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e47da0ae04
* \bcode, \ecode added everywhere
* \label{module-foo} added everywhere
* A few \seealso sections added.
* Indentation fixed inside verbatim in lib*tex files
124 lines
3.1 KiB
TeX
124 lines
3.1 KiB
TeX
\section{Standard Module \sectcode{types}}
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\label{module-types}
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\stmodindex{types}
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\renewcommand{\indexsubitem}{(in module types)}
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This module defines names for all object types that are used by the
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standard Python interpreter (but not for the types defined by various
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extension modules). It is safe to use ``\code{from types import *}'' ---
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the module does not export any other names besides the ones listed
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here. New names exported by future versions of this module will
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all end in \code{Type}.
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Typical use is for functions that do different things depending on
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their argument types, like the following:
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\bcode\begin{verbatim}
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from types import *
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def delete(list, item):
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if type(item) is IntType:
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del list[item]
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else:
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list.remove(item)
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\end{verbatim}\ecode
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%
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The module defines the following names:
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\begin{datadesc}{NoneType}
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The type of \code{None}.
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\end{datadesc}
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\begin{datadesc}{TypeType}
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The type of type objects (such as returned by \code{type()}).
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\end{datadesc}
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\begin{datadesc}{IntType}
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The type of integers (e.g. \code{1}).
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\end{datadesc}
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\begin{datadesc}{LongType}
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The type of long integers (e.g. \code{1L}).
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\end{datadesc}
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\begin{datadesc}{FloatType}
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The type of floating point numbers (e.g. \code{1.0}).
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\end{datadesc}
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\begin{datadesc}{StringType}
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The type of character strings (e.g. \code{'Spam'}).
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\end{datadesc}
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\begin{datadesc}{TupleType}
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The type of tuples (e.g. \code{(1, 2, 3, 'Spam')}).
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\end{datadesc}
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\begin{datadesc}{ListType}
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The type of lists (e.g. \code{[0, 1, 2, 3]}).
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\end{datadesc}
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\begin{datadesc}{DictType}
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The type of dictionaries (e.g. \code{\{'Bacon': 1, 'Ham': 0\}}).
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\end{datadesc}
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\begin{datadesc}{DictionaryType}
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An alternative name for \code{DictType}.
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\end{datadesc}
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\begin{datadesc}{FunctionType}
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The type of user-defined functions and lambdas.
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\end{datadesc}
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\begin{datadesc}{LambdaType}
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An alternative name for \code{FunctionType}.
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\end{datadesc}
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\begin{datadesc}{CodeType}
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The type for code objects such as returned by \code{compile()}.
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\end{datadesc}
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\begin{datadesc}{ClassType}
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The type of user-defined classes.
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\end{datadesc}
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\begin{datadesc}{InstanceType}
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The type of instances of user-defined classes.
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\end{datadesc}
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\begin{datadesc}{MethodType}
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The type of methods of user-defined class instances.
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\end{datadesc}
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\begin{datadesc}{UnboundMethodType}
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An alternative name for \code{MethodType}.
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\end{datadesc}
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\begin{datadesc}{BuiltinFunctionType}
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The type of built-in functions like \code{len} or \code{sys.exit}.
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\end{datadesc}
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\begin{datadesc}{BuiltinMethodType}
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An alternative name for \code{BuiltinFunction}.
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\end{datadesc}
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\begin{datadesc}{ModuleType}
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The type of modules.
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\end{datadesc}
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\begin{datadesc}{FileType}
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The type of open file objects such as \code{sys.stdout}.
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\end{datadesc}
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\begin{datadesc}{XRangeType}
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The type of range objects returned by \code{xrange()}.
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\end{datadesc}
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\begin{datadesc}{TracebackType}
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The type of traceback objects such as found in \code{sys.exc_traceback}.
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\end{datadesc}
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\begin{datadesc}{FrameType}
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The type of frame objects such as found in \code{tb.tb_frame} if
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\code{tb} is a traceback object.
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\end{datadesc}
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