refactor!: drop 3.8 support (#1983)

.github/workflows/test.yaml

@@ -63,7 +63,7 @@ jobs:
         strategy:
             matrix:
                 os: [ubuntu-latest, macos-latest]   # eventually add `windows-latest`
-                python-version: [3.8, 3.9, "3.10", "3.11"]
+                python-version: [3.9, "3.10", "3.11"]
 
         env:
           GITHUB_ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -27,7 +27,7 @@ Read our [academic platform](https://academy.apeworx.io/) will help you master A
 In the latest release, Ape requires:
 
 - Linux or macOS
-- Python 3.8 up to 3.11
+- Python 3.9 up to 3.11
 - **Windows**: Install Windows Subsystem Linux [(WSL)](https://docs.microsoft.com/en-us/windows/wsl/install)
 
 Check your python version in a terminal with `python3 --version`.

setup.py

@@ -103,7 +103,7 @@
         "packaging>=23.0,<24",
         "pandas>=1.3.0,<2",
         "pluggy>=1.3,<2",
-        "pydantic>=2.5.2,<3",
+        "pydantic>=2.6.4,<3",
         "pydantic-settings>=2.0.3,<3",
         "pytest>=6.0,<8.0",
         "python-dateutil>=2.8.2,<3",
@@ -127,7 +127,7 @@
         "eip712>=0.2.7,<0.3",
         "ethpm-types>=0.6.9,<0.7",
         "eth_pydantic_types>=0.1.0,<0.2",
-        "evmchains>=0.0.6,<0.1",
+        "evmchains>=0.0.7,<0.1",
         "evm-trace>=0.1.5,<0.2",
     ],
     entry_points={
@@ -146,7 +146,7 @@
             "ape_pm=ape_pm._cli:cli",
         ],
     },
-    python_requires=">=3.8,<4",
+    python_requires=">=3.9,<4",
     extras_require=extras_require,
     py_modules=packages_data["__modules__"],
     license="Apache-2.0",
@@ -163,7 +163,6 @@
         "Operating System :: MacOS",
         "Operating System :: POSIX",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",

src/ape/_cli.py

@@ -3,7 +3,7 @@
 import sys
 from gettext import gettext
 from importlib.metadata import entry_points
-from typing import Any, Dict, Iterable, List, Optional, Tuple
+from typing import Any, Iterable, Optional
 
 import click
 import yaml
@@ -30,7 +30,7 @@ def display_config(ctx, param, value):
 
 
 class ApeCLI(click.MultiCommand):
-    _commands: Optional[Dict] = None
+    _commands: Optional[dict] = None
     _CLI_GROUP_NAME = "ape_cli_subcommands"
 
     def format_commands(self, ctx, formatter) -> None:
@@ -47,7 +47,7 @@ def format_commands(self, ctx, formatter) -> None:
             limit = formatter.width - 6 - max(len(cmd[0]) for cmd in commands)
 
             # Split the commands into 3 sections.
-            sections: Dict[str, List[Tuple[str, str]]] = {
+            sections: dict[str, list[tuple[str, str]]] = {
                 "Core": [],
                 "Plugin": [],
                 "3rd-Party Plugin": [],
@@ -114,15 +114,15 @@ def _suggest_cmd(usage_error):
         raise usage_error
 
     @property
-    def commands(self) -> Dict:
+    def commands(self) -> dict:
         if self._commands:
             return self._commands
 
         eps: Iterable = entry_points().get(self._CLI_GROUP_NAME, [])
         self._commands = {clean_plugin_name(cmd.name): cmd.load for cmd in eps}
         return self._commands
 
-    def list_commands(self, ctx) -> List[str]:
+    def list_commands(self, ctx) -> list[str]:
         return list(sorted(self.commands))
 
     def get_command(self, ctx, name) -> Optional[click.Command]:

src/ape/api/providers.py

@@ -310,7 +310,7 @@ def network_choice(self) -> str:
         return f"{self.network.choice}:{self.name}"
 
     @abstractmethod
-    def make_request(self, rpc: str, parameters: Optional[List] = None) -> Any:
+    def make_request(self, rpc: str, parameters: Optional[Iterable] = None) -> Any:
         """
         Make a raw RPC request to the provider.
         Advanced featues such as tracing may utilize this to by-pass unnecessary

src/ape/api/query.py

@@ -1,4 +1,4 @@
-from functools import lru_cache
+from functools import cache
 from typing import Any, Dict, Iterator, List, Optional, Sequence, Set, Type, Union
 
 from ethpm_types.abi import BaseModel, EventABI, MethodABI
@@ -19,8 +19,7 @@
 ]
 
 
-# TODO: Replace with `functools.cache` when Py3.8 dropped
-@lru_cache(maxsize=None)
+@cache
 def _basic_columns(Model: Type[BaseInterfaceModel]) -> Set[str]:
     columns = set(Model.model_fields)
 
@@ -32,8 +31,7 @@ def _basic_columns(Model: Type[BaseInterfaceModel]) -> Set[str]:
     return columns
 
 
-# TODO: Replace with `functools.cache` when Py3.8 dropped
-@lru_cache(maxsize=None)
+@cache
 def _all_columns(Model: Type[BaseInterfaceModel]) -> Set[str]:
     columns = _basic_columns(Model)
     # NOTE: Iterate down the series of subclasses of `Model` (e.g. Block and BlockAPI)

src/ape/exceptions.py

@@ -3,10 +3,11 @@
 import tempfile
 import time
 import traceback
+from collections.abc import Collection
 from inspect import getframeinfo, stack
 from pathlib import Path
 from types import CodeType, TracebackType
-from typing import TYPE_CHECKING, Any, Collection, Dict, List, Optional, Union, cast
+from typing import TYPE_CHECKING, Any, Optional, Union, cast
 
 import click
 from eth_typing import Hash32
@@ -103,7 +104,7 @@ class ArgumentsLengthError(ContractDataError):
     def __init__(
         self,
         arguments_length: int,
-        inputs: Union[MethodABI, ConstructorABI, int, List, None] = None,
+        inputs: Union[MethodABI, ConstructorABI, int, list, None] = None,
         **kwargs,
     ):
         prefix = (
@@ -114,7 +115,7 @@ def __init__(
             super().__init__(f"{prefix}.")
             return
 
-        inputs_ls: List[Union[MethodABI, ConstructorABI, int]] = (
+        inputs_ls: list[Union[MethodABI, ConstructorABI, int]] = (
             inputs if isinstance(inputs, list) else [inputs]
         )
         if not inputs_ls:
@@ -642,7 +643,7 @@ def __init__(
         super().__init__(provider, *args, **kwargs)
 
 
-def handle_ape_exception(err: ApeException, base_paths: List[Path]) -> bool:
+def handle_ape_exception(err: ApeException, base_paths: list[Path]) -> bool:
     """
     Handle a transaction error by showing relevant stack frames,
     including custom contract frames added to the exception.
@@ -719,7 +720,7 @@ class CustomError(ContractLogicError):
     def __init__(
         self,
         abi: ErrorABI,
-        inputs: Dict[str, Any],
+        inputs: dict[str, Any],
         txn: Optional[FailedTxn] = None,
         trace: Optional["TraceAPI"] = None,
         contract_address: Optional["AddressType"] = None,

src/ape/logging.py

@@ -2,9 +2,10 @@
 import logging
 import sys
 import traceback
+from collections.abc import Sequence
 from enum import IntEnum
 from pathlib import Path
-from typing import IO, Any, Callable, Dict, Optional, Sequence, Union
+from typing import IO, Any, Callable, Optional, Union
 
 import click
 from yarl import URL
@@ -73,8 +74,8 @@ def format(self, record):
         if _isatty(sys.stdout) and _isatty(sys.stderr):
             # Only color log messages when sys.stdout and sys.stderr are sent to the terminal.
             level = LogLevel(record.levelno)
-            default_dict: Dict[str, Any] = {}
-            styles: Dict[str, Any] = CLICK_STYLE_KWARGS.get(level, default_dict)
+            default_dict: dict[str, Any] = {}
+            styles: dict[str, Any] = CLICK_STYLE_KWARGS.get(level, default_dict)
             record.levelname = click.style(record.levelname, **styles)
 
         path = Path(record.pathname)
@@ -89,7 +90,7 @@ def format(self, record):
 
 class ClickHandler(logging.Handler):
     def __init__(
-        self, echo_kwargs: Dict, handlers: Optional[Sequence[Callable[[str], str]]] = None
+        self, echo_kwargs: dict, handlers: Optional[Sequence[Callable[[str], str]]] = None
     ):
         super().__init__()
         self.echo_kwargs = echo_kwargs
@@ -112,7 +113,7 @@ def emit(self, record):
 
 class ApeLogger:
     _mentioned_verbosity_option = False
-    _extra_loggers: Dict[str, logging.Logger] = {}
+    _extra_loggers: dict[str, logging.Logger] = {}
 
     def __init__(
         self,

src/ape_accounts/accounts.py

@@ -1,7 +1,8 @@
 import json
+from collections.abc import Iterator
 from os import environ
 from pathlib import Path
-from typing import Any, Dict, Iterator, Optional, Tuple
+from typing import Any, Optional
 
 import click
 from eip712.messages import EIP712Message
@@ -32,7 +33,7 @@ def __init__(self):
 
 
 class AccountContainer(AccountContainerAPI):
-    loaded_accounts: Dict[str, "KeyfileAccount"] = {}
+    loaded_accounts: dict[str, "KeyfileAccount"] = {}
 
     @property
     def _keyfiles(self) -> Iterator[Path]:
@@ -292,7 +293,7 @@ def _write_and_return_account(alias: str, passphrase: str, account: LocalAccount
 
 def generate_account(
     alias: str, passphrase: str, hd_path: str = ETHEREUM_DEFAULT_PATH, word_count: int = 12
-) -> Tuple[KeyfileAccount, str]:
+) -> tuple[KeyfileAccount, str]:
     """
     Generate a new account.
 

src/ape_cache/query.py

@@ -1,5 +1,6 @@
+from collections.abc import Iterator
 from pathlib import Path
-from typing import Any, Dict, Iterator, List, Optional, cast
+from typing import Any, Optional, cast
 
 from sqlalchemy import create_engine, func
 from sqlalchemy.engine import CursorResult
@@ -326,7 +327,7 @@ def _perform_block_query(self, query: BlockQuery) -> Iterator[BlockAPI]:
             )
 
     @perform_query.register
-    def _perform_transaction_query(self, query: BlockTransactionQuery) -> Iterator[Dict]:
+    def _perform_transaction_query(self, query: BlockTransactionQuery) -> Iterator[dict]:
         with self.database_connection as conn:
             result = conn.execute(
                 select([Transactions]).where(Transactions.block_hash == query.block_id)
@@ -395,7 +396,7 @@ def _cache_update_events_clause(self, query: ContractEventQuery) -> Insert:
     @singledispatchmethod
     def _get_cache_data(
         self, query: QueryType, result: Iterator[BaseInterfaceModel]
-    ) -> Optional[List[Dict[str, Any]]]:
+    ) -> Optional[list[dict[str, Any]]]:
         raise QueryEngineError(
             """
             Not a compatible QueryType. For more details see our docs
@@ -406,16 +407,16 @@ def _get_cache_data(
     @_get_cache_data.register
     def _get_block_cache_data(
         self, query: BlockQuery, result: Iterator[BaseInterfaceModel]
-    ) -> Optional[List[Dict[str, Any]]]:
+    ) -> Optional[list[dict[str, Any]]]:
         return [m.model_dump(mode="json", by_alias=False) for m in result]
 
     @_get_cache_data.register
     def _get_block_txns_data(
         self, query: BlockTransactionQuery, result: Iterator[BaseInterfaceModel]
-    ) -> Optional[List[Dict[str, Any]]]:
+    ) -> Optional[list[dict[str, Any]]]:
         new_result = []
         table_columns = [c.key for c in Transactions.__table__.columns]  # type: ignore
-        txns: List[TransactionAPI] = cast(List[TransactionAPI], result)
+        txns: list[TransactionAPI] = cast(list[TransactionAPI], result)
         for val in [m for m in txns]:
             new_dict = {
                 k: v
@@ -443,7 +444,7 @@ def _get_block_txns_data(
     @_get_cache_data.register
     def _get_cache_events_data(
         self, query: ContractEventQuery, result: Iterator[BaseInterfaceModel]
-    ) -> Optional[List[Dict[str, Any]]]:
+    ) -> Optional[list[dict[str, Any]]]:
         return [m.model_dump(mode="json", by_alias=False) for m in result]
 
     def update_cache(self, query: QueryType, result: Iterator[BaseInterfaceModel]):

src/ape_compile/__init__.py

@@ -1,5 +1,5 @@
 from pathlib import Path
-from typing import List, Optional
+from typing import Optional
 
 from pydantic import field_validator, model_validator
 
@@ -21,7 +21,7 @@ class Config(PluginConfig):
     should configure ``include_dependencies`` to be ``True``.
     """
 
-    exclude: List[str] = ["*package.json", "*package-lock.json", "*tsconfig.json"]
+    exclude: list[str] = ["*package.json", "*package-lock.json", "*tsconfig.json"]
     """
     Source exclusion globs across all file types.
     """

src/ape_compile/_cli.py

@@ -1,5 +1,4 @@
 from pathlib import Path
-from typing import Dict, Set
 
 import click
 from ethpm_types import ContractType
@@ -38,7 +37,7 @@ def _include_dependencies_callback(ctx, param, value):
     callback=_include_dependencies_callback,
 )
 @ape_cli_context()
-def cli(cli_ctx, file_paths: Set[Path], use_cache: bool, display_size: bool, include_dependencies):
+def cli(cli_ctx, file_paths: set[Path], use_cache: bool, display_size: bool, include_dependencies):
     """
     Compiles the manifest for this project and saves the results
     back to the manifest.
@@ -97,7 +96,7 @@ def cli(cli_ctx, file_paths: Set[Path], use_cache: bool, display_size: bool, inc
         _display_byte_code_sizes(cli_ctx, contract_types)
 
 
-def _display_byte_code_sizes(cli_ctx, contract_types: Dict[str, ContractType]):
+def _display_byte_code_sizes(cli_ctx, contract_types: dict[str, ContractType]):
     # Display bytecode size for *all* contract types (not just ones we compiled)
     code_size = []
     for contract in contract_types.values():

src/ape_console/_cli.py

@@ -6,7 +6,7 @@
 from importlib.util import module_from_spec, spec_from_loader
 from os import environ, getcwd
 from types import ModuleType
-from typing import Any, Dict, cast
+from typing import Any, cast
 
 import click
 import IPython
@@ -46,7 +46,7 @@ def import_extras_file(file_path) -> ModuleType:
     return module
 
 
-def load_console_extras(**namespace: Any) -> Dict[str, Any]:
+def load_console_extras(**namespace: Any) -> dict[str, Any]:
     """load and return namespace updates from ape_console_extras.py  files if
     they exist"""
     global_extras = ManagerAccessMixin.config_manager.DATA_FOLDER.joinpath(CONSOLE_EXTRAS_FILENAME)
@@ -66,7 +66,7 @@ def load_console_extras(**namespace: Any) -> Dict[str, Any]:
             # Figure out the kwargs the func is looking for and assemble
             # from the original namespace
             func_spec = inspect.getfullargspec(ape_init_extras)
-            init_kwargs: Dict[str, Any] = {k: namespace.get(k) for k in func_spec.args}
+            init_kwargs: dict[str, Any] = {k: namespace.get(k) for k in func_spec.args}
 
             # Execute functionality with existing console namespace as
             # kwargs.
@@ -140,7 +140,7 @@ def console(project=None, verbose=None, extra_locals=None, embed=False):
     _launch_console(namespace, ipy_config, embed, banner)
 
 
-def _launch_console(namespace: Dict, ipy_config: IPythonConfig, embed: bool, banner: str):
+def _launch_console(namespace: dict, ipy_config: IPythonConfig, embed: bool, banner: str):
     ipython_kwargs = {"user_ns": namespace, "config": ipy_config}
     if embed:
         IPython.embed(**ipython_kwargs, colors="Neutral", banner1=banner)

src/ape_console/config.py

@@ -1,8 +1,6 @@
-from typing import List
-
 from ape.api import PluginConfig
 
 
 class ConsoleConfig(PluginConfig):
-    plugins: List[str] = []
+    plugins: list[str] = []
     """Additional IPython plugins to include in your session."""