[vte] build: Check for python version

[Christian Persch <chpe src gnome org>]

commit 7fb4e9a75d9a521079a55c976ad4d115cd7b03e4
Author: Christian Persch <chpe src gnome org>
Date:   Tue Jun 21 23:18:55 2022 +0200

    build: Check for python version

 meson.build | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/meson.build b/meson.build
index 33e3a5fe..51876240 100644
--- a/meson.build
+++ b/meson.build
@@ -33,6 +33,7 @@ c_req_std                 = 'gnu11'
 cxx_req_std               = 'gnu++20'
 gxx_req_version           = '10.0'
 clangxx_req_version       = '11.0'
+py_req_version            = '3.7'
 
 # Version requirements
 
@@ -110,6 +111,7 @@ enable_debug = get_option('debugg') or get_option('debug') or get_option('buildt
 
 gnome = import('gnome')
 pkg = import('pkgconfig')
+py = import('python')
 
 # Compilers
 
@@ -159,6 +161,15 @@ if cxx.get_id() == 'clang'
   assert(cxx.version().version_compare('>=' + clangxx_req_version), 'needs clang++ >= ' + 
clangxx_req_version + ' for ' + cxx_req_std + ' support')
 endif
 
+# Python interpreter
+
+py_req_modules = [
+  'dataclasses',
+]
+
+python = py.find_installation(modules: py_req_modules)
+assert(python.language_version().version_compare('>=' + py_req_version), 'needs python3 >= ' + 
py_req_version)
+
 # Include directories
 
 top_inc = include_directories('.')