enable mxdev to fix github actions

Author: 1letter

.gitignore

@@ -48,6 +48,7 @@ local.cfg
 /venv/
 .installed.txt
 
+.mxdev_cache
 
 ##
 # Add extra configuration options in .meta.toml:

.meta.toml

@@ -11,3 +11,13 @@ dependencies_mappings = [
     "'beautifulsoup4' = ['bs4']",
 ]
 dependencies_ignores = "['zest.pocompile','zestreleaser.towncrier', 'zest.releaser', 'Products.Five','collective.z3cform.norobots','plone.formwidget.hcaptcha','plone.formwidget.recaptcha', 'Products.PloneFormGen']"
+
+[gitignore]
+extra_lines = """
+.mxdev_cache
+"""
+
+[tox]
+# enable mxdev, while Product.validation==3.0.0 in Plone 6.1
+# see https://github.com/plone/buildout.coredev/issues/1086
+use_mxdev = true

mx.ini

@@ -0,0 +1,6 @@
+[settings]
+requirements-in = requirements.txt
+requirements-out = requirements-mxdev.txt
+
+version-overrides =
+     Product.validation==3.0.1

tox.ini

@@ -45,8 +45,11 @@ description = Prepare environment
 skip_install = true
 allowlist_externals =
     echo
+deps =
+    mxdev
 commands =
-    echo "Initial setup complete"
+    mxdev -c mx.ini
+    echo "Initial setup for mxdev"
 
 [testenv:format]
 description = automatically reformat code
@@ -122,9 +125,7 @@ set_env =
 ##
 deps =
     {[test_runner]deps}
-    plone62: -c https://dist.plone.org/release/6.2-dev/constraints.txt
-    plone61: -c https://dist.plone.org/release/6.1-dev/constraints.txt
-    plone60: -c https://dist.plone.org/release/6.0-dev/constraints.txt
+    -c constraints-mxdev.txt
 
 ##
 # Specify additional deps in .meta.toml:
@@ -165,7 +166,7 @@ constrain_package_deps = {[base]constrain_package_deps}
 set_env = {[base]set_env}
 deps =
     {[test_runner]deps}
-    -c https://dist.plone.org/release/6.2-dev/constraints.txt
+    -c constraints-mxdev.txt
 
 commands = {[test_runner]test}
 extras = {[base]extras}
@@ -191,7 +192,7 @@ set_env = {[base]set_env}
 deps =
     {[test_runner]deps}
     coverage
-    -c https://dist.plone.org/release/6.2-dev/constraints.txt
+    -c constraints-mxdev.txt
 
 commands = {[test_runner]coverage}
 extras = {[base]extras}
@@ -203,7 +204,7 @@ skip_install = true
 deps =
     twine
     build
-    -c https://dist.plone.org/release/6.2-dev/constraints.txt
+    -c constraints-mxdev.txt
 commands =
     python -m build --sdist
     twine check dist/*
@@ -229,7 +230,7 @@ allowlist_externals =
 deps =
     pipdeptree
     pipforester
-    -c https://dist.plone.org/release/6.2-dev/constraints.txt
+    -c constraints-mxdev.txt
 commands =
     # Generate the full dependency tree
     sh -c 'pipdeptree -j > forest.json'