Drop support for click 7.x, Sphinx < 5.x

click 8.0 and Sphinx 4.0 were both released approximately 3 years ago.
Anything older is too old to care about now.

Signed-off-by: Stephen Finucane <[email protected]>

releasenotes/notes/drop-click-7-cbdaccc6a64029d0.yaml

@@ -0,0 +1,7 @@
+---
+upgrade:
+  - |
+    click 7.x is no longer supported. The minimum click version now supported
+    is 8.0.0.
+  - |
+    sphinx < 4.0.0 is no longer supported.

requirements.txt

@@ -1,3 +1,3 @@
-sphinx>=2.0
-click>=7.0
+sphinx>=4.0
+click>=8.0
 docutils

tests/test_formatter.py

@@ -287,9 +287,6 @@ def foobar(bar):
             '\n'.join(output),
         )
 
-    @unittest.skipIf(
-        CLICK_VERSION < (8, 0), 'Click < 8.0.0 does not support this feature'
-    )
     def test_show_default(self):
         """Validate formatting of show_default via context_settings."""
 

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.0
-envlist = py{38,39}-click{7,8,8-async},py{310,311,312}-click{8,8-async},style,docs
+envlist = py{38,39,310,311,312}-click{8,8-async},style,docs
 
 [testenv]
 setenv =
@@ -12,7 +12,6 @@ deps =
     pytest-cov
     coverage
     defusedxml
-    click7: click>=7.0,<8.0
     click8: click>=8.0,<9.0
     click8-async: asyncclick>=8.0,<9.0
     defusedxml
@@ -27,6 +26,7 @@ commands =
     coverage {posargs:html}
 
 [testenv:style]
+skip_install = true
 deps =
     pre-commit
 commands =