alenaPy · nikiforov-alex · Feb 8, 2019 · Feb 16, 2019
diff --git a/core.py b/core.py
@@ -0,0 +1,57 @@
+"""Create metaclass for work with property."""
+
+
+class MyMetaClass(type):
+    """Metaclass which make properties of methods with a specific format."""
+
+    def __new__(mcs, name, bases, classdict):
+        """Magic method wherein properties are created."""
+        property_keys = ('get_', 'set_', 'del_')
+        property_args = ('fget', 'fset', 'fdel')
+        attrs = set(key[4:] for key, item in classdict.items()
+                    if key.startswith(property_keys))
+        for attr in attrs:
+            property_kwargs = {}
+            for key, arg in zip(property_keys, property_args):
+                new_key = key + attr
+                property_kwargs[arg] = classdict.get(new_key)
+            new_attr = property(**property_kwargs)
+            classdict[attr] = new_attr
+        return type.__new__(mcs, name, bases, classdict)
+
+
+class Example(metaclass=MyMetaClass):
+    """Class-example which demonstrates work with metaclass."""
+
+    def __init__(self):
+        """Initialize class-example."""
+        self._x = None
+
+    def get_x(self):
+        """Get 'x'."""
+        return self._x
+
+    def set_x(self, value):
+        """Set 'x'."""
+        self._x = value
+
+    def get_y(self):
+        """Get 'y'."""
+        return 'y'
+
+    def del_x(self):
+        """Delete 'x'."""
+        print('DEL x')
+
+
+def main():
+    """Run main function."""
+    ex = Example()
+    ex.x = 255
+    print(ex.x)
+    del ex.x
+    print(ex.y)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/setup.py b/setup.py
@@ -0,0 +1,14 @@
+"""Setup file which make distribution."""
+
+from setuptools import find_packages
+from setuptools import setup
+
+setup(
+    name='meta',
+    version='0.0.1',
+    packages=find_packages(),
+    entry_points={
+        'console_scripts':
+            ['meta = core:main']
+    },
+)