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author Guido van Rossum <guido@python.org>
date Tue, 02 Dec 1997 20:38:11 +0000
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1 % Template for a library manual section.
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2
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3 \section{Standard module \sectcode{code}}
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4 \label{module-code}
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5 \stmodindex{code}
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7 The \code{code} module defines operations pertaining to Python code
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8 objects.
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9
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10 The \code{code} module defines the following functions:
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12 \renewcommand{\indexsubitem}{(in module code)}
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13
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14 \begin{funcdesc}{compile_command}{source\,
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15 \optional{filename\optional{\, symbol}}}
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16 This function is useful for programs that want to emulate Python's
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17 interpreter main loop (a.k.a. the read-eval-print loop). The tricky
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18 part is to determine when the user has entered an incomplete command
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19 that can be completed by entering more text (as opposed to a complete
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20 command or a syntax error). This function \emph{almost} always makes
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21 the same decision as the real interpreter main loop.
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23 Arguments: \var{source} is the source string; \var{filename} is the
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24 optional filename from which source was read, defaulting to
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25 \code{"<input>"}; and \var{symbol} is the optional grammar start
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26 symbol, which should be either \code{"single"} (the default) or
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27 \code{"eval"}.
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28
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29 Return a code object (the same as \code{compile(\var{source},
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30 \var{filename}, \var{symbol})}) if the command is complete and valid;
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31 return \code{None} if the command is incomplete; raise
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32 \code{SyntaxError} if the command is a syntax error.
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34
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35 \end{funcdesc}