[3.13] Docs: replace all datetime imports with import datetime as dt (GH-145640) (#146259)

Docs: replace all `datetime` imports with `import datetime as dt` (GH-145640)
(cherry picked from commit 83360b5)

Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>

Author: miss-islington

Doc/howto/enum.rst

@@ -105,8 +105,8 @@ The complete :class:`!Weekday` enum now looks like this::
 
 Now we can find out what today is!  Observe::
 
-    >>> from datetime import date
-    >>> Weekday.from_date(date.today())     # doctest: +SKIP
+    >>> import datetime as dt
+    >>> Weekday.from_date(dt.date.today())     # doctest: +SKIP
     <Weekday.TUESDAY: 2>
 
 Of course, if you're reading this on some other day, you'll see that day instead.
@@ -1538,8 +1538,8 @@ TimePeriod
 
 An example to show the :attr:`~Enum._ignore_` attribute in use::
 
-    >>> from datetime import timedelta
-    >>> class Period(timedelta, Enum):
+    >>> import datetime as dt
+    >>> class Period(dt.timedelta, Enum):
     ...     "different lengths of time"
     ...     _ignore_ = 'Period i'
     ...     Period = vars()

Doc/howto/logging-cookbook.rst

@@ -1536,10 +1536,10 @@ to this (remembering to first import :mod:`concurrent.futures`)::
         for i in range(10):
             executor.submit(worker_process, queue, worker_configurer)
 
-Deploying Web applications using Gunicorn and uWSGI
+Deploying web applications using Gunicorn and uWSGI
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-When deploying Web applications using `Gunicorn <https://gunicorn.org/>`_ or `uWSGI
+When deploying web applications using `Gunicorn <https://gunicorn.org/>`_ or `uWSGI
 <https://uwsgi-docs.readthedocs.io/en/latest/>`_ (or similar), multiple worker
 processes are created to handle client requests. In such environments, avoid creating
 file-based handlers directly in your web application. Instead, use a
@@ -3606,7 +3606,6 @@ detailed information.
 
 .. code-block:: python3
 
-    import datetime
     import logging
     import random
     import sys
@@ -3841,15 +3840,15 @@ Logging to syslog with RFC5424 support
 Although :rfc:`5424` dates from 2009, most syslog servers are configured by default to
 use the older :rfc:`3164`, which hails from 2001. When ``logging`` was added to Python
 in 2003, it supported the earlier (and only existing) protocol at the time. Since
-RFC5424 came out, as there has not been widespread deployment of it in syslog
+RFC 5424 came out, as there has not been widespread deployment of it in syslog
 servers, the :class:`~logging.handlers.SysLogHandler` functionality has not been
 updated.
 
 RFC 5424 contains some useful features such as support for structured data, and if you
 need to be able to log to a syslog server with support for it, you can do so with a
 subclassed handler which looks something like this::
 
-    import datetime
+    import datetime as dt
     import logging.handlers
     import re
     import socket
@@ -3867,7 +3866,7 @@ subclassed handler which looks something like this::
 
         def format(self, record):
             version = 1
-            asctime = datetime.datetime.fromtimestamp(record.created).isoformat()
+            asctime = dt.datetime.fromtimestamp(record.created).isoformat()
             m = self.tz_offset.match(time.strftime('%z'))
             has_offset = False
             if m and time.timezone:

Doc/includes/diff.py

@@ -1,4 +1,4 @@
-""" Command line interface to difflib.py providing diffs in four formats:
+""" Command-line interface to difflib.py providing diffs in four formats:
 
 * ndiff:    lists every line and highlights interline changes.
 * context:  highlights clusters of changes in a before/after format.
@@ -8,11 +8,11 @@
 """
 
 import sys, os, difflib, argparse
-from datetime import datetime, timezone
+import datetime as dt
 
 def file_mtime(path):
-    t = datetime.fromtimestamp(os.stat(path).st_mtime,
-                               timezone.utc)
+    t = dt.datetime.fromtimestamp(os.stat(path).st_mtime,
+                                  dt.timezone.utc)
     return t.astimezone().isoformat()
 
 def main():

Doc/library/asyncio-eventloop.rst

@@ -4,7 +4,7 @@
 .. _asyncio-event-loop:
 
 ==========
-Event Loop
+Event loop
 ==========
 
 **Source code:** :source:`Lib/asyncio/events.py`,
@@ -99,7 +99,7 @@ This documentation page contains the following sections:
 
 .. _asyncio-event-loop-methods:
 
-Event Loop Methods
+Event loop methods
 ==================
 
 Event loops have **low-level** APIs for the following:
@@ -355,7 +355,7 @@ clocks to track time.
    The :func:`asyncio.sleep` function.
 
 
-Creating Futures and Tasks
+Creating futures and tasks
 ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 .. method:: loop.create_future()
@@ -946,7 +946,7 @@ Transferring files
    .. versionadded:: 3.7
 
 
-TLS Upgrade
+TLS upgrade
 ^^^^^^^^^^^
 
 .. method:: loop.start_tls(transport, protocol, \
@@ -1408,7 +1408,7 @@ Executing code in thread or process pools
       :class:`~concurrent.futures.ThreadPoolExecutor`.
 
 
-Error Handling API
+Error handling API
 ^^^^^^^^^^^^^^^^^^
 
 Allows customizing how exceptions are handled in the event loop.
@@ -1511,7 +1511,7 @@ Enabling debug mode
    The :ref:`debug mode of asyncio <asyncio-debug-mode>`.
 
 
-Running Subprocesses
+Running subprocesses
 ^^^^^^^^^^^^^^^^^^^^
 
 Methods described in this subsections are low-level.  In regular
@@ -1649,7 +1649,7 @@ async/await code consider using the high-level
    are going to be used to construct shell commands.
 
 
-Callback Handles
+Callback handles
 ================
 
 .. class:: Handle
@@ -1692,7 +1692,7 @@ Callback Handles
       .. versionadded:: 3.7
 
 
-Server Objects
+Server objects
 ==============
 
 Server objects are created by :meth:`loop.create_server`,
@@ -1835,7 +1835,7 @@ Do not instantiate the :class:`Server` class directly.
 .. _asyncio-event-loops:
 .. _asyncio-event-loop-implementations:
 
-Event Loop Implementations
+Event loop implementations
 ==========================
 
 asyncio ships with two different event loop implementations:
@@ -1949,10 +1949,10 @@ callback uses the :meth:`loop.call_later` method to reschedule itself
 after 5 seconds, and then stops the event loop::
 
     import asyncio
-    import datetime
+    import datetime as dt
 
     def display_date(end_time, loop):
-        print(datetime.datetime.now())
+        print(dt.datetime.now())
         if (loop.time() + 1.0) < end_time:
             loop.call_later(1, display_date, end_time, loop)
         else:

Doc/library/asyncio-protocol.rst

@@ -1037,7 +1037,7 @@ The subprocess is created by the :meth:`loop.subprocess_exec` method::
         # low-level APIs.
         loop = asyncio.get_running_loop()
 
-        code = 'import datetime; print(datetime.datetime.now())'
+        code = 'import datetime as dt; print(dt.datetime.now())'
         exit_future = asyncio.Future(loop=loop)
 
         # Create the subprocess controlled by DateProtocol;

Doc/library/asyncio-subprocess.rst

@@ -371,7 +371,7 @@ function::
     import sys
 
     async def get_date():
-        code = 'import datetime; print(datetime.datetime.now())'
+        code = 'import datetime as dt; print(dt.datetime.now())'
 
         # Create the subprocess; redirect the standard output
         # into a pipe.

Doc/library/asyncio-task.rst

@@ -2,7 +2,7 @@
 
 
 ====================
-Coroutines and Tasks
+Coroutines and tasks
 ====================
 
 This section outlines high-level asyncio APIs to work with coroutines
@@ -231,7 +231,7 @@ A good example of a low-level function that returns a Future object
 is :meth:`loop.run_in_executor`.
 
 
-Creating Tasks
+Creating tasks
 ==============
 
 **Source code:** :source:`Lib/asyncio/tasks.py`
@@ -291,7 +291,7 @@ Creating Tasks
       Added the *context* parameter.
 
 
-Task Cancellation
+Task cancellation
 =================
 
 Tasks can easily and safely be cancelled.
@@ -315,7 +315,7 @@ remove the cancellation state.
 
 .. _taskgroups:
 
-Task Groups
+Task groups
 ===========
 
 Task groups combine a task creation API with a convenient
@@ -414,7 +414,7 @@ reported by :meth:`asyncio.Task.cancelling`.
    Improved handling of simultaneous internal and external cancellations
    and correct preservation of cancellation counts.
 
-Terminating a Task Group
+Terminating a task group
 ------------------------
 
 While terminating a task group is not natively supported by the standard
@@ -485,13 +485,13 @@ Sleeping
    for 5 seconds::
 
     import asyncio
-    import datetime
+    import datetime as dt
 
     async def display_date():
         loop = asyncio.get_running_loop()
         end_time = loop.time() + 5.0
         while True:
-            print(datetime.datetime.now())
+            print(dt.datetime.now())
             if (loop.time() + 1.0) >= end_time:
                 break
             await asyncio.sleep(1)
@@ -506,7 +506,7 @@ Sleeping
       Raises :exc:`ValueError` if *delay* is :data:`~math.nan`.
 
 
-Running Tasks Concurrently
+Running tasks concurrently
 ==========================
 
 .. awaitablefunction:: gather(*aws, return_exceptions=False)
@@ -608,7 +608,7 @@ Running Tasks Concurrently
 
 .. _eager-task-factory:
 
-Eager Task Factory
+Eager task factory
 ==================
 
 .. function:: eager_task_factory(loop, coro, *, name=None, context=None)
@@ -651,7 +651,7 @@ Eager Task Factory
     .. versionadded:: 3.12
 
 
-Shielding From Cancellation
+Shielding from cancellation
 ===========================
 
 .. awaitablefunction:: shield(aw)
@@ -881,7 +881,7 @@ Timeouts
       Raises :exc:`TimeoutError` instead of :exc:`asyncio.TimeoutError`.
 
 
-Waiting Primitives
+Waiting primitives
 ==================
 
 .. function:: wait(aws, *, timeout=None, return_when=ALL_COMPLETED)
@@ -1001,7 +1001,7 @@ Waiting Primitives
       or as a plain :term:`iterator` (previously it was only a plain iterator).
 
 
-Running in Threads
+Running in threads
 ==================
 
 .. function:: to_thread(func, /, *args, **kwargs)
@@ -1061,7 +1061,7 @@ Running in Threads
    .. versionadded:: 3.9
 
 
-Scheduling From Other Threads
+Scheduling from other threads
 =============================
 
 .. function:: run_coroutine_threadsafe(coro, loop)
@@ -1140,7 +1140,7 @@ Introspection
 
 .. _asyncio-task-obj:
 
-Task Object
+Task object
 ===========
 
 .. class:: Task(coro, *, loop=None, name=None, context=None, eager_start=False)

Doc/library/difflib.rst

@@ -358,7 +358,7 @@ diffs. For comparing directories and files, see also, the :mod:`filecmp` module.
 
 .. _sequence-matcher:
 
-SequenceMatcher Objects
+SequenceMatcher objects
 -----------------------
 
 The :class:`SequenceMatcher` class has this constructor:
@@ -586,7 +586,7 @@ are always at least as large as :meth:`~SequenceMatcher.ratio`:
 
 .. _sequencematcher-examples:
 
-SequenceMatcher Examples
+SequenceMatcher examples
 ------------------------
 
 This example compares two strings, considering blanks to be "junk":
@@ -637,7 +637,7 @@ If you want to know how to change the first sequence into the second, use
 
 .. _differ-objects:
 
-Differ Objects
+Differ objects
 --------------
 
 Note that :class:`Differ`\ -generated deltas make no claim to be **minimal**
@@ -686,7 +686,7 @@ The :class:`Differ` class has this constructor:
 
 .. _differ-examples:
 
-Differ Example
+Differ example
 --------------
 
 This example compares two texts. First we set up the texts, sequences of