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Issue 2909: show how to name unpacked fields.

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Raymond Hettinger 2008-05-23 17:21:44 +00:00
parent 27e4a179f2
commit f6901e909f
1 changed files with 10 additions and 0 deletions
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Doc/library/struct.rst
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@ -233,6 +233,16 @@ end, assuming longs are aligned on 4-byte boundaries. This only works when
native size and alignment are in effect; standard size and alignment does not
enforce any alignment.
Unpacked fields can be named by assigning them to variables or by wrapping
the result in a named tuple::
>>> record = 'raymond \x32\x12\x08\x01\x08'
>>> name, serialnum, school, gradelevel = unpack('<10sHHb', record)
>>> from collections import namedtuple
>>> Student = namedtuple('Student', 'name serialnum school gradelevel')
>>> Student._make(unpack('<10sHHb', s))
Student(name='raymond ', serialnum=4658, school=264, gradelevel=8)
.. seealso::