def either(self, default_key, *values):
"""Fallback to the value of a configuration key if none of the
`*values` are true."""
return first(None, [
first(None, values),
starpromise(self.conf.get, default_key),
])
def either(self, default_key, *defaults):
"""Get key from configuration or use default values.
Fallback to the value of a configuration key if none of the
`*values` are true.
"""
return first(None, [
first(None, defaults), starpromise(self.conf.get, default_key),
])
def either(self, default_key, *defaults):
"""Get key from configuration or use default values.
Fallback to the value of a configuration key if none of the
`*values` are true.
"""
return first(None, [
first(None, defaults), starpromise(self.conf.get, default_key),
])
def test_first():
iterations = [0]
def predicate(value):
iterations[0] += 1
if value == 5:
return True
return False
assert first(predicate, range(10)) == 5
assert iterations[0] == 6
iterations[0] = 0
assert first(predicate, range(10, 20)) is None
assert iterations[0] == 10
def test_first(self):
iterations = [0]
def predicate(value):
iterations[0] += 1
if value == 5:
return True
return False
self.assertEqual(5, first(predicate, range(10)))
self.assertEqual(iterations[0], 6)
iterations[0] = 0
self.assertIsNone(first(predicate, range(10, 20)))
self.assertEqual(iterations[0], 10)
def test_first(self):
iterations = [0]
def predicate(value):
iterations[0] += 1
if value == 5:
return True
return False
self.assertEqual(5, first(predicate, range(10)))
self.assertEqual(iterations[0], 6)
iterations[0] = 0
self.assertIsNone(first(predicate, range(10, 20)))
self.assertEqual(iterations[0], 10)
def first(self, *keys):
return first(None, (self.get(key) for key in keys))
def either(self, default_key, *values):
"""Fallback to the value of a configuration key if none of the
`*values` are true."""
return first(None, values) or self.conf.get(default_key)
def either(self, default_key, *values):
"""Fallback to the value of a configuration key if none of the
`*values` are true."""
return first(None, values) or self.conf.get(default_key)
def either(self, default_key, *values):
"""Fallback to the value of a configuration key if none of the
`*values` are true."""
return first(None, [
first(None, values), starpromise(self.conf.get, default_key),
])
def autodetect_env(self, apply=methodcaller('autodetect')):
# type: (Callable) -> Any
return first(apply, map(symbol_by_name, self.environments))()
def first(self, *keys):
# type: (*str) -> Any
return first(None, (self.get(key) for key in keys))
def autodetect_env(self, apply=methodcaller('autodetect')):
return first(apply, map(symbol_by_name, self.environments))()
def autodetect_env(self, apply=methodcaller('autodetect')):
# type: (Callable) -> Any
return first(apply, list(map(symbol_by_name, self.environments)))()
