Merge branch 'alatiera/python3' into 'master'

build: Use python3 for the post install script

See merge request GNOME/gtk!608

build-aux/meson/post-install.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import os
 import sys
@@ -7,8 +7,8 @@ import subprocess
 if 'DESTDIR' not in os.environ:
     gtk_api_version = sys.argv[1]
     gtk_abi_version = sys.argv[2]
-    gtk_libdir = sys.argv[3].replace('/', os.sep)
-    gtk_datadir = sys.argv[4].replace('/', os.sep)
+    gtk_libdir = sys.argv[3]
+    gtk_datadir = sys.argv[4]
 
     gtk_moduledir = os.path.join(gtk_libdir, 'gtk-' + gtk_api_version, gtk_abi_version)
     gtk_printmodule_dir = os.path.join(gtk_moduledir, 'printbackends')
@@ -23,11 +23,9 @@ if 'DESTDIR' not in os.environ:
                     os.path.join(gtk_datadir, 'icons', 'hicolor')])
 
     print('Updating module cache for print backends...')
-    if not os.path.isdir(gtk_printmodule_dir):
-        os.mkdir(gtk_printmodule_dir)
+    os.makedirs(gtk_printmodule_dir, exist_ok=True)
     subprocess.call(['gio-querymodules', gtk_printmodule_dir])
 
     print('Updating module cache for input methods...')
-    if not os.path.isdir(gtk_immodule_dir):
-        os.mkdir(gtk_immodule_dir)
+    os.makedirs(gtk_immodule_dir, exist_ok=True)
     subprocess.call(['gio-querymodules', gtk_immodule_dir])