Fully drop python < 3.10 support

.github/workflows/images.yml

@@ -43,11 +43,9 @@ jobs:
           - { name: Fedora,                       id: fedora         }
           - { name: Gentoo,                       id: gentoo         }
           - { name: OpenSUSE,                     id: opensuse       }
-          - { name: Ubuntu Bionic,                id: bionic         }
           - { name: Ubuntu Rolling,               id: ubuntu-rolling }
     steps:
-        # Need v3 because of bionic
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       # Login to dockerhub
       - name: Docker login

.github/workflows/lint.yml

@@ -52,8 +52,7 @@ jobs:
     - uses: actions/setup-python@v5
       with:
         python-version: '3.x'
-    # Pin mypy to version 1.8, so we retain the ability to lint for Python 3.7
-    - run: python -m pip install "mypy==1.8" strictyaml truststore types-PyYAML types-tqdm types-chevron
+    - run: python -m pip install mypy strictyaml truststore types-PyYAML types-tqdm types-chevron
     - run: python run_mypy.py --allver
       env:
         PYTHONUNBUFFERED: 1

.github/workflows/os_comp.yml

@@ -42,24 +42,13 @@ jobs:
           - { name: Fedora,           id: fedora   }
           - { name: Gentoo,           id: gentoo   }
           - { name: OpenSUSE,         id: opensuse }
-          - { name: Ubuntu Bionic,    id: bionic   }
     container:
       image: mesonbuild/${{ matrix.cfg.id }}:latest
-      volumes:
-        - ${{ matrix.cfg.id == 'bionic' && '/node20217:/node20217:rw,rshared' || ' ' }}
-        - ${{ matrix.cfg.id == 'bionic' && '/node20217:/__e/node20:ro,rshared' || ' ' }}
     env:
       MESON_CI_JOBNAME: linux-${{ matrix.cfg.id }}-gcc
 
     steps:
-    - name: install nodejs20glibc2.17
-      if: ${{ matrix.cfg.id == 'bionic' }}
-      run: |
-        apt install curl -y
-        curl -LO https://unofficial-builds.nodejs.org/download/release/v20.9.0/node-v20.9.0-linux-x64-glibc-217.tar.xz
-        tar -xf node-v20.9.0-linux-x64-glibc-217.tar.xz --strip-components 1 -C /node20217
-        ldd /__e/node20/bin/node
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Run tests
       # All environment variables are stored inside the docker image in /ci/env_vars.sh

README.md

@@ -12,10 +12,13 @@ build system.
 
 #### Dependencies
 
- - [Python](https://python.org) (version 3.7 or newer)
+ - [Python](https://python.org) (version 3.10 or newer)
  - [Ninja](https://ninja-build.org) (version 1.8.2 or newer)
 
 Latest Meson version supporting previous Python versions:
+- Python 3.9: **1.11**
+- Python 3.8: **1.11**
+- Python 3.7: **1.11**
 - Python 3.6: **0.61.5**
 - Python 3.5: **0.56.2**
 - Python 3.4: **0.45.1**

ci/run.ps1

@@ -20,7 +20,7 @@ if ($env:arch -eq 'x64') {
     # Rust puts its shared stdlib in a secret place, but it is needed to run tests.
     $env:Path += ";$HOME/.rustup/toolchains/stable-i686-pc-windows-msvc/bin"
     # Need 32-bit Python for tests that need the Python dependency
-    $env:Path = "C:\hostedtoolcache\windows\Python\3.7.9\x86;C:\hostedtoolcache\windows\Python\3.7.9\x86\Scripts;$env:Path"
+    $env:Path = "C:\hostedtoolcache\windows\Python\3.10.19\x86;C:\hostedtoolcache\windows\Python\3.10.19\x86\Scripts;$env:Path"
 }
 
 # Set the CI env var for the meson test framework
@@ -92,7 +92,7 @@ python --version
 
 # Needed for running unit tests in parallel.
 echo ""
-python -m pip --disable-pip-version-check install --upgrade pefile pytest-xdist pytest-subtests fastjsonschema 
+python -m pip --disable-pip-version-check install --upgrade pefile pytest-xdist pytest-subtests fastjsonschema
 
 # Needed for running the Cython tests
 python -m pip --disable-pip-version-check install cython

docs/markdown/Continuous-Integration.md

@@ -233,33 +233,6 @@ The following statement is sufficient for Meson to find Boost:
  - cmd: set BOOST_ROOT=C:\Libraries\boost_1_67_0
 ```
 
-## Travis without Docker
-
-Non-Docker Travis-CI builds can use Linux, MacOS or Windows.
-Set the desired compiler(s) in the build **matrix**.
-This example is for **Linux** (Ubuntu 18.04) and **C**.
-
-```yaml
-dist: bionic
-group: travis_latest
-
-os: linux
-language: python
-
-matrix:
-  include:
-    - env: CC=gcc
-    - env: CC=clang
-
-install:
-  - pip install meson ninja
-
-script:
-  - meson setup builddir
-  - meson compile -C builddir
-  - meson test -C builddir
-```
-
 ## GitHub Actions
 
 GitHub Actions provides a versatile platform for continuous integration

docs/markdown/FAQ.md

@@ -345,7 +345,10 @@ bug fixes.
 
 - python 3.5: [supported through Meson 0.56.2](Release-notes-for-0.56.0.md#python-35-support-will-be-dropped-in-the-next-release)
 - python 3.6: [supported through Meson 0.61.5](Release-notes-for-0.61.0.md#python-36-support-will-be-dropped-in-the-next-release)
-- python 3.7: currently actively supported by Meson
+- python 3.7: [supported through Meson 1.11.x](Release-notes-for-1.11.0.md#last-major-version-supporting-python-37-38-and-39)
+- python 3.8: [supported through Meson 1.11.x](Release-notes-for-1.11.0.md#last-major-version-supporting-python-37-38-and-39)
+- python 3.9: [supported through Meson 1.11.x](Release-notes-for-1.11.0.md#last-major-version-supporting-python-37-38-and-39)
+- python 3.10: Currently supported
 
 We encourage projects to support a wide range of Meson versions if they are not
 actually using the latest features anyway. In many, many cases it is quite

docs/markdown/Getting-meson.md

@@ -1,6 +1,6 @@
 # Getting Meson
 
-Meson is implemented in Python 3, and requires 3.7 or newer. If your
+Meson is implemented in Python 3, and requires 3.10 or newer. If your
 operating system provides a package manager, you should install it
 with that. For platforms that don't have a package manager, you need
 to download it from [Python's home page]. See below for
@@ -14,7 +14,7 @@ itself without doing anything special.
 
 On Windows, if you did not install Python with the installer options
 that make Python scripts executable, you will have to run `python
-/path/to/meson.py`, where `python` is Python 3.7 or newer.
+/path/to/meson.py`, where `python` is Python 3.10 or newer.
 
 The newest development code can be obtained directly from [Git], and
 we strive to ensure that it will always be working and usable. All

docs/markdown/Getting-meson_ptbr.md

@@ -1,6 +1,6 @@
 # Obtendo o Meson
 
-Meson é implementado em Python 3, e requer a versão 3.7 ou mais nova.
+Meson é implementado em Python 3, e requer a versão 3.10 ou mais nova.
 se o seu sistema operacional provê um gerenciador de pacotes, você deve
 instalar o Meson com ele. Para plataformas que não tem um gerenciador de
 pacotes, você precisa baixa-lo da [página inicial do Python]. Veja abaixo
@@ -14,7 +14,7 @@ do git sem fazer nada de especial.
 
 No Windows, se você não instalar o Python com a opção do instalador que fazem
 os *scripts* Python executáveis, você vai ter que executar `python
-/path/to/meson.py`, onde `python` é o Python 3.7 ou mais novo.
+/path/to/meson.py`, onde `python` é o Python 3.10 ou mais novo.
 
 O código de desenvolvimento mais recente pode ser obtido diretamente do [Git],
 e nós lutamos para garatir que ele vai estar sempre funcionando e usável. Todos

docs/markdown/Getting-meson_zh.md

@@ -1,6 +1,6 @@
 # 获取Meson
 
-Meson基于Python3运行，要求Python版本3.7以上。 如果你的操作系统提供包管理器, 你应该用包管理器安装python；如果没有包管理器，你应该在[Python主页]下载合适的Python3。相关请参阅[特殊平台的安装特例](#特殊平台的安装特例).
+Meson基于Python3运行，要求Python版本3.10以上。 如果你的操作系统提供包管理器, 你应该用包管理器安装python；如果没有包管理器，你应该在[Python主页]下载合适的Python3。相关请参阅[特殊平台的安装特例](#特殊平台的安装特例).
 
 ## 下载Meson
 

docs/yaml/builtins/build_machine.yaml

@@ -5,8 +5,8 @@ description: |
   See [Cross-compilation](Cross-compilation.md).
 
   Currently, these values are populated using
-  [`platform.system()`](https://docs.python.org/3.7/library/platform.html#platform.system) and
-  [`platform.machine()`](https://docs.python.org/3.7/library/platform.html#platform.machine).
+  [`platform.system()`](https://docs.python.org/3.10/library/platform.html#platform.system) and
+  [`platform.machine()`](https://docs.python.org/3.10/library/platform.html#platform.machine).
   If you think the returned values for any of these are incorrect for
   your system or CPU, or if your OS is not in the linked table, please
   [file a bug](https://github.com/mesonbuild/meson/issues/new) report

meson.py

@@ -7,8 +7,8 @@
 
 # Check python version before importing anything else, we might have an older
 # Python that would error on f-string syntax for example.
-if sys.version_info < (3, 7):
-    print('Meson works correctly only with python 3.7+.')
+if sys.version_info < (3, 10):
+    print('Meson works correctly only with python 3.10+.')
     print('You have python {}.'.format(sys.version))
     print('Please update your environment')
     sys.exit(1)

mesonbuild/mesondata.py

@@ -29,10 +29,8 @@ def write_to_private(self, env: 'Environment') -> Path:
             if isinstance(resource, Path):
                 return resource
         except AttributeError:
-            # fall through to python 3.7 compatible code
-            pass
-
-        out_file = Path(env.scratch_dir) / 'data' / self.path.name
-        out_file.parent.mkdir(exist_ok=True)
-        self.write_once(out_file)
-        return out_file
+            # fall through to zipapp compatible code
+            out_file = Path(env.scratch_dir) / 'data' / self.path.name
+            out_file.parent.mkdir(exist_ok=True)
+            self.write_once(out_file)
+            return out_file

mesonbuild/mesonmain.py

@@ -187,7 +187,7 @@ def run(self, args: T.List[str]) -> int:
         # support for old python. If this is already the oldest supported version, then
         # this can never be true and does nothing.
         pending_python_deprecation_notice = \
-            command in {'setup', 'compile', 'test', 'install'} and sys.version_info < (3, 7)
+            command in {'setup', 'compile', 'test', 'install'} and sys.version_info < (3, 10)
 
         try:
             return options.run_func(options)
@@ -198,8 +198,8 @@ def run(self, args: T.List[str]) -> int:
                 mlog.warning('Running the setup command as `meson [options]` instead of '
                              '`meson setup [options]` is ambiguous and deprecated.', fatal=False)
             if pending_python_deprecation_notice:
-                mlog.notice('You are using Python 3.6 which is EOL. Starting with v0.62.0, '
-                            'Meson will require Python 3.7 or newer', fatal=False)
+                mlog.notice(f'You are using Python 3.{sys.version_info.minor} which is EOL. Starting with v1.12.0, '
+                            'Meson will require Python 3.10 or newer', fatal=False)
             mlog.shutdown()
 
 def run_script_command(script_name: str, script_args: T.List[str]) -> int:

mesonbuild/minstall.py

@@ -165,7 +165,7 @@ def set_chown(path: str, user: T.Union[str, int, None] = None,
     if sys.version_info >= (3, 13):
         # pylint: disable=unexpected-keyword-arg
         # cannot handle sys.version_info, https://github.com/pylint-dev/pylint/issues/9622
-        shutil.chown(path, user, group, dir_fd=dir_fd, follow_symlinks=follow_symlinks)  # type: ignore[call-overload]
+        shutil.chown(path, user, group, dir_fd=dir_fd, follow_symlinks=follow_symlinks)
     else:
         real_os_chown = os.chown
 

mesonbuild/modules/pkgconfig.py

@@ -367,7 +367,7 @@ def _add_exclude(x: T.Union[str, build.CustomTarget, build.CustomTargetIndex, bu
         # pylance/pyright gets this right, but for mypy we have to ignore the
         # error
         @T.overload
-        def _fn(xs: T.List[str], libs: bool = False) -> T.List[str]: ...  # type: ignore
+        def _fn(xs: T.List[str], libs: bool = False) -> T.List[str]: ...
 
         @T.overload
         def _fn(xs: T.List[LIBS], libs: bool = False) -> T.List[LIBS]: ...

run_shell_checks.py

@@ -23,7 +23,6 @@
     'ci/ciimage/ubuntu-rolling/test.sh',
     'ci/ciimage/cuda-cross/install.sh',
     'ci/ciimage/cuda/install.sh',
-    'ci/ciimage/bionic/install.sh',
     'ci/ciimage/fedora/install.sh',
     'ci/ciimage/arch/install.sh',
     'ci/ciimage/gentoo/install.sh',

setup.cfg

@@ -25,19 +25,17 @@ classifiers =
   Operating System :: POSIX :: BSD
   Operating System :: POSIX :: Linux
   Programming Language :: Python :: 3 :: Only
-  Programming Language :: Python :: 3.7
-  Programming Language :: Python :: 3.8
-  Programming Language :: Python :: 3.9
   Programming Language :: Python :: 3.10
   Programming Language :: Python :: 3.11
   Programming Language :: Python :: 3.12
   Programming Language :: Python :: 3.13
+  Programming Language :: Python :: 3.14
   Topic :: Software Development :: Build Tools
 long_description = Meson is a cross-platform build system designed to be both as fast and as user friendly as possible. It supports many languages and compilers, including GCC, Clang, PGI, Intel, and Visual Studio. Its build definitions are written in a simple non-Turing complete DSL.
 
 [options]
 packages = find:
-python_requires = >= 3.7
+python_requires = >= 3.10
 
 [options.entry_points]
 console_scripts =

setup.py

@@ -5,9 +5,9 @@
 
 import os, sys
 
-if sys.version_info < (3, 7):
+if sys.version_info < (3, 10):
     raise SystemExit('ERROR: Tried to install Meson with an unsupported Python version: \n{}'
-                     '\nMeson requires Python 3.7.0 or greater'.format(sys.version))
+                     '\nMeson requires Python 3.10.0 or greater'.format(sys.version))
 
 from setuptools import setup
 

test cases/frameworks/16 sdl2/test.json

@@ -7,7 +7,7 @@
         { "val": "config-tool" },
         { "val": "sdlconfig" },
         { "val": "extraframework", "expect_skip_on_os": ["!darwin"], "expect_skip_on_jobname": ["macos"] },
-        { "val": "cmake", "expect_skip_on_jobname": ["bionic"] }
+        { "val": "cmake" }
       ]
     }
   },

test cases/frameworks/26 netcdf/test.json

@@ -1,3 +1,3 @@
 {
-  "expect_skip_on_jobname": ["azure", "bionic", "cygwin", "fedora", "macos", "msys2", "opensuse", "ubuntu"]
+  "expect_skip_on_jobname": ["azure", "cygwin", "fedora", "macos", "msys2", "opensuse", "ubuntu"]
 }

test cases/frameworks/30 scalapack/test.json

@@ -1,3 +1,3 @@
 {
-  "expect_skip_on_jobname": ["azure", "bionic", "cygwin", "fedora", "msys2", "opensuse"]
+  "expect_skip_on_jobname": ["azure", "cygwin", "fedora", "msys2", "opensuse"]
 }

test cases/frameworks/34 gir static lib/test.json

@@ -5,5 +5,5 @@
     {"type": "file", "platform": "cygwin", "file": "usr/lib/libgirlib.dll.a"},
     {"type": "file", "file": "usr/share/gir-1.0/Meson-1.0.gir"}
   ],
-  "expect_skip_on_jobname": ["azure", "bionic", "macos", "msys2"]
+  "expect_skip_on_jobname": ["azure", "macos", "msys2"]
 }

test cases/frameworks/40 qt qml/test.json

@@ -18,5 +18,5 @@
     {"type": "file", "file": "usr/qml/My/Module5/qmldir"},
     {"type": "file", "file": "usr/qml/My/Module5/My_Module5.qmltypes"}
   ],
-  "expect_skip_on_jobname": ["cygwin", "msys2", "azure", "bionic", "macos"]
+  "expect_skip_on_jobname": ["cygwin", "msys2", "azure", "macos"]
 }