lbry-sdk/packaging/windows/lbry-win32-app/LBRYWin32App.py

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import logging
import os
import socket
import sys
import threading
import webbrowser
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import win32api
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import win32con
import win32gui_struct
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from jsonrpc.proxy import JSONRPCProxy
from twisted.internet import reactor, error
from twisted.web import server
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try:
import winxpgui as win32gui
except ImportError:
import win32gui
from lbrynet.lbrynet_daemon.LBRYDaemonServer import LBRYDaemonServer, LBRYDaemonRequest
from lbrynet.conf import API_PORT, API_INTERFACE, ICON_PATH, APP_NAME
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from lbrynet.conf import UI_ADDRESS, API_CONNECTION_STRING
from packaging.uri_handler.LBRYURIHandler import LBRYURIHandler
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if getattr(sys, 'frozen', False) and os.name == "nt":
os.environ["REQUESTS_CA_BUNDLE"] = os.path.join(os.path.dirname(sys.executable), "cacert.pem")
log = logging.getLogger(__name__)
REMOTE_SERVER = "www.google.com"
def test_internet_connection():
try:
host = socket.gethostbyname(REMOTE_SERVER)
s = socket.create_connection((host, 80), 2)
return True
except:
return False
def non_string_iterable(obj):
try:
iter(obj)
except TypeError:
return False
else:
return not isinstance(obj, basestring)
class SysTrayIcon(object):
"""TODO"""
QUIT = 'QUIT'
SPECIAL_ACTIONS = [QUIT]
FIRST_ID = 1023
def __init__(self,
icon,
hover_text,
menu_options,
on_quit=None,
default_menu_index=None,
window_class_name=None, ):
self.icon = icon
self.hover_text = hover_text
self.on_quit = on_quit
menu_options = menu_options + (('Quit', None, self.QUIT),)
self._next_action_id = self.FIRST_ID
self.menu_actions_by_id = set()
self.menu_options = self._add_ids_to_menu_options(list(menu_options))
self.menu_actions_by_id = dict(self.menu_actions_by_id)
del self._next_action_id
self.default_menu_index = (default_menu_index or 0)
self.window_class_name = window_class_name or "SysTrayIconPy"
message_map = {win32gui.RegisterWindowMessage("TaskbarCreated"): self.restart,
win32con.WM_DESTROY: self.destroy,
win32con.WM_COMMAND: self.command,
win32con.WM_USER + 20: self.notify,}
# Register the Window class.
window_class = win32gui.WNDCLASS()
hinst = window_class.hInstance = win32gui.GetModuleHandle(None)
window_class.lpszClassName = self.window_class_name
window_class.style = win32con.CS_VREDRAW | win32con.CS_HREDRAW;
window_class.hCursor = win32gui.LoadCursor(0, win32con.IDC_ARROW)
window_class.hbrBackground = win32con.COLOR_WINDOW
window_class.lpfnWndProc = message_map # could also specify a wndproc.
classAtom = win32gui.RegisterClass(window_class)
# Create the Window.
style = win32con.WS_OVERLAPPED | win32con.WS_SYSMENU
self.hwnd = win32gui.CreateWindow(classAtom,
self.window_class_name,
style,
0,
0,
win32con.CW_USEDEFAULT,
win32con.CW_USEDEFAULT,
0,
0,
hinst,
None)
win32gui.UpdateWindow(self.hwnd)
self.notify_id = None
self.refresh_icon()
win32gui.PumpMessages()
def _add_ids_to_menu_options(self, menu_options):
result = []
for menu_option in menu_options:
option_text, option_icon, option_action = menu_option
if callable(option_action) or option_action in self.SPECIAL_ACTIONS:
self.menu_actions_by_id.add((self._next_action_id, option_action))
result.append(menu_option + (self._next_action_id,))
elif non_string_iterable(option_action):
result.append((option_text,
option_icon,
self._add_ids_to_menu_options(option_action),
self._next_action_id))
else:
print 'Unknown item', option_text, option_icon, option_action
self._next_action_id += 1
return result
def refresh_icon(self):
# Try and find a custom icon
hinst = win32gui.GetModuleHandle(None)
if os.path.isfile(self.icon):
icon_flags = win32con.LR_LOADFROMFILE | win32con.LR_DEFAULTSIZE
hicon = win32gui.LoadImage(hinst,
self.icon,
win32con.IMAGE_ICON,
0,
0,
icon_flags)
else:
print "Can't find icon file - using default."
hicon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
if self.notify_id:
message = win32gui.NIM_MODIFY
else:
message = win32gui.NIM_ADD
self.notify_id = (self.hwnd,
0,
win32gui.NIF_ICON | win32gui.NIF_MESSAGE | win32gui.NIF_TIP,
win32con.WM_USER + 20,
hicon,
self.hover_text)
win32gui.Shell_NotifyIcon(message, self.notify_id)
def restart(self, hwnd, msg, wparam, lparam):
self.refresh_icon()
def destroy(self, hwnd, msg, wparam, lparam):
if self.on_quit: self.on_quit(self)
nid = (self.hwnd, 0)
win32gui.Shell_NotifyIcon(win32gui.NIM_DELETE, nid)
win32gui.PostQuitMessage(0) # Terminate the app.
def notify(self, hwnd, msg, wparam, lparam):
if lparam == win32con.WM_LBUTTONDBLCLK:
self.execute_menu_option(self.default_menu_index + self.FIRST_ID)
elif lparam == win32con.WM_RBUTTONUP:
self.show_menu()
elif lparam == win32con.WM_LBUTTONUP:
pass
return True
def show_menu(self):
menu = win32gui.CreatePopupMenu()
self.create_menu(menu, self.menu_options)
# win32gui.SetMenuDefaultItem(menu, 1000, 0)
pos = win32gui.GetCursorPos()
# See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/menus_0hdi.asp
win32gui.SetForegroundWindow(self.hwnd)
win32gui.TrackPopupMenu(menu,
win32con.TPM_LEFTALIGN,
pos[0],
pos[1],
0,
self.hwnd,
None)
win32gui.PostMessage(self.hwnd, win32con.WM_NULL, 0, 0)
def create_menu(self, menu, menu_options):
for option_text, option_icon, option_action, option_id in menu_options[::-1]:
if option_icon:
option_icon = self.prep_menu_icon(option_icon)
if option_id in self.menu_actions_by_id:
item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text,
hbmpItem=option_icon,
wID=option_id)
win32gui.InsertMenuItem(menu, 0, 1, item)
else:
submenu = win32gui.CreatePopupMenu()
self.create_menu(submenu, option_action)
item, extras = win32gui_struct.PackMENUITEMINFO(text=option_text,
hbmpItem=option_icon,
hSubMenu=submenu)
win32gui.InsertMenuItem(menu, 0, 1, item)
def prep_menu_icon(self, icon):
# First load the icon.
ico_x = win32api.GetSystemMetrics(win32con.SM_CXSMICON)
ico_y = win32api.GetSystemMetrics(win32con.SM_CYSMICON)
hicon = win32gui.LoadImage(0, icon, win32con.IMAGE_ICON, ico_x, ico_y, win32con.LR_LOADFROMFILE)
hdcBitmap = win32gui.CreateCompatibleDC(0)
hdcScreen = win32gui.GetDC(0)
hbm = win32gui.CreateCompatibleBitmap(hdcScreen, ico_x, ico_y)
hbmOld = win32gui.SelectObject(hdcBitmap, hbm)
# Fill the background.
brush = win32gui.GetSysColorBrush(win32con.COLOR_MENU)
win32gui.FillRect(hdcBitmap, (0, 0, 16, 16), brush)
# unclear if brush needs to be feed. Best clue I can find is:
# "GetSysColorBrush returns a cached brush instead of allocating a new
# one." - implies no DeleteObject
# draw the icon
win32gui.DrawIconEx(hdcBitmap, 0, 0, hicon, ico_x, ico_y, 0, 0, win32con.DI_NORMAL)
win32gui.SelectObject(hdcBitmap, hbmOld)
win32gui.DeleteDC(hdcBitmap)
return hbm
def command(self, hwnd, msg, wparam, lparam):
id = win32gui.LOWORD(wparam)
self.execute_menu_option(id)
def execute_menu_option(self, id):
menu_action = self.menu_actions_by_id[id]
if menu_action == self.QUIT:
self.exit_app()
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else:
menu_action(self)
def exit_app(self):
win32gui.DestroyWindow(self.hwnd)
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def main(lbry_name=None):
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def LBRYApp():
return SysTrayIcon(icon, hover_text, menu_options, on_quit=stop)
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def openui_(sender):
webbrowser.open(UI_ADDRESS)
def replyToApplicationShouldTerminate_():
try:
reactor.stop()
except error.ReactorNotRunning:
log.debug('Reactor already stopped')
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def stop(sysTrayIcon):
replyToApplicationShouldTerminate_()
if getattr(sys, 'frozen', False) and os.name == "nt":
icon = os.path.join(os.path.dirname(sys.executable), ICON_PATH, 'lbry16.ico')
else:
icon = os.path.join(ICON_PATH, 'lbry16.ico')
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hover_text = APP_NAME
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menu_options = (('Open', icon, openui_),)
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if not test_internet_connection():
log.warn('No Internet Connection')
sys.exit(1)
systray_thread = threading.Thread(target=LBRYApp)
systray_thread.daemon = True
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systray_thread.start()
lbry = LBRYDaemonServer()
d = lbry.start()
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d.addCallback(lambda _: LBRYURIHandler.open_address(lbry_name))
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lbrynet_server = server.Site(lbry.root)
lbrynet_server.requestFactory = LBRYDaemonRequest
reactor.listenTCP(API_PORT, lbrynet_server, interface=API_INTERFACE)
reactor.run()
if __name__ == '__main__':
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lbry_daemon = JSONRPCProxy.from_url(API_CONNECTION_STRING)
try:
daemon_running = lbry_daemon.is_running()
start_daemon = False
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except:
start_daemon = True
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try:
lbry_name = LBRYURIHandler.parse_name(sys.argv[1])
except IndexError:
lbry_name = None
if start_daemon:
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main(lbry_name)
else:
LBRYURIHandler.open_address(lbry_name)