Drop dependency on attr

Changelog.rst

@@ -5,6 +5,7 @@ Changelog
 ------------------
 
 * Drop support for Python 3.6
+* Drop dependency on `attr`
 
 6.6.1 (2021-12-17)
 ------------------

pyproject.toml

@@ -18,7 +18,6 @@ Issues = "https://github.com/dmerejkowsky/tbump/issues"
 # Note: keep this in sync with .github/workflows/tests.yml
 python = "^3.7"
 
-attrs = ">= 20.0.0"
 docopt = "^0.6.2"
 cli-ui = ">=0.10.3"
 schema = "^0.7.1"

tbump/cli.py

@@ -1,10 +1,10 @@
 import sys
 import textwrap
 import urllib.parse
+from dataclasses import dataclass
 from pathlib import Path
 from typing import List, Optional
 
-import attr
 import cli_ui as ui
 import docopt
 
@@ -47,13 +47,13 @@ def print_error(self) -> None:
         ui.error("Canceled by user")
 
 
-@attr.s
+@dataclass
 class BumpOptions:
-    working_path: Path = attr.ib()
-    new_version: str = attr.ib()
-    interactive: bool = attr.ib(default=True)
-    dry_run: bool = attr.ib(default=False)
-    config_path: Optional[Path] = attr.ib(default=None)
+    working_path: Path
+    new_version: str
+    interactive: bool = True
+    dry_run: bool = False
+    config_path: Optional[Path] = None
 
 
 def run(cmd: List[str]) -> None:

tbump/config.py

@@ -1,9 +1,9 @@
 import abc
 import re
+from dataclasses import dataclass
 from pathlib import Path
 from typing import Dict, List, Optional, Pattern, Tuple, Union
 
-import attr
 import cli_ui as ui
 import schema
 import tomlkit
@@ -13,32 +13,32 @@
 from tbump.hooks import HOOKS_CLASSES, Hook
 
 
-@attr.s
+@dataclass
 class File:
-    src: str = attr.ib()
-    search: Optional[str] = attr.ib(default=None)
-    version_template: Optional[str] = attr.ib(default=None)
+    src: str
+    search: Optional[str] = None
+    version_template: Optional[str] = None
 
 
-@attr.s
+@dataclass
 class Field:
-    name: str = attr.ib()
-    default: Optional[Union[str, int]] = attr.ib(default=None)
+    name: str
+    default: Optional[Union[str, int]] = None
 
 
-@attr.s
+@dataclass
 class Config:
-    current_version: str = attr.ib()
-    version_regex: Pattern[str] = attr.ib()
+    current_version: str
+    version_regex: Pattern[str]
 
-    git_tag_template: str = attr.ib()
-    git_message_template: str = attr.ib()
+    git_tag_template: str
+    git_message_template: str
 
-    files: List[File] = attr.ib()
-    hooks: List[Hook] = attr.ib()
-    fields: List[Field] = attr.ib()
+    files: List[File]
+    hooks: List[Hook]
+    fields: List[Field]
 
-    github_url: Optional[str] = attr.ib()
+    github_url: Optional[str]
 
 
 class ConfigFile(metaclass=abc.ABCMeta):

tbump/file_bumper.py

@@ -1,22 +1,22 @@
 import glob
 import re
+from dataclasses import dataclass
 from pathlib import Path
 from typing import Dict, List, Optional, Pattern
 
-import attr
 import cli_ui as ui
 
 from tbump.action import Action
 from tbump.config import ConfigFile, Field, File, get_config_file
 from tbump.error import Error
 
 
-@attr.s
+@dataclass
 class ChangeRequest:
-    src: str = attr.ib()
-    old_string: str = attr.ib()
-    new_string: str = attr.ib()
-    search: Optional[str] = attr.ib(default=None)
+    src: str
+    old_string: str
+    new_string: str
+    search: Optional[str] = None
 
 
 class Patch(Action):