API refactor

venv/lib/python3.12/site-packages/alembic/testing/requirements.py

@@ -1,7 +1,6 @@
 from sqlalchemy.testing.requirements import Requirements
 
 from alembic import util
-from alembic.util import sqla_compat
 from ..testing import exclusions
 
 
@@ -74,13 +73,6 @@ class SuiteRequirements(Requirements):
     def reflects_fk_options(self):
         return exclusions.closed()
 
-    @property
-    def sqlalchemy_14(self):
-        return exclusions.skip_if(
-            lambda config: not util.sqla_14,
-            "SQLAlchemy 1.4 or greater required",
-        )
-
     @property
     def sqlalchemy_1x(self):
         return exclusions.skip_if(
@@ -95,6 +87,18 @@ class SuiteRequirements(Requirements):
             "SQLAlchemy 2.x test",
         )
 
+    @property
+    def asyncio(self):
+        def go(config):
+            try:
+                import greenlet  # noqa: F401
+            except ImportError:
+                return False
+            else:
+                return True
+
+        return exclusions.only_if(go)
+
     @property
     def comments(self):
         return exclusions.only_if(
@@ -109,26 +113,6 @@ class SuiteRequirements(Requirements):
     def computed_columns(self):
         return exclusions.closed()
 
-    @property
-    def computed_columns_api(self):
-        return exclusions.only_if(
-            exclusions.BooleanPredicate(sqla_compat.has_computed)
-        )
-
-    @property
-    def computed_reflects_normally(self):
-        return exclusions.only_if(
-            exclusions.BooleanPredicate(sqla_compat.has_computed_reflection)
-        )
-
-    @property
-    def computed_reflects_as_server_default(self):
-        return exclusions.closed()
-
-    @property
-    def computed_doesnt_reflect_as_server_default(self):
-        return exclusions.closed()
-
     @property
     def autoincrement_on_composite_pk(self):
         return exclusions.closed()
@@ -190,9 +174,3 @@ class SuiteRequirements(Requirements):
     @property
     def identity_columns_alter(self):
         return exclusions.closed()
-
-    @property
-    def identity_columns_api(self):
-        return exclusions.only_if(
-            exclusions.BooleanPredicate(sqla_compat.has_identity)
-        )