Load watcher on running CIRCUS instance.

circus_test.py

from circus.client import CircusClient, make_message
from circus.util import DEFAULT_ENDPOINT_DEALER

client = CircusClient(endpoint=DEFAULT_ENDPOINT_DEALER)

virtual_env_dir = "/path/to/.virtualenvs/virtualenv/bin"

watcher_options = {
    "numprocesses": 2,
    "working_dir": "my/path/to/file",
}

process = {
    "name":"Test Print",
    "options": watcher_options,
    "executable" : "python",
    "cmd": "%s/python printer.py" % (virtual_env_dir),
    "start": True
}

print client.call(make_message("add", **process))