Add a few imports to examples.
diff --git a/Doc/whatsnew/3.2.rst b/Doc/whatsnew/3.2.rst
index 420173a..e4104d3 100644
--- a/Doc/whatsnew/3.2.rst
+++ b/Doc/whatsnew/3.2.rst
@@ -260,8 +260,8 @@
A simple of example of :class:`~concurrent.futures.ThreadPoolExecutor` is a
launch of four parallel threads for copying files::
- import shutil
- with ThreadPoolExecutor(max_workers=4) as e:
+ import threading, shutil
+ with threading.ThreadPoolExecutor(max_workers=4) as e:
e.submit(shutil.copy, 'src1.txt', 'dest1.txt')
e.submit(shutil.copy, 'src2.txt', 'dest2.txt')
e.submit(shutil.copy, 'src3.txt', 'dest3.txt')
@@ -712,6 +712,7 @@
For example, adding a caching decorator to a database query function can save
database accesses for popular searches:
+ >>> import functools
>>> @functools.lru_cache(maxsize=300)
>>> def get_phone_number(name):
c = conn.cursor()
@@ -928,13 +929,15 @@
* The :mod:`datetime` module has a new type :class:`~datetime.timezone` that
implements the :class:`~datetime.tzinfo` interface by returning a fixed UTC
offset and timezone name. This makes it easier to create timezone-aware
- datetime objects:
+ datetime objects::
- >>> datetime.now(timezone.utc)
- datetime.datetime(2010, 12, 8, 21, 4, 2, 923754, tzinfo=datetime.timezone.utc)
+ >>> import datetime
- >>> datetime.strptime("01/01/2000 12:00 +0000", "%m/%d/%Y %H:%M %z")
- datetime.datetime(2000, 1, 1, 12, 0, tzinfo=datetime.timezone.utc)
+ >>> datetime.now(timezone.utc)
+ datetime.datetime(2010, 12, 8, 21, 4, 2, 923754, tzinfo=datetime.timezone.utc)
+
+ >>> datetime.strptime("01/01/2000 12:00 +0000", "%m/%d/%Y %H:%M %z")
+ datetime.datetime(2000, 1, 1, 12, 0, tzinfo=datetime.timezone.utc)
* Also, :class:`~datetime.timedelta` objects can now be multiplied by
:class:`float` and divided by :class:`float` and :class:`int` objects.
@@ -953,6 +956,7 @@
:attr:`time.accept2dyear` be set to *False* so that large date ranges
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))
@@ -1044,13 +1048,13 @@
view of the data without making a copy. The buffer's random access and support
for slice notation are well-suited to in-place editing::
- import io
+ >>> REC_LEN, LOC_START, LOC_LEN = 34, 7, 11
- REC_LEN, LOC_START, LOC_LEN = 34, 7, 11
+ >>> def change_location(buffer, record_number, location):
+ start = record_number * REC_LEN + LOC_START
+ buffer[start: start+LOC_LEN] = location
- def change_location(buffer, record_number, location):
- start = record_number * REC_LEN + LOC_START
- buffer[start: start+LOC_LEN] = location
+ >>> import io
>>> byte_stream = io.BytesIO(
b'G3805 storeroom Main chassis '
@@ -1138,8 +1142,11 @@
:func:`~contextlib.contextmanager` provides both capabilities in a single
definition::
+ from contextlib import contextmanager
import logging
+
logging.basicConfig(level=logging.INFO)
+
@contextmanager
def track_entry_and_exit(name):
logging.info('Entering: {}'.format(name))
@@ -1338,6 +1345,7 @@
strings, bytes, numbers, tuples, lists, dicts, sets, booleans, and None.
::
+ >>> from ast import literal_request
>>> request = "{'req': 3, 'func': 'pow', 'args': (2, 0.5)}"
>>> literal_eval(request)
@@ -1534,6 +1542,9 @@
(Contributed by Lorenzo M. Catucci and Antoine Pitrou, :issue:`4471`.)
.. XXX sys._xoptions http://bugs.python.org/issue10089
+.. XXX perhaps add issue numbers back to datetime
+.. XXX more research on attributions
+.. XXX tarfile
unittest
--------
@@ -1735,7 +1746,7 @@
object. The former returns a string and the latter prints it::
>>> import dis, random
- >>> show_code(random.choice)
+ >>> dis.show_code(random.choice)
Name: choice
Filename: /Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/random.py
Argument count: 2
@@ -1787,6 +1798,7 @@
::
+ >>> import site
>>> site.getsitepackages()
['/Library/Frameworks/Python.framework/Versions/3.2/lib/python3.2/site-packages',
'/Library/Frameworks/Python.framework/Versions/3.2/lib/site-python',