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Markup nits.

This commit is contained in:
Raymond Hettinger 2011-01-26 19:36:13 +00:00
parent bdd2d93bfe
commit e3b8f7c0fa
1 changed files with 25 additions and 17 deletions
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42
Doc/whatsnew/3.2.rst
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@ -954,19 +954,21 @@ datetime and time
Starting with Py3.2, use of the century guessing heuristic will emit a
:exc:`DeprecationWarning`. Instead, it is recommended that
:attr:`time.accept2dyear` be set to *False* so that large date ranges
can be used without guesswork:
can be used without guesswork::
>>> import time, warnings
>>> warnings.resetwarnings() # remove the default warning filters
>>> time.accept2dyear = True # guess whether 11 means 11 or 2011
>>> time.asctime((11, 1, 1, 12, 34, 56, 4, 1, 0))
Warning (from warnings module):
...
DeprecationWarning: Century info guessed for a 2-digit year.
'Fri Jan 1 12:34:56 2011'
>>> time.accept2dyear = False # use the full range of allowable dates
>>> time.asctime((11, 1, 1, 12, 34, 56, 4, 1, 0))
'Fri Jan 1 12:34:56 11'
>>> import time, warnings
>>> warnings.resetwarnings() # remove the default warning filters
>>> time.accept2dyear = True # guess whether 11 means 11 or 2011
>>> time.asctime((11, 1, 1, 12, 34, 56, 4, 1, 0))
Warning (from warnings module):
...
DeprecationWarning: Century info guessed for a 2-digit year.
'Fri Jan 1 12:34:56 2011'
>>> time.accept2dyear = False # use the full range of allowable dates
>>> time.asctime((11, 1, 1, 12, 34, 56, 4, 1, 0))
'Fri Jan 1 12:34:56 11'
Several functions now have significantly expanded date ranges. When
:attr:`time.accept2dyear` is false, the :func:`time.asctime` function will
@ -1080,7 +1082,7 @@ string.
To help write such :meth:`__repr__` methods, the :mod:`reprlib` module has a new
decorator, :func:`~reprlib.recursive_repr`, for detecting recursive calls to
:meth:`__repr__` and substituting a placeholder string instead:
:meth:`__repr__` and substituting a placeholder string instead::
>>> class MyList(list):
@recursive_repr()
@ -1235,9 +1237,9 @@ connection when done::
>>> from ftplib import FTP
>>> with FTP("ftp1.at.proftpd.org") as ftp:
... ftp.login()
... ftp.dir()
...
ftp.login()
ftp.dir()
'230 Anonymous login ok, restrictions apply.'
dr-xr-xr-x 9 ftp ftp 154 May 6 10:43 .
dr-xr-xr-x 9 ftp ftp 154 May 6 10:43 ..
@ -1321,11 +1323,13 @@ hashlib
The :mod:`hashlib` module has two new constant attributes listing the hashing
algorithms guaranteed to be present in all implementations and those available
on the current implementation:
on the current implementation::
>>> import hashlib
>>> hashlib.algorithms_guaranteed
{'sha1', 'sha224', 'sha384', 'sha256', 'sha512', 'md5'}
>>> hashlib.algorithms_available
{'md2', 'SHA256', 'SHA512', 'dsaWithSHA', 'mdc2', 'SHA224', 'MD4', 'sha256',
'sha512', 'ripemd160', 'SHA1', 'MDC2', 'SHA', 'SHA384', 'MD2',
@ -1345,6 +1349,7 @@ the builtin :func:`eval` function which is easily abused. Python 3.2 adds
strings, bytes, numbers, tuples, lists, dicts, sets, booleans, and None.
::
>>> from ast import literal_request
>>> request = "{'req': 3, 'func': 'pow', 'args': (2, 0.5)}"
@ -1406,17 +1411,20 @@ step is non-destructive (the original files are left unchanged).
::
>>> import shutil, pprint
>>> os.chdir('mydata') # change to the source directory
>>> f = make_archive('/var/backup/mydata', 'zip') # archive the current directory
>>> f # show the name of archive
'/var/backup/mydata.zip'
>>> os.chdir('tmp') # change to an unpacking
>>> shutil.unpack_archive('/var/backup/mydata.zip') # recover the data
>>> pprint.pprint(shutil.get_archive_formats()) # display known formats
[('bztar', "bzip2'ed tar-file"),
('gztar', "gzip'ed tar-file"),
('tar', 'uncompressed tar file'),
('zip', 'ZIP file')]
>>> shutil.register_archive_format( # register a new archive format
name = 'xz',
function = 'xz.compress',