+
retry=utils.Retry(
1372+
max_retries=self._max_retries,
1373+
obey_rate_limit=self._obey_rate_limit,
1374+
retry_transient_errors=self._retry_transient_errors,
1375+
)
13291376

1330-
ifself._token:
1331-
headers["Authorization"]=f"Bearer{self._token}"
1377+
whileTrue:
1378+
try:
1379+
result=self._client.execute(parsed_document,*args,**kwargs)
1380+
exceptgql.transport.exceptions.TransportServerErrorase:
1381+
ifretry.handle_retry_on_status(
1382+
status_code=e.code,headers=self._transport.response_headers
1383+
):
1384+
continue
13321385

1333-
return {
1334-
"headers":headers,
1335-
"timeout":self._timeout,
1336-
"verify":self._ssl_verify,
1337-
}
1386+
ife.code==401:
1387+
raisegitlab.exceptions.GitlabAuthenticationError(
1388+
response_code=e.code,
1389+
error_message=str(e),
1390+
)
13381391

1339-
defexecute(
1392+
raisegitlab.exceptions.GitlabHttpError(
1393+
response_code=e.code,
1394+
error_message=str(e),
1395+
)
1396+
1397+
returnresult
1398+
1399+
1400+
classAsyncGraphQL(_BaseGraphQL):
1401+
def__init__(
1402+
self,
1403+
url:Optional[str]=None,
1404+
*,
1405+
token:Optional[str]=None,
1406+
ssl_verify:Union[bool,str]=True,
1407+
client:Optional[httpx.AsyncClient]=None,
1408+
timeout:Optional[float]=None,
1409+
user_agent:str=gitlab.const.USER_AGENT,
1410+
fetch_schema_from_transport:bool=False,
1411+
max_retries:int=10,
1412+
obey_rate_limit:bool=True,
1413+
retry_transient_errors:bool=False,
1414+
)->None:
1415+
super().__init__(
1416+
url=url,
1417+
token=token,
1418+
ssl_verify=ssl_verify,
1419+
timeout=timeout,
1420+
user_agent=user_agent,
1421+
fetch_schema_from_transport=fetch_schema_from_transport,
1422+
max_retries=max_retries,
1423+
obey_rate_limit=obey_rate_limit,
1424+
retry_transient_errors=retry_transient_errors,
1425+
)
1426+
1427+
self._http_client=clientorhttpx.AsyncClient(**self._client_opts)
1428+
self._transport=GitlabAsyncTransport(self._url,client=self._http_client)
1429+
self._client=gql.Client(
1430+
transport=self._transport,
1431+
fetch_schema_from_transport=fetch_schema_from_transport,
1432+
)
1433+
self._gql=gql.gql
1434+
1435+
asyncdef__aenter__(self)->"AsyncGraphQL":
1436+
returnself
1437+
1438+
asyncdef__aexit__(self,*args:Any)->None:
1439+
awaitself._http_client.aclose()
1440+
1441+
asyncdefexecute(
13401442
self,request:Union[str,graphql.Source],*args:Any,**kwargs:Any
13411443
)->Any:
13421444
parsed_document=self._gql(request)
@@ -1348,7 +1450,9 @@ def execute(
13481450

13491451
whileTrue:
13501452
try:
1351-
result=self._client.execute(parsed_document,*args,**kwargs)
1453+
result=awaitself._client.execute_async(
1454+
parsed_document,*args,**kwargs
1455+
)
13521456
exceptgql.transport.exceptions.TransportServerErrorase:
13531457
ifretry.handle_retry_on_status(
13541458
status_code=e.code,headers=self._transport.response_headers

‎pyproject.toml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
44

55
[project]
66
name ="python-gitlab"
7-
description="A python wrapper for the GitLabAPI"
7+
description="The python wrapper for the GitLabREST and GraphQL APIs."
88
readme ="README.rst"
99
authors = [
1010
{name ="Gauvain Pocentek",email="gauvain@pocentek.net"}

‎requirements-test.txt‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,5 @@
11
-r requirements.txt
2+
anyio==4.6.2.post1
23
build==1.2.2.post1
34
coverage==7.6.8
45
pytest-console-scripts==1.4.1
@@ -8,4 +9,5 @@ pytest==8.3.4
89
PyYaml==6.0.2
910
responses==0.25.3
1011
respx==0.21.1
12+
trio==0.27.0
1113
wheel==0.45.1
Lines changed: 13 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,20 +1,28 @@
1-
importlogging
2-
31
importpytest
42

53
importgitlab
64

75

86
@pytest.fixture
97
defgl_gql(gitlab_url:str,gitlab_token:str)->gitlab.GraphQL:
10-
logging.info("Instantiating gitlab.GraphQL instance")
11-
instance=gitlab.GraphQL(gitlab_url,token=gitlab_token)
8+
returngitlab.GraphQL(gitlab_url,token=gitlab_token)
9+
1210

13-
returninstance
11+
@pytest.fixture
12+
defgl_async_gql(gitlab_url:str,gitlab_token:str)->gitlab.AsyncGraphQL:
13+
returngitlab.AsyncGraphQL(gitlab_url,token=gitlab_token)
1414

1515

1616
deftest_query_returns_valid_response(gl_gql:gitlab.GraphQL):
1717
query="query {currentUser {active}}"
1818

1919
response=gl_gql.execute(query)
2020
assertresponse["currentUser"]["active"]isTrue
21+
22+
23+
@pytest.mark.anyio
24+
asyncdeftest_async_query_returns_valid_response(gl_async_gql:gitlab.AsyncGraphQL):
25+
query="query {currentUser {active}}"
26+
27+
response=awaitgl_async_gql.execute(query)
28+
assertresponse["currentUser"]["active"]isTrue

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