Add class retrieve metadata from importlib

Signed-off-by: Björn Bidar <bjorn.bidar@thaodan.de>

README.md

@@ -46,6 +46,7 @@ The `waypaper` package is available thanks to Basil Keeler.
 
 - `swww` or `swaybg` or `feh` or `wallutils`
 - gobject python library (it might be called `python-gobject` or `python3-gi` or `python3-gobject` in your package manager.)
+- `python-importlib_metadata`
 
 ## Usage
 

setup.py

@@ -22,7 +22,7 @@ setuptools.setup(
             "waypaper = waypaper.__main__:run"
         ]
     },
-    install_requires=["PyGObject"],
+    install_requires=["PyGObject", "importlib_metadata"],
     version=version,
     python_requires='>3.9',
     classifiers=[

waypaper/aboutdata.py

@@ -0,0 +1,19 @@
+"""Module to store acces application metadata"""
+from importlib_metadata import metadata
+
+class AboutData():
+    """This class stores application about data in a central place"""
+    def __init__(self):
+        self.__app_metadata = metadata(__package__)
+    def applicationName(self):
+        return self.__app_metadata['Name']
+    def applicationSummary(self):
+        return self.__app_metadata['Summary']
+    def applicationLogo(self):
+        return str(self.__app_metadata['Name'])+".svg"
+    def applicationVersion(self):
+        return self.__app_metadata['Version'] # pylint: disable=no-member
+    def homePage(self):
+        return self.__app_metadata['Home-page']
+    def Author(self):
+        return self.__app_metadata['Author']