Commits on Jul 22, 2014

1. ENH: core: make unpickling with encoding='bytes' work …

   Make dtype.__setstate__ accept endian either as a byte string or unicode.
   
   Also fix a missing error return introduced in c355157, apparently
   mistake.

   

   pv committed Jul 22, 2014
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2. BUG: core: ensure unpickled dtype fields and names have correct types… …

   … + coerce on Py3
   
   That 'names' is a tuple and 'fields' a dict (when present) is assumed in
   most of the code base, so check them during unpickling.
   
   Also add coercion from bytes using ASCII codec on Python 3.  This is
   never triggered in the "usual" case of loading Py3-generated pickles on
   Py3, but can occur if loading Py2 generated pickles with
   pickle.load(f, encoding='bytes'), which sometimes is the only working
   option.
   
   The ASCII codec is probably the safest choice and likely covers most use
   cases.

   

   pv committed Jul 22, 2014
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