Python pdb._runscript() Examples

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile( "%s")' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile( "%s")' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile( "%s")' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile( "%s")' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = 1
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = 0
        statement = 'execfile(%r)' % filename
        self.run(statement)

# Simplified interface 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = True
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = False
        with open(filename, "rb") as fp:
            statement = "exec(compile(%r, %r, 'exec'))" % \
                        (fp.read(), self.mainpyfile)
        self.run(statement)

# Collect all command help into docstring, if not run with -OO 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = True
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = False
        with open(filename, "rb") as fp:
            statement = "exec(compile(%r, %r, 'exec'))" % \
                        (fp.read(), self.mainpyfile)
        self.run(statement)

# Collect all command help into docstring, if not run with -OO 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = True
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = False
        with open(filename, "rb") as fp:
            statement = "exec(compile(%r, %r, 'exec'))" % \
                        (fp.read(), self.mainpyfile)
        self.run(statement)

# Collect all command help into docstring, if not run with -OO 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = True
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = False
        with open(filename, "rb") as fp:
            statement = "exec(compile(%r, %r, 'exec'))" % \
                        (fp.read(), self.mainpyfile)
        self.run(statement)

# Collect all command help into docstring, if not run with -OO 

def _runscript(self, filename):
        # The script has to run in __main__ namespace (or imports from
        # __main__ will break).
        #
        # So we clear up the __main__ and set several special variables
        # (this gets rid of pdb's globals and cleans old variables on restarts).
        import __main__
        __main__.__dict__.clear()
        __main__.__dict__.update({"__name__"    : "__main__",
                                  "__file__"    : filename,
                                  "__builtins__": __builtins__,
                                 })

        # When bdb sets tracing, a number of call and line events happens
        # BEFORE debugger even reaches user's code (and the exact sequence of
        # events depends on python version). So we take special measures to
        # avoid stopping before we reach the main script (see user_line and
        # user_call for details).
        self._wait_for_mainpyfile = True
        self.mainpyfile = self.canonic(filename)
        self._user_requested_quit = False
        with open(filename, "rb") as fp:
            statement = "exec(compile(%r, %r, 'exec'))" % \
                        (fp.read(), self.mainpyfile)
        self.run(statement)

# Collect all command help into docstring, if not run with -OO 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except SyntaxError:
            traceback.print_exc()
            sys.exit(1)
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    import getopt

    opts, args = getopt.getopt(sys.argv[1:], 'hc:', ['--help', '--command='])

    if not args:
        print(_usage)
        sys.exit(2)

    commands = []
    for opt, optarg in opts:
        if opt in ['-h', '--help']:
            print(_usage)
            sys.exit()
        elif opt in ['-c', '--command']:
            commands.append(optarg)

    mainpyfile = args[0]     # Get script filename
    if not os.path.exists(mainpyfile):
        print('Error:', mainpyfile, 'does not exist')
        sys.exit(1)

    sys.argv[:] = args      # Hide "pdb.py" and pdb options from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    pdb.rcLines.extend(commands)
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print("The program finished and will be restarted")
        except Restart:
            print("Restarting", mainpyfile, "with arguments:")
            print("\t" + " ".join(args))
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print("The program exited via sys.exit(). Exit status:", end=' ')
            print(sys.exc_info()[1])
        except SyntaxError:
            traceback.print_exc()
            sys.exit(1)
        except:
            traceback.print_exc()
            print("Uncaught exception. Entering post mortem debugging")
            print("Running 'cont' or 'step' will restart the program")
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print("Post mortem debugger finished. The " + mainpyfile +
                  " will be restarted")


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except SyntaxError:
            traceback.print_exc()
            sys.exit(1)
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    if not sys.argv[1:] or sys.argv[1] in ("--help", "-h"):
        print "usage: pdb.py scriptfile [arg] ..."
        sys.exit(2)

    mainpyfile =  sys.argv[1]     # Get script filename
    if not os.path.exists(mainpyfile):
        print 'Error:', mainpyfile, 'does not exist'
        sys.exit(1)

    del sys.argv[0]         # Hide "pdb.py" from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print "The program finished and will be restarted"
        except Restart:
            print "Restarting", mainpyfile, "with arguments:"
            print "\t" + " ".join(sys.argv[1:])
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print "The program exited via sys.exit(). Exit status: ",
            print sys.exc_info()[1]
        except SyntaxError:
            traceback.print_exc()
            sys.exit(1)
        except:
            traceback.print_exc()
            print "Uncaught exception. Entering post mortem debugging"
            print "Running 'cont' or 'step' will restart the program"
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print "Post mortem debugger finished. The " + mainpyfile + \
                  " will be restarted"


# When invoked as main program, invoke the debugger on a script 

def main():
    import getopt

    opts, args = getopt.getopt(sys.argv[1:], 'hc:', ['--help', '--command='])

    if not args:
        print(_usage)
        sys.exit(2)

    commands = []
    for opt, optarg in opts:
        if opt in ['-h', '--help']:
            print(_usage)
            sys.exit()
        elif opt in ['-c', '--command']:
            commands.append(optarg)

    mainpyfile = args[0]     # Get script filename
    if not os.path.exists(mainpyfile):
        print('Error:', mainpyfile, 'does not exist')
        sys.exit(1)

    sys.argv[:] = args      # Hide "pdb.py" and pdb options from argument list

    # Replace pdb's dir with script's dir in front of module search path.
    sys.path[0] = os.path.dirname(mainpyfile)

    # Note on saving/restoring sys.argv: it's a good idea when sys.argv was
    # modified by the script being debugged. It's a bad idea when it was
    # changed by the user from the command line. There is a "restart" command
    # which allows explicit specification of command line arguments.
    pdb = Pdb()
    pdb.rcLines.extend(commands)
    while True:
        try:
            pdb._runscript(mainpyfile)
            if pdb._user_requested_quit:
                break
            print("The program finished and will be restarted")
        except Restart:
            print("Restarting", mainpyfile, "with arguments:")
            print("\t" + " ".join(args))
        except SystemExit:
            # In most cases SystemExit does not warrant a post-mortem session.
            print("The program exited via sys.exit(). Exit status:", end=' ')
            print(sys.exc_info()[1])
        except SyntaxError:
            traceback.print_exc()
            sys.exit(1)
        except:
            traceback.print_exc()
            print("Uncaught exception. Entering post mortem debugging")
            print("Running 'cont' or 'step' will restart the program")
            t = sys.exc_info()[2]
            pdb.interaction(None, t)
            print("Post mortem debugger finished. The " + mainpyfile +
                  " will be restarted")


# When invoked as main program, invoke the debugger on a script