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docs: Update CPython differences and improve the look of table layouts.

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Updated some of the CPython feature differences:
- Updated status of some features.
- Added CSS to fix table widths to 100% and word wrap.
- Specified explicit table column ratios to improve layout appearance.
- Added missing references to anchors.
- Better consistency with use of formatting and case.
This commit is contained in:
Matt Trentini
2022-08-19 01:15:50 +10:00
committed by Damien George
parent 2e386bcf76
commit 6b16ce8d38
7 changed files with 353 additions and 292 deletions
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33
docs/differences/python_38.rst
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@@ -5,15 +5,18 @@ Python 3.8
Python 3.8.0 (final) was released on the 14 October 2019. The Features for 3.8
are defined in `PEP 569 <https://www.python.org/dev/peps/pep-0569/#id9>`_ and
a detailed description of the changes can be found in What's New in `Python
a detailed description of the changes can be found in `What's New in Python
3.8. <https://docs.python.org/3/whatsnew/3.8.html>`_
.. table::
:widths: 20 60 20
+--------------------------------------------------------+---------------------------------------------------+---------------+
| **Features:** | Status |
| **Features** | **Status** |
+--------------------------------------------------------+---------------------------------------------------+---------------+
| `PEP 570 <https://www.python.org/dev/peps/pep-0570/>`_ | Positional-only arguments | |
+--------------------------------------------------------+---------------------------------------------------+---------------+
| `PEP 572 <https://www.python.org/dev/peps/pep-0572/>`_ | Assignment Expressions | |
| `PEP 572 <https://www.python.org/dev/peps/pep-0572/>`_ | Assignment Expressions | Complete |
+--------------------------------------------------------+---------------------------------------------------+---------------+
| `PEP 574 <https://www.python.org/dev/peps/pep-0574/>`_ | Pickle protocol 5 with out-of-band data | |
+--------------------------------------------------------+---------------------------------------------------+---------------+
@@ -25,13 +28,16 @@ a detailed description of the changes can be found in What's New in `Python
+--------------------------------------------------------+---------------------------------------------------+---------------+
| **Miscellaneous** |
+------------------------------------------------------------------------------------------------------------+---------------+
| f-strings support = for self-documenting expressions and debugging | Completed |
| f-strings support = for self-documenting expressions and debugging | Complete |
+------------------------------------------------------------------------------------------------------------+---------------+
Other Language Changes:
.. table::
:widths: 90 10
+------------------------------------------------------------------------------------------------------------+-------------+
| A *continue* statement was illegal in the *finally* clause due to a problem with the implementation. In | Completed |
| A *continue* statement was illegal in the *finally* clause due to a problem with the implementation. In | Complete |
| Python 3.8 this restriction was lifted | |
+------------------------------------------------------------------------------------------------------------+-------------+
| The *bool*, *int* , and *fractions.Fraction* types now have an *as_integer_ratio()* method like that found | |
@@ -72,14 +78,17 @@ Other Language Changes:
Changes to built-in modules:
.. table::
:widths: 90 10
+------------------------------------------------------------------------------------------------------------+-------------+
| `asyncio` |
| `asyncio <https://docs.python.org/3/whatsnew/3.8.html#asyncio>`_ |
+------------------------------------------------------------------------------------------------------------+-------------+
| *asyncio.run()* has graduated from the provisional to stable API | Completed |
| *asyncio.run()* has graduated from the provisional to stable API | Complete |
+------------------------------------------------------------------------------------------------------------+-------------+
| Running *python -m asyncio* launches a natively async REPL | |
+------------------------------------------------------------------------------------------------------------+-------------+
| The exception *asyncio.CancelledError* now inherits from *BaseException* rather than *Exception* and no | Completed |
| The exception *asyncio.CancelledError* now inherits from *BaseException* rather than *Exception* and no | Complete |
| longer inherits from *concurrent.futures.CancelledError* | |
+------------------------------------------------------------------------------------------------------------+-------------+
| Added *asyncio.Task.get_coro()* for getting the wrapped coroutine within an *asyncio.Task* | |
@@ -90,12 +99,12 @@ Changes to built-in modules:
| Added support for Happy Eyeballs to *asyncio.loop.create_connection()*. To specify the behavior, two new | |
| parameters have been added: *happy_eyeballs_delay* and interleave. | |
+------------------------------------------------------------------------------------------------------------+-------------+
| `gc` |
| `gc <https://docs.python.org/3/whatsnew/3.8.html#gc>`_ |
+------------------------------------------------------------------------------------------------------------+-------------+
| *get_objects()* can now receive an optional generation parameter indicating a generation to get objects | |
| from. (Note, though, that while *gc* is a built-in, *get_objects()* is not implemented for MicroPython) | |
+------------------------------------------------------------------------------------------------------------+-------------+
| `math` |
| `math <https://docs.python.org/3/whatsnew/3.8.html#math>`_ |
+------------------------------------------------------------------------------------------------------------+-------------+
| Added new function *math.dist()* for computing Euclidean distance between two points | |
+------------------------------------------------------------------------------------------------------------+-------------+
@@ -109,9 +118,9 @@ Changes to built-in modules:
| Added a new function *math.isqrt()* for computing accurate integer square roots without conversion to | |
| floating point | |
+------------------------------------------------------------------------------------------------------------+-------------+
| The function *math.factorial()* no longer accepts arguments that are not int-like | Completed |
| The function *math.factorial()* no longer accepts arguments that are not int-like | Complete |
+------------------------------------------------------------------------------------------------------------+-------------+
| `sys` |
| `sys <https://docs.python.org/3/whatsnew/3.8.html#sys>`_ |
+------------------------------------------------------------------------------------------------------------+-------------+
| Add new *sys.unraisablehook()* function which can be overridden to control how "unraisable exceptions" | |
| are handled | |