tox.ini, src/tox.ini: Adjust to tox 4, autoprovision tox >= 3.18

Author: Matthias Koeppe

src/tox.ini

@@ -25,6 +25,10 @@ envlist = doctest, coverage, startuptime, pycodestyle-minimal, relint, codespell
 # When adding environments above, also update the delegations in SAGE_ROOT/tox.ini
 skipsdist = true
 
+requires =
+    # For the renamed "allowlist_externals" keyword
+    tox>=3.18
+
 [sagedirect]
 # Base for tox environments that bypass the virtual environment set up by tox,
 # calling sage directly.
@@ -124,9 +128,9 @@ description =
 # https://github.com/codingjoe/relint
 # The patterns are in .relint.yml
 deps = relint
-whitelist_externals = find
+allowlist_externals = find
 commands = find {posargs:{toxinidir}/sage/} \
-    -name "*#*" -prune -o \
+    -name "*\#*" -prune -o \
     -name "*.a" -prune -o \
     -name "*.bak" -prune -o \
     -name "*.bz2" -prune -o \

tox.ini

@@ -128,6 +128,9 @@ envlist =
     #
     # pycodestyle
 
+requires =
+    # For the renamed "allowlist_externals" keyword
+    tox>=3.18
 
 skipsdist = true
 
@@ -582,7 +585,7 @@ setenv =
 platform =
     local-macos:   darwin
 
-whitelist_externals =
+allowlist_externals =
                    bash
     docker:        docker
     homebrew:      brew
@@ -684,7 +687,7 @@ commands =
 
 [testenv:check_configure]
 ## Test that configure behaves properly
-whitelist_externals =
+allowlist_externals =
     bash
 setenv =
     HOME = {envdir}
@@ -697,7 +700,7 @@ commands =
 passenv =
     HOME
 envdir   = {toxworkdir}/src
-whitelist_externals = tox
+allowlist_externals = tox
 commands = tox -c {toxinidir}/src/tox.ini -e {envname} -- {posargs}
 
 [testenv:doctest]
@@ -706,54 +709,54 @@ description =
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:coverage]
 description =
     give information about doctest coverage of files (same as "sage --coverage[all]")
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:startuptime]
 description =
     display how long each component of Sage takes to start up (same as "sage --startuptime")
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:pycodestyle]
 description =
     check against the Python style conventions of PEP8
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:pycodestyle-minimal]
 description =
     check against Sage's minimal style conventions
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:relint]
 description =
     check whether some forbidden patterns appear - similar to patchbot plugins
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:codespell]
 description =
     check for misspelled words in source code (use -w -i to fix)
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 # Run on the whole project, not just src/ by default, if invoked directly at top level
 commands = tox -c {toxinidir}/src/tox.ini -e {envname} -- {posargs:{toxinidir}}
 
@@ -763,12 +766,12 @@ description =
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}
 
 [testenv:rst]
 description =
     validate Python docstrings markup as reStructuredText
 passenv  = {[sage_src]passenv}
 envdir   = {[sage_src]envdir}
 commands = {[sage_src]commands}
-whitelist_externals = {[sage_src]whitelist_externals}
+allowlist_externals = {[sage_src]allowlist_externals}