pre-commit: add isort hook and apply (#354)

src/betterproto/plugin/compiler.py

@@ -1,5 +1,6 @@
 import os.path
 
+
 try:
     # betterproto[compiler] specific dependencies
     import black

src/betterproto/plugin/main.py

@@ -7,9 +7,8 @@ from betterproto.lib.google.protobuf.compiler import (
     CodeGeneratorRequest,
     CodeGeneratorResponse,
 )
-
-from betterproto.plugin.parser import generate_code
 from betterproto.plugin.models import monkey_patch_oneof_index
+from betterproto.plugin.parser import generate_code
 
 
 def main() -> None:

src/betterproto/plugin/models.py

@@ -33,13 +33,28 @@ reference to `A` to `B`'s `fields` attribute.
 import builtins
 import re
 import textwrap
-from dataclasses import dataclass, field
-from typing import Dict, Iterable, Iterator, List, Optional, Set, Type, Union
+from dataclasses import (
+    dataclass,
+    field,
+)
+from typing import (
+    Dict,
+    Iterable,
+    Iterator,
+    List,
+    Optional,
+    Set,
+    Type,
+    Union,
+)
 
 import betterproto
 from betterproto import which_one_of
 from betterproto.casing import sanitize_name
-from betterproto.compile.importing import get_type_reference, parse_source_type_name
+from betterproto.compile.importing import (
+    get_type_reference,
+    parse_source_type_name,
+)
 from betterproto.compile.naming import (
     pythonize_class_name,
     pythonize_field_name,
@@ -58,13 +73,17 @@ from betterproto.lib.google.protobuf import (
 from betterproto.lib.google.protobuf.compiler import CodeGeneratorRequest
 
 from ..casing import sanitize_name
-from ..compile.importing import get_type_reference, parse_source_type_name
+from ..compile.importing import (
+    get_type_reference,
+    parse_source_type_name,
+)
 from ..compile.naming import (
     pythonize_class_name,
     pythonize_field_name,
     pythonize_method_name,
 )
 
+
 # Create a unique placeholder to deal with
 # https://stackoverflow.com/questions/51575931/class-inheritance-in-python-3-7-dataclasses
 PLACEHOLDER = object()

src/betterproto/plugin/parser.py

@@ -1,3 +1,15 @@
+import itertools
+import pathlib
+import sys
+from typing import (
+    TYPE_CHECKING,
+    Iterator,
+    List,
+    Set,
+    Tuple,
+    Union,
+)
+
 from betterproto.lib.google.protobuf import (
     DescriptorProto,
     EnumDescriptorProto,
@@ -11,10 +23,7 @@ from betterproto.lib.google.protobuf.compiler import (
     CodeGeneratorResponseFeature,
     CodeGeneratorResponseFile,
 )
-import itertools
-import pathlib
-import sys
-from typing import Iterator, List, Set, Tuple, TYPE_CHECKING, Union
+
 from .compiler import outputfile_compiler
 from .models import (
     EnumDefinitionCompiler,
@@ -30,6 +39,7 @@ from .models import (
     is_oneof,
 )
 
+
 if TYPE_CHECKING:
     from google.protobuf.descriptor import Descriptor