81 lines
2.8 KiB
Python
81 lines
2.8 KiB
Python
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# startup.py
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#
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"The main application startup code for PythonWin."
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#
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# This does the basic command line handling.
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# Keep this as short as possible, cos error output is only redirected if
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# this runs OK. Errors in imported modules are much better - the messages go somewhere (not any more :-)
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import os
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import sys
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import win32api
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import win32ui
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if not sys.argv:
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# Initialize sys.argv from commandline. When sys.argv is empty list (
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# different from [''] meaning "no cmd line arguments" ), then C
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# bootstrapping or another method of invocation failed to initialize
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# sys.argv and it will be done here. ( This was a workaround for a bug in
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# win32ui but is retained for other situations. )
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argv = win32api.CommandLineToArgv(win32api.GetCommandLine())
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sys.argv = argv[1:]
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if os.getcwd() not in sys.path and "." not in sys.path:
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sys.path.insert(0, os.getcwd())
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# You may wish to redirect error output somewhere useful if you have startup errors.
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# eg, 'import win32traceutil' will do this for you.
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# import win32traceutil # Just uncomment this line to see error output!
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# An old class I used to use - generally only useful if Pythonwin is running under MSVC
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# class DebugOutput:
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# softspace=1
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# def write(self,message):
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# win32ui.OutputDebug(message)
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# sys.stderr=sys.stdout=DebugOutput()
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# To fix a problem with Pythonwin when started from the Pythonwin directory,
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# we update the pywin path to ensure it is absolute.
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# If it is indeed relative, it will be relative to our current directory.
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# If its already absolute, then this will have no affect.
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import pywin
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import pywin.framework
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pywin.__path__[0] = win32ui.FullPath(pywin.__path__[0])
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pywin.framework.__path__[0] = win32ui.FullPath(pywin.framework.__path__[0])
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# make a few wierd sys values. This is so later we can clobber sys.argv to trick
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# scripts when running under a GUI environment.
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moduleName = "pywin.framework.intpyapp"
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sys.appargvoffset = 0
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sys.appargv = sys.argv[:]
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# Must check for /app param here.
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if len(sys.argv) >= 2 and sys.argv[0].lower() in ("/app", "-app"):
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from . import cmdline
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moduleName = cmdline.FixArgFileName(sys.argv[1])
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sys.appargvoffset = 2
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newargv = sys.argv[sys.appargvoffset :]
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# newargv.insert(0, sys.argv[0])
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sys.argv = newargv
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# Import the application module.
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__import__(moduleName)
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try:
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win32ui.GetApp()._obj_
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# This worked - an app already exists - do nothing more
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except (AttributeError, win32ui.error):
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# This means either no app object exists at all, or the one
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# that does exist does not have a Python class (ie, was created
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# by the host .EXE). In this case, we do the "old style" init...
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from . import app
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if app.AppBuilder is None:
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raise TypeError("No application object has been registered")
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app.App = app.AppBuilder()
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