Drop Python < 3.10 support

README.md

@@ -12,7 +12,7 @@ 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:

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/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 @@ import sys
 
 # 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

@@ -6,7 +6,6 @@ from __future__ import annotations
 
 import importlib.resources
 from pathlib import PurePosixPath, Path
-import sys
 import typing as T
 
 if T.TYPE_CHECKING:
@@ -25,16 +24,15 @@ class DataFile:
             path.write_text(data, encoding='utf-8')
 
     def write_to_private(self, env: 'Environment') -> Path:
-        if sys.version_info >= (3, 9):
-            try:
-                # The issue that mypy/pyright see here is caused by a bug in typeshed:
-                # https://github.com/python/typeshed/pull/15108
-                resource = importlib.resources.files('mesonbuild') / self.path  # type: ignore[operator]
-                if isinstance(resource, Path):
-                    return resource
-            except AttributeError:
-                # fall through to python 3.7 compatible code
-                pass
+        try:
+            # The issue that mypy/pyright see here is caused by a bug in typeshed:
+            # https://github.com/python/typeshed/pull/15108
+            resource = importlib.resources.files('mesonbuild') / self.path  # type: ignore[operator]
+            if isinstance(resource, Path):
+                return resource
+        except AttributeError:
+            # fall through to zipapp compatible code
+            pass
 
         out_file = Path(env.scratch_dir) / 'data' / self.path.name
         out_file.parent.mkdir(exist_ok=True)

mesonbuild/minstall.py

@@ -39,7 +39,7 @@ if T.TYPE_CHECKING:
     try:
         from typing import Protocol
     except AttributeError:
-        from typing_extensions import Protocol  # type: ignore
+        from typing_extensions import Protocol
 
     class ArgumentType(Protocol):
         """Typing information for the object returned by argparse."""
@@ -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

@@ -374,7 +374,7 @@ class DependenciesHelper:
         # 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_mypy.py

@@ -157,7 +157,7 @@ def main() -> int:
         print('Running mypy (this can take some time) ...')
 
     if opts.allver:
-        versions = ['default'] + [f'3.{minor}' for minor in range(7, sys.version_info[1])]
+        versions = ['default'] + [f'3.{minor}' for minor in range(10, sys.version_info[1])]
     else:
         versions = ['default']
 

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