如何将多个参数传递给通过 pool.map 调用的函数?
我的代码:
import gevent
from gevent.pool import Pool
def process(param1, param2):
return "dosomething"
pool = Pool(10)
jobs = [('arg1a', 'arg1b'), ('arg2a', 'arg2b')]
# should pass arguments so that it results in these calls
# process(param1=arg1a, param2=arg1b)
# process(param1=arg2a, param2=arg2b)
results = pool.map(process, jobs) # does not work
最佳答案
看起来gevent.Pool.map
方法只允许将单个项目作为参数传递给您提供的函数。但是,您可以编写该函数以非常轻松地解压其参数:
def process(params):
param1, param2 = params
...
或者您可以在调用 pool.map
时使用 lambda 表达式处理参数解包:
results = pool.map(lambda args: process(*args), jobs)
关于Python gevent : pass multiple arguments to function called via pool. map ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13490346/