Add class matrix.py (wip)

src/matrix.py

@@ -1,2 +1,35 @@
+import numpy
+
+
 class Matrix:
-    
+    __data__ = []
+    __shape__ = ()
+
+    def __init__(self, data=None, shape=None, structure=None, model=None, size=None):
+        if isinstance(data, numpy.ndarray):
+            try:
+                data.shape[1]
+            except IndexError:
+                self.__shape__ = (data.shape[0], 1)
+            else:
+                self.__shape__ = data.shape
+            self.__data__ = data.tolist()
+        elif isinstance(data, list) and isinstance(shape, tuple):
+            self.__shape__ = shape
+            self.__data__ = numpy.array(data).reshape(shape).tolist()
+        elif isinstance(data, list) and isinstance(structure, str) and isinstance(size, int):
+            ...
+        elif isinstance(model, str) and isinstance(size, int):
+            ...
+        else:
+            raise ValueError("Only following signatures are allowed: "
+                             "(numpy.ndarray), (list, tuple), (list, str, int), (str, int)")
+
+    def get_data(self):
+        return self.__data__
+
+    def shape(self):
+        return self.__shape__
+
+    def __eq__(self, other):
+        return self.__data__ == other.__data__