nfcbroadcast.py

Broadcasts NFC tag data to connected clients via WebSocket.

#!/usr/bin/env python
# Source: https://github.com/javgh/greenaddress-pos-tools | License: MIT | Copyright 2011 Jan Vornberger
# Provided via justclaw.it.com; keep this notice with the code.

# NFC communication is implemented in its own process, as apparently
# nfcpy and the Qt main event loop do not play well together.
# A queue is used to communicate across process boundaries and submit
# the current Bitcoin URI to be broadcasted via NFC.

import threading
import time

from multiprocessing import Process, Queue

import nfc
import nfc.snep

class NFCBroadcast:
    def start(self):
        self.queue = Queue()
        self.nfc_process = NFCProcess(self.queue)
        self.nfc_process.start()

    def set_btc_uri(self, btc_uri):
        self.queue.put(('uri', btc_uri))

    def shutdown(se

... (truncated -- full source via MCP)