Implement tobytes() method in dpnp.ndarray

Author: antonwolfy

dpnp/dpnp_array.py

@@ -2012,7 +2012,42 @@ def to_device(self, device, /, *, stream=None):
         usm_res = self._array_obj.to_device(device, stream=stream)
         return dpnp_array._create_from_usm_ndarray(usm_res)
 
-    # 'tobytes',
+    def tobytes(self, order="C"):
+        r"""
+        Constructs Python bytes containing the raw data bytes in the array.
+
+        For full documentation refer to :obj:`numpy.ndarray.tobytes`.
+
+        Parameters
+        ----------
+        order : {None, "C", "F", "A", "K"}, optional
+            Controls the memory layout of the bytes object.
+
+            Default: ``"C"``.
+
+        Returns
+        -------
+        out : bytes
+            Python bytes exhibiting a copy of array's raw data.
+
+        See Also
+        --------
+        :obj:`dpnp.frombuffer` : Construct a 1D array from Python bytes.
+
+        Examples
+        --------
+        >>> import dpnp as np
+        >>> x = np.array([[0, 1], [2, 3]], dtype='i2')
+        >>> x.tobytes()
+        b'\x00\x00\x01\x00\x02\x00\x03\x00'
+        >>> x.tobytes("C") == x.tobytes()
+        True
+        >>> x.tobytes("F")
+        b'\x00\x00\x02\x00\x01\x00\x03\x00'
+
+        """
+
+        return self.asnumpy().tobytes(order=order)
 
     def tofile(self, fid, sep="", format=""):
         """

dpnp/dpnp_iface_arraycreation.py

@@ -1705,6 +1705,8 @@ def frombuffer(
     :obj:`dpnp.fromfile` : Construct array from data in a text or binary file.
     :obj:`dpnp.fromiter` : Construct array from an iterable object.
     :obj:`dpnp.fromstring` : Construct array from the text data in a string.
+    :obj:`ndarray.tobytes` : Construct Python bytes from the raw data bytes
+        in the array.
 
     Examples
     --------

dpnp/dpnp_iface_bitwise.py

@@ -111,7 +111,7 @@ def binary_repr(num, width=None):
 
     Examples
     --------
-    >>> import numpy as np
+    >>> import dpnp as np
     >>> np.binary_repr(3)
     '11'
     >>> np.binary_repr(-3)

dpnp/dpnp_iface_indexing.py

@@ -396,7 +396,7 @@ def compress(condition, a, axis=None, out=None):
 
     Examples
     --------
-    >>> import numpy as np
+    >>> import dpnp as np
     >>> a = np.array([[1, 2], [3, 4], [5, 6]])
     >>> a
     array([[1, 2],