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"""
Compatibility functions for Python 1.5 to 2.5.
any() function
==============
any() returns True if at least one items is True, or False otherwise.
>>> any([False, True])
True
>>> any([True, True])
True
>>> any([False, False])
False
all() function
==============
all() returns True if all items are True, or False otherwise.
This function is just apply binary and operator (&) on all values.
>>> all([True, True])
True
>>> all([False, True])
False
>>> all([False, False])
False
"""
import operator
# --- any() from Python 2.5 ---
try:
from __builtin__ import any
except ImportError:
def any(items):
for item in items:
if item:
return True
return False
# ---all() from Python 2.5 ---
try:
from __builtin__ import all
except ImportError:
def all(items):
return reduce(operator.__and__, items)
|
