Install python sources using meson build

- Setup meson to install python sources
  during python and meson builds
- Install executable binary using meson
  and avoid using python builds for now
- Remove unnecessary python packaging files

MANIFEST.in

@@ -1,4 +1,5 @@
 include debian/changelog
 global-exclude *.py[cod]
 graft data*
+include src/leaptime-manager.in
 graft src/LeapTimeManager/ui*

meson.build

@@ -15,6 +15,8 @@ prefix = get_option('prefix')
 bindir = get_option('bindir')
 datadir = get_option('datadir')
 
+subdir('src')
+
 gnome.post_install(
      glib_compile_schemas: true,
     gtk_update_icon_cache: true,

src/LeaptimeManager/VERSION.in

@@ -0,0 +1 @@
+@version@

src/LeaptimeManager/meson.build

@@ -0,0 +1,34 @@
+python_sources = [
+  'about_window.py',
+	'appBackup.py',
+	'common.py',
+	'dataBackup.py',
+	'database_rw.py',
+	'dialogs.py',
+	'gui.py',
+	'__init__.py',
+	'logger.py',
+	'main.py',
+]
+
+version_file = configure_file(
+  input: 'VERSION.in',
+  output: 'VERSION',
+  configuration: {
+    'version': meson.project_version(),
+  }
+)
+
+python.install_sources(
+  python_sources, version_file,
+  subdir: 'LeaptimeManager',
+  preserve_path: true,
+)
+
+# Install assets like ui and icons
+ui = files('ui/app_backup.ui', 'ui/logger.ui', 'ui/MainWindow.ui', 'ui/user_data.ui')
+
+install_data(
+  ui,
+  install_dir: join_paths(pysrcinstalldir, 'LeaptimeManager', 'ui')
+)

src/leaptime-manager.in

@@ -0,0 +1,11 @@
+#!@PYTHON@
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+sys.path.insert(1, '@pkgdatadir@')
+
+from LeaptimeManager.main import start_LTMCli
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(start_LTMCli())

src/meson.build

@@ -0,0 +1,17 @@
+pysrcinstalldir = python.get_install_dir() # python.get_path('platlib')
+message(f'Python dir: @pysrcinstalldir@')
+
+conf = configuration_data()
+conf.set('PYTHON', python.full_path())
+conf.set('pkgdatadir', pysrcinstalldir)
+
+configure_file(
+  input: 'leaptime-manager.in',
+  output: 'leaptime-manager',
+  configuration: conf,
+  install: true,
+  install_dir: bindir,
+  install_mode: 'rwxr-xr-x'
+)
+
+subdir('LeaptimeManager')