mapper.py
41 lines
| 1.4 KiB
| text/x-python
|
PythonLexer
|
r1346 | # encoding: utf-8 | |
"""A parallelized version of Python's builtin map.""" | |||
__docformat__ = "restructuredtext en" | |||
#------------------------------------------------------------------------------- | |||
# Copyright (C) 2008 The IPython Development Team | |||
# | |||
# Distributed under the terms of the BSD License. The full license is in | |||
# the file COPYING, distributed as part of this software. | |||
#------------------------------------------------------------------------------- | |||
#------------------------------------------------------------------------------- | |||
# Imports | |||
#------------------------------------------------------------------------------- | |||
from types import FunctionType | |||
from zope.interface import Interface, implements | |||
class IMapper(Interface): | |||
def __call__(func, *sequences): | |||
"""Do map in parallel.""" | |||
class Mapper(object): | |||
implements(IMapper) | |||
def __init__(self, multiengine, dist='b', targets='all', block=True): | |||
self.multiengine = multiengine | |||
self.dist = dist | |||
self.targets = targets | |||
self.block = block | |||
def __call__(self, func, *sequences): | |||
return self.map(func, *sequences) | |||
def map(self, func, *sequences): | |||
assert isinstance(func, (str, FunctionType)), "func must be a fuction or str" | |||
return self.multiengine._map(func, sequences, dist=self.dist, | |||
targets=self.targets, block=self.block) |