Tiny Roku remote library. Requires requests and ssdp.py from here: https://gist.github.com/dankrause/6000248

roku.py

import ssdp
import requests
from xml.etree import ElementTree

class RokuApp(object):
    def __init__(self, app_id, name, version, remote=None):
        self.id = app_id
        self.name = name
        self.version = version
        self._remote = remote
    def __repr__(self):
        cls = self.__class__.__name__
        values = {k: repr(v) for k, v in self.__dict__.iteritems()}
        return "{0}({id}, {name}, {version})".format(cls, **values)
    def launch(self):
        self._remote.launch(self.id)

class RokuRemote(object):
    def __init__(self, location):
        self.location = location
    
    def __repr__(self):
        return "{0}({1})".format(self.__class__.__name__, repr(self.location))
    
    def _call(self, method, path, params=None):
        url = "".join([self.location, path])
        return requests.request(method, url, params=params).text
    
    def keypress(self, key):
        self._call("post", "/keypress/{0}".format(key))

    def keydown(self, key):
        self._call("post", "/keydown/{0}".format(key))

    def keyup(self, key):
        self._call("post", "/keyup/{0}".format(key))
    
    def query_apps(self):
        apps_xml = ElementTree.fromstring(self._call("get", "/query/apps"))
        apps = {}
        for app in apps_xml.getchildren():
            a = app.attrib
            apps[a["id"]] = RokuApp(a["id"], app.text, a["version"], self)
        return apps

    def launch(self, app, params=None):
        self._call("post", "/launch/{0}".format(app), params=params)
    
    def send_input(self, params):
        self._call("post", "/input", params=params)
    
    def type_string(self, string):
        for letter in string:
            self.keypress("Lit_{0}".format(letter))


def get_remotes():
    return {s.usn: RokuRemote(s.location) for s in ssdp.discover("roku:ecp")}


# Example:
# import roku
# remote = roku.get_remotes().values()[0]
# remote.keypress("home")