Add isort (#11)

pyproject.toml

@@ -28,6 +28,7 @@ mypy = "^1.3"
 pylint = "^2.17.4"
 pytest = "^7.3.1"
 pytest-cov = "^4.1.0"
+isort = "^5.12.0"
 
 [build-system]
 requires = ["poetry>=0.12"]

pywebidl2/__init__.py

@@ -2,6 +2,7 @@
 from .parser import Parser as WebIDLParser
 from .visitor import Visitor as WebIDLVisitor
 
+
 __all__ = (
     'WebIDLParser',
     'WebIDLVisitor',

pywebidl2/main.py

@@ -2,7 +2,7 @@
 
 import click
 
-from .idl import validate, parse
+from .idl import parse, validate
 
 
 _actions = {

pywebidl2/parser.py

@@ -2,8 +2,8 @@
 from typing import ClassVar, Dict, List, NamedTuple, cast
 
 from antlr4 import BailErrorStrategy, CommonTokenStream, InputStream
-from antlr4.error.Errors import ParseCancellationException
 from antlr4.error.ErrorListener import ErrorListener
+from antlr4.error.Errors import ParseCancellationException
 from antlr4.error.ErrorStrategy import DefaultErrorStrategy, ErrorStrategy
 from antlr4.Parser import ParserRuleContext
 

pywebidl2/utils.py

@@ -1,6 +1,6 @@
 from collections import deque
 from contextlib import suppress
-from typing import Any, Optional, TypeVar, Union
+from typing import Any, TypeVar
 
 
 _U = TypeVar('_U')
@@ -17,7 +17,7 @@ def setup_type(idl_type: Any, type_: str) -> None:
                 todo.extend(idl_type.idl_type)
 
 
-def escaped_name(string: Optional[_U]) -> Union[Optional[_U], str]:
+def escaped_name(string: _U | str) -> _U | str:
     if isinstance(string, str):
         return string.lstrip('_')
 

setup.cfg

@@ -80,6 +80,23 @@ pretty = True
 ;Prefixes each error with the relevant context.
 show_error_context = True
 
+;Type checks the body of every function, regardless of whether it has type annotations.
+check_untyped_defs = True
+
 [mypy-*.generated.*]
 ;Ignores all non-fatal errors.
 ignore_errors = True
+
+[isort]
+; The number of blank lines to place after imports.
+lines_after_imports = 2
+; Includes a trailing comma on multi line imports that include parentheses.
+include_trailing_comma = True
+; Use parentheses for line continuation on length limit instead of backslashes.
+use_parentheses = True
+; Inserts a blank line before a comment following an import.
+ensure_newline_before_comments = True
+; The max length of an import line (used for wrapping long imports).
+line_length = 120
+; Multi line output opt
+multi_line_output=3