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Sink Exceptions to Nothing values #12

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Sink Exceptions to Nothing values #12

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5 changes: 4 additions & 1 deletion pymaybe/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,10 @@ def __init__(self, value):
self.__value = value

def __call__(self, *args, **kwargs):
return maybe(self.__value(*args, **kwargs))
try:
return maybe(self.__value(*args, **kwargs))
except Exception:
return Nothing()

# region Comparison
def __cmp__(self, other):
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7 changes: 7 additions & 0 deletions tests/test_pymaybe.py
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Expand Up @@ -367,6 +367,13 @@ def test_something_forwardsMethodCalls_handlesNonExisting(self):
result = maybe('VALUE').lowerr()
assert result.is_none()

def test_something_forwardsMethodCalls_handlesException(self):
class Thrower():
def throw(self):
raise Exception()
result = maybe(Thrower()).throw()
assert result.is_none()

def test_nothing_forwardsMethodCalls_handlesNonExisting(self):
result = maybe(None).invalid().call()
assert result.is_none()
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