Author: Brian Kearns <bdkea...@gmail.com>
Branch:
Changeset: r69905:713f1b94343d
Date: 2014-03-12 14:32 -0400
http://bitbucket.org/pypy/pypy/changeset/713f1b94343d/
Log: add hex/oct ops for ndarrays
diff --git a/pypy/module/micronumpy/ndarray.py
b/pypy/module/micronumpy/ndarray.py
--- a/pypy/module/micronumpy/ndarray.py
+++ b/pypy/module/micronumpy/ndarray.py
@@ -1045,6 +1045,26 @@
value = self.get_scalar_value()
return space.float(value)
+ def descr_hex(self, space):
+ if self.get_size() != 1:
+ raise oefmt(space.w_TypeError,
+ "only length-1 arrays can be converted to Python
scalars")
+ if not self.get_dtype().is_int():
+ raise oefmt(space.w_TypeError,
+ "don't know how to convert scalar number to hex")
+ value = self.get_scalar_value()
+ return space.hex(value)
+
+ def descr_oct(self, space):
+ if self.get_size() != 1:
+ raise oefmt(space.w_TypeError,
+ "only length-1 arrays can be converted to Python
scalars")
+ if not self.get_dtype().is_int():
+ raise oefmt(space.w_TypeError,
+ "don't know how to convert scalar number to oct")
+ value = self.get_scalar_value()
+ return space.oct(value)
+
def descr_index(self, space):
if self.get_size() != 1 or \
not self.get_dtype().is_int() or self.get_dtype().is_bool():
@@ -1237,6 +1257,8 @@
__int__ = interp2app(W_NDimArray.descr_int),
__long__ = interp2app(W_NDimArray.descr_long),
__float__ = interp2app(W_NDimArray.descr_float),
+ __hex__ = interp2app(W_NDimArray.descr_hex),
+ __oct__ = interp2app(W_NDimArray.descr_oct),
__buffer__ = interp2app(W_NDimArray.descr_get_data),
__index__ = interp2app(W_NDimArray.descr_index),
diff --git a/pypy/module/micronumpy/test/test_ndarray.py
b/pypy/module/micronumpy/test/test_ndarray.py
--- a/pypy/module/micronumpy/test/test_ndarray.py
+++ b/pypy/module/micronumpy/test/test_ndarray.py
@@ -2276,6 +2276,30 @@
exc = raises(TypeError, "float(np.array([1.5, 2.5]))")
assert exc.value[0] == 'only length-1 arrays can be converted to
Python scalars'
+ def test__hex__(self):
+ import numpy as np
+ assert hex(np.array(True)) == '0x1'
+ assert hex(np.array(15)) == '0xf'
+ assert hex(np.array([15])) == '0xf'
+ exc = raises(TypeError, "hex(np.array(1.5))")
+ assert str(exc.value) == "don't know how to convert scalar number to
hex"
+ exc = raises(TypeError, "hex(np.array('15'))")
+ assert str(exc.value) == "don't know how to convert scalar number to
hex"
+ exc = raises(TypeError, "hex(np.array([1, 2]))")
+ assert str(exc.value) == "only length-1 arrays can be converted to
Python scalars"
+
+ def test__oct__(self):
+ import numpy as np
+ assert oct(np.array(True)) == '01'
+ assert oct(np.array(15)) == '017'
+ assert oct(np.array([15])) == '017'
+ exc = raises(TypeError, "oct(np.array(1.5))")
+ assert str(exc.value) == "don't know how to convert scalar number to
oct"
+ exc = raises(TypeError, "oct(np.array('15'))")
+ assert str(exc.value) == "don't know how to convert scalar number to
oct"
+ exc = raises(TypeError, "oct(np.array([1, 2]))")
+ assert str(exc.value) == "only length-1 arrays can be converted to
Python scalars"
+
def test__reduce__(self):
from numpypy import array, dtype
from cPickle import loads, dumps
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