From 0159f474c6bbc15f20d52bc946bd252bd852b196 Mon Sep 17 00:00:00 2001 From: geetu040 Date: Tue, 30 Dec 2025 09:11:27 +0500 Subject: [PATCH 1/7] set up folder structure and base code --- openml/_api/__init__.py | 8 +++ openml/_api/config.py | 5 ++ openml/_api/http/__init__.py | 1 + openml/_api/http/client.py | 23 ++++++ openml/_api/http/utils.py | 0 openml/_api/resources/__init__.py | 2 + openml/_api/resources/base.py | 22 ++++++ openml/_api/resources/datasets.py | 13 ++++ openml/_api/resources/tasks.py | 113 ++++++++++++++++++++++++++++++ openml/_api/runtime/core.py | 58 +++++++++++++++ openml/_api/runtime/fallback.py | 5 ++ openml/tasks/functions.py | 8 ++- 12 files changed, 255 insertions(+), 3 deletions(-) create mode 100644 openml/_api/__init__.py create mode 100644 openml/_api/config.py create mode 100644 openml/_api/http/__init__.py create mode 100644 openml/_api/http/client.py create mode 100644 openml/_api/http/utils.py create mode 100644 openml/_api/resources/__init__.py create mode 100644 openml/_api/resources/base.py create mode 100644 openml/_api/resources/datasets.py create mode 100644 openml/_api/resources/tasks.py create mode 100644 openml/_api/runtime/core.py create mode 100644 openml/_api/runtime/fallback.py diff --git a/openml/_api/__init__.py b/openml/_api/__init__.py new file mode 100644 index 000000000..5089f94dd --- /dev/null +++ b/openml/_api/__init__.py @@ -0,0 +1,8 @@ +from openml._api.runtime.core import APIContext + + +def set_api_version(version: str, strict=False): + api_context.set_version(version=version, strict=strict) + + +api_context = APIContext() diff --git a/openml/_api/config.py b/openml/_api/config.py new file mode 100644 index 000000000..bd93c3cad --- /dev/null +++ b/openml/_api/config.py @@ -0,0 +1,5 @@ +from __future__ import annotations + +API_V1_SERVER = "https://www.openml.org/api/v1/xml" +API_V2_SERVER = "http://127.0.0.1:8001" +API_KEY = "..." diff --git a/openml/_api/http/__init__.py b/openml/_api/http/__init__.py new file mode 100644 index 000000000..fde2a5b0a --- /dev/null +++ b/openml/_api/http/__init__.py @@ -0,0 +1 @@ +from openml._api.http.client import HTTPClient diff --git a/openml/_api/http/client.py b/openml/_api/http/client.py new file mode 100644 index 000000000..81a9213e3 --- /dev/null +++ b/openml/_api/http/client.py @@ -0,0 +1,23 @@ +from __future__ import annotations + +import requests + +from openml.__version__ import __version__ + + +class HTTPClient: + def __init__(self, base_url: str): + self.base_url = base_url + self.headers = {"user-agent": f"openml-python/{__version__}"} + + def get(self, path, params=None): + url = f"{self.base_url}/{path}" + return requests.get(url, params=params, headers=self.headers) + + def post(self, path, data=None, files=None): + url = f"{self.base_url}/{path}" + return requests.post(url, data=data, files=files, headers=self.headers) + + def delete(self, path, params=None): + url = f"{self.base_url}/{path}" + return requests.delete(url, params=params, headers=self.headers) diff --git a/openml/_api/http/utils.py b/openml/_api/http/utils.py new file mode 100644 index 000000000..e69de29bb diff --git a/openml/_api/resources/__init__.py b/openml/_api/resources/__init__.py new file mode 100644 index 000000000..078fc5998 --- /dev/null +++ b/openml/_api/resources/__init__.py @@ -0,0 +1,2 @@ +from openml._api.resources.datasets import DatasetsV1, DatasetsV2 +from openml._api.resources.tasks import TasksV1, TasksV2 diff --git a/openml/_api/resources/base.py b/openml/_api/resources/base.py new file mode 100644 index 000000000..1fae27665 --- /dev/null +++ b/openml/_api/resources/base.py @@ -0,0 +1,22 @@ +from __future__ import annotations + +from abc import ABC, abstractmethod +from typing import TYPE_CHECKING + +if TYPE_CHECKING: + from openml._api.http import HTTPClient + + +class ResourceAPI: + def __init__(self, http: HTTPClient): + self._http = http + + +class DatasetsAPI(ResourceAPI, ABC): + @abstractmethod + def get(self, id: int) -> dict: ... + + +class TasksAPI(ResourceAPI, ABC): + @abstractmethod + def get(self, id: int) -> dict: ... diff --git a/openml/_api/resources/datasets.py b/openml/_api/resources/datasets.py new file mode 100644 index 000000000..cd1bb595a --- /dev/null +++ b/openml/_api/resources/datasets.py @@ -0,0 +1,13 @@ +from __future__ import annotations + +from openml._api.resources.base import DatasetsAPI + + +class DatasetsV1(DatasetsAPI): + def get(self, id): + pass + + +class DatasetsV2(DatasetsAPI): + def get(self, id): + pass diff --git a/openml/_api/resources/tasks.py b/openml/_api/resources/tasks.py new file mode 100644 index 000000000..b0e9afbf8 --- /dev/null +++ b/openml/_api/resources/tasks.py @@ -0,0 +1,113 @@ +from __future__ import annotations + +import xmltodict + +from openml._api.resources.base import TasksAPI +from openml.tasks.task import ( + OpenMLClassificationTask, + OpenMLClusteringTask, + OpenMLLearningCurveTask, + OpenMLRegressionTask, + OpenMLTask, + TaskType, +) + + +class TasksV1(TasksAPI): + def get(self, id, return_response=False): + path = f"task/{id}" + response = self._http.get(path) + xml_content = response.content + task = self._create_task_from_xml(xml_content) + + if return_response: + return task, response + + return task + + def _create_task_from_xml(self, xml: str) -> OpenMLTask: + """Create a task given a xml string. + + Parameters + ---------- + xml : string + Task xml representation. + + Returns + ------- + OpenMLTask + """ + dic = xmltodict.parse(xml)["oml:task"] + estimation_parameters = {} + inputs = {} + # Due to the unordered structure we obtain, we first have to extract + # the possible keys of oml:input; dic["oml:input"] is a list of + # OrderedDicts + + # Check if there is a list of inputs + if isinstance(dic["oml:input"], list): + for input_ in dic["oml:input"]: + name = input_["@name"] + inputs[name] = input_ + # Single input case + elif isinstance(dic["oml:input"], dict): + name = dic["oml:input"]["@name"] + inputs[name] = dic["oml:input"] + + evaluation_measures = None + if "evaluation_measures" in inputs: + evaluation_measures = inputs["evaluation_measures"]["oml:evaluation_measures"][ + "oml:evaluation_measure" + ] + + task_type = TaskType(int(dic["oml:task_type_id"])) + common_kwargs = { + "task_id": dic["oml:task_id"], + "task_type": dic["oml:task_type"], + "task_type_id": task_type, + "data_set_id": inputs["source_data"]["oml:data_set"]["oml:data_set_id"], + "evaluation_measure": evaluation_measures, + } + # TODO: add OpenMLClusteringTask? + if task_type in ( + TaskType.SUPERVISED_CLASSIFICATION, + TaskType.SUPERVISED_REGRESSION, + TaskType.LEARNING_CURVE, + ): + # Convert some more parameters + for parameter in inputs["estimation_procedure"]["oml:estimation_procedure"][ + "oml:parameter" + ]: + name = parameter["@name"] + text = parameter.get("#text", "") + estimation_parameters[name] = text + + common_kwargs["estimation_procedure_type"] = inputs["estimation_procedure"][ + "oml:estimation_procedure" + ]["oml:type"] + common_kwargs["estimation_procedure_id"] = int( + inputs["estimation_procedure"]["oml:estimation_procedure"]["oml:id"] + ) + + common_kwargs["estimation_parameters"] = estimation_parameters + common_kwargs["target_name"] = inputs["source_data"]["oml:data_set"][ + "oml:target_feature" + ] + common_kwargs["data_splits_url"] = inputs["estimation_procedure"][ + "oml:estimation_procedure" + ]["oml:data_splits_url"] + + cls = { + TaskType.SUPERVISED_CLASSIFICATION: OpenMLClassificationTask, + TaskType.SUPERVISED_REGRESSION: OpenMLRegressionTask, + TaskType.CLUSTERING: OpenMLClusteringTask, + TaskType.LEARNING_CURVE: OpenMLLearningCurveTask, + }.get(task_type) + if cls is None: + raise NotImplementedError(f"Task type {common_kwargs['task_type']} not supported.") + return cls(**common_kwargs) # type: ignore + + +class TasksV2(TasksAPI): + def get(self, id): + pass diff --git a/openml/_api/runtime/core.py b/openml/_api/runtime/core.py new file mode 100644 index 000000000..80f35587c --- /dev/null +++ b/openml/_api/runtime/core.py @@ -0,0 +1,58 @@ +from __future__ import annotations + +from openml._api.config import ( + API_V1_SERVER, + API_V2_SERVER, +) +from openml._api.http.client import HTTPClient +from openml._api.resources import ( + DatasetsV1, + DatasetsV2, + TasksV1, + TasksV2, +) +from openml._api.runtime.fallback import FallbackProxy + + +class APIBackend: + def __init__(self, *, datasets, tasks): + self.datasets = datasets + self.tasks = tasks + + +def build_backend(version: str, strict: bool) -> APIBackend: + v1_http = HTTPClient(API_V1_SERVER) + v2_http = HTTPClient(API_V2_SERVER) + + v1 = APIBackend( + datasets=DatasetsV1(v1_http), + tasks=TasksV1(v1_http), + ) + + if version == "v1": + return v1 + + v2 = APIBackend( + datasets=DatasetsV2(v2_http), + tasks=TasksV2(v2_http), + ) + + if strict: + return v2 + + return APIBackend( + datasets=FallbackProxy(v2.datasets, v1.datasets), + tasks=FallbackProxy(v2.tasks, v1.tasks), + ) + + +class APIContext: + def __init__(self): + self._backend = build_backend("v1", strict=False) + + def set_version(self, version: str, strict: bool = False): + self._backend = build_backend(version, strict) + + @property + def backend(self): + return self._backend diff --git a/openml/_api/runtime/fallback.py b/openml/_api/runtime/fallback.py new file mode 100644 index 000000000..56e96a966 --- /dev/null +++ b/openml/_api/runtime/fallback.py @@ -0,0 +1,5 @@ +from __future__ import annotations + + +class FallbackProxy: + pass diff --git a/openml/tasks/functions.py b/openml/tasks/functions.py index d2bf5e946..91be65965 100644 --- a/openml/tasks/functions.py +++ b/openml/tasks/functions.py @@ -12,6 +12,7 @@ import openml._api_calls import openml.utils +from openml._api import api_context from openml.datasets import get_dataset from openml.exceptions import OpenMLCacheException @@ -442,11 +443,12 @@ def _get_task_description(task_id: int) -> OpenMLTask: except OpenMLCacheException: _cache_dir = openml.utils._create_cache_directory_for_id(TASKS_CACHE_DIR_NAME, task_id) xml_file = _cache_dir / "task.xml" - task_xml = openml._api_calls._perform_api_call("task/%d" % task_id, "get") + task, response = api_context.backend.tasks.get(task_id, return_response=True) with xml_file.open("w", encoding="utf8") as fh: - fh.write(task_xml) - return _create_task_from_xml(task_xml) + fh.write(response.text) + + return task def _create_task_from_xml(xml: str) -> OpenMLTask: From 52ef37999fad8509e5e85b8512e442bd9dc69e04 Mon Sep 17 00:00:00 2001 From: geetu040 Date: Mon, 5 Jan 2026 12:48:58 +0500 Subject: [PATCH 2/7] fix pre-commit --- openml/_api/__init__.py | 2 +- openml/_api/http/__init__.py | 2 ++ openml/_api/http/client.py | 32 +++++++++++++++++++++++-------- openml/_api/resources/__init__.py | 2 ++ openml/_api/resources/base.py | 13 +++++++++++-- openml/_api/resources/datasets.py | 15 +++++++++++---- openml/_api/resources/tasks.py | 25 +++++++++++++++++++----- openml/_api/runtime/__init__.py | 0 openml/_api/runtime/core.py | 23 +++++++++++----------- openml/_api/runtime/fallback.py | 9 ++++++++- openml/tasks/functions.py | 12 ++++++++---- 11 files changed, 99 insertions(+), 36 deletions(-) create mode 100644 openml/_api/runtime/__init__.py diff --git a/openml/_api/__init__.py b/openml/_api/__init__.py index 5089f94dd..881f40671 100644 --- a/openml/_api/__init__.py +++ b/openml/_api/__init__.py @@ -1,7 +1,7 @@ from openml._api.runtime.core import APIContext -def set_api_version(version: str, strict=False): +def set_api_version(version: str, *, strict: bool = False) -> None: api_context.set_version(version=version, strict=strict) diff --git a/openml/_api/http/__init__.py b/openml/_api/http/__init__.py index fde2a5b0a..8e6d1e4ce 100644 --- a/openml/_api/http/__init__.py +++ b/openml/_api/http/__init__.py @@ -1 +1,3 @@ from openml._api.http.client import HTTPClient + +__all__ = ["HTTPClient"] diff --git a/openml/_api/http/client.py b/openml/_api/http/client.py index 81a9213e3..dea5de809 100644 --- a/openml/_api/http/client.py +++ b/openml/_api/http/client.py @@ -1,23 +1,39 @@ from __future__ import annotations +from typing import Any, Mapping + import requests +from requests import Response from openml.__version__ import __version__ class HTTPClient: - def __init__(self, base_url: str): + def __init__(self, base_url: str) -> None: self.base_url = base_url - self.headers = {"user-agent": f"openml-python/{__version__}"} + self.headers: dict[str, str] = {"user-agent": f"openml-python/{__version__}"} - def get(self, path, params=None): + def get( + self, + path: str, + params: Mapping[str, Any] | None = None, + ) -> Response: url = f"{self.base_url}/{path}" - return requests.get(url, params=params, headers=self.headers) + return requests.get(url, params=params, headers=self.headers, timeout=10) - def post(self, path, data=None, files=None): + def post( + self, + path: str, + data: Mapping[str, Any] | None = None, + files: Any = None, + ) -> Response: url = f"{self.base_url}/{path}" - return requests.post(url, data=data, files=files, headers=self.headers) + return requests.post(url, data=data, files=files, headers=self.headers, timeout=10) - def delete(self, path, params=None): + def delete( + self, + path: str, + params: Mapping[str, Any] | None = None, + ) -> Response: url = f"{self.base_url}/{path}" - return requests.delete(url, params=params, headers=self.headers) + return requests.delete(url, params=params, headers=self.headers, timeout=10) diff --git a/openml/_api/resources/__init__.py b/openml/_api/resources/__init__.py index 078fc5998..b1af3c1a8 100644 --- a/openml/_api/resources/__init__.py +++ b/openml/_api/resources/__init__.py @@ -1,2 +1,4 @@ from openml._api.resources.datasets import DatasetsV1, DatasetsV2 from openml._api.resources.tasks import TasksV1, TasksV2 + +__all__ = ["DatasetsV1", "DatasetsV2", "TasksV1", "TasksV2"] diff --git a/openml/_api/resources/base.py b/openml/_api/resources/base.py index 1fae27665..6fbf8977d 100644 --- a/openml/_api/resources/base.py +++ b/openml/_api/resources/base.py @@ -4,7 +4,11 @@ from typing import TYPE_CHECKING if TYPE_CHECKING: + from requests import Response + from openml._api.http import HTTPClient + from openml.datasets.dataset import OpenMLDataset + from openml.tasks.task import OpenMLTask class ResourceAPI: @@ -14,9 +18,14 @@ def __init__(self, http: HTTPClient): class DatasetsAPI(ResourceAPI, ABC): @abstractmethod - def get(self, id: int) -> dict: ... + def get(self, dataset_id: int) -> OpenMLDataset | tuple[OpenMLDataset, Response]: ... class TasksAPI(ResourceAPI, ABC): @abstractmethod - def get(self, id: int) -> dict: ... + def get( + self, + task_id: int, + *, + return_response: bool = False, + ) -> OpenMLTask | tuple[OpenMLTask, Response]: ... diff --git a/openml/_api/resources/datasets.py b/openml/_api/resources/datasets.py index cd1bb595a..9ff1ec278 100644 --- a/openml/_api/resources/datasets.py +++ b/openml/_api/resources/datasets.py @@ -1,13 +1,20 @@ from __future__ import annotations +from typing import TYPE_CHECKING + from openml._api.resources.base import DatasetsAPI +if TYPE_CHECKING: + from responses import Response + + from openml.datasets.dataset import OpenMLDataset + class DatasetsV1(DatasetsAPI): - def get(self, id): - pass + def get(self, dataset_id: int) -> OpenMLDataset | tuple[OpenMLDataset, Response]: + raise NotImplementedError class DatasetsV2(DatasetsAPI): - def get(self, id): - pass + def get(self, dataset_id: int) -> OpenMLDataset | tuple[OpenMLDataset, Response]: + raise NotImplementedError diff --git a/openml/_api/resources/tasks.py b/openml/_api/resources/tasks.py index b0e9afbf8..f494fb9a3 100644 --- a/openml/_api/resources/tasks.py +++ b/openml/_api/resources/tasks.py @@ -1,5 +1,7 @@ from __future__ import annotations +from typing import TYPE_CHECKING + import xmltodict from openml._api.resources.base import TasksAPI @@ -12,12 +14,20 @@ TaskType, ) +if TYPE_CHECKING: + from requests import Response + class TasksV1(TasksAPI): - def get(self, id, return_response=False): - path = f"task/{id}" + def get( + self, + task_id: int, + *, + return_response: bool = False, + ) -> OpenMLTask | tuple[OpenMLTask, Response]: + path = f"task/{task_id}" response = self._http.get(path) - xml_content = response.content + xml_content = response.text task = self._create_task_from_xml(xml_content) if return_response: @@ -109,5 +119,10 @@ def _create_task_from_xml(self, xml: str) -> OpenMLTask: class TasksV2(TasksAPI): - def get(self, id): - pass + def get( + self, + task_id: int, + *, + return_response: bool = False, + ) -> OpenMLTask | tuple[OpenMLTask, Response]: + raise NotImplementedError diff --git a/openml/_api/runtime/__init__.py b/openml/_api/runtime/__init__.py new file mode 100644 index 000000000..e69de29bb diff --git a/openml/_api/runtime/core.py b/openml/_api/runtime/core.py index 80f35587c..aa09a69db 100644 --- a/openml/_api/runtime/core.py +++ b/openml/_api/runtime/core.py @@ -1,5 +1,7 @@ from __future__ import annotations +from typing import TYPE_CHECKING + from openml._api.config import ( API_V1_SERVER, API_V2_SERVER, @@ -11,16 +13,18 @@ TasksV1, TasksV2, ) -from openml._api.runtime.fallback import FallbackProxy + +if TYPE_CHECKING: + from openml._api.resources.base import DatasetsAPI, TasksAPI class APIBackend: - def __init__(self, *, datasets, tasks): + def __init__(self, *, datasets: DatasetsAPI, tasks: TasksAPI): self.datasets = datasets self.tasks = tasks -def build_backend(version: str, strict: bool) -> APIBackend: +def build_backend(version: str, *, strict: bool) -> APIBackend: v1_http = HTTPClient(API_V1_SERVER) v2_http = HTTPClient(API_V2_SERVER) @@ -40,19 +44,16 @@ def build_backend(version: str, strict: bool) -> APIBackend: if strict: return v2 - return APIBackend( - datasets=FallbackProxy(v2.datasets, v1.datasets), - tasks=FallbackProxy(v2.tasks, v1.tasks), - ) + return v1 class APIContext: - def __init__(self): + def __init__(self) -> None: self._backend = build_backend("v1", strict=False) - def set_version(self, version: str, strict: bool = False): - self._backend = build_backend(version, strict) + def set_version(self, version: str, *, strict: bool = False) -> None: + self._backend = build_backend(version=version, strict=strict) @property - def backend(self): + def backend(self) -> APIBackend: return self._backend diff --git a/openml/_api/runtime/fallback.py b/openml/_api/runtime/fallback.py index 56e96a966..1bc99d270 100644 --- a/openml/_api/runtime/fallback.py +++ b/openml/_api/runtime/fallback.py @@ -1,5 +1,12 @@ from __future__ import annotations +from typing import TYPE_CHECKING + +if TYPE_CHECKING: + from openml._api.resources.base import ResourceAPI + class FallbackProxy: - pass + def __init__(self, primary: ResourceAPI, fallback: ResourceAPI): + self._primary = primary + self._fallback = fallback diff --git a/openml/tasks/functions.py b/openml/tasks/functions.py index ef67f75bf..a794ad56d 100644 --- a/openml/tasks/functions.py +++ b/openml/tasks/functions.py @@ -445,10 +445,14 @@ def _get_task_description(task_id: int) -> OpenMLTask: except OpenMLCacheException: _cache_dir = openml.utils._create_cache_directory_for_id(TASKS_CACHE_DIR_NAME, task_id) xml_file = _cache_dir / "task.xml" - task, response = api_context.backend.tasks.get(task_id, return_response=True) - - with xml_file.open("w", encoding="utf8") as fh: - fh.write(response.text) + result = api_context.backend.tasks.get(task_id, return_response=True) + + if isinstance(result, tuple): + task, response = result + with xml_file.open("w", encoding="utf8") as fh: + fh.write(response.text) + else: + task = result return task From 5dfcbce55a027d19cd502ea7bb3d521c2b1bca29 Mon Sep 17 00:00:00 2001 From: geetu040 Date: Wed, 7 Jan 2026 22:14:31 +0500 Subject: [PATCH 3/7] refactor --- openml/_api/config.py | 62 +++++++++++++++++++++++++++++++++++-- openml/_api/http/client.py | 18 +++++++---- openml/_api/runtime/core.py | 9 ++---- 3 files changed, 74 insertions(+), 15 deletions(-) diff --git a/openml/_api/config.py b/openml/_api/config.py index bd93c3cad..1431f66b1 100644 --- a/openml/_api/config.py +++ b/openml/_api/config.py @@ -1,5 +1,61 @@ from __future__ import annotations -API_V1_SERVER = "https://www.openml.org/api/v1/xml" -API_V2_SERVER = "http://127.0.0.1:8001" -API_KEY = "..." +from dataclasses import dataclass +from typing import Literal + +DelayMethod = Literal["human", "robot"] + + +@dataclass +class APIConfig: + server: str + base_url: str + key: str + + +@dataclass +class APISettings: + v1: APIConfig + v2: APIConfig + + +@dataclass +class ConnectionConfig: + retries: int = 3 + delay_method: DelayMethod = "human" + delay_time: int = 1 # seconds + + def __post_init__(self) -> None: + if self.delay_method not in ("human", "robot"): + raise ValueError(f"delay_method must be 'human' or 'robot', got {self.delay_method}") + + +@dataclass +class CacheConfig: + dir: str = "~/.openml/cache" + ttl: int = 60 * 60 * 24 * 7 # one week + + +@dataclass +class Settings: + api: APISettings + connection: ConnectionConfig + cache: CacheConfig + + +settings = Settings( + api=APISettings( + v1=APIConfig( + server="https://www.openml.org/", + base_url="api/v1/xml/", + key="...", + ), + v2=APIConfig( + server="http://127.0.0.1:8001/", + base_url="", + key="...", + ), + ), + connection=ConnectionConfig(), + cache=CacheConfig(), +) diff --git a/openml/_api/http/client.py b/openml/_api/http/client.py index dea5de809..74e08c709 100644 --- a/openml/_api/http/client.py +++ b/openml/_api/http/client.py @@ -1,24 +1,30 @@ from __future__ import annotations -from typing import Any, Mapping +from typing import TYPE_CHECKING, Any, Mapping import requests from requests import Response from openml.__version__ import __version__ +if TYPE_CHECKING: + from openml._api.config import APIConfig + class HTTPClient: - def __init__(self, base_url: str) -> None: - self.base_url = base_url + def __init__(self, config: APIConfig) -> None: + self.config = config self.headers: dict[str, str] = {"user-agent": f"openml-python/{__version__}"} + def _create_url(self, path: str) -> str: + return self.config.server + self.config.base_url + path + def get( self, path: str, params: Mapping[str, Any] | None = None, ) -> Response: - url = f"{self.base_url}/{path}" + url = self._create_url(path) return requests.get(url, params=params, headers=self.headers, timeout=10) def post( @@ -27,7 +33,7 @@ def post( data: Mapping[str, Any] | None = None, files: Any = None, ) -> Response: - url = f"{self.base_url}/{path}" + url = self._create_url(path) return requests.post(url, data=data, files=files, headers=self.headers, timeout=10) def delete( @@ -35,5 +41,5 @@ def delete( path: str, params: Mapping[str, Any] | None = None, ) -> Response: - url = f"{self.base_url}/{path}" + url = self._create_url(path) return requests.delete(url, params=params, headers=self.headers, timeout=10) diff --git a/openml/_api/runtime/core.py b/openml/_api/runtime/core.py index aa09a69db..98b587411 100644 --- a/openml/_api/runtime/core.py +++ b/openml/_api/runtime/core.py @@ -2,10 +2,7 @@ from typing import TYPE_CHECKING -from openml._api.config import ( - API_V1_SERVER, - API_V2_SERVER, -) +from openml._api.config import settings from openml._api.http.client import HTTPClient from openml._api.resources import ( DatasetsV1, @@ -25,8 +22,8 @@ def __init__(self, *, datasets: DatasetsAPI, tasks: TasksAPI): def build_backend(version: str, *, strict: bool) -> APIBackend: - v1_http = HTTPClient(API_V1_SERVER) - v2_http = HTTPClient(API_V2_SERVER) + v1_http = HTTPClient(config=settings.api.v1) + v2_http = HTTPClient(config=settings.api.v2) v1 = APIBackend( datasets=DatasetsV1(v1_http), From 2acbe9992cf95bfc103ff4fa0c360a58c1842870 Mon Sep 17 00:00:00 2001 From: geetu040 Date: Wed, 7 Jan 2026 22:24:03 +0500 Subject: [PATCH 4/7] implement cache_dir --- openml/_api/http/client.py | 74 +++++++++++++++++++++++++++++++++----- 1 file changed, 66 insertions(+), 8 deletions(-) diff --git a/openml/_api/http/client.py b/openml/_api/http/client.py index 74e08c709..49b05c88e 100644 --- a/openml/_api/http/client.py +++ b/openml/_api/http/client.py @@ -1,36 +1,93 @@ from __future__ import annotations -from typing import TYPE_CHECKING, Any, Mapping +from pathlib import Path +from typing import TYPE_CHECKING, Any +from urllib.parse import urlencode, urljoin, urlparse import requests from requests import Response from openml.__version__ import __version__ +from openml._api.config import settings if TYPE_CHECKING: from openml._api.config import APIConfig -class HTTPClient: +class CacheMixin: + @property + def dir(self) -> str: + return settings.cache.dir + + @property + def ttl(self) -> int: + return settings.cache.ttl + + def _get_cache_directory(self, url: str, params: dict[str, Any]) -> Path: + parsed_url = urlparse(url) + netloc_parts = parsed_url.netloc.split(".")[::-1] # reverse domain + path_parts = parsed_url.path.strip("/").split("/") + + # remove api_key and serialize params if any + filtered_params = {k: v for k, v in params.items() if k != "api_key"} + params_part = [urlencode(filtered_params)] if filtered_params else [] + + return Path(self.dir).joinpath(*netloc_parts, *path_parts, *params_part) + + def _get_cache_response(self, url: str, params: dict[str, Any]) -> Response | None: # noqa: ARG002 + return None + + def _set_cache_response(self, url: str, params: dict[str, Any], response: Response) -> None: # noqa: ARG002 + return None + + +class HTTPClient(CacheMixin): def __init__(self, config: APIConfig) -> None: self.config = config self.headers: dict[str, str] = {"user-agent": f"openml-python/{__version__}"} - def _create_url(self, path: str) -> str: - return self.config.server + self.config.base_url + path + @property + def server(self) -> str: + return self.config.server + + @property + def base_url(self) -> str: + return self.config.base_url + + def _create_url(self, path: str) -> Any: + return urljoin(self.server, urljoin(self.base_url, path)) def get( self, path: str, - params: Mapping[str, Any] | None = None, + *, + params: dict[str, Any] | None = None, + use_cache: bool = False, + use_api_key: bool = False, ) -> Response: url = self._create_url(path) - return requests.get(url, params=params, headers=self.headers, timeout=10) + params = dict(params) if params is not None else {} + + if use_api_key: + params["api_key"] = self.config.key + + if use_cache: + response = self._get_cache_response(url, params) + if response: + return response + + response = requests.get(url, params=params, headers=self.headers, timeout=10) + + if use_cache: + self._set_cache_response(url, params, response) + + return response def post( self, path: str, - data: Mapping[str, Any] | None = None, + *, + data: dict[str, Any] | None = None, files: Any = None, ) -> Response: url = self._create_url(path) @@ -39,7 +96,8 @@ def post( def delete( self, path: str, - params: Mapping[str, Any] | None = None, + *, + params: dict[str, Any] | None = None, ) -> Response: url = self._create_url(path) return requests.delete(url, params=params, headers=self.headers, timeout=10) From af99880a9e16a49833c63084c9e9267c112b6b91 Mon Sep 17 00:00:00 2001 From: geetu040 Date: Wed, 7 Jan 2026 23:42:17 +0500 Subject: [PATCH 5/7] refactor --- openml/_api/config.py | 1 + openml/_api/http/client.py | 100 +++++++++++++++++++++++++++---------- 2 files changed, 75 insertions(+), 26 deletions(-) diff --git a/openml/_api/config.py b/openml/_api/config.py index 1431f66b1..848fe8da1 100644 --- a/openml/_api/config.py +++ b/openml/_api/config.py @@ -11,6 +11,7 @@ class APIConfig: server: str base_url: str key: str + timeout: int = 10 # seconds @dataclass diff --git a/openml/_api/http/client.py b/openml/_api/http/client.py index 49b05c88e..a90e93933 100644 --- a/openml/_api/http/client.py +++ b/openml/_api/http/client.py @@ -23,7 +23,7 @@ def dir(self) -> str: def ttl(self) -> int: return settings.cache.ttl - def _get_cache_directory(self, url: str, params: dict[str, Any]) -> Path: + def _get_cache_dir(self, url: str, params: dict[str, Any]) -> Path: parsed_url = urlparse(url) netloc_parts = parsed_url.netloc.split(".")[::-1] # reverse domain path_parts = parsed_url.path.strip("/").split("/") @@ -34,10 +34,10 @@ def _get_cache_directory(self, url: str, params: dict[str, Any]) -> Path: return Path(self.dir).joinpath(*netloc_parts, *path_parts, *params_part) - def _get_cache_response(self, url: str, params: dict[str, Any]) -> Response | None: # noqa: ARG002 - return None + def _get_cache_response(self, cache_dir: Path) -> Response: # noqa: ARG002 + return Response() - def _set_cache_response(self, url: str, params: dict[str, Any], response: Response) -> None: # noqa: ARG002 + def _set_cache_response(self, cache_dir: Path, response: Response) -> None: # noqa: ARG002 return None @@ -54,50 +54,98 @@ def server(self) -> str: def base_url(self) -> str: return self.config.base_url - def _create_url(self, path: str) -> Any: - return urljoin(self.server, urljoin(self.base_url, path)) + @property + def key(self) -> str: + return self.config.key - def get( + @property + def timeout(self) -> int: + return self.config.timeout + + def request( self, + method: str, path: str, *, - params: dict[str, Any] | None = None, use_cache: bool = False, use_api_key: bool = False, + **request_kwargs: Any, ) -> Response: - url = self._create_url(path) - params = dict(params) if params is not None else {} + url = urljoin(self.server, urljoin(self.base_url, path)) + params = request_kwargs.pop("params", {}) + params = params.copy() if use_api_key: - params["api_key"] = self.config.key + params["api_key"] = self.key - if use_cache: - response = self._get_cache_response(url, params) - if response: - return response + headers = request_kwargs.pop("headers", {}) + headers = headers.copy() + headers.update(self.headers) + + timeout = request_kwargs.pop("timeout", self.timeout) + cache_dir = self._get_cache_dir(url, params) - response = requests.get(url, params=params, headers=self.headers, timeout=10) + if use_cache: + try: + return self._get_cache_response(cache_dir) + # TODO: handle ttl expired error + except Exception: + raise + + response = requests.request( + method=method, + url=url, + params=params, + headers=headers, + timeout=timeout, + **request_kwargs, + ) if use_cache: - self._set_cache_response(url, params, response) + self._set_cache_response(cache_dir, response) return response - def post( + def get( self, path: str, *, - data: dict[str, Any] | None = None, - files: Any = None, + use_cache: bool = False, + use_api_key: bool = False, + **request_kwargs: Any, ) -> Response: - url = self._create_url(path) - return requests.post(url, data=data, files=files, headers=self.headers, timeout=10) + # TODO: remove override when cache is implemented + use_cache = False + return self.request( + method="GET", + path=path, + use_cache=use_cache, + use_api_key=use_api_key, + **request_kwargs, + ) + + def post( + self, + path: str, + **request_kwargs: Any, + ) -> Response: + return self.request( + method="POST", + path=path, + use_cache=False, + use_api_key=True, + **request_kwargs, + ) def delete( self, path: str, - *, - params: dict[str, Any] | None = None, + **request_kwargs: Any, ) -> Response: - url = self._create_url(path) - return requests.delete(url, params=params, headers=self.headers, timeout=10) + return self.request( + method="DELETE", + path=path, + use_cache=False, + use_api_key=True, + **request_kwargs, + ) From 9100d919914a384c74cade5c74cdd4550f962f9f Mon Sep 17 00:00:00 2001 From: rohansen856 Date: Fri, 9 Jan 2026 02:08:11 +0530 Subject: [PATCH 6/7] feat: added migrations for studies api v2 Signed-off-by: rohansen856 --- openml/_api/resources/__init__.py | 3 +- openml/_api/resources/base.py | 7 ++- openml/_api/resources/studies.py | 39 +++++++++++++++++ openml/_api/runtime/core.py | 9 +++- openml/study/functions.py | 73 +++++++++++++++++++++++-------- 5 files changed, 108 insertions(+), 23 deletions(-) create mode 100644 openml/_api/resources/studies.py diff --git a/openml/_api/resources/__init__.py b/openml/_api/resources/__init__.py index b1af3c1a8..93db5eb2b 100644 --- a/openml/_api/resources/__init__.py +++ b/openml/_api/resources/__init__.py @@ -1,4 +1,5 @@ from openml._api.resources.datasets import DatasetsV1, DatasetsV2 +from openml._api.resources.studies import StudiesV1, StudiesV2 from openml._api.resources.tasks import TasksV1, TasksV2 -__all__ = ["DatasetsV1", "DatasetsV2", "TasksV1", "TasksV2"] +__all__ = ["DatasetsV1", "DatasetsV2", "StudiesV1", "StudiesV2", "TasksV1", "TasksV2"] diff --git a/openml/_api/resources/base.py b/openml/_api/resources/base.py index 6fbf8977d..da0828089 100644 --- a/openml/_api/resources/base.py +++ b/openml/_api/resources/base.py @@ -1,7 +1,7 @@ from __future__ import annotations from abc import ABC, abstractmethod -from typing import TYPE_CHECKING +from typing import TYPE_CHECKING, Any if TYPE_CHECKING: from requests import Response @@ -29,3 +29,8 @@ def get( *, return_response: bool = False, ) -> OpenMLTask | tuple[OpenMLTask, Response]: ... + + +class StudiesAPI(ResourceAPI, ABC): + @abstractmethod + def list(self, **kwargs: Any) -> Any: ... diff --git a/openml/_api/resources/studies.py b/openml/_api/resources/studies.py new file mode 100644 index 000000000..8dfb034e0 --- /dev/null +++ b/openml/_api/resources/studies.py @@ -0,0 +1,39 @@ +from __future__ import annotations + +from typing import Any + +from openml._api.resources.base import StudiesAPI + + +class StudiesV1(StudiesAPI): + def list(self, **kwargs: Any) -> Any: + limit = kwargs.get("limit") + offset = kwargs.get("offset") + status = kwargs.get("status") + main_entity_type = kwargs.get("main_entity_type") + uploader = kwargs.get("uploader") + benchmark_suite = kwargs.get("benchmark_suite") + + api_call = "study/list" + + if limit is not None: + api_call += f"/limit/{limit}" + if offset is not None: + api_call += f"/offset/{offset}" + if status is not None: + api_call += f"/status/{status}" + if main_entity_type is not None: + api_call += f"/main_entity_type/{main_entity_type}" + if uploader is not None: + api_call += f"/uploader/{','.join(str(u) for u in uploader)}" + if benchmark_suite is not None: + api_call += f"/benchmark_suite/{benchmark_suite}" + + # Make the GET request and return the XML text + response = self._http.get(api_call) + return response.text + + +class StudiesV2(StudiesAPI): + def list(self, **kwargs: Any) -> Any: + raise NotImplementedError("V2 API implementation is not yet available") diff --git a/openml/_api/runtime/core.py b/openml/_api/runtime/core.py index 98b587411..066be552b 100644 --- a/openml/_api/runtime/core.py +++ b/openml/_api/runtime/core.py @@ -7,18 +7,21 @@ from openml._api.resources import ( DatasetsV1, DatasetsV2, + StudiesV1, + StudiesV2, TasksV1, TasksV2, ) if TYPE_CHECKING: - from openml._api.resources.base import DatasetsAPI, TasksAPI + from openml._api.resources.base import DatasetsAPI, StudiesAPI, TasksAPI class APIBackend: - def __init__(self, *, datasets: DatasetsAPI, tasks: TasksAPI): + def __init__(self, *, datasets: DatasetsAPI, tasks: TasksAPI, studies: StudiesAPI): self.datasets = datasets self.tasks = tasks + self.studies = studies def build_backend(version: str, *, strict: bool) -> APIBackend: @@ -28,6 +31,7 @@ def build_backend(version: str, *, strict: bool) -> APIBackend: v1 = APIBackend( datasets=DatasetsV1(v1_http), tasks=TasksV1(v1_http), + studies=StudiesV1(v1_http), ) if version == "v1": @@ -36,6 +40,7 @@ def build_backend(version: str, *, strict: bool) -> APIBackend: v2 = APIBackend( datasets=DatasetsV2(v2_http), tasks=TasksV2(v2_http), + studies=StudiesV2(v2_http), ) if strict: diff --git a/openml/study/functions.py b/openml/study/functions.py index 4e16879d7..b4bce8257 100644 --- a/openml/study/functions.py +++ b/openml/study/functions.py @@ -4,7 +4,7 @@ import warnings from functools import partial -from typing import TYPE_CHECKING, Any +from typing import TYPE_CHECKING import pandas as pd import xmltodict @@ -12,6 +12,7 @@ import openml._api_calls import openml.config import openml.utils +from openml._api import api_context from openml.study.study import OpenMLBenchmarkSuite, OpenMLStudy if TYPE_CHECKING: @@ -483,7 +484,7 @@ def list_studies( offset: int | None = None, size: int | None = None, status: str | None = None, - uploader: list[str] | None = None, + uploader: list[int] | None = None, benchmark_suite: int | None = None, ) -> pd.DataFrame: """ @@ -531,7 +532,15 @@ def list_studies( return pd.concat(batches) -def _list_studies(limit: int, offset: int, **kwargs: Any) -> pd.DataFrame: +def _list_studies( + limit: int, + offset: int, + *, + status: str | None = None, + main_entity_type: str | None = None, + uploader: list[int] | None = None, + benchmark_suite: int | None = None, +) -> pd.DataFrame: """Perform api call to return a list of studies. Parameters @@ -548,33 +557,59 @@ def _list_studies(limit: int, offset: int, **kwargs: Any) -> pd.DataFrame: ------- studies : dataframe """ - api_call = "study/list" - if limit is not None: - api_call += f"/limit/{limit}" - if offset is not None: - api_call += f"/offset/{offset}" - if kwargs is not None: - for operator, value in kwargs.items(): - if value is not None: - api_call += f"/{operator}/{value}" - return __list_studies(api_call=api_call) - - -def __list_studies(api_call: str) -> pd.DataFrame: + return __list_studies( + limit=limit, + offset=offset, + status=status, + main_entity_type=main_entity_type, + uploader=uploader, + benchmark_suite=benchmark_suite, + ) + + +def __list_studies( + limit: int | None, + offset: int | None, + *, + status: str | None = None, + main_entity_type: str | None = None, + uploader: list[int] | None = None, + benchmark_suite: int | None = None, +) -> pd.DataFrame: """Retrieves the list of OpenML studies and returns it in a dictionary or a Pandas DataFrame. + This function constructs the API call from parameters, making it + ready for both V1 (URL-based) and future V2 (JSON-based) APIs. + Parameters ---------- - api_call : str - The API call for retrieving the list of OpenML studies. + limit : int, optional + The maximum number of studies to return. + offset : int, optional + The number of studies to skip, starting from the first. + status : str, optional + Filter by status (active, in_preparation, deactivated, all) + main_entity_type : str, optional + Filter by main entity type (run, task) + uploader : list[int], optional + Filter by uploader IDs + benchmark_suite : int, optional + Filter by benchmark suite ID Returns ------- pd.DataFrame A Pandas DataFrame of OpenML studies """ - xml_string = openml._api_calls._perform_api_call(api_call, "get") + xml_string = api_context.backend.studies.list( + limit=limit, + offset=offset, + status=status, + main_entity_type=main_entity_type, + uploader=uploader, + benchmark_suite=benchmark_suite, + ) study_dict = xmltodict.parse(xml_string, force_list=("oml:study",)) # Minimalistic check if the XML is useful From 88077a74a3f56f744bd981dca45a003187657c8f Mon Sep 17 00:00:00 2001 From: rohansen856 Date: Tue, 13 Jan 2026 12:46:03 +0530 Subject: [PATCH 7/7] chore: fixed the args limit in function using noqa Signed-off-by: rohansen856 --- openml/_api/resources/base.py | 10 +++++++++- openml/_api/resources/studies.py | 27 ++++++++++++++++++--------- 2 files changed, 27 insertions(+), 10 deletions(-) diff --git a/openml/_api/resources/base.py b/openml/_api/resources/base.py index da0828089..d48517d58 100644 --- a/openml/_api/resources/base.py +++ b/openml/_api/resources/base.py @@ -33,4 +33,12 @@ def get( class StudiesAPI(ResourceAPI, ABC): @abstractmethod - def list(self, **kwargs: Any) -> Any: ... + def list( # noqa: PLR0913 + self, + limit: int | None = None, + offset: int | None = None, + status: str | None = None, + main_entity_type: str | None = None, + uploader: list[int] | None = None, + benchmark_suite: int | None = None, + ) -> Any: ... diff --git a/openml/_api/resources/studies.py b/openml/_api/resources/studies.py index 8dfb034e0..cf05a878c 100644 --- a/openml/_api/resources/studies.py +++ b/openml/_api/resources/studies.py @@ -6,14 +6,15 @@ class StudiesV1(StudiesAPI): - def list(self, **kwargs: Any) -> Any: - limit = kwargs.get("limit") - offset = kwargs.get("offset") - status = kwargs.get("status") - main_entity_type = kwargs.get("main_entity_type") - uploader = kwargs.get("uploader") - benchmark_suite = kwargs.get("benchmark_suite") - + def list( # noqa: PLR0913 + self, + limit: int | None = None, + offset: int | None = None, + status: str | None = None, + main_entity_type: str | None = None, + uploader: list[int] | None = None, + benchmark_suite: int | None = None, + ) -> Any: api_call = "study/list" if limit is not None: @@ -35,5 +36,13 @@ def list(self, **kwargs: Any) -> Any: class StudiesV2(StudiesAPI): - def list(self, **kwargs: Any) -> Any: + def list( # noqa: PLR0913 + self, + limit: int | None = None, + offset: int | None = None, + status: str | None = None, + main_entity_type: str | None = None, + uploader: list[int] | None = None, + benchmark_suite: int | None = None, + ) -> Any: raise NotImplementedError("V2 API implementation is not yet available")