# Split items and run function through n threads # func形如func(arg_list[0], ..., arg_list[n], items),run_through_threads 可以把items分为num份分配给num个线程运行 defrun_through_threads(func, arg_list, items, num=4): threads = [] item_len = len(items) for i in range(num): threads.append(threading.Thread(target=func, args=(*arg_list, items[int(i*item_len/num):int((i+1)*item_len/num)]))) for t in threads: t.setDaemon(True) t.start() for t in threads: t.join()
Collecting mysql-python Using cached MySQL-python-1.2.5.zip Complete output from command python setup.py egg_info: sh: 1: mysql_config: not found Traceback (most recent call last): File "<string>", line 1, in <module> File "/tmp/pip-build-_itbcX/mysql-python/setup.py", line 17, in <module> metadata, options = get_config() File "setup_posix.py", line 43, in get_config libs = mysql_config("libs_r") File "setup_posix.py", line 25, in mysql_config raise EnvironmentError("%s not found" % (mysql_config.path,)) EnvironmentError: mysql_config not found
---------------------------------------- Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-_itbcX/mysql-python/