Merge branch 'master' into ci/libboost

2024-08-07 22:04:21 +03:00 · 2024-08-07 22:04:21 +03:00 · 144f092c74
--- a/.appveyor.yml
+++ b/.appveyor.yml
@ -39,4 +39,4 @@ test_script:
  - conda config --add channels conda-forge
  - conda config --set channel_priority strict
  - conda init powershell
-  - powershell.exe -ExecutionPolicy Bypass -File %APPVEYOR_BUILD_FOLDER%\.ci\test_windows.ps1
+  - powershell.exe -ExecutionPolicy Bypass -File %APPVEYOR_BUILD_FOLDER%\.ci\test-windows.ps1
--- a/.ci/append-comment.sh
+++ b/.ci/append-comment.sh
@ -4,7 +4,7 @@
 #     Update comment appending a given body to the specified original comment.
 #
 # [usage]
-#     append_comment.sh <COMMENT_ID> <BODY>
+#     append-comment.sh <COMMENT_ID> <BODY>
 #
 # COMMENT_ID: ID of comment that should be modified.
 #
--- a/helpers/check_dynamic_dependencies.py
+++ b/helpers/check_dynamic_dependencies.py
--- a/.ci/check-python-dists.sh
+++ b/.ci/check-python-dists.sh
--- a/.nuget/create_nuget.py
+++ b/.nuget/create_nuget.py
@ -8,20 +8,20 @@ from shutil import copyfile

 if __name__ == "__main__":
    source = Path(sys.argv[1])
-    current_dir = Path(__file__).absolute().parent
-    linux_folder_path = current_dir / "runtimes" / "linux-x64" / "native"
+    nuget_dir = Path(__file__).absolute().parent / "nuget"
+    linux_folder_path = nuget_dir / "runtimes" / "linux-x64" / "native"
    linux_folder_path.mkdir(parents=True, exist_ok=True)
-    osx_folder_path = current_dir / "runtimes" / "osx-x64" / "native"
+    osx_folder_path = nuget_dir / "runtimes" / "osx-x64" / "native"
    osx_folder_path.mkdir(parents=True, exist_ok=True)
-    windows_folder_path = current_dir / "runtimes" / "win-x64" / "native"
+    windows_folder_path = nuget_dir / "runtimes" / "win-x64" / "native"
    windows_folder_path.mkdir(parents=True, exist_ok=True)
-    build_folder_path = current_dir / "build"
+    build_folder_path = nuget_dir / "build"
    build_folder_path.mkdir(parents=True, exist_ok=True)
    copyfile(source / "lib_lightgbm.so", linux_folder_path / "lib_lightgbm.so")
    copyfile(source / "lib_lightgbm.dylib", osx_folder_path / "lib_lightgbm.dylib")
    copyfile(source / "lib_lightgbm.dll", windows_folder_path / "lib_lightgbm.dll")
    copyfile(source / "lightgbm.exe", windows_folder_path / "lightgbm.exe")
-    version = (current_dir.parent / "VERSION.txt").read_text(encoding="utf-8").strip().replace("rc", "-rc")
+    version = (nuget_dir.parents[1] / "VERSION.txt").read_text(encoding="utf-8").strip().replace("rc", "-rc")
    nuget_str = rf"""<?xml version="1.0"?>
    <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
    <metadata>
@ -76,6 +76,6 @@ if __name__ == "__main__":
    </Target>
    </Project>
    """
-    (current_dir / "LightGBM.nuspec").write_text(nuget_str, encoding="utf-8")
-    (current_dir / "build" / "LightGBM.props").write_text(prop_str, encoding="utf-8")
-    (current_dir / "build" / "LightGBM.targets").write_text(target_str, encoding="utf-8")
+    (nuget_dir / "LightGBM.nuspec").write_text(nuget_str, encoding="utf-8")
+    (nuget_dir / "build" / "LightGBM.props").write_text(prop_str, encoding="utf-8")
+    (nuget_dir / "build" / "LightGBM.targets").write_text(target_str, encoding="utf-8")
--- a/.ci/get-workflow-status.py
+++ b/.ci/get-workflow-status.py
@ -2,7 +2,7 @@
 """Get the most recent status of workflow for the current PR.

 [usage]
-    python get_workflow_status.py TRIGGER_PHRASE
+    python get-workflow-status.py TRIGGER_PHRASE

 TRIGGER_PHRASE: Code phrase that triggers workflow.
 """
--- a/.ci/install-opencl.ps1
+++ b/.ci/install-opencl.ps1
--- a/.ci/lint-r-code.R
+++ b/.ci/lint-r-code.R
--- a/helpers/parameter_generator.py
+++ b/helpers/parameter_generator.py
@ -286,7 +286,7 @@ def gen_parameter_code(
 * Licensed under the MIT License. See LICENSE file in the project root for license information.
 *
 * \note
- * This file is auto generated by LightGBM\helpers\parameter_generator.py from LightGBM\include\LightGBM\config.h file.
+ * This file is auto generated by LightGBM\.ci\parameter-generator.py from LightGBM\include\LightGBM\config.h file.
 */
 """
    str_to_write += "#include<LightGBM/config.h>\nnamespace LightGBM {\n"
--- a/.ci/rerun-workflow.sh
+++ b/.ci/rerun-workflow.sh
@ -4,7 +4,7 @@
 #     Rerun specified workflow for given pull request.
 #
 # [usage]
-#     rerun_workflow.sh <WORKFLOW_ID> <PR_NUMBER> <PR_BRANCH>
+#     rerun-workflow.sh <WORKFLOW_ID> <PR_NUMBER> <PR_BRANCH>
 #
 # WORKFLOW_ID: Identifier (config name of ID) of a workflow to be rerun.
 #
--- a/.ci/set-commit-status.sh
+++ b/.ci/set-commit-status.sh
@ -4,7 +4,7 @@
 #     Set a status with a given name to the specified commit.
 #
 # [usage]
-#     set_commit_status.sh <NAME> <STATUS> <SHA>
+#     set-commit-status.sh <NAME> <STATUS> <SHA>
 #
 # NAME: Name of status.
 #       Status with existing name overwrites a previous one.
--- a/.ci/setup.sh
+++ b/.ci/setup.sh
@ -29,6 +29,25 @@ if [[ $OS_NAME == "macos" ]]; then
        brew install swig
    fi
 else  # Linux
+    if type -f apt 2>&1 > /dev/null; then
+        sudo apt-get update
+        sudo apt-get install --no-install-recommends -y \
+            ca-certificates \
+            curl
+    else
+        sudo yum update -y
+        sudo yum install -y \
+            ca-certificates \
+            curl
+    fi
+    CMAKE_VERSION="3.30.0"
+    curl -O -L \
+        https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-linux-${ARCH}.sh \
+    || exit 1
+    sudo mkdir /opt/cmake || exit 1
+    sudo sh cmake-${CMAKE_VERSION}-linux-${ARCH}.sh --skip-license --prefix=/opt/cmake || exit 1
+    sudo ln -sf /opt/cmake/bin/cmake /usr/local/bin/cmake || exit 1
+
    if [[ $IN_UBUNTU_BASE_CONTAINER == "true" ]]; then
        # fixes error "unable to initialize frontend: Dialog"
        # https://github.com/moby/moby/issues/27988#issuecomment-462809153
@ -40,9 +59,6 @@ else  # Linux

        sudo apt-get install --no-install-recommends -y \
            build-essential \
-            ca-certificates \
-            cmake \
-            curl \
            git \
            libcurl4 \
            libicu-dev \
@ -120,21 +136,12 @@ else  # Linux
    fi
    if [[ $TASK == "cuda" ]]; then
        echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
-        apt-get update
-        apt-get install --no-install-recommends -y \
-            curl \
-            lsb-release \
-            software-properties-common
        if [[ $COMPILER == "clang" ]]; then
+            apt-get update
            apt-get install --no-install-recommends -y \
                clang \
                libomp-dev
        fi
-        curl -sL https://apt.kitware.com/keys/kitware-archive-latest.asc | apt-key add -
-        apt-add-repository "deb https://apt.kitware.com/ubuntu/ $(lsb_release -cs) main" -y
-        apt-get update
-        apt-get install --no-install-recommends -y \
-            cmake
    fi
 fi

--- a/.ci/test-r-package-valgrind.sh
+++ b/.ci/test-r-package-valgrind.sh
--- a/.ci/test-r-package-windows.ps1
+++ b/.ci/test-r-package-windows.ps1
@ -45,6 +45,8 @@ Remove-From-Path ".*android.*"
 Remove-From-Path ".*Android.*"
 Remove-From-Path ".*chocolatey.*"
 Remove-From-Path ".*Chocolatey.*"
+Remove-From-Path ".*cmake.*"
+Remove-From-Path ".*CMake.*"
 Remove-From-Path ".*\\Git\\.*"
 Remove-From-Path "(?!.*pandoc.*).*hostedtoolcache.*"
 Remove-From-Path ".*Microsoft SDKs.*"
@ -87,10 +89,12 @@ if ($env:R_MAJOR_VERSION -eq "3") {
  Write-Output "[ERROR] Unrecognized R version: $env:R_VERSION"
  Check-Output $false
 }
+$env:CMAKE_VERSION = "3.30.0"

 $env:R_LIB_PATH = "$env:BUILD_SOURCESDIRECTORY/RLibrary" -replace '[\\]', '/'
 $env:R_LIBS = "$env:R_LIB_PATH"
-$env:PATH = "$env:RTOOLS_BIN;" + "$env:RTOOLS_MINGW_BIN;" + "$env:R_LIB_PATH/R/bin/x64;"+ $env:PATH
+$env:CMAKE_PATH = "$env:BUILD_SOURCESDIRECTORY/CMake_installation"
+$env:PATH = "$env:RTOOLS_BIN;" + "$env:RTOOLS_MINGW_BIN;" + "$env:R_LIB_PATH/R/bin/x64;" + "$env:CMAKE_PATH/cmake-$env:CMAKE_VERSION-windows-x86_64/bin;" + $env:PATH
 if ([version]$env:R_VERSION -lt [version]"4.0") {
  $env:CRAN_MIRROR = "https://cran-archive.r-project.org"
 } else {
@ -112,11 +116,13 @@ if (($env:COMPILER -eq "MINGW") -and ($env:R_BUILD_TYPE -eq "cmake")) {
 cd $env:BUILD_SOURCESDIRECTORY
 tzutil /s "GMT Standard Time"
 [Void][System.IO.Directory]::CreateDirectory($env:R_LIB_PATH)
+[Void][System.IO.Directory]::CreateDirectory($env:CMAKE_PATH)

-# download R and RTools
-Write-Output "Downloading R and Rtools"
+# download R, RTools and CMake
+Write-Output "Downloading R, Rtools and CMake"
 Download-File-With-Retries -url "$env:CRAN_MIRROR/bin/windows/base/old/$env:R_WINDOWS_VERSION/R-$env:R_WINDOWS_VERSION-win.exe" -destfile "R-win.exe"
 Download-File-With-Retries -url "https://github.com/microsoft/LightGBM/releases/download/v2.0.12/$env:RTOOLS_EXE_FILE" -destfile "Rtools.exe"
+Download-File-With-Retries -url "https://github.com/Kitware/CMake/releases/download/v$env:CMAKE_VERSION/cmake-$env:CMAKE_VERSION-windows-x86_64.zip" -destfile "$env:CMAKE_PATH/cmake.zip"

 # Install R
 Write-Output "Installing R"
@ -127,6 +133,13 @@ Write-Output "Installing Rtools"
 Start-Process -FilePath Rtools.exe -NoNewWindow -Wait -ArgumentList "/VERYSILENT /SUPPRESSMSGBOXES /DIR=$RTOOLS_INSTALL_PATH" ; Check-Output $?
 Write-Output "Done installing Rtools"

+Write-Output "Installing CMake"
+Add-Type -AssemblyName System.IO.Compression.FileSystem
+[System.IO.Compression.ZipFile]::ExtractToDirectory("$env:CMAKE_PATH/cmake.zip", "$env:CMAKE_PATH") ; Check-Output $?
+# Remove old CMake shiped with RTools
+Remove-Item "$env:RTOOLS_MINGW_BIN/cmake.exe" -Force -ErrorAction Ignore
+Write-Output "Done installing CMake"
+
 Write-Output "Installing dependencies"
 $packages = "c('data.table', 'jsonlite', 'knitr', 'markdown', 'Matrix', 'processx', 'R6', 'RhpcBLASctl', 'testthat'), dependencies = c('Imports', 'Depends', 'LinkingTo')"
 Run-R-Code-Redirect-Stderr "options(install.packages.check.source = 'no'); install.packages($packages, repos = '$env:CRAN_MIRROR', type = 'binary', lib = '$env:R_LIB_PATH', Ncpus = parallel::detectCores())" ; Check-Output $?
--- a/.ci/test-r-package.sh
+++ b/.ci/test-r-package.sh
@ -4,7 +4,6 @@ set -e -E -u -o pipefail

 # defaults
 ARCH=$(uname -m)
-INSTALL_CMAKE_FROM_RELEASES=${INSTALL_CMAKE_FROM_RELEASES:-"false"}

 # set up R environment
 CRAN_MIRROR="https://cran.rstudio.com"
@ -74,15 +73,6 @@ if [[ $OS_NAME == "linux" ]]; then
                automake \
                || exit 1
    fi
-    if [[ $INSTALL_CMAKE_FROM_RELEASES == "true" ]]; then
-        curl -O -L \
-            https://github.com/Kitware/CMake/releases/download/v3.25.1/cmake-3.25.1-linux-${ARCH}.sh \
-        || exit 1
-
-        sudo mkdir /opt/cmake || exit 1
-        sudo sh cmake-3.25.1-linux-${ARCH}.sh --skip-license --prefix=/opt/cmake || exit 1
-        sudo ln -s /opt/cmake/bin/cmake /usr/local/bin/cmake || exit 1
-    fi
 fi

 # Installing R precompiled for Mac OS 10.11 or higher
--- a/.ci/test-windows.ps1
+++ b/.ci/test-windows.ps1
@ -17,7 +17,7 @@ Remove-Item $env:TMPDIR -Force -Recurse -ErrorAction Ignore
 [Void][System.IO.Directory]::CreateDirectory($env:TMPDIR)

 if ($env:TASK -eq "r-package") {
-  & .\.ci\test_r_package_windows.ps1 ; Check-Output $?
+  & .\.ci\test-r-package-windows.ps1 ; Check-Output $?
  Exit 0
 }

@ -31,11 +31,22 @@ if ($env:TASK -eq "cpp-tests") {
 if ($env:TASK -eq "swig") {
  $env:JAVA_HOME = $env:JAVA_HOME_8_X64  # there is pre-installed Eclipse Temurin 8 somewhere
  $ProgressPreference = "SilentlyContinue"  # progress bar bug extremely slows down download speed
-  Invoke-WebRequest -Uri "https://github.com/microsoft/LightGBM/releases/download/v2.0.12/swigwin-4.0.2.zip" -OutFile $env:BUILD_SOURCESDIRECTORY/swig/swigwin.zip -UserAgent "NativeHost"
+  Invoke-WebRequest -Uri "https://sourceforge.net/projects/swig/files/latest/download" -OutFile $env:BUILD_SOURCESDIRECTORY/swig/swigwin.zip -UserAgent "curl"
  Add-Type -AssemblyName System.IO.Compression.FileSystem
-  [System.IO.Compression.ZipFile]::ExtractToDirectory("$env:BUILD_SOURCESDIRECTORY/swig/swigwin.zip", "$env:BUILD_SOURCESDIRECTORY/swig")
-  $env:PATH = "$env:BUILD_SOURCESDIRECTORY/swig/swigwin-4.0.2;" + $env:PATH
-  cmake -B build -S . -A x64 -DUSE_SWIG=ON ; Check-Output $?
+  [System.IO.Compression.ZipFile]::ExtractToDirectory("$env:BUILD_SOURCESDIRECTORY/swig/swigwin.zip", "$env:BUILD_SOURCESDIRECTORY/swig") ; Check-Output $?
+  $SwigFolder = Get-ChildItem -Directory -Name -Path "$env:BUILD_SOURCESDIRECTORY/swig"
+  $env:PATH = "$env:BUILD_SOURCESDIRECTORY/swig/$SwigFolder;" + $env:PATH
+  $BuildLogFileName = "$env:BUILD_SOURCESDIRECTORY\cmake_build.log"
+  cmake -B build -S . -A x64 -DUSE_SWIG=ON *> "$BuildLogFileName" ; $build_succeeded = $?
+  Write-Output "CMake build logs:"
+  Get-Content -Path "$BuildLogFileName"
+  Check-Output $build_succeeded
+  $checks = Select-String -Path "${BuildLogFileName}" -Pattern "-- Found SWIG.*${SwigFolder}/swig.exe"
+  $checks_cnt = $checks.Matches.length
+  if ($checks_cnt -eq 0) {
+    Write-Output "Wrong SWIG version was found (expected '${SwigFolder}'). Check the build logs."
+    Check-Output $False
+  }
  cmake --build build --target ALL_BUILD --config Release ; Check-Output $?
  if ($env:AZURE -eq "true") {
    cp ./build/lightgbmlib.jar $env:BUILD_ARTIFACTSTAGINGDIRECTORY/lightgbmlib_win.jar ; Check-Output $?
@ -77,7 +88,7 @@ if ($env:TASK -eq "regular") {
 }
 elseif ($env:TASK -eq "sdist") {
  sh ./build-python.sh sdist ; Check-Output $?
-  sh ./.ci/check_python_dists.sh ./dist ; Check-Output $?
+  sh ./.ci/check-python-dists.sh ./dist ; Check-Output $?
  cd dist; pip install @(Get-ChildItem *.gz) -v ; Check-Output $?
 }
 elseif ($env:TASK -eq "bdist") {
@ -92,7 +103,7 @@ elseif ($env:TASK -eq "bdist") {

  conda activate $env:CONDA_ENV
  sh "build-python.sh" bdist_wheel --integrated-opencl ; Check-Output $?
-  sh ./.ci/check_python_dists.sh ./dist ; Check-Output $?
+  sh ./.ci/check-python-dists.sh ./dist ; Check-Output $?
  cd dist; pip install @(Get-ChildItem *py3-none-win_amd64.whl) ; Check-Output $?
  cp @(Get-ChildItem *py3-none-win_amd64.whl) $env:BUILD_ARTIFACTSTAGINGDIRECTORY
 } elseif (($env:APPVEYOR -eq "true") -and ($env:TASK -eq "python")) {
--- a/.ci/test.sh
+++ b/.ci/test.sh
@ -43,7 +43,7 @@ else
 fi

 if [[ "${TASK}" == "r-package" ]] || [[ "${TASK}" == "r-rchk" ]]; then
-    bash "${BUILD_DIRECTORY}/.ci/test_r_package.sh" || exit 1
+    bash "${BUILD_DIRECTORY}/.ci/test-r-package.sh" || exit 1
    exit 0
 fi

@ -86,7 +86,7 @@ if [[ $TASK == "swig" ]]; then
    if [[ $OS_NAME == "linux" ]] && [[ $COMPILER == "gcc" ]]; then
        objdump -T ./lib_lightgbm.so > ./objdump.log || exit 1
        objdump -T ./lib_lightgbm_swig.so >> ./objdump.log || exit 1
-        python ./helpers/check_dynamic_dependencies.py ./objdump.log || exit 1
+        python ./.ci/check-dynamic-dependencies.py ./objdump.log || exit 1
    fi
    if [[ $PRODUCES_ARTIFACTS == "true" ]]; then
        cp ./build/lightgbmlib.jar $BUILD_ARTIFACTSTAGINGDIRECTORY/lightgbmlib_$OS_NAME.jar
@ -108,7 +108,7 @@ if [[ $TASK == "lint" ]]; then
    echo "Linting Python code"
    bash ./.ci/lint-python.sh || exit 1
    echo "Linting R code"
-    Rscript ./.ci/lint_r_code.R "${BUILD_DIRECTORY}" || exit 1
+    Rscript ./.ci/lint-r-code.R "${BUILD_DIRECTORY}" || exit 1
    echo "Linting C++ code"
    bash ./.ci/lint-cpp.sh || exit 1
    exit 0
@ -143,7 +143,7 @@ if [[ $TASK == "check-docs" ]] || [[ $TASK == "check-links" ]]; then
    cd "${BUILD_DIRECTORY}"
    cp ./docs/Parameters.rst ./docs/Parameters-backup.rst
    cp ./src/io/config_auto.cpp ./src/io/config_auto-backup.cpp
-    python ./helpers/parameter_generator.py || exit 1
+    python ./.ci/parameter-generator.py || exit 1
    diff ./docs/Parameters-backup.rst ./docs/Parameters.rst || exit 1
    diff ./src/io/config_auto-backup.cpp ./src/io/config_auto.cpp || exit 1
    exit 0
@ -170,7 +170,7 @@ cd "${BUILD_DIRECTORY}"

 if [[ $TASK == "sdist" ]]; then
    sh ./build-python.sh sdist || exit 1
-    sh .ci/check_python_dists.sh ./dist || exit 1
+    sh .ci/check-python-dists.sh ./dist || exit 1
    pip install ./dist/lightgbm-$LGB_VER.tar.gz -v || exit 1
    if [[ $PRODUCES_ARTIFACTS == "true" ]]; then
        cp ./dist/lightgbm-$LGB_VER.tar.gz $BUILD_ARTIFACTSTAGINGDIRECTORY || exit 1
@ -180,7 +180,7 @@ if [[ $TASK == "sdist" ]]; then
 elif [[ $TASK == "bdist" ]]; then
    if [[ $OS_NAME == "macos" ]]; then
        sh ./build-python.sh bdist_wheel || exit 1
-        sh .ci/check_python_dists.sh ./dist || exit 1
+        sh .ci/check-python-dists.sh ./dist || exit 1
        if [[ $PRODUCES_ARTIFACTS == "true" ]]; then
            cp dist/lightgbm-$LGB_VER-py3-none-macosx*.whl $BUILD_ARTIFACTSTAGINGDIRECTORY || exit 1
        fi
@ -199,7 +199,7 @@ elif [[ $TASK == "bdist" ]]; then
        mv \
            ./dist/tmp.whl \
            ./dist/lightgbm-$LGB_VER-py3-none-$PLATFORM.whl || exit 1
-        sh .ci/check_python_dists.sh ./dist || exit 1
+        sh .ci/check-python-dists.sh ./dist || exit 1
        if [[ $PRODUCES_ARTIFACTS == "true" ]]; then
            cp dist/lightgbm-$LGB_VER-py3-none-$PLATFORM.whl $BUILD_ARTIFACTSTAGINGDIRECTORY || exit 1
        fi
@ -216,7 +216,7 @@ if [[ $TASK == "gpu" ]]; then
    grep -q 'std::string device_type = "gpu"' ./include/LightGBM/config.h || exit 1  # make sure that changes were really done
    if [[ $METHOD == "pip" ]]; then
        sh ./build-python.sh sdist || exit 1
-        sh .ci/check_python_dists.sh ./dist || exit 1
+        sh .ci/check-python-dists.sh ./dist || exit 1
        pip install \
            -v \
            --config-settings=cmake.define.USE_GPU=ON \
@ -226,7 +226,7 @@ if [[ $TASK == "gpu" ]]; then
        exit 0
    elif [[ $METHOD == "wheel" ]]; then
        sh ./build-python.sh bdist_wheel --gpu || exit 1
-        sh ./.ci/check_python_dists.sh ./dist || exit 1
+        sh ./.ci/check-python-dists.sh ./dist || exit 1
        pip install ./dist/lightgbm-$LGB_VER*.whl -v || exit 1
        pytest ./tests || exit 1
        exit 0
@ -241,7 +241,7 @@ elif [[ $TASK == "cuda" ]]; then
    grep -q 'gpu_use_dp = true' ./include/LightGBM/config.h || exit 1  # make sure that changes were really done
    if [[ $METHOD == "pip" ]]; then
        sh ./build-python.sh sdist || exit 1
-        sh ./.ci/check_python_dists.sh ./dist || exit 1
+        sh ./.ci/check-python-dists.sh ./dist || exit 1
        pip install \
            -v \
            --config-settings=cmake.define.USE_CUDA=ON \
@ -251,7 +251,7 @@ elif [[ $TASK == "cuda" ]]; then
        exit 0
    elif [[ $METHOD == "wheel" ]]; then
        sh ./build-python.sh bdist_wheel --cuda || exit 1
-        sh ./.ci/check_python_dists.sh ./dist || exit 1
+        sh ./.ci/check-python-dists.sh ./dist || exit 1
        pip install ./dist/lightgbm-$LGB_VER*.whl -v || exit 1
        pytest ./tests || exit 1
        exit 0
@ -261,7 +261,7 @@ elif [[ $TASK == "cuda" ]]; then
 elif [[ $TASK == "mpi" ]]; then
    if [[ $METHOD == "pip" ]]; then
        sh ./build-python.sh sdist || exit 1
-        sh ./.ci/check_python_dists.sh ./dist || exit 1
+        sh ./.ci/check-python-dists.sh ./dist || exit 1
        pip install \
            -v \
            --config-settings=cmake.define.USE_MPI=ON \
@ -271,7 +271,7 @@ elif [[ $TASK == "mpi" ]]; then
        exit 0
    elif [[ $METHOD == "wheel" ]]; then
        sh ./build-python.sh bdist_wheel --mpi || exit 1
-        sh ./.ci/check_python_dists.sh ./dist || exit 1
+        sh ./.ci/check-python-dists.sh ./dist || exit 1
        pip install ./dist/lightgbm-$LGB_VER*.whl -v || exit 1
        pytest ./tests || exit 1
        exit 0
@ -294,7 +294,7 @@ if [[ $TASK == "regular" ]]; then
        else
            if [[ $COMPILER == "gcc" ]]; then
                objdump -T ./lib_lightgbm.so > ./objdump.log || exit 1
-                python ./helpers/check_dynamic_dependencies.py ./objdump.log || exit 1
+                python ./.ci/check-dynamic-dependencies.py ./objdump.log || exit 1
            fi
            cp ./lib_lightgbm.so $BUILD_ARTIFACTSTAGINGDIRECTORY/lib_lightgbm.so
        fi
--- a/.ci/trigger-dispatch-run.sh
+++ b/.ci/trigger-dispatch-run.sh
@ -4,7 +4,7 @@
 #     Trigger manual workflow run by a dispatch event.
 #
 # [usage]
-#     trigger_dispatch_run.sh <PR_URL> <COMMENT_ID> <DISPATCH_NAME>
+#     trigger-dispatch-run.sh <PR_URL> <COMMENT_ID> <DISPATCH_NAME>
 #
 # PR_URL: URL of pull request from which dispatch is triggering.
 #
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@ -98,7 +98,7 @@ jobs:
            linux_version: "ubuntu20.04"
            task: cuda
    steps:
-      - name: Install latest git
+      - name: Install latest git and sudo
        run: |
          apt-get update
          apt-get install --no-install-recommends -y \
@ -107,7 +107,8 @@ jobs:
          add-apt-repository ppa:git-core/ppa -y
          apt-get update
          apt-get install --no-install-recommends -y \
-              git
+              git \
+              sudo
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
--- a/.github/workflows/optional_checks.yml
+++ b/.github/workflows/optional_checks.yml
@ -23,7 +23,7 @@ jobs:
            for i in "${workflows[@]}"; do
                workflow_name=${i%;*}
                trigger_phrase=${i#*;}
-                python "$GITHUB_WORKSPACE/.ci/get_workflow_status.py" "$trigger_phrase" \
+                python "$GITHUB_WORKSPACE/.ci/get-workflow-status.py" "$trigger_phrase" \
                || { echo "The last reported status from workflow \"$workflow_name\" is failure. Commit fixes and rerun the workflow."; \
                exit 1; }
            done
--- a/.github/workflows/r_package.yml
+++ b/.github/workflows/r_package.yml
@ -181,13 +181,13 @@ jobs:
      - name: Install pandoc
        uses: r-lib/actions/setup-pandoc@v2
        if: matrix.container != 'ubuntu:18.04'
-      # R 3.6 binary isn't easily available on buntu 18.04,
+      # R 3.6 binary isn't easily available on Ubuntu 18.04,
      # but setup-pandoc>=2.7.1 is uses a too-new glibc for it.
      # ref: https://github.com/microsoft/LightGBM/issues/6298
      - name: Install pandoc
        uses: r-lib/actions/setup-pandoc@v2.6.0
        if: matrix.container == 'ubuntu:18.04'
-      - name: install tinytex
+      - name: Install tinytex
        if: startsWith(matrix.os, 'windows')
        uses: r-lib/actions/setup-tinytex@v2
        env:
@ -204,11 +204,6 @@ jobs:
          elif [[ "${{ matrix.os }}" == "ubuntu-latest" ]]; then
              export OS_NAME="linux"
              export IN_UBUNTU_BASE_CONTAINER="true"
-              # the default version of cmake provided on Ubuntu 18.04 (v3.10.2), is not supported by LightGBM
-              # see https://github.com/microsoft/LightGBM/issues/5642
-              if [[ "${{ matrix.container }}" == "ubuntu:18.04" ]]; then
-                export INSTALL_CMAKE_FROM_RELEASES="true"
-              fi
          fi
          export BUILD_DIRECTORY="$GITHUB_WORKSPACE"
          export R_VERSION="${{ matrix.r_version }}"
@ -226,7 +221,7 @@ jobs:
          $env:R_BUILD_TYPE = "${{ matrix.build_type }}"
          $env:COMPILER = "${{ matrix.compiler }}"
          $env:TASK = "${{ matrix.task }}"
-          & "$env:GITHUB_WORKSPACE/.ci/test_windows.ps1"
+          & "$env:GITHUB_WORKSPACE/.ci/test-windows.ps1"
  test-r-sanitizers:
    name: r-sanitizers (ubuntu-latest, R-devel, ${{ matrix.compiler }} ASAN/UBSAN)
    timeout-minutes: 60
--- a/.github/workflows/r_valgrind.yml
+++ b/.github/workflows/r_valgrind.yml
@ -33,24 +33,24 @@ jobs:
      - name: Send init status
        if: ${{ always() }}
        run: |
-          $GITHUB_WORKSPACE/.ci/set_commit_status.sh "${{ github.workflow }}" "pending" "${{ github.event.client_payload.pr_sha }}"
-          $GITHUB_WORKSPACE/.ci/append_comment.sh \
+          $GITHUB_WORKSPACE/.ci/set-commit-status.sh "${{ github.workflow }}" "pending" "${{ github.event.client_payload.pr_sha }}"
+          $GITHUB_WORKSPACE/.ci/append-comment.sh \
            "${{ github.event.client_payload.comment_number }}" \
            "Workflow **${{ github.workflow }}** has been triggered! 🚀\r\n${GITHUB_SERVER_URL}/microsoft/LightGBM/actions/runs/${GITHUB_RUN_ID}"
      - name: Run tests with valgrind
        shell: bash
-        run: ./.ci/test_r_package_valgrind.sh
+        run: ./.ci/test-r-package-valgrind.sh
      - name: Send final status
        if: ${{ always() }}
        run: |
-          $GITHUB_WORKSPACE/.ci/set_commit_status.sh "${{ github.workflow }}" "${{ job.status }}" "${{ github.event.client_payload.pr_sha }}"
-          $GITHUB_WORKSPACE/.ci/append_comment.sh \
+          $GITHUB_WORKSPACE/.ci/set-commit-status.sh "${{ github.workflow }}" "${{ job.status }}" "${{ github.event.client_payload.pr_sha }}"
+          $GITHUB_WORKSPACE/.ci/append-comment.sh \
            "${{ github.event.client_payload.comment_number }}" \
            "Status: ${{ job.status }}."
      - name: Rerun workflow-indicator
        if: ${{ always() }}
        run: |
-          bash $GITHUB_WORKSPACE/.ci/rerun_workflow.sh \
+          bash $GITHUB_WORKSPACE/.ci/rerun-workflow.sh \
            "optional_checks.yml" \
            "${{ github.event.client_payload.pr_number }}" \
            "${{ github.event.client_payload.pr_branch }}" \
--- a/.github/workflows/triggering_comments.yml
+++ b/.github/workflows/triggering_comments.yml
@ -20,7 +20,7 @@ jobs:
    - name: Trigger R valgrind tests
      if: github.event.comment.body == '/gha run r-valgrind'
      run: |
-        $GITHUB_WORKSPACE/.ci/trigger_dispatch_run.sh \
+        $GITHUB_WORKSPACE/.ci/trigger-dispatch-run.sh \
          "${{ github.event.issue.pull_request.url }}" \
          "${{ github.event.comment.id }}" \
          "gha_run_r_valgrind"
@ -28,7 +28,7 @@ jobs:
    - name: Trigger update R configure
      if: github.event.comment.body == '/gha run r-configure'
      run: |
-        $GITHUB_WORKSPACE/.ci/trigger_dispatch_run.sh \
+        $GITHUB_WORKSPACE/.ci/trigger-dispatch-run.sh \
          "${{ github.event.issue.pull_request.url }}" \
          "${{ github.event.comment.id }}" \
          "gha_run_r_configure"
--- a/.vsts-ci.yml
+++ b/.vsts-ci.yml
@ -328,7 +328,7 @@ jobs:
      git clean -d -f -x
    displayName: 'Clean source directory'
  - script: |
-      cmd /c "powershell -ExecutionPolicy Bypass -File %BUILD_SOURCESDIRECTORY%/.ci/install_opencl.ps1"
+      cmd /c "powershell -ExecutionPolicy Bypass -File %BUILD_SOURCESDIRECTORY%/.ci/install-opencl.ps1"
    condition: eq(variables['TASK'], 'bdist')
    displayName: 'Install OpenCL'
  - script: |
@ -337,7 +337,7 @@ jobs:
      cmd /c "conda config --add channels conda-forge"
      cmd /c "conda config --set channel_priority strict"
      cmd /c "conda init powershell"
-      cmd /c "powershell -ExecutionPolicy Bypass -File %BUILD_SOURCESDIRECTORY%/.ci/test_windows.ps1"
+      cmd /c "powershell -ExecutionPolicy Bypass -File %BUILD_SOURCESDIRECTORY%/.ci/test-windows.ps1"
    displayName: Test
  - task: PublishBuildArtifacts@1
    condition: and(succeeded(), in(variables['TASK'], 'regular', 'bdist', 'swig'), not(startsWith(variables['Build.SourceBranch'], 'refs/pull/')))
@ -419,12 +419,12 @@ jobs:
      artifactName: R-package
      downloadPath: $(Build.SourcesDirectory)/R
  - script: |
-      python "$(Build.SourcesDirectory)/.nuget/create_nuget.py" "$(Build.SourcesDirectory)/binaries/PackageAssets"
+      python "$(Build.SourcesDirectory)/.ci/create-nuget.py" "$(Build.SourcesDirectory)/binaries/PackageAssets"
    displayName: 'Create NuGet configuration files'
  - task: NuGetCommand@2
    inputs:
      command: pack
-      packagesToPack: '$(Build.SourcesDirectory)/.nuget/*.nuspec'
+      packagesToPack: '$(Build.SourcesDirectory)/.ci/nuget/*.nuspec'
      packDestination: '$(Build.ArtifactStagingDirectory)/nuget'
  - task: PublishBuildArtifacts@1
    inputs:
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -23,7 +23,7 @@ option(__BUILD_FOR_PYTHON "Set to ON if building lib_lightgbm for use with the P
 option(__BUILD_FOR_R "Set to ON if building lib_lightgbm for use with the R package" OFF)
 option(__INTEGRATE_OPENCL "Set to ON if building LightGBM with the OpenCL ICD Loader and its dependencies included" OFF)

-cmake_minimum_required(VERSION 3.18)
+cmake_minimum_required(VERSION 3.28)

 # If using Visual Studio generators, always target v10.x of the Windows SDK.
 # Doing this avoids lookups that could fall back to very old versions, e.g. by finding
@ -415,40 +415,85 @@ if(USE_MPI)
  include_directories(${MPI_CXX_INCLUDE_PATH})
 endif()

-file(
-    GLOB
-    SOURCES
-      src/boosting/*.cpp
-      src/io/*.cpp
-      src/metric/*.cpp
-      src/objective/*.cpp
-      src/network/*.cpp
-      src/treelearner/*.cpp
-      src/utils/*.cpp
+set(
+    LGBM_SOURCES
+      src/boosting/boosting.cpp
+      src/boosting/gbdt_model_text.cpp
+      src/boosting/gbdt_prediction.cpp
+      src/boosting/gbdt.cpp
+      src/boosting/prediction_early_stop.cpp
+      src/boosting/sample_strategy.cpp
+      src/io/bin.cpp
+      src/io/config_auto.cpp
+      src/io/config.cpp
+      src/io/dataset_loader.cpp
+      src/io/dataset.cpp
+      src/io/file_io.cpp
+      src/io/json11.cpp
+      src/io/metadata.cpp
+      src/io/parser.cpp
+      src/io/train_share_states.cpp
+      src/io/tree.cpp
+      src/metric/dcg_calculator.cpp
+      src/metric/metric.cpp
+      src/network/linker_topo.cpp
+      src/network/linkers_mpi.cpp
+      src/network/linkers_socket.cpp
+      src/network/network.cpp
+      src/objective/objective_function.cpp
+      src/treelearner/data_parallel_tree_learner.cpp
+      src/treelearner/feature_histogram.cpp
+      src/treelearner/feature_parallel_tree_learner.cpp
+      src/treelearner/gpu_tree_learner.cpp
+      src/treelearner/gradient_discretizer.cpp
+      src/treelearner/linear_tree_learner.cpp
+      src/treelearner/serial_tree_learner.cpp
+      src/treelearner/tree_learner.cpp
+      src/treelearner/voting_parallel_tree_learner.cpp
+      src/utils/openmp_wrapper.cpp
 )
-file(
-    GLOB
+set(
    LGBM_CUDA_SOURCES
-      src/treelearner/*.cu
-      src/boosting/cuda/*.cpp
-      src/boosting/cuda/*.cu
-      src/metric/cuda/*.cpp
-      src/metric/cuda/*.cu
-      src/objective/cuda/*.cpp
-      src/objective/cuda/*.cu
-      src/treelearner/cuda/*.cpp
-      src/treelearner/cuda/*.cu
-      src/io/cuda/*.cu
-      src/io/cuda/*.cpp
-      src/cuda/*.cpp
-      src/cuda/*.cu
+      src/boosting/cuda/cuda_score_updater.cpp
+      src/boosting/cuda/cuda_score_updater.cu
+      src/metric/cuda/cuda_binary_metric.cpp
+      src/metric/cuda/cuda_pointwise_metric.cpp
+      src/metric/cuda/cuda_regression_metric.cpp
+      src/metric/cuda/cuda_pointwise_metric.cu
+      src/objective/cuda/cuda_binary_objective.cpp
+      src/objective/cuda/cuda_multiclass_objective.cpp
+      src/objective/cuda/cuda_rank_objective.cpp
+      src/objective/cuda/cuda_regression_objective.cpp
+      src/objective/cuda/cuda_binary_objective.cu
+      src/objective/cuda/cuda_multiclass_objective.cu
+      src/objective/cuda/cuda_rank_objective.cu
+      src/objective/cuda/cuda_regression_objective.cu
+      src/treelearner/cuda/cuda_best_split_finder.cpp
+      src/treelearner/cuda/cuda_data_partition.cpp
+      src/treelearner/cuda/cuda_histogram_constructor.cpp
+      src/treelearner/cuda/cuda_leaf_splits.cpp
+      src/treelearner/cuda/cuda_single_gpu_tree_learner.cpp
+      src/treelearner/cuda/cuda_best_split_finder.cu
+      src/treelearner/cuda/cuda_data_partition.cu
+      src/treelearner/cuda/cuda_gradient_discretizer.cu
+      src/treelearner/cuda/cuda_histogram_constructor.cu
+      src/treelearner/cuda/cuda_leaf_splits.cu
+      src/treelearner/cuda/cuda_single_gpu_tree_learner.cu
+      src/io/cuda/cuda_column_data.cu
+      src/io/cuda/cuda_tree.cu
+      src/io/cuda/cuda_column_data.cpp
+      src/io/cuda/cuda_metadata.cpp
+      src/io/cuda/cuda_row_data.cpp
+      src/io/cuda/cuda_tree.cpp
+      src/cuda/cuda_utils.cpp
+      src/cuda/cuda_algorithms.cu
 )

 if(USE_CUDA)
-  list(APPEND SOURCES ${LGBM_CUDA_SOURCES})
+  list(APPEND LGBM_SOURCES ${LGBM_CUDA_SOURCES})
 endif()

-add_library(lightgbm_objs OBJECT ${SOURCES})
+add_library(lightgbm_objs OBJECT ${LGBM_SOURCES})

 if(BUILD_CLI)
    add_executable(lightgbm src/main.cpp src/application/application.cpp)
@ -670,7 +715,19 @@ if(BUILD_CPP_TEST)
  set(LightGBM_TEST_HEADER_DIR ${PROJECT_SOURCE_DIR}/tests/cpp_tests)
  include_directories(${LightGBM_TEST_HEADER_DIR})

-  file(GLOB CPP_TEST_SOURCES tests/cpp_tests/*.cpp)
+  set(
+    CPP_TEST_SOURCES
+      tests/cpp_tests/test_array_args.cpp
+      tests/cpp_tests/test_arrow.cpp
+      tests/cpp_tests/test_byte_buffer.cpp
+      tests/cpp_tests/test_chunked_array.cpp
+      tests/cpp_tests/test_common.cpp
+      tests/cpp_tests/test_main.cpp
+      tests/cpp_tests/test_serialize.cpp
+      tests/cpp_tests/test_single_row.cpp
+      tests/cpp_tests/test_stream.cpp
+      tests/cpp_tests/testutils.cpp
+    )
  if(MSVC)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /permissive-")
  endif()
--- a/R-package/src/install.libs.R
+++ b/R-package/src/install.libs.R
@ -15,14 +15,8 @@ if (.Machine$sizeof.pointer != 8L) {
  stop("LightGBM only supports 64-bit R, please check the version of R and Rtools.")
 }

-R_int_UUID <- .Internal(internalsID())
 R_ver <- as.double(R.Version()$major) + as.double(R.Version()$minor) / 10.0

-if (!(R_int_UUID == "0310d4b8-ccb1-4bb8-ba94-d36a55f60262"
-    || R_int_UUID == "2fdf6c18-697a-4ba7-b8ef-11c0d92f1327")) {
-  warning("Warning: unmatched R_INTERNALS_UUID, may not run normally.")
-}
-
 # Get some paths
 source_dir <- file.path(R_PACKAGE_SOURCE, "src", fsep = "/")
 build_dir <- file.path(source_dir, "build", fsep = "/")
@ -133,7 +127,13 @@ if (WINDOWS && use_visual_studio) {
 }

 # Prepare installation steps
-cmake_args <- NULL
+cmake_args <- c(
+  "-D__BUILD_FOR_R=ON"
+  # pass in R version, to help FindLibR find the R library
+  , sprintf("-DCMAKE_R_VERSION='%s.%s'", R.Version()[["major"]], R.Version()[["minor"]])
+  # ensure CMake build respects how R is configured (`R CMD config SHLIB_EXT`)
+  , sprintf("-DCMAKE_SHARED_LIBRARY_SUFFIX_CXX='%s'", SHLIB_EXT)
+)
 build_cmd <- "make"
 build_args <- c("_lightgbm", make_args_from_build_script)
 lib_folder <- file.path(source_dir, fsep = "/")
@ -174,18 +174,6 @@ windows_makefile_generator <- WINDOWS_BUILD_TOOLS[[windows_toolchain]][["makefil
 if (use_gpu) {
  cmake_args <- c(cmake_args, "-DUSE_GPU=ON")
 }
-cmake_args <- c(cmake_args, "-D__BUILD_FOR_R=ON")
-
-# Pass in R version, used to help find R executable for linking
-R_version_string <- paste(
-  R.Version()[["major"]]
-  , R.Version()[["minor"]]
-  , sep = "."
-)
-r_version_arg <- sprintf("-DCMAKE_R_VERSION='%s'", R_version_string)
-# ensure CMake build respects how R is configured (`R CMD config SHLIB_EXT`)
-shlib_ext_arg <- sprintf("-DCMAKE_SHARED_LIBRARY_SUFFIX_CXX='%s'", SHLIB_EXT)
-cmake_args <- c(cmake_args, r_version_arg, shlib_ext_arg)

 # the checks below might already run `cmake -G`. If they do, set this flag
 # to TRUE to avoid re-running it later
--- a/cmake/IntegratedOpenCL.cmake
+++ b/cmake/IntegratedOpenCL.cmake
@ -16,20 +16,26 @@ include(FetchContent)
 FetchContent_Declare(OpenCL-Headers GIT_REPOSITORY ${OPENCL_HEADER_REPOSITORY} GIT_TAG ${OPENCL_HEADER_TAG})
 FetchContent_GetProperties(OpenCL-Headers)
 if(NOT OpenCL-Headers_POPULATED)
-  FetchContent_Populate(OpenCL-Headers)
+  FetchContent_MakeAvailable(OpenCL-Headers)
  message(STATUS "Populated OpenCL Headers")
 endif()
 set(OPENCL_ICD_LOADER_HEADERS_DIR ${opencl-headers_SOURCE_DIR} CACHE PATH "") # for OpenCL ICD Loader
 set(OpenCL_INCLUDE_DIR ${opencl-headers_SOURCE_DIR} CACHE PATH "") # for Boost::Compute

-FetchContent_Declare(OpenCL-ICD-Loader GIT_REPOSITORY ${OPENCL_LOADER_REPOSITORY} GIT_TAG ${OPENCL_LOADER_TAG})
+FetchContent_Declare(
+  OpenCL-ICD-Loader
+  GIT_REPOSITORY
+  ${OPENCL_LOADER_REPOSITORY}
+  GIT_TAG
+  ${OPENCL_LOADER_TAG}
+  EXCLUDE_FROM_ALL
+)
 FetchContent_GetProperties(OpenCL-ICD-Loader)
 if(NOT OpenCL-ICD-Loader_POPULATED)
-  FetchContent_Populate(OpenCL-ICD-Loader)
+  FetchContent_MakeAvailable(OpenCL-ICD-Loader)
  if(WIN32)
    set(USE_DYNAMIC_VCXX_RUNTIME ON)
  endif()
-  add_subdirectory(${opencl-icd-loader_SOURCE_DIR} ${opencl-icd-loader_BINARY_DIR} EXCLUDE_FROM_ALL)
  message(STATUS "Populated OpenCL ICD Loader")
 endif()
 list(APPEND INTEGRATED_OPENCL_INCLUDES ${OPENCL_ICD_LOADER_HEADERS_DIR})
--- a/docs/Parameters.rst
+++ b/docs/Parameters.rst
@ -1,4 +1,4 @@
-..  List of parameters is auto generated by LightGBM\helpers\parameter_generator.py from LightGBM\include\LightGBM\config.h file.
+..  List of parameters is auto generated by LightGBM\.ci\parameter-generator.py from LightGBM\include\LightGBM\config.h file.

 .. role:: raw-html(raw)
    :format: html
--- a/docs/README.rst
+++ b/docs/README.rst
@ -6,7 +6,7 @@ and `Breathe <https://breathe.readthedocs.io/>`__, which works on top of `Doxyge

 List of parameters and their descriptions in `Parameters.rst <./Parameters.rst>`__
 is generated automatically from comments in `config file <https://github.com/microsoft/LightGBM/blob/master/include/LightGBM/config.h>`__
-by `this script <https://github.com/microsoft/LightGBM/blob/master/helpers/parameter_generator.py>`__.
+by `this script <https://github.com/microsoft/LightGBM/blob/master/.ci/parameter-generator.py>`__.

 After each commit on ``master``, documentation is updated and published to `Read the Docs <https://lightgbm.readthedocs.io/>`__.

--- a/python-package/pyproject.toml
+++ b/python-package/pyproject.toml
@ -63,7 +63,7 @@ build-backend = "scikit_build_core.build"
 # based on https://github.com/scikit-build/scikit-build-core#configuration
 [tool.scikit-build]

-cmake.version = ">=3.18"
+cmake.version = ">=3.28"
 ninja.version = ">=1.11"
 ninja.make-fallback = true
 cmake.args = [
--- a/src/io/config_auto.cpp
+++ b/src/io/config_auto.cpp
@ -3,7 +3,7 @@
 * Licensed under the MIT License. See LICENSE file in the project root for license information.
 *
 * \note
- * This file is auto generated by LightGBM\helpers\parameter_generator.py from LightGBM\include\LightGBM\config.h file.
+ * This file is auto generated by LightGBM\.ci\parameter-generator.py from LightGBM\include\LightGBM\config.h file.
 */
 #include<LightGBM/config.h>
 namespace LightGBM {
--- a/tests/c_api_test/test_.py
+++ b/tests/c_api_test/test_.py
@ -175,11 +175,12 @@ def test_dataset():
    free_dataset(train)


-def test_booster():
+def test_booster(tmp_path):
    binary_example_dir = Path(__file__).absolute().parents[2] / "examples" / "binary_classification"
    train = load_from_mat(binary_example_dir / "binary.train", None)
    test = load_from_mat(binary_example_dir / "binary.test", train)
    booster = ctypes.c_void_p()
+    model_path = tmp_path / "model.txt"
    LIB.LGBM_BoosterCreate(train, c_str("app=binary metric=auc num_leaves=31 verbose=0"), ctypes.byref(booster))
    LIB.LGBM_BoosterAddValidData(booster, test)
    is_finished = ctypes.c_int(0)
@ -192,13 +193,13 @@ def test_booster():
        )
        if i % 10 == 0:
            print(f"{i} iteration test AUC {result[0]:.6f}")
-    LIB.LGBM_BoosterSaveModel(booster, ctypes.c_int(0), ctypes.c_int(-1), ctypes.c_int(0), c_str("model.txt"))
+    LIB.LGBM_BoosterSaveModel(booster, ctypes.c_int(0), ctypes.c_int(-1), ctypes.c_int(0), c_str(str(model_path)))
    LIB.LGBM_BoosterFree(booster)
    free_dataset(train)
    free_dataset(test)
    booster2 = ctypes.c_void_p()
    num_total_model = ctypes.c_int(0)
-    LIB.LGBM_BoosterCreateFromModelfile(c_str("model.txt"), ctypes.byref(num_total_model), ctypes.byref(booster2))
+    LIB.LGBM_BoosterCreateFromModelfile(c_str(str(model_path)), ctypes.byref(num_total_model), ctypes.byref(booster2))
    data = np.loadtxt(str(binary_example_dir / "binary.test"), dtype=np.float64)
    mat = data[:, 1:]
    preb = np.empty(mat.shape[0], dtype=np.float64)
--- a/tests/python_package_test/test_engine.py
+++ b/tests/python_package_test/test_engine.py
@ -1112,15 +1112,15 @@ def test_early_stopping_can_be_triggered_via_custom_callback():
    assert bst.current_iteration() == 7


-def test_continue_train():
+def test_continue_train(tmp_path):
    X, y = make_synthetic_regression()
    X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.1, random_state=42)
    params = {"objective": "regression", "metric": "l1", "verbose": -1}
    lgb_train = lgb.Dataset(X_train, y_train, free_raw_data=False)
    lgb_eval = lgb.Dataset(X_test, y_test, reference=lgb_train, free_raw_data=False)
    init_gbm = lgb.train(params, lgb_train, num_boost_round=20)
-    model_name = "model.txt"
-    init_gbm.save_model(model_name)
+    model_path = tmp_path / "model.txt"
+    init_gbm.save_model(model_path)
    evals_result = {}
    gbm = lgb.train(
        params,
@ -1130,7 +1130,7 @@ def test_continue_train():
        # test custom eval metrics
        feval=(lambda p, d: ("custom_mae", mean_absolute_error(p, d.get_label()), False)),
        callbacks=[lgb.record_evaluation(evals_result)],
-        init_model="model.txt",
+        init_model=model_path,
    )
    ret = mean_absolute_error(y_test, gbm.predict(X_test))
    assert ret < 13.6
@ -1713,7 +1713,7 @@ def test_all_expected_params_are_written_out_to_model_text(tmp_path):

 # why fixed seed?
 # sometimes there is no difference how cols are treated (cat or not cat)
-def test_pandas_categorical(rng_fixed_seed):
+def test_pandas_categorical(rng_fixed_seed, tmp_path):
    pd = pytest.importorskip("pandas")
    X = pd.DataFrame(
        {
@ -1756,8 +1756,9 @@ def test_pandas_categorical(rng_fixed_seed):
    gbm3 = lgb.train(params, lgb_train, num_boost_round=10, categorical_feature=["A", "B", "C", "D"])
    pred3 = gbm3.predict(X_test)
    assert lgb_train.categorical_feature == ["A", "B", "C", "D"]
-    gbm3.save_model("categorical.model")
-    gbm4 = lgb.Booster(model_file="categorical.model")
+    categorical_model_path = tmp_path / "categorical.model"
+    gbm3.save_model(categorical_model_path)
+    gbm4 = lgb.Booster(model_file=categorical_model_path)
    pred4 = gbm4.predict(X_test)
    model_str = gbm4.model_to_string()
    gbm4.model_from_string(model_str)
--- a/tests/python_package_test/test_sklearn.py
+++ b/tests/python_package_test/test_sklearn.py
@ -558,7 +558,7 @@ def test_feature_importances_type():

 # why fixed seed?
 # sometimes there is no difference how cols are treated (cat or not cat)
-def test_pandas_categorical(rng_fixed_seed):
+def test_pandas_categorical(rng_fixed_seed, tmp_path):
    pd = pytest.importorskip("pandas")
    X = pd.DataFrame(
        {
@ -593,8 +593,9 @@ def test_pandas_categorical(rng_fixed_seed):
    pred2 = gbm2.predict(X_test, raw_score=True)
    gbm3 = lgb.sklearn.LGBMClassifier(n_estimators=10).fit(X, y, categorical_feature=["A", "B", "C", "D"])
    pred3 = gbm3.predict(X_test, raw_score=True)
-    gbm3.booster_.save_model("categorical.model")
-    gbm4 = lgb.Booster(model_file="categorical.model")
+    categorical_model_path = tmp_path / "categorical.model"
+    gbm3.booster_.save_model(categorical_model_path)
+    gbm4 = lgb.Booster(model_file=categorical_model_path)
    pred4 = gbm4.predict(X_test)
    gbm5 = lgb.sklearn.LGBMClassifier(n_estimators=10).fit(X, y, categorical_feature=["A", "B", "C", "D", "E"])
    pred5 = gbm5.predict(X_test, raw_score=True)