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"""twit - The Window-Independent Tracer.
Interface:
twit.main() Enter debugger in inactive interactive state
twit.run(stmt, globals, locals) Enter debugger and start running stmt
twit.post_mortem(traceback) Enter debugger in post-mortem mode on traceback
twit.pm() Enter debugger in pm-mode on sys.last_traceback
main program: nothing but a bit of glue to put it all together.
Jack Jansen, CWI, August 1996."""
import os
import sys
# Add our directory to path, if needed
dirname = os.path.split(__file__)[0]
if not dirname in sys.path:
sys.path.append(dirname)
if os.name == 'mac':
import MacOS
MacOS.splash(502) # Try to show the splash screen
import mactwit_app; twit_app = mactwit_app
else:
try:
import _tkinter
have_tk = 1
except ImportError:
have_tk = 0
if have_tk:
import tktwit_app; twit_app = tktwit_app
else:
print 'Please implementent machine-dependent code and try again:-)'
sys.exit(1)
import sys
def main():
twit_app.Initialize()
if os.name == 'mac':
MacOS.splash()
twit_app.Twit('none', None)
def run(statement, globals=None, locals=None):
twit_app.Initialize()
twit_app.Twit('run', (statement, globals, locals))
def post_mortem(t):
Initialize()
twit_app.Twit('pm', t)
def pm():
post_mortem(sys.last_traceback)
if __name__ == '__main__':
main()
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