Clean up Python 3.8 remnants (#4473)

README.md

@@ -38,7 +38,7 @@ Try it out now using the [Black Playground](https://black.vercel.app). Watch the
 
 ### Installation
 
-_Black_ can be installed by running `pip install black`. It requires Python 3.8+ to run.
+_Black_ can be installed by running `pip install black`. It requires Python 3.9+ to run.
 If you want to format Jupyter Notebooks, install with `pip install "black[jupyter]"`.
 
 If you can't wait for the latest _hotness_ and want to install from GitHub, use:

autoload/black.vim

@@ -76,7 +76,7 @@ def _initialize_black_env(upgrade=False):
 
   pyver = sys.version_info[:3]
   if pyver < (3, 8):
-    print("Sorry, Black requires Python 3.8+ to run.")
+    print("Sorry, Black requires Python 3.9+ to run.")
     return False
 
   from pathlib import Path

docs/faq.md

@@ -84,16 +84,17 @@ See [Using _Black_ with other tools](labels/why-pycodestyle-warnings).
 
 ## Which Python versions does Black support?
 
-Currently the runtime requires Python 3.8-3.11. Formatting is supported for files
+_Black_ generally supports all Python versions supported by CPython (see
-containing syntax from Python 3.3 to 3.11. We promise to support at least all Python
+[the Python devguide](https://devguide.python.org/versions/) for current information).
-versions that have not reached their end of life. This is the case for both running
+We promise to support at least all Python versions that have not reached their end of
-_Black_ and formatting code.
+life. This is the case for both running _Black_ and formatting code.
 
 Support for formatting Python 2 code was removed in version 22.0. While we've made no
 plans to stop supporting older Python 3 minor versions immediately, their support might
 also be removed some time in the future without a deprecation period.
 
-Runtime support for 3.7 was removed in version 23.7.0.
+Runtime support for 3.6 was removed in version 22.10.0, for 3.7 in version 23.7.0, and
+for 3.8 in version 24.10.0.
 
 ## Why does my linter or typechecker complain after I format my code?
 

docs/getting_started.md

@@ -16,7 +16,7 @@ Also, you can try out _Black_ online for minimal fuss on the
 
 ## Installation
 
-_Black_ can be installed by running `pip install black`. It requires Python 3.8+ to run.
+_Black_ can be installed by running `pip install black`. It requires Python 3.9+ to run.
 If you want to format Jupyter Notebooks, install with `pip install "black[jupyter]"`.
 
 If you use pipx, you can install Black with `pipx install black`.

docs/integrations/editors.md

@@ -236,7 +236,7 @@ Configuration:
 
 #### Installation
 
-This plugin **requires Vim 7.0+ built with Python 3.8+ support**. It needs Python 3.8 to
+This plugin **requires Vim 7.0+ built with Python 3.9+ support**. It needs Python 3.9 to
 be able to run _Black_ inside the Vim process which is much faster than calling an
 external command.
 

docs/usage_and_configuration/the_basics.md

@@ -70,17 +70,17 @@ See also [the style documentation](labels/line-length).
 
 Python versions that should be supported by Black's output. You can run `black --help`
 and look for the `--target-version` option to see the full list of supported versions.
-You should include all versions that your code supports. If you support Python 3.8
+You should include all versions that your code supports. If you support Python 3.11
-through 3.11, you should write:
+through 3.13, you should write:
 
 ```console
-$ black -t py38 -t py39 -t py310 -t py311
+$ black -t py311 -t py312 -t py313
 ```
 
 In a [configuration file](#configuration-via-a-file), you can write:
 
 ```toml
-target-version = ["py38", "py39", "py310", "py311"]
+target-version = ["py311", "py312", "py313"]
 ```
 
 By default, Black will infer target versions from the project metadata in

plugin/black.vim

@@ -21,7 +21,7 @@ endif
 
 if v:version < 700 || !has('python3')
     func! __BLACK_MISSING()
-        echo "The black.vim plugin requires vim7.0+ with Python 3.6 support."
+        echo "The black.vim plugin requires vim7.0+ with Python 3.9 support."
     endfunc
     command! Black :call __BLACK_MISSING()
     command! BlackUpgrade :call __BLACK_MISSING()
@@ -72,12 +72,11 @@ endif
 
 function BlackComplete(ArgLead, CmdLine, CursorPos)
   return [
-\    'target_version=py27',
-\    'target_version=py36',
-\    'target_version=py37',
-\    'target_version=py38',
 \    'target_version=py39',
 \    'target_version=py310',
+\    'target_version=py311',
+\    'target_version=py312',
+\    'target_version=py313',
 \  ]
 endfunction
 

tests/data/cases/context_managers_38.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.8
 with \
      make_context_manager1() as cm1, \
      make_context_manager2() as cm2, \

tests/data/cases/context_managers_39.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.9
 with \
      make_context_manager1() as cm1, \
      make_context_manager2() as cm2, \

tests/data/cases/context_managers_autodetect_39.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.9
 # This file uses parenthesized context managers introduced in Python 3.9.
 
 

tests/data/cases/pep_570.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.8
 def positional_only_arg(a, /):
     pass
 

tests/data/cases/pep_572.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.8
 (a := 1)
 (a := a)
 if (match := pattern.search(data)) is None:

tests/data/cases/pep_572_py39.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.9
 # Unparenthesized walruses are now allowed in set literals & set comprehensions
 # since Python 3.9
 {x := 1, 2, 3}

tests/data/cases/pep_572_remove_parens.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.8
 if (foo := 0):
     pass
 

tests/data/cases/python37.py

@@ -1,6 +1,3 @@
-# flags: --minimum-version=3.7
-
-
 def f():
     return (i * 2 async for i in arange(42))
 

tests/data/cases/python38.py

@@ -1,6 +1,3 @@
-# flags: --minimum-version=3.8
-
-
 def starred_return():
     my_list = ["value2", "value3"]
     return "value1", *my_list

tests/data/cases/python39.py

@@ -1,5 +1,3 @@
-# flags: --minimum-version=3.9
-
 @relaxed_decorator[0]
 def f():
     ...

tests/data/cases/remove_with_brackets.py

@@ -1,4 +1,3 @@
-# flags: --minimum-version=3.9
 with (open("bla.txt")):
     pass
 

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 isolated_build = true
-envlist = {,ci-}py{38,39,310,311,py3},fuzz,run_self,generate_schema
+envlist = {,ci-}py{39,310,311,312,313,py3},fuzz,run_self,generate_schema
 
 [testenv]
 setenv =