# startup.py
#
"The main application startup code for PythonWin."

#
# This does the basic command line handling.

# Keep this as short as possible, cos error output is only redirected if
# this runs OK.  Errors in imported modules are much better - the messages go somewhere (not any more :-)

import sys
import win32ui

# You may wish to redirect error output somewhere useful if you have startup errors.
# eg, 'import win32traceutil' will do this for you.
# import win32traceutil # Just uncomment this line to see error output!

# An old class I used to use - generally only useful if Pythonwin is running under MSVC
#class DebugOutput:
#	softspace=1
#	def write(self,message):
#		win32ui.OutputDebug(message)
#sys.stderr=sys.stdout=DebugOutput()

# To fix a problem with Pythonwin when started from the Pythonwin directory,
# we update the pywin path to ensure it is absolute.
# If it is indeed relative, it will be relative to our current directory.
# If its already absolute, then this will have no affect.
import pywin, pywin.framework
pywin.__path__[0] = win32ui.FullPath(pywin.__path__[0])
pywin.framework.__path__[0] = win32ui.FullPath(pywin.framework.__path__[0])

# make a few wierd sys values.  This is so later we can clobber sys.argv to trick
# scripts when running under a GUI environment.

moduleName = "pywin.framework.intpyapp"
sys.appargvoffset = 0
sys.appargv = sys.argv[:]
# Must check for /app param here.
if len(sys.argv)>=2 and sys.argv[0].lower()=='/app':
	from . import cmdline
	moduleName = cmdline.FixArgFileName(sys.argv[1])
	sys.appargvoffset = 2
	newargv=sys.argv[sys.appargvoffset:]
#	newargv.insert(0, sys.argv[0])
	sys.argv = newargv

# Import the application module.
__import__(moduleName)

try:
	win32ui.GetApp()._obj_
	# This worked - an app already exists - do nothing more
except (AttributeError, win32ui.error):
	# This means either no app object exists at all, or the one
	# that does exist does not have a Python class (ie, was created
	# by the host .EXE).  In this case, we do the "old style" init...
	from . import app
	if app.AppBuilder is None:
		raise TypeError("No application object has been registered")

	app.App = app.AppBuilder()
