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authorAlexandre Vassalotti <alexandre@peadrop.com>2008-05-15 22:51:26 (GMT)
committerAlexandre Vassalotti <alexandre@peadrop.com>2008-05-15 22:51:26 (GMT)
commita79e33e039530e5ca62f5dc19981cf76f4dcf824 (patch)
tree86e4ab28a152b7556ede0e27ba4310a7293cd0b4 /Doc
parent6461e10158db1f1d41dc9449e233551b2889ebb5 (diff)
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Merged revisions 62954-62959,62961,62963-62967,62969-62970,62972-62973,62975-62976,62978-62982,62984,62987-62996 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r62954 | martin.v.loewis | 2008-05-09 16:11:37 -0400 (Fri, 09 May 2008) | 1 line Port to VS 2008. Drop W9x support. ........ r62957 | benjamin.peterson | 2008-05-09 17:30:26 -0400 (Fri, 09 May 2008) | 2 lines In stdtypes.rst, move methods under class directives where applicable ........ r62958 | brett.cannon | 2008-05-09 17:30:36 -0400 (Fri, 09 May 2008) | 2 lines Add a todo list to the module deletion command. ........ r62963 | brett.cannon | 2008-05-09 18:52:28 -0400 (Fri, 09 May 2008) | 2 lines Add support for extension modules in 3.0 deprection command. ........ r62967 | brett.cannon | 2008-05-09 22:25:00 -0400 (Fri, 09 May 2008) | 2 lines Fix some errors in the deprecation warnings for new and user. ........ r62975 | brett.cannon | 2008-05-09 22:54:52 -0400 (Fri, 09 May 2008) | 3 lines Suppress deprecations for packages as well when using test.test_support.import_module(). ........ r62976 | brett.cannon | 2008-05-09 22:57:03 -0400 (Fri, 09 May 2008) | 2 lines Also ignore package deprecations. ........ r62982 | benjamin.peterson | 2008-05-09 23:08:17 -0400 (Fri, 09 May 2008) | 2 lines Add the examples in the json module docstring as a doctest ........ r62992 | martin.v.loewis | 2008-05-10 09:24:09 -0400 (Sat, 10 May 2008) | 2 lines Explicitly refer to current hhp file (2.6a3) ........ r62993 | skip.montanaro | 2008-05-10 10:48:49 -0400 (Sat, 10 May 2008) | 2 lines Note the PyPI-edness of bsddb185 for people who might still need it. ........ r62994 | andrew.kuchling | 2008-05-10 13:36:24 -0400 (Sat, 10 May 2008) | 1 line Docstring typo ........ r62995 | andrew.kuchling | 2008-05-10 13:37:05 -0400 (Sat, 10 May 2008) | 1 line Document the 'line' argument ........ r62996 | andrew.kuchling | 2008-05-10 13:48:45 -0400 (Sat, 10 May 2008) | 1 line #1625509: describe behaviour of import lock ........
Diffstat (limited to 'Doc')
-rw-r--r--Doc/library/imp.rst8
-rw-r--r--Doc/library/stdtypes.rst326
-rw-r--r--Doc/library/warnings.rst7
3 files changed, 177 insertions, 164 deletions
diff --git a/Doc/library/imp.rst b/Doc/library/imp.rst
index ac1b14b..e245a0c 100644
--- a/Doc/library/imp.rst
+++ b/Doc/library/imp.rst
@@ -112,10 +112,16 @@ This module provides an interface to the mechanisms used to implement the
.. function:: acquire_lock()
- Acquires the interpreter's import lock for the current thread. This lock should
+ Acquire the interpreter's import lock for the current thread. This lock should
be used by import hooks to ensure thread-safety when importing modules. On
platforms without threads, this function does nothing.
+ Once a thread has acquired the import lock, the same thread may acquire it
+ again without blocking; the thread must release it once for each time it has
+ acquired it.
+
+ On platforms without threads, this function does nothing.
+
.. function:: release_lock()
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index 9e06a22..ce6aab3 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -1458,159 +1458,160 @@ The constructors for both classes work the same:
sets, the inner sets must be :class:`frozenset` objects. If *iterable* is
not specified, a new empty set is returned.
-Instances of :class:`set` and :class:`frozenset` provide the following
-operations:
+ Instances of :class:`set` and :class:`frozenset` provide the following
+ operations:
-.. describe:: len(s)
+ .. describe:: len(s)
- Return the cardinality of set *s*.
+ Return the cardinality of set *s*.
-.. describe:: x in s
+ .. describe:: x in s
- Test *x* for membership in *s*.
+ Test *x* for membership in *s*.
-.. describe:: x not in s
+ .. describe:: x not in s
- Test *x* for non-membership in *s*.
+ Test *x* for non-membership in *s*.
-.. method:: set.isdisjoint(other)
+ .. method:: isdisjoint(other)
- Return True if the set has no elements in common with *other*.
- Sets are disjoint if and only if their interesection is the empty set.
+ Return True if the set has no elements in common with *other*. Sets are
+ disjoint if and only if their interesection is the empty set.
-.. method:: set.issubset(other)
- set <= other
+ .. method:: issubset(other)
+ set <= other
- Test whether every element in the set is in *other*.
+ Test whether every element in the set is in *other*.
-.. method:: set < other
+ .. method:: set < other
- Test whether the set is a true subset of *other*, that is,
- ``set <= other and set != other``.
+ Test whether the set is a true subset of *other*, that is,
+ ``set <= other and set != other``.
-.. method:: set.issuperset(other)
- set >= other
+ .. method:: issuperset(other)
+ set >= other
- Test whether every element in *other* is in the set.
+ Test whether every element in *other* is in the set.
-.. method:: set > other
+ .. method:: set > other
- Test whether the set is a true superset of *other*, that is,
- ``set >= other and set != other``.
+ Test whether the set is a true superset of *other*, that is, ``set >=
+ other and set != other``.
-.. method:: set.union(other)
- set | other
+ .. method:: union(other)
+ set | other
- Return a new set with elements from both sets.
+ Return a new set with elements from both sets.
-.. method:: set.intersection(other)
- set & other
+ .. method:: intersection(other)
+ set & other
- Return a new set with elements common to both sets.
+ Return a new set with elements common to both sets.
-.. method:: set.difference(other)
- set - other
+ .. method:: difference(other)
+ set - other
- Return a new set with elements in the set that are not in *other*.
+ Return a new set with elements in the set that are not in *other*.
-.. method:: set.symmetric_difference(other)
- set ^ other
+ .. method:: symmetric_difference(other)
+ set ^ other
- Return a new set with elements in either the set or *other* but not both.
+ Return a new set with elements in either the set or *other* but not both.
-.. method:: set.copy()
+ .. method:: copy()
- Return a new set with a shallow copy of *s*.
+ Return a new set with a shallow copy of *s*.
-Note, the non-operator versions of :meth:`union`, :meth:`intersection`,
-:meth:`difference`, and :meth:`symmetric_difference`, :meth:`issubset`, and
-:meth:`issuperset` methods will accept any iterable as an argument. In
-contrast, their operator based counterparts require their arguments to be sets.
-This precludes error-prone constructions like ``set('abc') & 'cbs'`` in favor of
-the more readable ``set('abc').intersection('cbs')``.
+ Note, the non-operator versions of :meth:`union`, :meth:`intersection`,
+ :meth:`difference`, and :meth:`symmetric_difference`, :meth:`issubset`, and
+ :meth:`issuperset` methods will accept any iterable as an argument. In
+ contrast, their operator based counterparts require their arguments to be
+ sets. This precludes error-prone constructions like ``set('abc') & 'cbs'``
+ in favor of the more readable ``set('abc').intersection('cbs')``.
-Both :class:`set` and :class:`frozenset` support set to set comparisons. Two
-sets are equal if and only if every element of each set is contained in the
-other (each is a subset of the other). A set is less than another set if and
-only if the first set is a proper subset of the second set (is a subset, but is
-not equal). A set is greater than another set if and only if the first set is a
-proper superset of the second set (is a superset, but is not equal).
+ Both :class:`set` and :class:`frozenset` support set to set comparisons. Two
+ sets are equal if and only if every element of each set is contained in the
+ other (each is a subset of the other). A set is less than another set if and
+ only if the first set is a proper subset of the second set (is a subset, but
+ is not equal). A set is greater than another set if and only if the first set
+ is a proper superset of the second set (is a superset, but is not equal).
-Instances of :class:`set` are compared to instances of :class:`frozenset` based
-on their members. For example, ``set('abc') == frozenset('abc')`` returns
-``True`` and so does ``set('abc') in set([frozenset('abc')])``.
+ Instances of :class:`set` are compared to instances of :class:`frozenset`
+ based on their members. For example, ``set('abc') == frozenset('abc')``
+ returns ``True`` and so does ``set('abc') in set([frozenset('abc')])``.
-The subset and equality comparisons do not generalize to a complete ordering
-function. For example, any two disjoint sets are not equal and are not subsets
-of each other, so *all* of the following return ``False``: ``a<b``, ``a==b``,
-or ``a>b``. Accordingly, sets do not implement the :meth:`__cmp__` method.
+ The subset and equality comparisons do not generalize to a complete ordering
+ function. For example, any two disjoint sets are not equal and are not
+ subsets of each other, so *all* of the following return ``False``: ``a<b``,
+ ``a==b``, or ``a>b``. Accordingly, sets do not implement the :meth:`__cmp__`
+ method.
-Since sets only define partial ordering (subset relationships), the output of
-the :meth:`list.sort` method is undefined for lists of sets.
+ Since sets only define partial ordering (subset relationships), the output of
+ the :meth:`list.sort` method is undefined for lists of sets.
-Set elements, like dictionary keys, must be :term:`hashable`.
+ Set elements, like dictionary keys, must be :term:`hashable`.
-Binary operations that mix :class:`set` instances with :class:`frozenset` return
-the type of the first operand. For example: ``frozenset('ab') | set('bc')``
-returns an instance of :class:`frozenset`.
+ Binary operations that mix :class:`set` instances with :class:`frozenset`
+ return the type of the first operand. For example: ``frozenset('ab') |
+ set('bc')`` returns an instance of :class:`frozenset`.
-The following table lists operations available for :class:`set` that do not
-apply to immutable instances of :class:`frozenset`:
+ The following table lists operations available for :class:`set` that do not
+ apply to immutable instances of :class:`frozenset`:
-.. method:: set.update(other)
- set |= other
+ .. method:: update(other)
+ set |= other
- Update the set, adding elements from *other*.
+ Update the set, adding elements from *other*.
-.. method:: set.intersection_update(other)
- set &= other
+ .. method:: intersection_update(other)
+ set &= other
- Update the set, keeping only elements found in it and *other*.
+ Update the set, keeping only elements found in it and *other*.
-.. method:: set.difference_update(other)
- set -= other
+ .. method:: difference_update(other)
+ set -= other
- Update the set, removing elements found in *other*.
+ Update the set, removing elements found in *other*.
-.. method:: set.symmetric_difference_update(other)
- set ^= other
+ .. method:: symmetric_difference_update(other)
+ set ^= other
- Update the set, keeping only elements found in either set, but not in both.
+ Update the set, keeping only elements found in either set, but not in both.
-.. method:: set.add(elem)
+ .. method:: add(elem)
- Add element *elem* to the set.
+ Add element *elem* to the set.
-.. method:: set.remove(elem)
+ .. method:: remove(elem)
- Remove element *elem* from the set. Raises :exc:`KeyError` if *elem* is not
- contained in the set.
+ Remove element *elem* from the set. Raises :exc:`KeyError` if *elem* is
+ not contained in the set.
-.. method:: set.discard(elem)
+ .. method:: discard(elem)
- Remove element *elem* from the set if it is present.
+ Remove element *elem* from the set if it is present.
-.. method:: set.pop()
+ .. method:: pop()
- Remove and return an arbitrary element from the set. Raises :exc:`KeyError`
- if the set is empty.
+ Remove and return an arbitrary element from the set. Raises
+ :exc:`KeyError` if the set is empty.
-.. method:: set.clear()
+ .. method:: clear()
- Remove all elements from the set.
+ Remove all elements from the set.
-Note, the non-operator versions of the :meth:`update`,
-:meth:`intersection_update`, :meth:`difference_update`, and
-:meth:`symmetric_difference_update` methods will accept any iterable as an
-argument.
+ Note, the non-operator versions of the :meth:`update`,
+ :meth:`intersection_update`, :meth:`difference_update`, and
+ :meth:`symmetric_difference_update` methods will accept any iterable as an
+ argument.
-Note, the *elem* argument to the :meth:`__contains__`, :meth:`remove`, and
-:meth:`discard` methods may be a set. To support searching for an equivalent
-frozenset, the *elem* set is temporarily mutated during the search and then
-restored. During the search, the *elem* set should not be read or mutated
-since it does not have a meaningful value.
+ Note, the *elem* argument to the :meth:`__contains__`, :meth:`remove`, and
+ :meth:`discard` methods may be a set. To support searching for an equivalent
+ frozenset, the *elem* set is temporarily mutated during the search and then
+ restored. During the search, the *elem* set should not be read or mutated
+ since it does not have a meaningful value.
.. _typesmapping:
@@ -1674,108 +1675,109 @@ pairs within braces, for example: ``{'jack': 4098, 'sjoerd': 4127}`` or ``{4098:
others work with any valid keys.
-These are the operations that dictionaries support (and therefore, custom mapping
-types should support too):
+ These are the operations that dictionaries support (and therefore, custom
+ mapping types should support too):
-.. describe:: len(d)
+ .. describe:: len(d)
- Return the number of items in the dictionary *d*.
+ Return the number of items in the dictionary *d*.
-.. describe:: d[key]
+ .. describe:: d[key]
- Return the item of *d* with key *key*. Raises a :exc:`KeyError` if *key* is
- not in the map.
-
- If a subclass of dict defines a method :meth:`__missing__`, if the key *key*
- is not present, the ``d[key]`` operation calls that method with the key *key*
- as argument. The ``d[key]`` operation then returns or raises whatever is
- returned or raised by the ``__missing__(key)`` call if the key is not
- present. No other operations or methods invoke :meth:`__missing__`. If
- :meth:`__missing__` is not defined, :exc:`KeyError` is raised.
- :meth:`__missing__` must be a method; it cannot be an instance variable. For
- an example, see :class:`collections.defaultdict`.
+ Return the item of *d* with key *key*. Raises a :exc:`KeyError` if *key* is
+ not in the map.
+
+ If a subclass of dict defines a method :meth:`__missing__`, if the key *key*
+ is not present, the ``d[key]`` operation calls that method with the key *key*
+ as argument. The ``d[key]`` operation then returns or raises whatever is
+ returned or raised by the ``__missing__(key)`` call if the key is not
+ present. No other operations or methods invoke :meth:`__missing__`. If
+ :meth:`__missing__` is not defined, :exc:`KeyError` is raised.
+ :meth:`__missing__` must be a method; it cannot be an instance variable. For
+ an example, see :class:`collections.defaultdict`.
-.. describe:: d[key] = value
+ .. describe:: d[key] = value
- Set ``d[key]`` to *value*.
+ Set ``d[key]`` to *value*.
-.. describe:: del d[key]
+ .. describe:: del d[key]
- Remove ``d[key]`` from *d*. Raises a :exc:`KeyError` if *key* is not in the
- map.
+ Remove ``d[key]`` from *d*. Raises a :exc:`KeyError` if *key* is not in the
+ map.
-.. describe:: key in d
+ .. describe:: key in d
- Return ``True`` if *d* has a key *key*, else ``False``.
+ Return ``True`` if *d* has a key *key*, else ``False``.
-.. describe:: key not in d
+ .. describe:: key not in d
- Equivalent to ``not key in d``.
+ Equivalent to ``not key in d``.
-.. method:: dict.clear()
+ .. method:: clear()
- Remove all items from the dictionary.
+ Remove all items from the dictionary.
-.. method:: dict.copy()
+ .. method:: copy()
- Return a shallow copy of the dictionary.
+ Return a shallow copy of the dictionary.
-.. method:: dict.fromkeys(seq[, value])
+ .. method:: fromkeys(seq[, value])
- Create a new dictionary with keys from *seq* and values set to *value*.
+ Create a new dictionary with keys from *seq* and values set to *value*.
- :func:`fromkeys` is a class method that returns a new dictionary. *value*
- defaults to ``None``.
+ :meth:`fromkeys` is a class method that returns a new dictionary. *value*
+ defaults to ``None``.
-.. method:: dict.get(key[, default])
+ .. method:: get(key[, default])
- Return the value for *key* if *key* is in the dictionary, else *default*. If
- *default* is not given, it defaults to ``None``, so that this method never
- raises a :exc:`KeyError`.
+ Return the value for *key* if *key* is in the dictionary, else *default*.
+ If *default* is not given, it defaults to ``None``, so that this method
+ never raises a :exc:`KeyError`.
-.. method:: dict.items()
+ .. method:: items()
- Return a new view of the dictionary's items (``(key, value)`` pairs). See
- below for documentation of view objects.
+ Return a new view of the dictionary's items (``(key, value)`` pairs). See
+ below for documentation of view objects.
-.. method:: dict.keys()
+ .. method:: keys()
- Return a new view of the dictionary's keys. See below for documentation of
- view objects.
+ Return a new view of the dictionary's keys. See below for documentation of
+ view objects.
-.. method:: dict.pop(key[, default])
+ .. method:: pop(key[, default])
- If *key* is in the dictionary, remove it and return its value, else return
- *default*. If *default* is not given and *key* is not in the dictionary, a
- :exc:`KeyError` is raised.
+ If *key* is in the dictionary, remove it and return its value, else return
+ *default*. If *default* is not given and *key* is not in the dictionary,
+ a :exc:`KeyError` is raised.
-.. method:: dict.popitem()
+ .. method:: popitem()
- Remove and return an arbitrary ``(key, value)`` pair from the dictionary.
+ Remove and return an arbitrary ``(key, value)`` pair from the dictionary.
- :func:`popitem` is useful to destructively iterate over a dictionary, as
- often used in set algorithms. If the dictionary is empty, calling
- :func:`popitem` raises a :exc:`KeyError`.
+ :meth:`popitem` is useful to destructively iterate over a dictionary, as
+ often used in set algorithms. If the dictionary is empty, calling
+ :meth:`popitem` raises a :exc:`KeyError`.
-.. method:: dict.setdefault(key[, default])
+ .. method:: setdefault(key[, default])
- If *key* is in the dictionary, return its value. If not, insert *key* with
- a value of *default* and return *default*. *default* defaults to ``None``.
+ If *key* is in the dictionary, return its value. If not, insert *key*
+ with a value of *default* and return *default*. *default* defaults to
+ ``None``.
-.. method:: dict.update([other])
+ .. method:: update([other])
- Update the dictionary with the key/value pairs from *other*, overwriting
- existing keys. Return ``None``.
+ Update the dictionary with the key/value pairs from *other*, overwriting
+ existing keys. Return ``None``.
- :func:`update` accepts either another dictionary object or an iterable of
- key/value pairs (as a tuple or other iterable of length two). If keyword
- arguments are specified, the dictionary is then is updated with those
- key/value pairs: ``d.update(red=1, blue=2)``.
+ :meth:`update` accepts either another dictionary object or an iterable of
+ key/value pairs (as a tuple or other iterable of length two). If keyword
+ arguments are specified, the dictionary is then is updated with those
+ key/value pairs: ``d.update(red=1, blue=2)``.
-.. method:: dict.values()
+ .. method:: values()
- Return a new view of the dictionary's values. See below for documentation of
- view objects.
+ Return a new view of the dictionary's values. See below for documentation of
+ view objects.
Dictionary view objects
diff --git a/Doc/library/warnings.rst b/Doc/library/warnings.rst
index 48a343c..27acc71 100644
--- a/Doc/library/warnings.rst
+++ b/Doc/library/warnings.rst
@@ -209,12 +209,17 @@ Available Functions
resulting string to *file*, which defaults to ``sys.stderr``. You may replace
this function with an alternative implementation by assigning to
``warnings.showwarning``.
+ *line* is a line of source code to be included in the warning
+ message; if *line* is not supplied, :func:`showwarning` will
+ try to read the line specified by *filename* and *lineno*.
.. function:: formatwarning(message, category, filename, lineno[, line])
Format a warning the standard way. This returns a string which may contain
- embedded newlines and ends in a newline.
+ embedded newlines and ends in a newline. *line* is
+ a line of source code to be included in the warning message; if *line* is not supplied,
+ :func:`formatwarning` will try to read the line specified by *filename* and *lineno*.
.. function:: filterwarnings(action[, message[, category[, module[, lineno[, append]]]]])