Read the Docs build information
Build id: 4023874
Project: anyscale-ray
Version: master
Commit: a8d5df5f80c60c3ffe209b9a8822d483ad211651
Date: 2026-05-18T23:14:05.110595Z
State: cancelled
Success: False


[rtd-command-info] start-time: 2026-05-18T23:14:05.855215Z, end-time: 2026-05-18T23:14:18.157154Z, duration: 12, exit-code: 0
git clone --depth 1 https://github.com/ray-project/ray.git .
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[rtd-command-info] start-time: 2026-05-18T23:14:18.243656Z, end-time: 2026-05-18T23:14:18.999185Z, duration: 0, exit-code: 0
git fetch origin --force --prune --prune-tags --depth 50 refs/heads/master:refs/remotes/origin/master


[rtd-command-info] start-time: 2026-05-18T23:14:19.705994Z, end-time: 2026-05-18T23:14:19.901062Z, duration: 0, exit-code: 0
git checkout --force origin/master
Note: switching to 'origin/master'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:

  git switch -c <new-branch-name>

Or undo this operation with:

  git switch -

Turn off this advice by setting config variable advice.detachedHead to false

HEAD is now at a8d5df5 [Train] Fix all of Train's pydoclint issues (#63365)

[rtd-command-info] start-time: 2026-05-18T23:14:19.978591Z, end-time: 2026-05-18T23:14:20.012998Z, duration: 0, exit-code: 0
cat .readthedocs.yaml
# .readthedocs.yaml
# Read the Docs configuration file
# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details

# Required
version: 2

# Set the version of Python and other tools you might need
build:
  os: ubuntu-24.04
  tools:
    python: "3.10"

# Build documentation in the docs/ directory with Sphinx
sphinx:
  configuration: doc/source/conf.py
  fail_on_warning: true

# We recommend specifying your dependencies to enable reproducible builds:
# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
python:
  install:
    - requirements: doc/requirements-doc.lock.txt

[rtd-command-info] start-time: 2026-05-18T23:14:24.099691Z, end-time: 2026-05-18T23:14:24.155417Z, duration: 0, exit-code: 0
asdf global python 3.10.19


[rtd-command-info] start-time: 2026-05-18T23:14:24.490211Z, end-time: 2026-05-18T23:14:25.036102Z, duration: 0, exit-code: 0
python -mvirtualenv $READTHEDOCS_VIRTUALENV_PATH
created virtual environment CPython3.10.19.final.0-64 in 283ms
  creator CPython3Posix(dest=/home/docs/checkouts/readthedocs.org/user_builds/anyscale-ray/envs/master, clear=False, no_vcs_ignore=False, global=False)
  seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/docs/.local/share/virtualenv)
    added seed packages: pip==23.1, setuptools==67.6.1, wheel==0.40.0
  activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator

[rtd-command-info] start-time: 2026-05-18T23:14:25.114891Z, end-time: 2026-05-18T23:14:28.583314Z, duration: 3, exit-code: 0
python -m pip install --upgrade --no-cache-dir pip setuptools
Requirement already satisfied: pip in /home/docs/checkouts/readthedocs.org/user_builds/anyscale-ray/envs/master/lib/python3.10/site-packages (23.1)
Collecting pip
  Downloading pip-26.1.1-py3-none-any.whl (1.8 MB)
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Requirement already satisfied: setuptools in /home/docs/checkouts/readthedocs.org/user_builds/anyscale-ray/envs/master/lib/python3.10/site-packages (67.6.1)
Collecting setuptools
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Installing collected packages: setuptools, pip
  Attempting uninstall: setuptools
    Found existing installation: setuptools 67.6.1
    Uninstalling setuptools-67.6.1:
      Successfully uninstalled setuptools-67.6.1
  Attempting uninstall: pip
    Found existing installation: pip 23.1
    Uninstalling pip-23.1:
      Successfully uninstalled pip-23.1
Successfully installed pip-26.1.1 setuptools-82.0.1

[rtd-command-info] start-time: 2026-05-18T23:14:28.660697Z, end-time: 2026-05-18T23:14:32.476436Z, duration: 3, exit-code: 0
python -m pip install --upgrade --no-cache-dir sphinx
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Collecting MarkupSafe>=2.0 (from Jinja2>=3.1->sphinx)
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Collecting charset_normalizer<4,>=2 (from requests>=2.30.0->sphinx)
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Downloading sphinx-8.1.3-py3-none-any.whl (3.5 MB)
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Downloading pygments-2.20.0-py3-none-any.whl (1.2 MB)
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Downloading idna-3.15-py3-none-any.whl (72 kB)
Downloading urllib3-2.7.0-py3-none-any.whl (131 kB)
Downloading certifi-2026.4.22-py3-none-any.whl (135 kB)
Downloading snowballstemmer-3.0.1-py3-none-any.whl (103 kB)
Downloading sphinxcontrib_applehelp-2.0.0-py3-none-any.whl (119 kB)
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Downloading sphinxcontrib_qthelp-2.0.0-py3-none-any.whl (88 kB)
Downloading sphinxcontrib_serializinghtml-2.0.0-py3-none-any.whl (92 kB)
Downloading tomli-2.4.1-py3-none-any.whl (14 kB)
Installing collected packages: urllib3, tomli, sphinxcontrib-serializinghtml, sphinxcontrib-qthelp, sphinxcontrib-jsmath, sphinxcontrib-htmlhelp, sphinxcontrib-devhelp, sphinxcontrib-applehelp, snowballstemmer, Pygments, packaging, MarkupSafe, imagesize, idna, docutils, charset_normalizer, certifi, babel, alabaster, requests, Jinja2, sphinx

Successfully installed Jinja2-3.1.6 MarkupSafe-3.0.3 Pygments-2.20.0 alabaster-1.0.0 babel-2.18.0 certifi-2026.4.22 charset_normalizer-3.4.7 docutils-0.21.2 idna-3.15 imagesize-2.0.0 packaging-26.2 requests-2.34.2 snowballstemmer-3.0.1 sphinx-8.1.3 sphinxcontrib-applehelp-2.0.0 sphinxcontrib-devhelp-2.0.0 sphinxcontrib-htmlhelp-2.1.0 sphinxcontrib-jsmath-1.0.1 sphinxcontrib-qthelp-2.0.0 sphinxcontrib-serializinghtml-2.0.0 tomli-2.4.1 urllib3-2.7.0

[rtd-command-info] start-time: 2026-05-18T23:14:32.555023Z, end-time: 2026-05-18T23:15:15.582210Z, duration: 43, exit-code: 0
python -m pip install --exists-action=w --no-cache-dir -r doc/requirements-doc.lock.txt
Collecting absl-py==2.4.0 (from -r doc/requirements-doc.lock.txt (line 3))
  Downloading absl_py-2.4.0-py3-none-any.whl (135 kB)
Collecting accessible-pygments==0.0.5 (from -r doc/requirements-doc.lock.txt (line 10))
  Downloading accessible_pygments-0.0.5-py3-none-any.whl (1.4 MB)
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Collecting alabaster==0.7.16 (from -r doc/requirements-doc.lock.txt (line 14))
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Collecting annotated-types==0.7.0 (from -r doc/requirements-doc.lock.txt (line 18))
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Collecting anyio==4.11.0 (from -r doc/requirements-doc.lock.txt (line 22))
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Collecting appnope==0.1.4 (from -r doc/requirements-doc.lock.txt (line 28))
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Collecting asttokens==3.0.0 (from -r doc/requirements-doc.lock.txt (line 32))
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Collecting attrs==25.4.0 (from -r doc/requirements-doc.lock.txt (line 40))
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Collecting autodoc-pydantic==2.2.0 (from -r doc/requirements-doc.lock.txt (line 47))
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Collecting babel==2.17.0 (from -r doc/requirements-doc.lock.txt (line 50))
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Collecting beautifulsoup4==4.14.2 (from -r doc/requirements-doc.lock.txt (line 56))
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Collecting boto3==1.34.69 (from -r doc/requirements-doc.lock.txt (line 60))
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Collecting botocore==1.34.162 (from -r doc/requirements-doc.lock.txt (line 64))
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Collecting debugpy==1.8.17 (from -r doc/requirements-doc.lock.txt (line 205))
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Collecting decorator==5.2.1 (from -r doc/requirements-doc.lock.txt (line 237))
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Collecting docutils==0.20.1 (from -r doc/requirements-doc.lock.txt (line 241))
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Collecting sphinx-last-updated-by-git==0.3.8 (from -r doc/requirements-doc.lock.txt (line 1668))
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Requirement already satisfied: sphinxcontrib-htmlhelp==2.1.0 in /home/docs/checkouts/readthedocs.org/user_builds/anyscale-ray/envs/master/lib/python3.10/site-packages (from -r doc/requirements-doc.lock.txt (line 1692)) (2.1.0)
Requirement already satisfied: sphinxcontrib-jsmath==1.0.1 in /home/docs/checkouts/readthedocs.org/user_builds/anyscale-ray/envs/master/lib/python3.10/site-packages (from -r doc/requirements-doc.lock.txt (line 1696)) (1.0.1)
Requirement already satisfied: sphinxcontrib-qthelp==2.0.0 in /home/docs/checkouts/readthedocs.org/user_builds/anyscale-ray/envs/master/lib/python3.10/site-packages (from -r doc/requirements-doc.lock.txt (line 1700)) (2.0.0)
Collecting sphinxcontrib-redoc==1.6.0 (from -r doc/requirements-doc.lock.txt (line 1704))
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Installing collected packages: pure-eval, ptyprocess, namex, libclang, flatbuffers, fastjsonschema, zipp, xmltodict, wrapt, werkzeug, websockets, wcwidth, urllib3, typing-extensions, traitlets, tornado, tomli, toml, termcolor, tensorboard-data-server, tabulate, soupsieve, sniffio, smmap, six, setuptools, rpds-py, pyzmq, pyyaml, python-dotenv, pygments, pyarrow, psutil, protobuf, platformdirs, pillow, pexpect, parso, packaging, opt-einsum, numpy, nest-asyncio, mdurl, markdown, jsonpointer, jmespath, imagesize, idna, h11, greenlet, gast, executing, docutils, decorator, debugpy, comm, colorama, click, charset-normalizer, certifi, babel, attrs, asttokens, appnope, annotated-types, alabaster, absl-py, wheel, uvicorn, stack-data, sqlalchemy, requests, referencing, python-dateutil, pydantic-core, prompt-toolkit, optree, ml-dtypes, matplotlib-inline, markdown-it-py, jupyter-core, jedi, importlib-metadata, h5py, grpcio, google-pasta, gitdb, exceptiongroup, beautifulsoup4, accessible-pygments, tensorboard, sphinx-jsonschema, sphinx, rich, pydantic, mdit-py-plugins, jupyter-client, jsonschema-specifications, ipython, gitpython, botocore, astunparse, anyio, watchfiles, starlette, sphinxext-opengraph, sphinxemoji, sphinx-remove-toctrees, sphinx-llms-txt, sphinx-last-updated-by-git, sphinx-docsearch, sphinx-design, sphinx-copybutton, sphinx-collections, sphinx-click, s3transfer, pydata-sphinx-theme, pydantic-settings, myst-parser, keras, jsonschema, ipykernel, tensorflow, sphinxcontrib-redoc, sphinx-sitemap, sphinx-autobuild, nbformat, boto3, autodoc-pydantic, tf-keras, nbclient, jupytext, jupyter-cache, myst-nb
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Successfully installed absl-py-2.4.0 accessible-pygments-0.0.5 alabaster-0.7.16 annotated-types-0.7.0 anyio-4.11.0 appnope-0.1.4 asttokens-3.0.0 astunparse-1.6.3 attrs-25.4.0 autodoc-pydantic-2.2.0 babel-2.17.0 beautifulsoup4-4.14.2 boto3-1.34.69 botocore-1.34.162 certifi-2025.10.5 charset-normalizer-3.4.4 click-8.1.7 colorama-0.4.6 comm-0.2.3 debugpy-1.8.17 decorator-5.2.1 docutils-0.20.1 exceptiongroup-1.3.0 executing-2.2.1 fastjsonschema-2.21.2 flatbuffers-25.12.19 gast-0.7.0 gitdb-4.0.12 gitpython-3.1.46 google-pasta-0.2.0 greenlet-3.2.4 grpcio-1.78.0 h11-0.16.0 h5py-3.15.1 idna-3.11 imagesize-1.4.1 importlib-metadata-8.7.0 ipykernel-7.0.1 ipython-8.37.0 jedi-0.19.2 jmespath-1.0.1 jsonpointer-3.0.0 jsonschema-4.25.1 jsonschema-specifications-2025.9.1 jupyter-cache-0.6.1 jupyter-client-8.6.3 jupyter-core-5.9.1 jupytext-1.15.2 keras-3.12.1 libclang-18.1.1 markdown-3.10.2 markdown-it-py-3.0.0 matplotlib-inline-0.1.7 mdit-py-plugins-0.5.0 mdurl-0.1.2 ml-dtypes-0.5.4 myst-nb-1.0.0rc0 myst-parser-2.0.0 namex-0.1.0 nbclient-0.7.4 nbformat-5.10.4 nest-asyncio-1.6.0 numpy-1.26.4 opt-einsum-3.4.0 optree-0.18.0 packaging-25.0 parso-0.8.5 pexpect-4.9.0 pillow-12.1.1 platformdirs-4.5.0 prompt-toolkit-3.0.52 protobuf-6.33.5 psutil-7.1.0 ptyprocess-0.7.0 pure-eval-0.2.3 pyarrow-19.0.1 pydantic-2.5.0 pydantic-core-2.14.1 pydantic-settings-2.2.1 pydata-sphinx-theme-0.14.1 pygments-2.16.1 python-dateutil-2.9.0.post0 python-dotenv-1.1.1 pyyaml-6.0.3 pyzmq-27.1.0 referencing-0.37.0 requests-2.32.5 rich-14.3.3 rpds-py-0.27.1 s3transfer-0.10.4 setuptools-80.9.0 six-1.17.0 smmap-5.0.2 sniffio-1.3.1 soupsieve-2.8 sphinx-7.3.7 sphinx-autobuild-2024.4.16 sphinx-click-5.1.0 sphinx-collections-0.3.1 sphinx-copybutton-0.5.2 sphinx-design-0.5.0 sphinx-docsearch-0.0.7 sphinx-jsonschema-1.19.1 sphinx-last-updated-by-git-0.3.8 sphinx-llms-txt-0.7.1 sphinx-remove-toctrees-0.0.3 sphinx-sitemap-2.9.0 sphinxcontrib-redoc-1.6.0 sphinxemoji-0.3.2 sphinxext-opengraph-0.13.0 sqlalchemy-2.0.44 stack-data-0.6.3 starlette-0.48.0 tabulate-0.9.0 tensorboard-2.20.0 tensorboard-data-server-0.7.2 tensorflow-2.20.0 termcolor-3.3.0 tf-keras-2.20.1 toml-0.10.2 tomli-2.3.0 tornado-6.5.2 traitlets-5.14.3 typing-extensions-4.15.0 urllib3-1.26.20 uvicorn-0.37.0 watchfiles-1.1.1 wcwidth-0.2.14 websockets-15.0.1 werkzeug-3.1.6 wheel-0.46.3 wrapt-2.1.1 xmltodict-0.13.0 zipp-3.23.0

[rtd-command-info] start-time: 2026-05-18T23:15:15.734974Z, end-time: 2026-05-18T23:15:15.773648Z, duration: 0, exit-code: 0
cat doc/source/conf.py
import io
import json
import logging
import os
import pathlib
import re
import sys
import zipfile
from datetime import datetime
from dataclasses import is_dataclass
from importlib import import_module
from typing import Any, Dict
from urllib.request import urlopen

import sphinx
from docutils import nodes
from jinja2.filters import FILTERS
from sphinx.ext.autosummary import generate
from sphinx.util.inspect import safe_getattr

DEFAULT_API_GROUP = "Others"

logger = logging.getLogger(__name__)

sys.path.insert(0, os.path.abspath("."))
from custom_directives import (  # noqa
    DownloadAndPreprocessEcosystemDocs,
    update_context,
    LinkcheckSummarizer,
    parse_navbar_config,
    setup_context,
    pregenerate_example_rsts,
    generate_versions_json,
    collect_example_orphans,
)

# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
assert not os.path.exists(
    "../../python/ray/_raylet.so"
), "_raylet.so should not be imported for the purpose for doc build, please rename the file to _raylet.so.bak and try again."
sys.path.insert(0, os.path.abspath("../../python/"))

# -- General configuration ------------------------------------------------

# This setting controls how single backticks are handled by sphinx. Developers
# are used to using single backticks for code, but RST syntax requires that code
# code to be denoted with _double_ backticks.
# Here we make sphinx treat single backticks as code also, because everyone is
# used to using single backticks as is done with markdown; without this setting,
# lots of documentation ends up getting committed with single backticks anyway,
# so we might as well make it work as developers intend for it to.
default_role = "code"

sys.path.append(os.path.abspath("./_ext"))

extensions = [
    "callouts",  # custom extension from _ext folder
    "queryparamrefs",
    "sphinx.ext.autodoc",
    "sphinx.ext.viewcode",
    "sphinx.ext.napoleon",
    "sphinx_click.ext",
    "sphinx-jsonschema",
    "sphinxemoji.sphinxemoji",
    "sphinx_copybutton",
    "sphinx_sitemap",
    "myst_nb",
    "sphinx.ext.doctest",
    "sphinx.ext.coverage",
    "sphinx.ext.autosummary",
    "sphinxcontrib.autodoc_pydantic",
    "sphinxcontrib.redoc",
    "sphinx_remove_toctrees",
    "sphinx_design",
    "sphinx.ext.intersphinx",
    "sphinx_docsearch",
    "sphinx_collections",
    "sphinx_llms_txt",
    "sphinxext.opengraph",
]

# -- sphinx-llms-txt: agent-friendly summary and full corpus -----------

llms_txt_summary = (
    "Ray is an open-source unified compute framework for scaling AI and "
    "Python workloads, including data processing, model training, model "
    "serving, hyperparameter tuning, and reinforcement learning. The full "
    "documentation lives at https://docs.ray.io/."
)

# Filter low-signal pages from llms-full.txt. Auto-generated API reference
# pages (one per public class/method) are excluded because they would
# dominate the corpus with autodoc boilerplate. Mirrors the directories in
# `remove_from_toctrees` below. Agents needing specific API details can
# fetch per-page markdown twins via Read the Docs' Markdown for Agents
# content negotiation. Tuning of this list is tracked separately.
llms_txt_exclude = [
    "search",
    "genindex",
    "404",
    "_TableOfContents",
    "cluster/running-applications/job-submission/doc/*",
    "ray-observability/reference/doc/*",
    "ray-core/api/doc/*",
    "data/api/doc/*",
    "train/api/doc/*",
    "tune/api/doc/*",
    "serve/api/doc/*",
    "rllib/package_ref/*",
]

# Exclude Jupyter notebooks from llms-full.txt. sphinx-llms-txt reads each
# docname's source verbatim from `_sources/`, so for `.ipynb` pages it
# appends raw notebook JSON (cells, outputs, embedded base64 images) into
# the corpus. `llms_txt_exclude` matches docnames (extension stripped) via
# fnmatch, so a `**/*.ipynb` pattern can't work — we enumerate each
# notebook's docname instead. Notebooks remain fully rendered in the HTML
# build; only the agent corpus drops them.
_conf_dir = pathlib.Path(__file__).parent
llms_txt_exclude += sorted(
    p.relative_to(_conf_dir).with_suffix("").as_posix()
    for p in _conf_dir.rglob("*.ipynb")
)

# -- sphinx-collections: pull external template files at build time -----------

_TEMPLATES_CI_BASE = "https://templates.ci.ray.io"
_TEMPLATE_CHANNEL_API = _TEMPLATES_CI_BASE + "/templates/{name}/latest/channel.json"

_TEMPLATE_COLLECTIONS = {
    "deployment-serve-llm": {
        "target": "serve/tutorials/deployment-serve-llm",
    },
}


def _resolve_template_url(name):
    """Fetch the build zip URL for a template from the channel API."""
    api_url = _TEMPLATE_CHANNEL_API.format(name=name)
    logger.info("sphinx-collections: resolving template URL from %s", api_url)
    with urlopen(api_url) as resp:
        data = json.loads(resp.read())
    url = data["url"]
    # Replace the ascommon:/// protocol with the templates.ci.ray.io base URL.
    url = url.replace("ascommon:///", _TEMPLATES_CI_BASE + "/")
    # Append /build.zip to get the docs build archive.
    url = url.rstrip("/") + "/build.zip"
    logger.info("sphinx-collections: resolved URL %s", url)
    return url


def _fetch_and_extract_zip(config):
    """Download a zip archive and extract it into the collection target directory."""
    import shutil

    url = _resolve_template_url(config["name"])
    target = pathlib.Path(config["target"])
    if target.is_dir():
        shutil.rmtree(target)
    target.mkdir(parents=True, exist_ok=True)
    logger.info("sphinx-collections: downloading %s -> %s", url, target)
    with urlopen(url) as resp:
        zip_bytes = io.BytesIO(resp.read())
    with zipfile.ZipFile(zip_bytes) as zf:
        zf.extractall(target)
    logger.info("sphinx-collections: extracted %d files to %s", len(zf.namelist()), target)


collections = {
    name: {
        "driver": "function",
        "source": _fetch_and_extract_zip,
        "target": coll["target"],
        "clean": False,
        "final_clean": False,
        "write_result": False,
    }
    for name, coll in _TEMPLATE_COLLECTIONS.items()
}

# Don't wipe the target before build — other docs may co-exist in parent dirs.
collections_clean = True
# Clean up collected files after build so they don't get committed.
collections_final_clean = True

# The collections config contains a function reference (for the "function" driver)
# which Sphinx cannot pickle for caching. This is harmless — suppress the warning
# so it doesn't cause a build failure under -W (warnings-as-errors).
suppress_warnings = ["config.cache"]
# Disable autodoc_pydantic features that can produce empty raw directives
# (e.g. when schema JSON fails for models with non-serializable fields)
autodoc_pydantic_model_show_json = False

# Configuration for algolia
# Note: This API key grants read access to our indexes and is intended to be public.
# See https://www.algolia.com/doc/guides/security/api-keys/ for more information.
docsearch_app_id = "LBHF0PABBL"
docsearch_api_key = "6c42f30d9669d8e42f6fc92f44028596"
docsearch_index_name = "docs-ray"

remove_from_toctrees = [
    "cluster/running-applications/job-submission/doc/*",
    "ray-observability/reference/doc/*",
    "ray-core/api/doc/*",
    "data/api/doc/*",
    "train/api/doc/*",
    "tune/api/doc/*",
    "serve/api/doc/*",
    "rllib/package_ref/algorithm/*",
    "rllib/package_ref/policy/*",
    "rllib/package_ref/models/*",
    "rllib/package_ref/catalogs/*",
    "rllib/package_ref/rl_modules/*",
    "rllib/package_ref/learner/*",
    "rllib/package_ref/evaluation/*",
    "rllib/package_ref/replay-buffers/*",
    "rllib/package_ref/utils/*",
]

myst_enable_extensions = [
    "dollarmath",
    "amsmath",
    "deflist",
    "html_admonition",
    "html_image",
    "colon_fence",
    "smartquotes",
    "replacements",
]

myst_heading_anchors = 3

# Add these for attachment handling
nb_render_key_pairs = {
    "html": [
        ("img", ["src", "alt"]),
    ]
}

nb_output_folder = "_build/jupyter_execute"

# Make broken internal references into build time errors.
# See https://www.sphinx-doc.org/en/master/usage/configuration.html#confval-nitpicky
# for more information. :py:class: references are ignored due to false positives
# arising from type annotations. See https://github.com/ray-project/ray/pull/46103
# for additional context.
nitpicky = True
nitpick_ignore_regex = [
    ("py:obj", "ray.actor.T"),
    ("py:obj", "ray.data.aggregate.AccumulatorType"),
    ("py:obj", "ray.data.aggregate.SupportsRichComparisonType"),
    ("py:obj", "ray.data.aggregate.AggOutputType"),
    ("py:class", ".*"),
    # Workaround for https://github.com/sphinx-doc/sphinx/issues/10974
    ("py:obj", "ray\\.data\\.datasource\\.datasink\\.WriteReturnType"),
    # UnknownPreprocessorError is an internal exception not exported in public API
    ("py:exc", "UnknownPreprocessorError"),
    ("py:exc", "ray\\.data\\.preprocessors\\.version_support\\.UnknownPreprocessorError"),
    # TypeVar for gRPCInputStream generic type
    ("py:obj", "ray\\.serve\\.grpc_util\\.T"),
    # autodoc_pydantic generates invalid py:obj refs for pydantic v2 validators
    # (e.g. "all fields", "_validate_*" references in validator docstrings)
    ("py:obj", r"ray\.serve\.config\.\w+\.all fields"),
    ("py:obj", r"ray\.serve\.config\.GangSchedulingConfig\._validate_runtime_failure_policy"),
    ("py:obj", r"ray\.serve\.schema\.\w+\.all fields"),
    # autodoc_pydantic also emits invalid field refs for these dashboard job models.
    ("py:obj", r"ray\.dashboard\.modules\.job\.pydantic_models\.(DriverInfo|JobDetails)\.\w+"),
]

# Cache notebook outputs in _build/.jupyter_cache
# To prevent notebook execution, set this to "off". To force re-execution, set this to
# "force". To cache previous runs, set this to "cache".
nb_execution_mode = os.getenv("RUN_NOTEBOOKS", "off")

# Add a render priority for doctest
nb_mime_priority_overrides = [
    ("html", "application/vnd.jupyter.widget-view+json", 10),
    ("html", "application/javascript", 20),
    ("html", "text/html", 30),
    ("html", "image/svg+xml", 40),
    ("html", "image/png", 50),
    ("html", "image/jpeg", 60),
    ("html", "text/markdown", 70),
    ("html", "text/latex", 80),
    ("html", "text/plain", 90),
]

html_extra_path = ["robots.txt"]

html_baseurl = "https://docs.ray.io/en/latest/"

# `html_baseurl` already encodes `/en/latest/`, so override sphinx-sitemap's
# default `{lang}{version}{link}` scheme to just `{link}`. Otherwise the
# extension prepends `en/` again, producing URLs like `en/latesten/<page>`.
sitemap_url_scheme = "{link}"

# sphinxext-opengraph: emit Open Graph metadata per page. Pin `ogp_site_url`
# to `html_baseurl` so the `og:url` tag tracks the same canonical URL as
# Sphinx's `<link rel="canonical">`. If `ogp_site_url` were left unset, the
# extension would fall back to Read the Docs' `READTHEDOCS_CANONICAL_URL`
# env var (set by RtD's Addons framework from the project's "Canonical
# version" admin setting), which can diverge from `html_baseurl`. Per-page
# `:og:description:` and `:og:image:` can still be set in individual files.
ogp_site_url = html_baseurl

# This pattern matches:
# - Python Repl prompts (">>> ") and it's continuation ("... ")
# - Bash prompts ("$ ")
# - IPython prompts ("In []: ", "In [999]: ") and it's continuations
#   ("  ...: ", "     : ")
copybutton_prompt_text = r">>> |\.\.\. |\$ |In \[\d*\]: | {2,5}\.\.\.: | {5,8}: "
copybutton_prompt_is_regexp = True

# Ignore divs with class="no-copybutton"
copybutton_selector = "div:not(.no-copybutton) > div.highlight > pre"

# By default, tabs can be closed by selecting an open tab. We disable this
# functionality with the `sphinx_tabs_disable_tab_closing` option.
sphinx_tabs_disable_tab_closing = True

# Special mocking of packaging.version.Version is required when using sphinx;
# we can't just add this to autodoc_mock_imports, as packaging is imported by
# sphinx even before it can be mocked. Instead, we patch it here.
import packaging.version as packaging_version  # noqa

Version = packaging_version.Version


class MockVersion(Version):
    def __init__(self, version: str):
        if isinstance(version, (str, bytes)):
            super().__init__(version)
        else:
            super().__init__("0")


packaging_version.Version = MockVersion

# Add any paths that contain templates here, relative to this directory.
templates_path = ["_templates"]

# The master toctree document.
master_doc = "index"

# General information about the project.
project = "Ray"
copyright = str(datetime.now().year) + ", The Ray Team"
author = "The Ray Team"

# The version info for the project you're documenting acts as replacement for
# |version| and |release|, and is also used in various other places throughout the
# built documents. Retrieve the version using `find_version` rather than importing
# directly (from ray import __version__) because initializing ray will prevent
# mocking of certain external dependencies.
from setup import find_version  # noqa

release = find_version("ray", "_version.py")

language = "en"

# autogen files are only used to auto-generate public API documentation.
# They are not included in the toctree to avoid warnings such as documents not included
# in any toctree.
autogen_files = [
    "data/api/_autogen.rst",
]

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# Also helps resolve warnings about documents not included in any toctree.
exclude_patterns = [
    "templates/*",
    "cluster/running-applications/doc/ray.*",
    "data/api/ray.data.*.rst",
    # Hide README.md used for display on the console (anyscale templates)
    "serve/tutorials/**/content/**README.md",
    "data/examples/**/content/**README.md",
    "ray-overview/examples/**/content/**README.md",
    "ray-core/examples/**/content/**README.md",
    "train/examples/**/content/**README.md",
    "tune/examples/**/content/**README.md",
    # Other misc files (overviews, console-only examples, etc)
    "ray-overview/examples/llamafactory-llm-fine-tune/README.ipynb",
    "ray-overview/examples/llamafactory-llm-fine-tune/**/*.ipynb",
    "train/tutorials/content/**/README.md",
    "serve/tutorials/video-analysis/*.ipynb",
    # Legacy/backward compatibility
    "ray-overview/examples/**/README.md",
    "train/examples/**/README.md",
    "_collections/serve/tutorials/deployment-serve-llm/README.*",
    "_collections/serve/tutorials/deployment-serve-llm/*.ipynb",
    "_collections/serve/tutorials/deployment-serve-llm/**/*.ipynb",
] + autogen_files

# If "DOC_LIB" is found, only build that top-level navigation item.
build_one_lib = os.getenv("DOC_LIB")

all_toc_libs = [
    f.path.strip("./") for f in os.scandir(".") if f.is_dir() and "ray-" in f.path
]
all_toc_libs += [
    "cluster",
    "tune",
    "data",
    "train",
    "rllib",
    "serve",
    "llm",
    "workflows",
]
if build_one_lib and build_one_lib in all_toc_libs:
    all_toc_libs.remove(build_one_lib)
    exclude_patterns += all_toc_libs


# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False

# Do not check anchors for links because it produces many false positives
# and is slow (it needs to download the linked website).
linkcheck_anchors = False

if os.environ.get("LINKCHECK_ALL"):
    # Only check external links, i.e. the ones starting with http:// or https://.
    linkcheck_ignore = [
        r"^((?!http).)*$",  # exclude links not starting with http
        "http://ala2017.it.nuigalway.ie/papers/ALA2017_Gupta.pdf",  # broken
        "https://mvnrepository.com/artifact/*",  # working but somehow not with linkcheck
        # This should be fixed -- is temporal the successor of cadence? Do the examples need to be updated?
        "https://github.com/serverlessworkflow/specification/blob/main/comparisons/comparison-cadence.md",
        "https://www.oracle.com/java/technologies/javase-jdk15-downloads.html",  # forbidden for client
        "https://speakerdeck.com/*",  # forbidden for bots
        r"https://huggingface.co/*",  # seems to be flaky
        r"https://www.meetup.com/*",  # seems to be flaky
        r"https://www.pettingzoo.ml/*",  # seems to be flaky
        r"http://localhost[:/].*",  # Ignore localhost links
        r"^http:/$",  # Ignore incomplete links
        # 403 Client Error: Forbidden for url.
        # They ratelimit bots.
        "https://www.datanami.com/2018/02/01/rays-new-library-targets-high-speed-reinforcement-learning/",
        # 403 Client Error: Forbidden for url.
        # They ratelimit bots.
        "https://www.researchgate.net/publication/222573328_Stochastic_Gradient_Boosting",
        "https://www.datanami.com/2019/11/05/why-every-python-developer-will-love-ray/",
        "https://dev.mysql.com/doc/connector-python/en/",
        # Returning 522s intermittently.
        "https://lczero.org/",
        # Returns 406 but remains accessible
        "https://www.uber.com/blog/elastic-xgboost-ray/",
        # Aggressive anti-bot checks
        "https://archive.vn/*",
        "https://archive.is/*",
        # 429: Rate limited
        "https://medium.com/*",
        "https://towardsdatascience.com/*",
    ]
else:
    # Only check links that point to the ray-project org on github, since those
    # links are under our control and therefore much more likely to be real
    # issues that we need to fix if they are broken.
    linkcheck_ignore = [
        r"^(?!https://(raw\.githubusercontent|github)\.com/ray-project/).*$"
    ]


# -- Options for HTML output ----------------------------------------------
def render_svg_logo(path):
    with open(pathlib.Path(__file__).parent / path, "r") as f:
        content = f.read()

    return content


# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
html_theme = "pydata_sphinx_theme"

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
html_theme_options = {
    "use_edit_page_button": True,
    "announcement": """Try Ray with $100 credit — <a target="_blank" href="https://console.anyscale.com/register/ha?render_flow=ray&utm_source=ray_docs&utm_medium=docs&utm_campaign=banner">Start now</a><button type="button" id="close-banner" aria-label="Close banner">&times;</button>""",
    "logo": {
        "svg": render_svg_logo("_static/img/ray_logo.svg"),
    },
    "navbar_start": ["navbar-ray-logo"],
    "navbar_end": [
        "theme-switcher",
        "version-switcher",
        "navbar-icon-links",
        "navbar-anyscale",
    ],
    "navbar_center": ["navbar-links"],
    "navbar_align": "left",
    "secondary_sidebar_items": [
        "page-toc",
        "edit-on-github",
    ],
    "content_footer_items": [
        "csat",
    ],
    "navigation_depth": 4,
    "pygment_light_style": "stata-dark",
    "pygment_dark_style": "stata-dark",
    "switcher": {
        "json_url": "https://docs.ray.io/en/master/_static/versions.json",
        "version_match": os.getenv("READTHEDOCS_VERSION", "master"),
    },
}

html_context = {
    "github_user": "ray-project",
    "github_repo": "ray",
    "github_version": "master",
    "doc_path": "doc/source/",
}

html_sidebars = {
    "**": [
        (
            "main-sidebar-readthedocs"
            if os.getenv("READTHEDOCS") == "True"
            else "main-sidebar"
        )
    ],
    "ray-overview/examples": [],
}

# The name for this set of Sphinx documents.  If None, it defaults to
# "<project> v<release> documentation".
html_title = f"Ray {release}"

autodoc_typehints_format = "short"

# The name of an image file (within the static path) to use as favicon of the
# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
html_favicon = "_static/favicon.ico"

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ["_static"]


# Output file base name for HTML help builder.
htmlhelp_basename = "Raydoc"

# -- Options for LaTeX output ---------------------------------------------

latex_elements = {
    # The paper size ('letterpaper' or 'a4paper').
    # 'papersize': 'letterpaper',
    # The font size ('10pt', '11pt' or '12pt').
    # 'pointsize': '10pt',
    # Additional stuff for the LaTeX preamble.
    # 'preamble': '',
    # Latex figure (float) alignment
    # 'figure_align': 'htbp',
}

latex_documents = [
    (master_doc, "Ray.tex", "Ray Documentation", author, "manual"),
]

# -- Options for manual page output ---------------------------------------

man_pages = [(master_doc, "ray", "Ray Documentation", [author], 1)]

# -- Options for Texinfo output -------------------------------------------
texinfo_documents = [
    (
        master_doc,
        "Ray",
        "Ray Documentation",
        author,
        "Ray",
        "Ray provides a simple, universal API for building distributed applications.",
        "Miscellaneous",
    ),
]

# Python methods should be presented in source code order
autodoc_member_order = "bysource"

# Better typehint formatting (see custom.css)
autodoc_typehints = "signature"


def filter_out_undoc_class_members(member_name, class_name, module_name):
    module = import_module(module_name)
    cls = getattr(module, class_name)
    if getattr(cls, member_name).__doc__:
        return f"~{class_name}.{member_name}"
    else:
        return ""


def has_public_constructor(class_name, module_name):
    cls = getattr(import_module(module_name), class_name)
    return _is_public_api(cls)


def get_api_groups(method_names, class_name, module_name):
    api_groups = set()
    cls = getattr(import_module(module_name), class_name)
    for method_name in method_names:
        method = getattr(cls, method_name)
        if _is_public_api(method):
            api_groups.add(
                safe_getattr(method, "_annotated_api_group", DEFAULT_API_GROUP)
            )

    return sorted(api_groups)


def select_api_group(method_names, class_name, module_name, api_group):
    cls = getattr(import_module(module_name), class_name)
    return [
        method_name
        for method_name in method_names
        if _is_public_api(getattr(cls, method_name))
        and _is_api_group(getattr(cls, method_name), api_group)
    ]


def _is_public_api(obj):
    api_type = safe_getattr(obj, "_annotated_type", None)
    if not api_type:
        return False
    return api_type.value == "PublicAPI"


def _is_api_group(obj, group):
    return safe_getattr(obj, "_annotated_api_group", DEFAULT_API_GROUP) == group


FILTERS["filter_out_undoc_class_members"] = filter_out_undoc_class_members
FILTERS["get_api_groups"] = get_api_groups
FILTERS["select_api_group"] = select_api_group
FILTERS["has_public_constructor"] = has_public_constructor


def add_custom_assets(
    app: sphinx.application.Sphinx,
    pagename: str,
    templatename: str,
    context: Dict[str, Any],
    doctree: nodes.Node,
):
    """Add custom per-page assets.

    See documentation on Sphinx Core Events for more information:
    https://www.sphinx-doc.org/en/master/extdev/appapi.html#sphinx-core-events
    """
    if pagename == "index":
        app.add_css_file("css/index.css")
        app.add_js_file("js/index.js")
        return "index.html"  # Use the special index.html template for this page

    if pagename == "ray-overview/examples":
        app.add_css_file("css/examples.css")
        app.add_js_file("js/examples.js")
        return "ray-overview/examples.html"

    if pagename in [
        "data/examples",
        "train/examples",
        "serve/examples",
    ]:
        return "examples.html"

    if pagename == "train/train":
        app.add_css_file("css/ray-train.css")
    elif pagename == "ray-overview/ray-libraries":
        app.add_css_file("css/ray-libraries.css")
    elif pagename == "ray-overview/use-cases":
        app.add_css_file("css/use_cases.css")


def _autogen_apis(app: sphinx.application.Sphinx):
    """
    Auto-generate public API documentation.
    """
    try:
        generate.generate_autosummary_docs(
            [os.path.join(app.srcdir, file) for file in autogen_files],
            app=app,
        )
    except Exception as e:
        import warnings
        warnings.warn(f"Skipping autogen due to: {e}")


def process_signature(app, what, name, obj, options, signature, return_annotation):
    # Sphinx is unable to render dataclass with factory/`field`
    # https://github.com/sphinx-doc/sphinx/issues/10893
    if what == "class" and is_dataclass(obj):
        return signature.replace("<factory>", "..."), return_annotation


def setup(app):
    # Only generate versions JSON during RTD build
    if os.getenv("READTHEDOCS") == "True":
        generate_versions_json()

    pregenerate_example_rsts(app)

    # NOTE: 'MOCK' is a custom option we introduced to illustrate mock outputs. Since
    # `doctest` doesn't support this flag by default, `sphinx.ext.doctest` raises
    # warnings when we build the documentation.
    import doctest

    doctest.register_optionflag("MOCK")
    app.connect("html-page-context", update_context)

    app.add_config_value("navbar_content_path", "navbar.yml", "env")
    app.connect("config-inited", parse_navbar_config)
    app.connect("html-page-context", setup_context)
    app.connect("html-page-context", add_custom_assets)

    # https://github.com/ines/termynal
    app.add_js_file("js/termynal.js", defer="defer")
    app.add_css_file("css/termynal.css")

    app.add_js_file("js/custom.js", defer="defer")
    app.add_css_file("css/custom.css", priority=800)

    app.add_js_file("js/csat.js", defer="defer")
    app.add_css_file("css/csat.css")

    app.add_js_file("js/dismissable-banner.js", defer="defer")
    app.add_css_file("css/dismissable-banner.css")

    base_path = pathlib.Path(__file__).parent
    github_docs = DownloadAndPreprocessEcosystemDocs(base_path)
    # Download docs from ecosystem library repos
    app.connect("builder-inited", github_docs.write_new_docs)
    # Restore original file content after build
    app.connect("build-finished", github_docs.write_original_docs)

    # Hook into the logger used by linkcheck to display a summary at the end.
    linkcheck_summarizer = LinkcheckSummarizer()
    app.connect("builder-inited", linkcheck_summarizer.add_handler_to_linkcheck)
    app.connect("build-finished", linkcheck_summarizer.summarize)

    # Hook into the auto generation of public apis
    app.connect("builder-inited", _autogen_apis)

    app.connect("autodoc-process-signature", process_signature)

    class DuplicateObjectFilter(logging.Filter):
        def filter(self, record):
            # Intentionally allow duplicate object description of ray.actor.ActorMethod.bind:
            # once in Ray Core API and once in Compiled Graph API
            if "duplicate object description of ray.actor.ActorMethod.bind" in record.getMessage():
                return False  # Don't log this specific warning
            return True  # Log all other warnings

    logging.getLogger("sphinx").addFilter(DuplicateObjectFilter())

    # Register hook to mark orphan documents
    example_orphan_documents = collect_example_orphans(app.confdir, app.srcdir)
    def mark_orphans(app, docname, _source):
        if docname in example_orphan_documents:
            app.env.metadata.setdefault(docname, {})
            app.env.metadata[docname]["orphan"] = True

    app.connect('source-read', mark_orphans)

    # Fix code-block language tags in _collections markdown files.
    # Notebooks converted to markdown tag Jupyter magic shell commands
    # (e.g. ``!serve run ...``) as ``python`` code blocks, which causes
    # Sphinx highlighting warnings.  Re-tag them as ``bash``.
    _MAGIC_CODE_BLOCK_RE = re.compile(r"```python\n(![a-z])")

    def fix_collections_code_blocks(app, docname, source):
        if docname.startswith("_collections/"):
            source[0] = _MAGIC_CODE_BLOCK_RE.sub(r"```bash\n\1", source[0])

    app.connect('source-read', fix_collections_code_blocks)


redoc = [
    {
        "name": "Ray Jobs API",
        "page": "cluster/running-applications/job-submission/api",
        "spec": "cluster/running-applications/job-submission/openapi.yml",
        "embed": True,
    },
]

redoc_uri = "https://cdn.redoc.ly/redoc/latest/bundles/redoc.standalone.js"

autosummary_filename_map = {
    "ray.serve.deployment": "ray.serve.deployment_decorator",
    "ray.serve.Deployment": "ray.serve.Deployment",
}

# Mock out external dependencies here.

autodoc_mock_imports = [
    "aiohttp",
    "async_timeout",
    "backoff",
    "cachetools",
    "comet_ml",
    "composer",
    "cupy",
    "dask",
    "datasets",
    "fastapi",
    "filelock",
    "fsspec",
    "google",
    "grpc",
    "gymnasium",
    "horovod",
    "huggingface",
    "httpx",
    "joblib",
    "lightgbm",
    "lightgbm_ray",
    "mlflow",
    "nevergrad",
    "numpy",
    "pandas",
    "pyarrow",
    "pyarrow.compute",
    "pytorch_lightning",
    "scipy",
    "setproctitle",
    "skimage",
    "sklearn",
    "starlette",
    "tensorflow",
    "torch",
    "torchvision",
    "transformers",
    "tree",
    "typer",
    "uvicorn",
    "wandb",
    "watchfiles",
    "openai",
    "xgboost",
    "xgboost_ray",
    "psutil",
    "colorama",
    "grpc",
    "vllm",
    # Internal compiled modules
    "ray._raylet",
    "ray.core.generated",
    "ray.serve.generated",
]

for mock_target in autodoc_mock_imports:
    if mock_target in sys.modules:
        logger.info(
            f"Potentially problematic mock target ({mock_target}) found; "
            "autodoc_mock_imports cannot mock modules that have already "
            "been loaded into sys.modules when the sphinx build starts."
        )


# Other sphinx docs can be linked to if the appropriate URL to the docs
# is specified in the `intersphinx_mapping` - for example, types annotations
# that are defined in dependencies can link to their respective documentation.
intersphinx_mapping = {
    "aiohttp": ("https://docs.aiohttp.org/en/stable/", None),
    "composer": ("https://docs.mosaicml.com/en/latest/", None),
    "dask": ("https://docs.dask.org/en/stable/", None),
    "datasets": ("https://huggingface.co/docs/datasets/main/en/", None),
    "distributed": ("https://distributed.dask.org/en/stable/", None),
    "grpc": ("https://grpc.github.io/grpc/python/", None),
    "gymnasium": ("https://gymnasium.farama.org/", None),
    "horovod": ("https://horovod.readthedocs.io/en/stable/", None),
    "lightgbm": ("https://lightgbm.readthedocs.io/en/latest/", None),
    "mars": ("https://mars-project.readthedocs.io/en/latest/", None),
    "modin": ("https://modin.readthedocs.io/en/stable/", None),
    "nevergrad": ("https://facebookresearch.github.io/nevergrad/", None),
    "numpy": ("https://numpy.org/doc/stable/", None),
    "pandas": (
        "https://pandas.pydata.org/pandas-docs/stable/",
        "https://github.com/ray-project/pandas/releases/download/object-mirror-0.1.0/objects.inv",
    ),
    "pyarrow": ("https://arrow.apache.org/docs", None),
    "pydantic": ("https://docs.pydantic.dev/latest/", None),
    "pymongoarrow": ("https://mongo-arrow.readthedocs.io/en/latest/", None),
    "pyspark": ("https://spark.apache.org/docs/latest/api/python/", None),
    "python": ("https://docs.python.org/3", None),
    "pytorch_lightning": ("https://lightning.ai/docs/pytorch/stable/", None),
    "scipy": (
        "https://docs.scipy.org/doc/scipy/",
        "https://github.com/ray-project/scipy/releases/download/object-mirror-0.1.0/objects.inv",
    ),
    "sklearn": ("https://scikit-learn.org/stable/", None),
    "tensorflow": (
        "https://www.tensorflow.org/api_docs/python",
        "https://raw.githubusercontent.com/GPflow/tensorflow-intersphinx/master/tf2_py_objects.inv",
    ),
    "torch": (
        "https://docs.pytorch.org/docs/stable/",
        "https://docs.pytorch.org/docs/2.7/objects.inv",
    ),
    "torchvision": ("https://pytorch.org/vision/stable/", None),
    "transformers": ("https://huggingface.co/docs/transformers/main/en/", None),
}

# Ray must not be imported in conf.py because third party modules initialized by
# `import ray` will no be mocked out correctly. Perform a check here to ensure
# ray is not imported by future maintainers.
assert (
    "ray" not in sys.modules
), "If ray is already imported, we will not render documentation correctly!"

os.environ["RAY_DOC_BUILD"] = "1"

[rtd-command-info] start-time: None, end-time: None, duration: None, exit-code: None
python -m sphinx -T -W --keep-going -j auto -b html -d _build/doctrees -D language=en . $READTHEDOCS_OUTPUT/html