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Project Description

Switchboard Python provides helpers for writing Switchboard workers and clients in Python.

Installation

It’s simplest to install this library from [PyPi](https://pypi.python.org/pypi):

pip install switchboard-python

To build from source:

# Building ./setup.py build

# Running the tests ./setup.py test

# Development install pip install -e .

# Actual install pip install .

Usage

The switchboard.Client class is used to interact with both Switchboard workers and clients.

Assuming that the Switchboard application is running, the following example opens a connection to the server over the worker interface, and sends a batch request with a connect command (see the interfaces guide for command documentation).

worker = switchboard.Client("ws://192.168.50.2:8080/workers")
worker.connect()
worker.send_cmds(("connect", CONN_SPEC))
worker.run_forever()

To handle command responses, send_cmds returns a promise that is fulfilled by the tuple (cmds, resps) when the command’s responses arrive, where cmds is the list of commands given to send_cmds, and resps is the list of responses returned by Switchboard.

def handle_get_mailboxes((cmds, resps)):
    print "For cmds", cmds, ", received resps:", resps

worker.send_cmds(("getMailboxes", {}).then(handle_get_mailboxes)

To add commands on connect, and/or handling of unsolicited messages subclass the base switchboard.Client – an unsolicited message is not sent in response to a command, but when the server has new information, such as a new emails arriving

class TheWorker(switchboard.Client):
    def opened(self):
        print "Connected to Switchboard, issuing watchAll cmd."
        worker.send_cmds(("watchAll", {}))

    def received_unsolicited(resps):
        print "Received unsolicited resps from server:", resps
        for resp in resps:
            if resp[0] == 'newMessage':
                print "New message:", resp[1]


worker = TheWorker("ws://127.0.0.1:8080/workers")
worker.connect()
worker.run_forever()

Examples

All examples are located under /examples. Each example uses command line arguments which you can investigate via:

./examples/example.py --help

listener.py

This worker provides a simple example of bidirectional communication using the Switchboard worker interface. It listens for Switchboard to notify it of new emails, then fetches the raw email and parses it using the Python email module:

./examples/listener.py

apnsworker.py

This worker sends new email Apple Push Notifications to an iOS client given an APNS certificate, key, and pushtoken.

Note: it does not map from account to push token when sending push notifications – it only sends the push notifications using the provided push token:

./examples/apnsworker.py --cert "path/to/cert.pem" --key "path/to/key.pem" --pushtoken "target users hex pushtoken"

twilioworker.py

This worker is similar to apnsworker.py, except instead of sending APNs when a new email arrives, it sends a text message via Twilio:

./examples/twilioworker.py --sid "twilio sid" --token "twilio token" --to "to phone #" --from "from phone #"
Release History

Release History

0.1.3

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.1.2

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0.1.1

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0.1.0

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Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
switchboard-python-0.1.3.macosx-10.9-x86_64.tar.gz (11.0 kB) Copy SHA256 Checksum SHA256 any Dumb Binary Sep 25, 2014
switchboard-python-0.1.3.tar.gz (7.1 kB) Copy SHA256 Checksum SHA256 Source Sep 25, 2014

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