chore[ci]: enable python3.12 tests

.github/workflows/test.yml

@@ -26,6 +26,9 @@ jobs:
     - name: Install Dependencies
       run: pip install .[lint]
 
+    - name: Debug dependencies
+      run: pip freeze
+
     - name: Run Black
       run: black --check -C --force-exclude=vyper/version.py ./vyper ./tests ./setup.py
 
@@ -93,9 +96,10 @@ jobs:
             opt-mode: gas
             debug: false
             evm-version: shanghai
-
-          # TODO 3.12 doesn't work yet, investigate - may be hypothesis issue
-          #- python-version: ["3.12", "312"]
+          - python-version: ["3.12", "312"]
+            opt-mode: gas
+            debug: false
+            evm-version: shanghai
 
     name: py${{ matrix.python-version[1] }}-opt-${{ matrix.opt-mode }}${{ matrix.debug && '-debug' || '' }}-${{ matrix.evm-version }}
 
@@ -114,6 +118,9 @@ jobs:
     - name: Install dependencies
       run: pip install .[test]
 
+    - name: Debug dependencies
+      run: pip freeze
+
     - name: Run tests
       run: |
         pytest \

setup.py

@@ -8,7 +8,7 @@
 
 extras_require = {
     "test": [
-        "pytest>=6.2.5,<7.0",
+        "pytest>=8.0,<9.0",
         "pytest-cov>=2.10,<3.0",
         "pytest-instafail>=0.4,<1.0",
         "pytest-xdist>=2.5,<3.0",
@@ -19,8 +19,9 @@
         "web3==6.0.0",
         "tox>=3.15,<4.0",
         "lark==1.1.9",
-        "hypothesis[lark]>=5.37.1,<6.0",
+        "hypothesis[lark]>=6.0,<7.0",
         "eth-stdlib==0.2.6",
+        "setuptools",
     ],
     "lint": [
         "black==23.12.0",
@@ -115,6 +116,7 @@ def _global_version(version):
         "License :: OSI Approved :: Apache Software License",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
+        "Programming Language :: Python :: 3.12",
     ],
     package_data={"vyper.ast": ["grammar.lark"]},
     data_files=[("", [hash_file_rel_path])],

tests/functional/grammar/test_grammar.py

@@ -51,11 +51,14 @@ def utf8_encodable(terminal: str) -> bool:
         return False
 
 
+ALLOWED_CHARS = st.characters(codec="utf-8", min_codepoint=1)
+
+
 # With help from hyposmith
 # https://github.com/Zac-HD/hypothesmith/blob/master/src/hypothesmith/syntactic.py
 class GrammarStrategy(LarkStrategy):
     def __init__(self, grammar, start, explicit_strategies):
-        super().__init__(grammar, start, explicit_strategies)
+        super().__init__(grammar, start, explicit_strategies, alphabet=ALLOWED_CHARS)
         self.terminal_strategies = {
             k: v.map(lambda s: s.replace("\0", "")).filter(utf8_encodable)
             for k, v in self.terminal_strategies.items()  # type: ignore