On Sat, 26 Apr 2008, Bill Baxter apparently wrote:
> Any change to the behavior of x[0] for matrices is going to break a lot of
> code.
OK, how about a warning then?
E.g., see attached patch.
Cheers,
Alan
--- defmatrix.old Sat Apr 26 09:34:11 2008
+++ defmatrix.py Sat Apr 26 09:37:13 2008
@@ -1,6 +1,7 @@
__all__ = ['matrix', 'bmat', 'mat', 'asmatrix']
import sys
+import warnings
import numeric as N
from numeric import concatenate, isscalar, binary_repr
@@ -119,6 +120,9 @@
return
def __getitem__(self, index):
+ if isscalar(index):
+ warnings.warn("scalar indexing of matrices is deprecated, use
x[i,:] instead",
+ DeprecationWarning, stacklevel=2)
self._getitem = True
try:
out = N.ndarray.__getitem__(self, index)
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