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Module: parallel.util

some generic utilities for dealing with classes, urls, and serialization

Authors:

  • Min RK

2 Classes

class IPython.parallel.util.Namespace

Bases: dict

Subclass of dict for attribute access to keys.

class IPython.parallel.util.ReverseDict(*args, **kwargs)

Bases: dict

simple double-keyed subset of dict methods.

__init__(*args, **kwargs)

16 Functions

IPython.parallel.util.log_errors(f)

decorator to log unhandled exceptions raised in a method.

For use wrapping on_recv callbacks, so that exceptions do not cause the stream to be closed.

IPython.parallel.util.is_url(url)

boolean check for whether a string is a zmq url

IPython.parallel.util.validate_url(url)

validate a url for zeromq

IPython.parallel.util.validate_url_container(container)

validate a potentially nested collection of urls.

IPython.parallel.util.split_url(url)

split a zmq url (tcp://ip:port) into (‘tcp’,’ip’,’port’).

IPython.parallel.util.disambiguate_ip_address(ip, location=None)

turn multi-ip interfaces ‘0.0.0.0’ and ‘*’ into connectable ones, based on the location (default interpretation of location is localhost).

IPython.parallel.util.disambiguate_url(url, location=None)

turn multi-ip interfaces ‘0.0.0.0’ and ‘*’ into connectable ones, based on the location (default interpretation is localhost).

This is for zeromq urls, such as tcp://*:10101.

IPython.parallel.util.interactive(f)

decorator for making functions appear as interactively defined. This results in the function being linked to the user_ns as globals() instead of the module globals().

IPython.parallel.util.select_random_ports(n)

Selects and return n random ports that are available.

IPython.parallel.util.signal_children(children)

Relay interupt/term signals to children, for more solid process cleanup.

IPython.parallel.util.generate_exec_key(keyfile)
IPython.parallel.util.integer_loglevel(loglevel)
IPython.parallel.util.connect_logger(logname, context, iface, root='ip', loglevel=10)
IPython.parallel.util.connect_engine_logger(context, iface, engine, loglevel=10)
IPython.parallel.util.local_logger(logname, loglevel=10)
IPython.parallel.util.set_hwm(sock, hwm=0)

set zmq High Water Mark on a socket

in a way that always works for various pyzmq / libzmq versions.