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#!/usr/bin/env python3
"""Launcher for Exaile on Windows"""
import builtins
import msvcrt
import sys
import os
from ctypes import windll
# Provide dummy sys.stdout and sys.stderr, which are None in noconsole/windowed
# mode (launched using pythonw.exe, or PyInstaller build).
if sys.stdout is None:
sys.stdout = open(os.devnull, "w")
if sys.stderr is None:
sys.stderr = open(os.devnull, "w")
__builtin__open = __builtins__.open
def __open_inheritance_hack(*args, **kwargs):
"""Make file handles not inheritable, that way we can restart on the fly"""
# From http://www.virtualroadside.com/blog/index.php/2013/02/06/problems-with-file-descriptors-being-inherited-by-default-in-python/
result = __builtin__open(*args, **kwargs)
handle = msvcrt.get_osfhandle(result.fileno())
windll.kernel32.SetHandleInformation(handle, 1, 0)
return result
builtins.open = __open_inheritance_hack
def error(message1, message2=None, die=True):
import logging
"""Show error message and exit.
If two message arguments are supplied, the first one will be used as title.
If `die` is true, exit after showing the message.
"""
logging.error(message1 + (('\r\n\r\n' + message2) if message2 else ''))
if sys.stdout.isatty():
if die:
print("\r\n[Press Enter to exit.]", file=sys.stderr)
input()
else:
import ctypes
if not message2:
message1, message2 = message2, message1
ctypes.windll.user32.MessageBoxW(None, message2, message1, 0x10)
if die:
sys.exit(1)
def main():
import logging
logging.basicConfig(
level=logging.INFO, datefmt="%H:%M:%S", format="%(levelname)-8s: %(message)s"
)
aio_message = (
"\r\n\r\nPlease run the 'All-In-One PyGI/PyGObject for "
"Windows Installer' and ensure that the following are selected:"
"\r\n\r\n"
"* GTK+ 3.x\r\n"
"* GStreamer 1.x and the gst-plugins package(s)\r\n"
"\r\n"
"The 'All-In-One PyGI/PyGObject for Windows Installer' "
"can be downloaded at\r\n"
"https://sourceforge.net/projects/pygobjectwin32/\r\n\r\n"
"See README.Windows for more information."
)
try:
import gi
except Exception:
error("PyGObject not found", "PyGObject could not be imported. " + aio_message)
else:
logging.info("PyGObject works")
try:
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
except Exception:
error("GTK+ not found", "GTK+ could not be imported. " + aio_message)
else:
logging.info("GTK+ works")
try:
gi.require_version('Gst', '1.0')
from gi.repository import Gst
except Exception:
error("GStreamer not found", "GStreamer could not be imported. " + aio_message)
else:
logging.info("GStreamer works")
try:
import mutagen
except Exception:
error(
"Mutagen not found",
"The Python module Mutagen could not be imported. For download "
"and installation instructions see "
"https://mutagen.readthedocs.io/en/latest/\r\n\r\n"
"See README.Windows for more information.",
)
else:
logging.info("Mutagen works")
# disable the logging before starting exaile.. otherwise it gets
# configured twice and we get double the log messages!
logging = None
del sys.modules['logging']
try:
sys.argv[1:1] = ['--startgui', '--no-dbus', '--no-hal']
import exaile
exaile.main()
except Exception:
import traceback
error("Error while running exaile.main()", traceback.format_exc())
if __name__ == '__main__':
main()
# vi: et sts=4 sw=4 ts=4
|
