dropship/dropship.py

156 lines
4.9 KiB
Python

"""Magic-Wormhole bundled up inside a PyGtk GUI."""
import logging
import os
from signal import SIGINT
from subprocess import PIPE
import gi
import trio
import trio_gtk
gi.require_version("Gtk", "3.0")
gi.require_version("Gdk", "3.0")
from gi.repository import Gdk as gdk
from gi.repository import GLib as glib
from gi.repository import Gtk as gtk
logging.basicConfig(level=os.environ.get("LOGLEVEL", "INFO"))
log = logging.getLogger("dropship")
class DropShip:
"""Drag it, drop it, ship it."""
def __init__(self, nursery):
"""Object initialisation."""
self.GLADE_FILE = "dropship.glade"
self.CSS_FILE = "dropship.css"
self.DOWNLOAD_DIR = os.path.expanduser("~")
self.clipboard = gtk.Clipboard.get(gdk.SELECTION_CLIPBOARD)
self.nursery = nursery
self.init_glade()
self.init_css()
self.init_ui_elements()
self.init_window()
def init_glade(self):
"""Initialise the GUI from Glade file."""
self.builder = gtk.Builder()
self.builder.add_from_file(self.GLADE_FILE)
self.builder.connect_signals(self)
def init_css(self):
"""Initialise CSS injection."""
self.screen = gdk.Screen.get_default()
self.provider = gtk.CssProvider()
self.provider.load_from_path(self.CSS_FILE)
gtk.StyleContext.add_provider_for_screen(
self.screen, self.provider, gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
)
def init_window(self):
"""Initialise the Main GUI window."""
self.main_window_id = "mainWindow"
self.window = self.builder.get_object(self.main_window_id)
self.window.connect("delete-event", gtk.main_quit)
self.window.show()
def init_ui_elements(self):
"""Initialize the UI elements."""
# TODO (rra) find out how to use composite templates
# https://github.com/sebp/PyGObject-Tutorial/issues/149
# Send UI
# Drag & Drop Box
self.files_to_send = ""
self.enforce_target = gtk.TargetEntry.new(
"text/uri-list", gtk.TargetFlags(4), 129
)
self.drop_box = self.builder.get_object("dropBox")
self.drop_box.drag_dest_set(
gtk.DestDefaults.ALL, [self.enforce_target], gdk.DragAction.COPY
)
self.drop_box.connect("drag-data-received", self.on_drop)
self.drop_label = self.builder.get_object("dropLabel")
self.drop_spinner = self.builder.get_object("dropSpinner")
# File chooser
self.file_chooser = self.builder.get_object("filePicker")
self.file_chooser.add_buttons(
"Cancel", gtk.ResponseType.CANCEL, "Add", gtk.ResponseType.OK
)
# Receive UI
# Code entry box
self.recv_box = self.builder.get_object("receiveBoxCodeEntry")
self.recv_box.connect("activate", self.on_recv)
def on_drop(self, widget, drag_context, x, y, data, info, time):
"""Handler for file dropping."""
files = data.get_uris()
self.files_to_send = files
if len(files) == 1:
fpath = files[0].replace("file://", "")
self.nursery.start_soon(self.wormhole_send, fpath)
else:
log.info("Multiple file sending coming soon ™")
def on_recv(self, entry):
"""Handler for receiving transfers."""
self.nursery.start_soon(self.wormhole_recv, entry.get_text())
def add_files(self, widget, event):
"""Handler for adding files with system interface"""
response = self.file_chooser.run()
if response == gtk.ResponseType.OK:
fpath = self.file_chooser.get_filenames()[0]
self.nursery.start_soon(self.wormhole_send, fpath)
self.file_chooser.hide()
async def wormhole_send(self, fpath):
"""Run `wormhole send` on a local file path."""
command = ["wormhole", "send", fpath]
process = await trio.open_process(command, stderr=PIPE)
self.drop_label.set_visible(False)
self.drop_label.set_vexpand(False)
self.drop_spinner.set_vexpand(True)
self.drop_spinner.set_visible(True)
self.drop_spinner.start()
output = await process.stderr.receive_some()
code = output.decode().split()[-1]
self.drop_label.set_text(code)
self.drop_label.set_visible(True)
self.drop_label.set_selectable(True)
self.drop_spinner.stop()
self.drop_spinner.set_vexpand(False)
self.drop_spinner.set_visible(False)
await process.wait()
async def wormhole_recv(self, code):
"""Run `wormhole receive` with a pending transfer code."""
command = ["wormhole", "receive", "--accept-file", code]
await trio.run_process(command, stderr=PIPE)
async def main():
"""Trio main entrypoint."""
async with trio.open_nursery() as nursery:
DropShip(nursery)
await trio.sleep_forever()
trio_gtk.run(main)