128 lines
4.0 KiB
Python
128 lines
4.0 KiB
Python
from functools import partial
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import zlib
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import json
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from io import BytesIO
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import sys
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import platform
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from electrum.plugins import BasePlugin, hook
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from electrum_gui.qt.util import WaitingDialog, EnterButton, WindowModalDialog
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from electrum.util import print_msg, print_error
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from electrum.i18n import _
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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try:
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import amodem.audio
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import amodem.main
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import amodem.config
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print_error('Audio MODEM is available.')
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amodem.log.addHandler(amodem.logging.StreamHandler(sys.stderr))
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amodem.log.setLevel(amodem.logging.INFO)
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except ImportError:
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amodem = None
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print_error('Audio MODEM is not found.')
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class Plugin(BasePlugin):
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def __init__(self, parent, config, name):
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BasePlugin.__init__(self, parent, config, name)
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if self.is_available():
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self.modem_config = amodem.config.slowest()
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self.library_name = {
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'Linux': 'libportaudio.so'
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}[platform.system()]
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def is_available(self):
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return amodem is not None
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def requires_settings(self):
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return True
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def settings_widget(self, window):
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return EnterButton(_('Settings'), partial(self.settings_dialog, window))
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def settings_dialog(self, window):
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d = WindowModalDialog(window, _("Audio Modem Settings"))
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layout = QGridLayout(d)
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layout.addWidget(QLabel(_('Bit rate [kbps]: ')), 0, 0)
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bitrates = list(sorted(amodem.config.bitrates.keys()))
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def _index_changed(index):
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bitrate = bitrates[index]
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self.modem_config = amodem.config.bitrates[bitrate]
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combo = QComboBox()
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combo.addItems([str(x) for x in bitrates])
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combo.currentIndexChanged.connect(_index_changed)
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layout.addWidget(combo, 0, 1)
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ok_button = QPushButton(_("OK"))
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ok_button.clicked.connect(d.accept)
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layout.addWidget(ok_button, 1, 1)
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return bool(d.exec_())
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@hook
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def transaction_dialog(self, dialog):
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b = QPushButton()
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b.setIcon(QIcon(":icons/speaker.png"))
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def handler():
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blob = json.dumps(dialog.tx.as_dict())
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self._send(parent=dialog, blob=blob)
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b.clicked.connect(handler)
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dialog.sharing_buttons.insert(-1, b)
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@hook
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def scan_text_edit(self, parent):
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parent.addButton(':icons/microphone.png', partial(self._recv, parent),
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_("Read from microphone"))
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@hook
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def show_text_edit(self, parent):
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def handler():
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blob = str(parent.toPlainText())
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self._send(parent=parent, blob=blob)
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parent.addButton(':icons/speaker.png', handler, _("Send to speaker"))
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def _audio_interface(self):
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interface = amodem.audio.Interface(config=self.modem_config)
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return interface.load(self.library_name)
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def _send(self, parent, blob):
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def sender_thread():
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with self._audio_interface() as interface:
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src = BytesIO(blob)
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dst = interface.player()
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amodem.main.send(config=self.modem_config, src=src, dst=dst)
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print_msg('Sending:', repr(blob))
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blob = zlib.compress(blob)
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kbps = self.modem_config.modem_bps / 1e3
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msg = 'Sending to Audio MODEM ({0:.1f} kbps)...'.format(kbps)
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WaitingDialog(parent, msg, sender_thread)
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def _recv(self, parent):
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def receiver_thread():
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with self._audio_interface() as interface:
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src = interface.recorder()
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dst = BytesIO()
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amodem.main.recv(config=self.modem_config, src=src, dst=dst)
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return dst.getvalue()
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def on_finished(blob):
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if blob:
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blob = zlib.decompress(blob)
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print_msg('Received:', repr(blob))
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parent.setText(blob)
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kbps = self.modem_config.modem_bps / 1e3
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msg = 'Receiving from Audio MODEM ({0:.1f} kbps)...'.format(kbps)
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WaitingDialog(parent, msg, receiver_thread, on_finished)
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