fix #234 : implemented support for np.__array_ufunc__

merged ufuncs.py content into npufuncs.py

Author: alixdamman

doc/source/changes/version_0_32.rst.inc

@@ -49,7 +49,7 @@ New features
 Miscellaneous improvements
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-* improved something.
+* made it possible to pass LArray objects to Numpy ufuncs directly (e.g. np.sqrt(ndtest(3)), closes :issue:`234`).
 
 
 Fixes

larray/__init__.py

@@ -12,8 +12,8 @@
 from larray.core.session import Session, local_arrays, global_arrays, arrays
 from larray.core.constants import nan, inf, pi, e, euler_gamma
 from larray.core.metadata import Metadata
-from larray.core.ufuncs import wrap_elementwise_array_func, maximum, minimum, where
-from larray.core.npufuncs import (sin, cos, tan, arcsin, arccos, arctan, hypot, arctan2, degrees,
+from larray.core.npufuncs import (wrap_elementwise_array_func, maximum, minimum, where,
+                                  sin, cos, tan, arcsin, arccos, arctan, hypot, arctan2, degrees,
                                   radians, unwrap, sinh, cosh, tanh, arcsinh, arccosh, arctanh,
                                   angle, real, imag, conj,
                                   round, around, round_, rint, fix, floor, ceil, trunc,

larray/core/array.py

@@ -57,6 +57,7 @@
 from larray.core.constants import nan
 from larray.core.metadata import Metadata
 from larray.core.expr import ExprNode
+from larray.core.npufuncs import SupportsNumpyUfuncs
 from larray.core.group import (Group, IGroup, LGroup, remove_nested_groups, _to_key, _to_keys,
                                _translate_sheet_name, _translate_group_key_hdf)
 from larray.core.axis import Axis, AxisReference, AxisCollection, X, _make_axis
@@ -700,7 +701,7 @@ def _handle_meta(meta, title):
     return Metadata(meta)
 
 
-class LArray(ABCLArray):
+class LArray(ABCLArray, SupportsNumpyUfuncs):
     r"""
     A LArray object represents a multidimensional, homogeneous array of fixed-size items with labeled axes.