meson: support building python

meson.build

@@ -1,4 +1,4 @@
-project('opendht', 'c', 'cpp',
+project('opendht', 'c', 'cpp', 'cython',
     version: '3.1.8',
     default_options: [
         'cpp_std=c++17',
@@ -98,6 +98,20 @@ if get_option('c').enabled()
     endif
 endif
 
+if get_option('python').require(get_option('indexation').enabled(), error_message: 'python requires indexation').allowed()
+    py = import('python').find_installation()
+    dep_py = py.dependency()
+    py.extension_module(
+        'opendht',
+        'python/opendht.pyx',
+        include_directories : opendht_interface_inc,
+        override_options : ['cython_language=cpp'],
+        link_with : [opendht],
+        dependencies : [msgpack, fmt, dep_py],
+        install : true
+    )
+endif
+
 if get_option('tools').enabled()
     dhtnode = executable('dhtnode', 'tools/dhtnode.cpp',
         include_directories : opendht_interface_inc,

meson.options

@@ -4,3 +4,4 @@ option('peer_discovery', type : 'feature', value : 'enabled')
 option('tools', type : 'feature', value : 'enabled')
 option('c', type : 'feature', value : 'enabled')
 option('indexation', type : 'feature', value : 'enabled')
+option('python', type : 'feature', value : 'enabled')