Add py.typed marker and complete type annotations

Add PEP 561 py.typed marker so type checkers (mypy, pyright) recognize
the package as typed. Complete type annotations for all public methods
missing them: context manager protocol, createTask/createTaskSmee
parameter types, and exception subclass constructors.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Adam Dobrawy

pyproject.toml

@@ -31,6 +31,9 @@ async = ["httpx>=0.24"]
 tests = ["pytest", "retry", "selenium"]
 docs = ["sphinx"]
 
+[tool.setuptools.package-data]
+python_anticaptcha = ["py.typed"]
+
 [tool.setuptools-scm]
 fallback_version = "0.0.0"
 

python_anticaptcha/base.py

@@ -5,10 +5,12 @@
 import time
 import json
 import warnings
+from types import TracebackType
 from typing import Any
 
 from urllib.parse import urljoin
 from .exceptions import AnticaptchaException
+from .tasks import BaseTask
 
 SLEEP_EVERY_CHECK_FINISHED = 3
 MAXIMUM_JOIN_TIME = 60 * 5
@@ -111,14 +113,19 @@ def __init__(
         )
         self.session = requests.Session()
 
-    def __enter__(self):
+    def __enter__(self) -> AnticaptchaClient:
         return self
 
-    def __exit__(self, exc_type, exc_val, exc_tb):
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> bool:
         self.session.close()
         return False
 
-    def close(self):
+    def close(self) -> None:
         self.session.close()
 
     def __repr__(self) -> str:
@@ -146,7 +153,7 @@ def _check_response(self, response: dict[str, Any]) -> None:
                 response["errorId"], response["errorCode"], response["errorDescription"]
             )
 
-    def createTask(self, task: Any) -> Job:
+    def createTask(self, task: BaseTask) -> Job:
         request = {
             "clientKey": self.client_key,
             "task": task.serialize(),
@@ -161,7 +168,7 @@ def createTask(self, task: Any) -> Job:
         self._check_response(response)
         return Job(self, response["taskId"])
 
-    def createTaskSmee(self, task: Any, timeout: int = MAXIMUM_JOIN_TIME) -> Job:
+    def createTaskSmee(self, task: BaseTask, timeout: int = MAXIMUM_JOIN_TIME) -> Job:
         """
         Beta method to stream response from smee.io
         """

python_anticaptcha/exceptions.py

@@ -15,7 +15,7 @@ def __init__(self, error_id: int | str | None, error_code: int | str, error_desc
 
 
 class InvalidWidthException(AnticaptchaException):
-    def __init__(self, width):
+    def __init__(self, width: int) -> None:
         self.width = width
         msg = "Invalid width (%s). Can be one of these: 100, 50, 33, 25." % (
             self.width,
@@ -24,7 +24,7 @@ def __init__(self, width):
 
 
 class MissingNameException(AnticaptchaException):
-    def __init__(self, cls):
+    def __init__(self, cls: type) -> None:
         self.cls = cls
         msg = 'Missing name data in {0}. Provide {0}.__init__(name="X") or {0}.serialize(name="X")'.format(
             str(self.cls)