Create new xdg moduletingping/xdg-module

Still a work in progress

3 files changed, 119 insertions, 0 deletions

diff --git a/mesonbuild/mesonmain.py b/mesonbuild/mesonmain.py
index 031486c..90fca48 100644
--- a/mesonbuild/mesonmain.py
+++ b/mesonbuild/mesonmain.py
@@ -225,6 +225,9 @@ def run_script_command(args):
     elif cmdname == 'gettext':
         import mesonbuild.scripts.gettext as abc
         cmdfunc = abc.run
+    elif cmdname == 'xdg':
+        import mesonbuild.scripts.xdghelper as abc
+        cmdfunc = abc.run
     elif cmdname == 'yelphelper':
         import mesonbuild.scripts.yelphelper as abc
         cmdfunc = abc.run
diff --git a/mesonbuild/modules/xdg.py b/mesonbuild/modules/xdg.py
new file mode 100644
index 0000000..beef33c
--- /dev/null
+++ b/mesonbuild/modules/xdg.py
@@ -0,0 +1,92 @@
+# Copyright 2016 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import sys
+from os import path
+from ..mesonlib import MesonException, File
+from ..build import Data, RunScript
+from . import ExtensionModule, ModuleReturnValue
+
+
+class XdgModule(ExtensionModule):
+
+    @staticmethod
+    def _create_post_install_script(state, command):
+        return RunScript([sys.executable, state.environment.get_build_command()],
+                         ['--internal', 'xdg'] + command)
+
+    @staticmethod
+    def _validate_args(func_name, args, kwargs, extensions=None):
+        if len(kwargs):
+            raise MesonException('{} does not take any keywords'.format(func_name))
+        if len(args) != 1:
+            raise MesonException('Must pass a single file to install')
+        if not isinstance(args[0], str):  # TODO: Handle other types
+            raise MesonException('Argument must be a string')
+        if extensions is not None:
+            _, ext = path.splitext(args[0])
+            if ext not in extensions:
+                raise MesonException('File extension ({}) is not valid: {}'.format(ext, extensions))
+
+    def install_desktop(self, state, args, kwargs):
+        self._validate_args('install_desktop', args, kwargs, extensions=('.desktop',))
+
+        desktop_file = File(False, state.subdir, args[0])
+        appdir = path.join(state.environment.get_datadir(), 'applications')
+        data = Data(desktop_file, appdir)
+
+        post_target = self._create_post_install_script(state, [
+            'update-desktop-database', '--quiet', appdir,
+        ])
+
+        return ModuleReturnValue([], [data, post_target])
+
+    def install_mime(self, state, args, kwargs):
+        self._validate_args('install_mime', args, kwargs, extensions=('.xml',))
+
+        mime_file = File(False, state.subdir, args[0])
+        mimedir = path.join(state.environment.get_datadir(), 'mime', 'packages')
+        data = Data(mime_file, mimedir)
+
+        post_target = self._create_post_install_script(state, [
+            'update-mime-database', mimedir,
+        ])
+
+        return ModuleReturnValue([], [data, post_target])
+
+    def install_appstream(self, state, args, kwargs):
+        self._validate_args('install_appstream', args, kwargs,
+                            extensions=('.metainfo.xml', '.appdata.xml'))
+
+        appdata_file = File(False, state.subdir, args[0])
+        appdata_dir = path.join(state.environment.get_datadir(), 'appdata')
+        data = Data(appdata_file, appdata_dir)
+
+        return ModuleReturnValue([], [data])
+
+#    def install_icons(self, state, args, kwargs):
+#        self._validate_args('install_icons', args, kwargs)
+#
+#        # TODO: Need to handle subdirectories of multiple icons and ensure they are valid
+#        icondir = path.join(state.environment.get_datadir(), 'icons', 'hicolor')
+#
+#        post_target = self._create_post_install_script(state, [
+#            'gtk-update-icon-cache', '--quiet', '--ignore-theme-index', icondir,
+#        ])
+#
+#        return ModuleReturnValue([], [, post_target])
+
+
+def initialize():
+    return XdgModule()
diff --git a/mesonbuild/scripts/xdghelper.py b/mesonbuild/scripts/xdghelper.py
new file mode 100644
index 0000000..d5e582f
--- /dev/null
+++ b/mesonbuild/scripts/xdghelper.py
@@ -0,0 +1,24 @@
+# Copyright 2016 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import subprocess
+from .. import mlog
+
+
+def run(args):
+    if 'DESTDIR' in os.environ:
+        mlog.log('DESTDIR is set, skipping install script')
+    else:
+        subprocess.call(args)