#22613: fix several factual errors in builtin docs (thanks Jacques Ducasse)

This commit is contained in:
Georg Brandl 2014-10-31 09:41:46 +01:00
parent f0d2ed73ac
commit e4196d3f2e
3 changed files with 17 additions and 14 deletions

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@ -34,7 +34,8 @@ class or one of its subclasses, and not from :exc:`BaseException`. More
information on defining exceptions is available in the Python Tutorial under
:ref:`tut-userexceptions`.
When raising (or re-raising) an exception in an :keyword:`except` clause
When raising (or re-raising) an exception in an :keyword:`except` or
:keyword:`finally` clause
:attr:`__context__` is automatically set to the last exception caught; if the
new exception is not handled the traceback that is eventually displayed will
include the originating exception(s) and the final exception.

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@ -210,7 +210,7 @@ are always available. They are listed here in alphabetical order.
The optional arguments *flags* and *dont_inherit* control which future
statements (see :pep:`236`) affect the compilation of *source*. If neither
is present (or both are zero) the code is compiled with those future
statements that are in effect in the code that is calling compile. If the
statements that are in effect in the code that is calling :func:`compile`. If the
*flags* argument is given and *dont_inherit* is not (or is zero) then the
future statements specified by the *flags* argument are used in addition to
those that would be used anyway. If *dont_inherit* is a non-zero integer then
@ -231,6 +231,9 @@ are always available. They are listed here in alphabetical order.
This function raises :exc:`SyntaxError` if the compiled source is invalid,
and :exc:`TypeError` if the source contains null bytes.
If you want to parse Python code into its AST representation, see
:func:`ast.parse`.
.. note::
When compiling a string with multi-line code in ``'single'`` or
@ -539,7 +542,7 @@ are always available. They are listed here in alphabetical order.
effect as calling :func:`str(value) <str>`.
A call to ``format(value, format_spec)`` is translated to
``type(value).__format__(format_spec)`` which bypasses the instance
``type(value).__format__(value, format_spec)`` which bypasses the instance
dictionary when searching for the value's :meth:`__format__` method. A
:exc:`TypeError` exception is raised if the method search reaches
:mod:`object` and the *format_spec* is non-empty, or if either the

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@ -269,8 +269,8 @@ the same rule. [2]_ The constructors :func:`int`, :func:`float`, and
:func:`complex` can be used to produce numbers of a specific type.
All numeric types (except complex) support the following operations, sorted by
ascending priority (operations in the same box have the same priority; all
numeric operations have a higher priority than comparison operations):
ascending priority (all numeric operations have a higher priority than
comparison operations):
+---------------------+---------------------------------+---------+--------------------+
| Operation | Result | Notes | Full documentation |
@ -404,8 +404,7 @@ The priorities of the binary bitwise operations are all lower than the numeric
operations and higher than the comparisons; the unary operation ``~`` has the
same priority as the other unary numeric operations (``+`` and ``-``).
This table lists the bitwise operations sorted in ascending priority
(operations in the same box have the same priority):
This table lists the bitwise operations sorted in ascending priority:
+------------+--------------------------------+----------+
| Operation | Result | Notes |
@ -444,7 +443,7 @@ Additional Methods on Integer Types
-----------------------------------
The int type implements the :class:`numbers.Integral` :term:`abstract base
class`. In addition, it provides one more method:
class`. In addition, it provides a few more methods:
.. method:: int.bit_length()
@ -820,10 +819,10 @@ both mutable and immutable. The :class:`collections.abc.Sequence` ABC is
provided to make it easier to correctly implement these operations on
custom sequence types.
This table lists the sequence operations sorted in ascending priority
(operations in the same box have the same priority). In the table, *s* and *t*
are sequences of the same type, *n*, *i*, *j* and *k* are integers and *x* is
an arbitrary object that meets any type and value restrictions imposed by *s*.
This table lists the sequence operations sorted in ascending priority. In the
table, *s* and *t* are sequences of the same type, *n*, *i*, *j* and *k* are
integers and *x* is an arbitrary object that meets any type and value
restrictions imposed by *s*.
The ``in`` and ``not in`` operations have the same priorities as the
comparison operations. The ``+`` (concatenation) and ``*`` (repetition)
@ -4006,8 +4005,8 @@ before the statement body is executed and exited when the statement ends:
The exception passed in should never be reraised explicitly - instead, this
method should return a false value to indicate that the method completed
successfully and does not want to suppress the raised exception. This allows
context management code (such as ``contextlib.nested``) to easily detect whether
or not an :meth:`__exit__` method has actually failed.
context management code to easily detect whether or not an :meth:`__exit__`
method has actually failed.
Python defines several context managers to support easy thread synchronisation,
prompt closure of files or other objects, and simpler manipulation of the active