Hi all,
I've continued playing about with mocking raw_input in doctests in
light of Kent's reply.
I've hit an odd thing---if my substitute for raw_input returns '', I
get an EOFError. The code below shows the problem. It arises equally
if myrawalt is used in the doctest in place of myraw, so I am sure the
problem has nothing to do with the use of iter. I can work around the
problem in my actual target code---that code, like the toy code below,
calls strip() on the results of raw_input, so I can get away with
having my raw_input substitute return ' ' in place of ''. But, I
cannot figure out why the EOFError comes up. Any thoughts?
Thanks and best,
Brian vdB
class myraw(object):
def __init__(self, values):
self.stream = iter(values)
def readline(self):
return str(self.stream.next())
class myrawalt(object):
def __init__(self, values):
self.values = values
self.count = 0
def readline(self):
data = str(self.values[self.count])
self.count += 1
return data
def double_input():
""">>> import sys
>>> sys.stdin = myraw([21,3.1415])
>>> double_input(); double_input() # doctest: +ELLIPSIS
42
6.28300...
>>> sys.stdin = myraw([' ',])
>>> double_input()
0
>>> sys.stdin = myraw(['',])
>>> double_input() # Failing test
0
"""
val = raw_input().strip() or 0
val = float(val) * 2
val = [val, int(val)][val == int(val)]
return val
def __test():
import doctest
doctest.testmod()
if __name__ == "__main__":
__test()
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