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The optional 'locals' argument specifies the dictionary in
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Arguments are as for compile_command().

One several things can happen:

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2) The input is incomplete, and more input is required;
        compile_command() returned None.  Nothing happens.

3) The input is complete; compile_command() returned a code
        object.  The code is executed by calling self.runcode() (which
        also handles run-time exceptions, except for SystemExit).

The return value is True in case 2, False in the other cases (unless
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When an exception occurs, self.showtraceback() is called to
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This doesn't display a stack trace because there isn't one.

If a filename is given, it is stuffed in the exception instead
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The output is written by self.write(), below.

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We remove the first stack item because it is our own code.

The output is written by self.write(), below.

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This class builds on InteractiveInterpreter and adds prompting
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The optional locals argument will be passed to the
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The optional banner argument specify the banner to print
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        to confuse this with the real interpreter -- since it's so
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cCsN|jj|�dj|j�}|j||j�}|sJ|j�n|S(sPush a line to the interpreter.

The line should not have a trailing newline; it may have
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        indicates that the command was executed or invalid, the buffer
        is reset; otherwise, the command is incomplete, and the buffer
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The base implementation uses the built-in function
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This is a backwards compatible interface to the InteractiveConsole
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Arguments (all optional, all default to None):

banner -- passed to InteractiveConsole.interact()
    readfunc -- if not None, replaces InteractiveConsole.raw_input()
    local -- passed to InteractiveInterpreter.__init__()

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