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#!/usr/bin/env python2
"""Launcher for Exaile on Windows"""
from __future__ import division, print_function, unicode_literals
# 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/
import __builtin__
import msvcrt, sys
from ctypes import windll
__builtin__open = __builtins__.open
def __open_inheritance_hack(*args, **kwargs):
result = __builtin__open(*args, **kwargs)
handle = msvcrt.get_osfhandle(result.fileno())
windll.kernel32.SetHandleInformation(handle, 1, 0)
return result
__builtin__.open = __open_inheritance_hack
import logging, os
exailedir = os.path.dirname(os.path.realpath(__file__))
logging.basicConfig(level=logging.INFO, datefmt="%H:%M:%S",
format="%(levelname)-8s: %(message)s")
def error(message1, message2=None, die=True):
"""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)
raw_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():
# The first time GStreamer is imported, it hijacks standard args like
# '--help'. To prevent this, we hide non-gst args and restore them later.
argv = sys.argv
sys.argv = [argv[0]]
sys.argv.extend(a for a in argv if a == '--help-gst' or a.startswith('--gst-'))
try:
import pygst
pygst.require('0.10')
import gst
except Exception:
import struct
is64bit = len(struct.pack(b'P', 0)) == 8
logging.info("Python arch: %d-bit" % (64 if is64bit else 32))
gstroot = os.environ.get('GSTREAMER_SDK_ROOT_X86_64', r'C:\gstreamer-sdk\0.10\x86_64') \
if is64bit \
else os.environ.get('GSTREAMER_SDK_ROOT_X86', r'C:\gstreamer-sdk\0.10\x86')
if not os.path.exists(gstroot):
error("GStreamer not found",
"GStreamer was not found. It can be downloaded from http://www.gstreamer.com/\r\n\r\n" +
"See README.Windows for more information.")
os.environ['PATH'] = gstroot + r'\bin;' + os.environ['PATH']
gstpypath = gstroot + r'\lib\python2.7\site-packages'
sys.path.insert(1, gstpypath)
os.environ['PYTHONPATH'] = gstpypath
try:
import pygst
pygst.require('0.10')
import gst
except Exception:
error("GStreamer Python bindings not found",
"The Python bindings for GStreamer could not be imported. Please re-run the GStreamer installer and ensure that \"GStreamer python bindings\" is selected for installation (it should be selected by default).\r\n\r\n" +
"GStreamer can be downloaded from http://www.gstreamer.com/\r\n\r\n" +
"See README.Windows for more information.")
else:
logging.info("GStreamer: %s" % gstroot)
else:
logging.info("GStreamer works out of the box")
finally:
sys.argv = argv
try:
import pygtk
pygtk.require('2.0')
import gtk
except Exception:
error("GTK/PyGTK not found",
"PyGTK 2.x could not be imported. Please re-run the GStreamer installer and ensure that \"Gtk toolkit\" and \"Gtk python bindings\" are selected (they should be selected by default). Note that the PyGTK library from pygtk.org is NOT compatible with the GStreamer library from gstreamer.com.\r\n\r\n" +
"GStreamer can be downloaded from http://www.gstreamer.com/\r\n\r\n" +
"See README.Windows for more information.")
else:
logging.info("PyGTK works")
try:
import mutagen
except Exception:
error("Mutagen not found",
"The Python module Mutagen could not be imported. It can be downloaded from http://code.google.com/p/mutagen\r\n\r\n" +
"See README.Windows for more information.")
else:
logging.info("Mutagen works")
try:
sys.argv[1:1] = ['--startgui', '--no-dbus', '--no-hal']
import exaile
exaile.main()
except Exception:
import traceback
traceback.print_exc()
raw_input()
if __name__ == '__main__':
main()
# vi: et sts=4 sw=4 ts=4
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