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Merged changes from the 1.5.2p2 release.

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Fred Drake 2000-04-03 04:51:13 +00:00
parent 20082d92f2
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14 changed files with 371 additions and 201 deletions
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Doc/ref/ref3.tex
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@ -144,7 +144,6 @@ arithmetic operators and arithmetic built-in functions. Numeric
objects are immutable; once created their value never changes. Python
numbers are of course strongly related to mathematical numbers, but
subject to the limitations of numerical representation in computers.
\obindex{number}
\obindex{numeric}
Python distinguishes between integers and floating point numbers:
@ -162,7 +161,7 @@ There are two types of integers:
These represent numbers in the range -2147483648 through 2147483647.
(The range may be larger on machines with a larger natural word
size, but not smaller.)
When the result of an operation falls outside this range, the
When the result of an operation would fall outside this range, the
exception \exception{OverflowError} is raised.
For the purpose of shift and mask operations, integers are assumed to
have a binary, 2's complement notation using 32 or more bits, and
@ -221,7 +220,7 @@ number of items of a sequence.
When the lenth of a sequence is \var{n}, the
index set contains the numbers 0, 1, \ldots, \var{n}-1. Item
\var{i} of sequence \var{a} is selected by \code{\var{a}[\var{i}]}.
\obindex{seqence}
\obindex{sequence}
\index{index operation}
\index{item selection}
\index{subscription}
@ -618,7 +617,7 @@ instance dictionary directly.
Class instances can pretend to be numbers, sequences, or mappings if
they have methods with certain special names. See
section \ref{specialnames}, ``Special method names.''
\obindex{number}
\obindex{numeric}
\obindex{sequence}
\obindex{mapping}
@ -702,15 +701,14 @@ a number of flags for the interpreter.
\ttindex{co_stacksize}
\ttindex{co_varnames}}
The following flag bits are defined for \member{co_flags}: bit 2 is set
if the function uses the \samp{*arguments} syntax to accept an
arbitrary number of positional arguments; bit 3 is set if the function
uses the \samp{**keywords} syntax to accept arbitrary keyword
arguments; other bits are used internally or reserved for future use.
If a code object represents a function, the first item in
\member{co_consts} is the documentation string of the
function, or \code{None} if undefined.
\index{documentation string}
The following flag bits are defined for \member{co_flags}: bit
\code{0x04} is set if the function uses the \samp{*arguments} syntax
to accept an arbitrary number of positional arguments; bit
\code{0x08} is set if the function uses the \samp{**keywords} syntax
to accept arbitrary keyword arguments; other bits are used internally
or reserved for future use. If\index{documentation string} a code
object represents a function, the first item in \member{co_consts} is
the documentation string of the function, or \code{None} if undefined.
\item[Frame objects]
Frame objects represent execution frames. They may occur in traceback
@ -1098,10 +1096,13 @@ three methods.
Called to implement evaluation of \code{\var{self}[\var{i}:\var{j}]}.
The returned object should be of the same type as \var{self}. Note
that missing \var{i} or \var{j} in the slice expression are replaced
by zero or \code{sys.maxint}, respectively, and no further
transformations on the indices is performed. The interpretation of
negative indices and indices larger than the length of the sequence is
up to the method.
by zero or \code{sys.maxint}, respectively. If negative indexes are
used in the slice, the length of the sequence is added to that index.
If the instance does not implement the \method{__len__()} method, an
\exception{AttributeError} is raised.
No guarantee is made that indexes adjusted this way are not still
negative. Indexes which are greater than the length of the sequence
are not modified.
\end{methoddesc}
\begin{methoddesc}[sequence object]{__setslice__}{self, i, j, sequence}