[NumPy-Tickets] [NumPy] #2136: PyArray_Diagonal view transition for 1.8

[NumPy Trac]

#2136: PyArray_Diagonal view transition for 1.8
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 Reporter:  njs     |       Owner:  somebody
     Type:  defect  |      Status:  new     
 Priority:  normal  |   Milestone:  1.8.0   
Component:  Other   |     Version:  1.6.1   
 Keywords:          |  
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 Starting in 1.8, PyArray_Diagonal is supposed to start returning a non-
 writeable view.

 To do:

 * Make the (trivial) change at the bottom of PyArray_Diagonal
 * Update the numpy.diagonal documentation
 * Make a note in the release notes
 * Optionally, remove NPY_ARRAY_WARN_ON_WRITE flag. If so, see the below
 pull request to find the code to change. Even if we decide to keep it
 around for a rainy day, the message in array_might_be_written should have
 the references to diagonals removed.

 Reference: https://github.com/numpy/numpy/pull/280

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Ticket URL: <http://projects.scipy.org/numpy/ticket/2136>
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