release: 0.43.0

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.42.0"
+  ".": "0.43.0"
 }

.stats.yml

@@ -1,2 +1,2 @@
-configured_endpoints: 19
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic-be055148d227480fcacc9086c37ac8009dcb487731069ada51af35044f65bee4.yml
+configured_endpoints: 21
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/anthropic-fd67aea6883f1ee9e46f31a42d3940f0acb1749e787055bd9b9f278b20fa53ec.yml

CHANGELOG.md

@@ -1,5 +1,46 @@
 # Changelog
 
+## 0.43.0 (2025-01-14)
+
+Full Changelog: [v0.42.0...v0.43.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.42.0...v0.43.0)
+
+### Features
+
+* **api:** add message batch delete endpoint ([#802](https://github.com/anthropics/anthropic-sdk-python/issues/802)) ([9cf1e99](https://github.com/anthropics/anthropic-sdk-python/commit/9cf1e9920d3e0ce8496859b119f19eed8cd75e2b))
+* **beta:** add streaming helpers for beta messages ([#819](https://github.com/anthropics/anthropic-sdk-python/issues/819)) ([d913ba3](https://github.com/anthropics/anthropic-sdk-python/commit/d913ba35eb3a95e80154b9d35e4c0a9f4a8dfeb1))
+
+
+### Bug Fixes
+
+* **client:** only call .close() when needed ([#811](https://github.com/anthropics/anthropic-sdk-python/issues/811)) ([21e0eb3](https://github.com/anthropics/anthropic-sdk-python/commit/21e0eb3c2bb043814541c9dcb68498066be1fc78))
+* correctly handle deserialising `cls` fields ([#817](https://github.com/anthropics/anthropic-sdk-python/issues/817)) ([60e56a5](https://github.com/anthropics/anthropic-sdk-python/commit/60e56a5fb4413a97586df84c86765947b7ff92e5))
+* **types:** allow extra properties in input schemas ([d0961c2](https://github.com/anthropics/anthropic-sdk-python/commit/d0961c2fcbe7370f145512facad8aab175798158))
+
+
+### Chores
+
+* add missing isclass check ([#806](https://github.com/anthropics/anthropic-sdk-python/issues/806)) ([1fc034d](https://github.com/anthropics/anthropic-sdk-python/commit/1fc034d784e9a8b30866a8058a4bd50ec2605fd3))
+* bump testing data uri ([#800](https://github.com/anthropics/anthropic-sdk-python/issues/800)) ([641ae8d](https://github.com/anthropics/anthropic-sdk-python/commit/641ae8d412e365e44c8965222f487e30a63d57ee))
+* **internal:** bump httpx dependency ([#809](https://github.com/anthropics/anthropic-sdk-python/issues/809)) ([7d678f1](https://github.com/anthropics/anthropic-sdk-python/commit/7d678f19b86ac1ad5d18ed47739d3df64187c843))
+* **internal:** minor reformatting ([5a80668](https://github.com/anthropics/anthropic-sdk-python/commit/5a806684c4aaaf7d493bf9ef193e8031f7290b78))
+* **internal:** update deps ([#820](https://github.com/anthropics/anthropic-sdk-python/issues/820)) ([32c3e1a](https://github.com/anthropics/anthropic-sdk-python/commit/32c3e1a63da74919dc0cb10a16b731afc2589cf5))
+* **internal:** update examples ([#810](https://github.com/anthropics/anthropic-sdk-python/issues/810)) ([bb588ca](https://github.com/anthropics/anthropic-sdk-python/commit/bb588ca71a374b38797390c62bee66a0329c28a0))
+* **vertex:** remove deprecated HTTP client options ([3f4eada](https://github.com/anthropics/anthropic-sdk-python/commit/3f4eada664421accec6f33a7ead44101323d0b14))
+* **vertex:** remove deprecated HTTP client options ([c82f3e8](https://github.com/anthropics/anthropic-sdk-python/commit/c82f3e8ce16e8840cce94e023a82c596432f5c98))
+
+
+### Documentation
+
+* fix typos ([#812](https://github.com/anthropics/anthropic-sdk-python/issues/812)) ([8f46cae](https://github.com/anthropics/anthropic-sdk-python/commit/8f46cae8af228c9520bf95383afd1dce49198517))
+* fix typos ([#813](https://github.com/anthropics/anthropic-sdk-python/issues/813)) ([ac44348](https://github.com/anthropics/anthropic-sdk-python/commit/ac443484c21e89bf0c491179613ae61709f87cb9))
+* **readme:** fix misplaced period ([#816](https://github.com/anthropics/anthropic-sdk-python/issues/816)) ([4358226](https://github.com/anthropics/anthropic-sdk-python/commit/4358226929ffc3a7f1cb49489b7288ab870e636b))
+
+
+### Refactors
+
+* **stream:** make `MessageStream` wrap `Stream` directly ([#805](https://github.com/anthropics/anthropic-sdk-python/issues/805)) ([5669399](https://github.com/anthropics/anthropic-sdk-python/commit/56693993cce931fb0ae12d8890099069c4c95dff))
+* **vertex:** remove deprecated HTTP client options ([#808](https://github.com/anthropics/anthropic-sdk-python/issues/808)) ([3f4eada](https://github.com/anthropics/anthropic-sdk-python/commit/3f4eada664421accec6f33a7ead44101323d0b14))
+
 ## 0.42.0 (2024-12-17)
 
 Full Changelog: [v0.41.0...v0.42.0](https://github.com/anthropics/anthropic-sdk-python/compare/v0.41.0...v0.42.0)

README.md

@@ -412,7 +412,7 @@ except anthropic.APIStatusError as e:
     print(e.response)
 ```
 
-Error codes are as followed:
+Error codes are as follows:
 
 | Status Code | Error Type                 |
 | ----------- | -------------------------- |
@@ -579,7 +579,7 @@ message = response.parse()  # get the object that `messages.create()` would have
 print(message.content)
 ```
 
-These methods return an [`LegacyAPIResponse`](https://github.com/anthropics/anthropic-sdk-python/tree/main/src/anthropic/_legacy_response.py) object. This is a legacy class as we're changing it slightly in the next major version.
+These methods return a [`LegacyAPIResponse`](https://github.com/anthropics/anthropic-sdk-python/tree/main/src/anthropic/_legacy_response.py) object. This is a legacy class as we're changing it slightly in the next major version.
 
 For the sync client this will mostly be the same with the exception
 of `content` & `text` will be methods instead of properties. In the
@@ -624,8 +624,7 @@ If you need to access undocumented endpoints, params, or response properties, th
 #### Undocumented endpoints
 
 To make requests to undocumented endpoints, you can make requests using `client.get`, `client.post`, and other
-http verbs. Options on the client will be respected (such as retries) when making this
-request.
+http verbs. Options on the client will be respected (such as retries) when making this request.
 
 ```py
 import httpx
@@ -697,7 +696,7 @@ with Anthropic() as client:
 This package generally follows [SemVer](https://semver.org/spec/v2.0.0.html) conventions, though certain backwards-incompatible changes may be released as minor versions:
 
 1. Changes that only affect static types, without breaking runtime behavior.
-2. Changes to library internals which are technically public but not intended or documented for external use. _(Please open a GitHub issue to let us know if you are relying on such internals)_.
+2. Changes to library internals which are technically public but not intended or documented for external use. _(Please open a GitHub issue to let us know if you are relying on such internals.)_
 3. Changes that we do not expect to impact the vast majority of users in practice.
 
 We take backwards-compatibility seriously and work hard to ensure you can rely on a smooth upgrade experience.

api.md

@@ -76,6 +76,7 @@ Types:
 
 ```python
 from anthropic.types.messages import (
+    DeletedMessageBatch,
     MessageBatch,
     MessageBatchCanceledResult,
     MessageBatchErroredResult,
@@ -92,6 +93,7 @@ Methods:
 - <code title="post /v1/messages/batches">client.messages.batches.<a href="./src/anthropic/resources/messages/batches.py">create</a>(\*\*<a href="src/anthropic/types/messages/batch_create_params.py">params</a>) -> <a href="./src/anthropic/types/messages/message_batch.py">MessageBatch</a></code>
 - <code title="get /v1/messages/batches/{message_batch_id}">client.messages.batches.<a href="./src/anthropic/resources/messages/batches.py">retrieve</a>(message_batch_id) -> <a href="./src/anthropic/types/messages/message_batch.py">MessageBatch</a></code>
 - <code title="get /v1/messages/batches">client.messages.batches.<a href="./src/anthropic/resources/messages/batches.py">list</a>(\*\*<a href="src/anthropic/types/messages/batch_list_params.py">params</a>) -> <a href="./src/anthropic/types/messages/message_batch.py">SyncPage[MessageBatch]</a></code>
+- <code title="delete /v1/messages/batches/{message_batch_id}">client.messages.batches.<a href="./src/anthropic/resources/messages/batches.py">delete</a>(message_batch_id) -> <a href="./src/anthropic/types/messages/deleted_message_batch.py">DeletedMessageBatch</a></code>
 - <code title="post /v1/messages/batches/{message_batch_id}/cancel">client.messages.batches.<a href="./src/anthropic/resources/messages/batches.py">cancel</a>(message_batch_id) -> <a href="./src/anthropic/types/messages/message_batch.py">MessageBatch</a></code>
 - <code title="get /v1/messages/batches/{message_batch_id}/results">client.messages.batches.<a href="./src/anthropic/resources/messages/batches.py">results</a>(message_batch_id) -> BinaryAPIResponse</code>
 
@@ -197,6 +199,7 @@ Types:
 
 ```python
 from anthropic.types.beta.messages import (
+    BetaDeletedMessageBatch,
     BetaMessageBatch,
     BetaMessageBatchCanceledResult,
     BetaMessageBatchErroredResult,
@@ -213,5 +216,6 @@ Methods:
 - <code title="post /v1/messages/batches?beta=true">client.beta.messages.batches.<a href="./src/anthropic/resources/beta/messages/batches.py">create</a>(\*\*<a href="src/anthropic/types/beta/messages/batch_create_params.py">params</a>) -> <a href="./src/anthropic/types/beta/messages/beta_message_batch.py">BetaMessageBatch</a></code>
 - <code title="get /v1/messages/batches/{message_batch_id}?beta=true">client.beta.messages.batches.<a href="./src/anthropic/resources/beta/messages/batches.py">retrieve</a>(message_batch_id) -> <a href="./src/anthropic/types/beta/messages/beta_message_batch.py">BetaMessageBatch</a></code>
 - <code title="get /v1/messages/batches?beta=true">client.beta.messages.batches.<a href="./src/anthropic/resources/beta/messages/batches.py">list</a>(\*\*<a href="src/anthropic/types/beta/messages/batch_list_params.py">params</a>) -> <a href="./src/anthropic/types/beta/messages/beta_message_batch.py">SyncPage[BetaMessageBatch]</a></code>
+- <code title="delete /v1/messages/batches/{message_batch_id}?beta=true">client.beta.messages.batches.<a href="./src/anthropic/resources/beta/messages/batches.py">delete</a>(message_batch_id) -> <a href="./src/anthropic/types/beta/messages/beta_deleted_message_batch.py">BetaDeletedMessageBatch</a></code>
 - <code title="post /v1/messages/batches/{message_batch_id}/cancel?beta=true">client.beta.messages.batches.<a href="./src/anthropic/resources/beta/messages/batches.py">cancel</a>(message_batch_id) -> <a href="./src/anthropic/types/beta/messages/beta_message_batch.py">BetaMessageBatch</a></code>
 - <code title="get /v1/messages/batches/{message_batch_id}/results?beta=true">client.beta.messages.batches.<a href="./src/anthropic/resources/beta/messages/batches.py">results</a>(message_batch_id) -> BinaryAPIResponse</code>

mypy.ini

@@ -41,7 +41,7 @@ cache_fine_grained = True
 # ```
 # Changing this codegen to make mypy happy would increase complexity
 # and would not be worth it.
-disable_error_code = func-returns-value
+disable_error_code = func-returns-value,overload-cannot-match
 
 # https://github.com/python/mypy/issues/12162
 [mypy.overrides]

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "anthropic"
-version = "0.42.0"
+version = "0.43.0"
 description = "The official Python library for the anthropic API"
 dynamic = ["readme"]
 license = "MIT"
@@ -60,7 +60,7 @@ dev-dependencies = [
     "importlib-metadata>=6.7.0",
     "boto3-stubs >= 1",
     "rich>=13.7.1",
-    "nest_asyncio==1.6.0"
+    "nest_asyncio==1.6.0",
 ]
 
 [tool.rye.scripts]

requirements-dev.lock

@@ -48,7 +48,7 @@ h11==0.14.0
     # via httpcore
 httpcore==1.0.2
     # via httpx
-httpx==0.25.2
+httpx==0.28.1
     # via anthropic
     # via respx
 idna==3.4
@@ -66,7 +66,7 @@ markdown-it-py==3.0.0
     # via rich
 mdurl==0.1.2
     # via markdown-it-py
-mypy==1.13.0
+mypy==1.14.1
 mypy-extensions==1.0.0
     # via mypy
 nest-asyncio==1.6.0
@@ -91,7 +91,7 @@ pydantic-core==2.27.1
     # via pydantic
 pygments==2.18.0
     # via rich
-pyright==1.1.390
+pyright==1.1.391
 pytest==8.3.3
     # via pytest-asyncio
 pytest-asyncio==0.24.0
@@ -100,7 +100,7 @@ python-dateutil==2.8.2
     # via time-machine
 pytz==2023.3.post1
     # via dirty-equals
-respx==0.20.2
+respx==0.22.0
 rich==13.7.1
 rsa==4.9
     # via google-auth
@@ -114,7 +114,6 @@ six==1.16.0
 sniffio==1.3.0
     # via anthropic
     # via anyio
-    # via httpx
 time-machine==2.9.0
 tomli==2.0.2
     # via mypy

requirements.lock

@@ -35,7 +35,7 @@ h11==0.14.0
     # via httpcore
 httpcore==1.0.2
     # via httpx
-httpx==0.25.2
+httpx==0.28.1
     # via anthropic
 idna==3.4
     # via anyio
@@ -65,7 +65,6 @@ six==1.16.0
 sniffio==1.3.0
     # via anthropic
     # via anyio
-    # via httpx
 typing-extensions==4.12.2
     # via anthropic
     # via anyio

src/anthropic/_base_client.py

@@ -768,6 +768,9 @@ def __init__(self, **kwargs: Any) -> None:
 
 class SyncHttpxClientWrapper(DefaultHttpxClient):
     def __del__(self) -> None:
+        if self.is_closed:
+            return
+
         try:
             self.close()
         except Exception:
@@ -1350,6 +1353,9 @@ def __init__(self, **kwargs: Any) -> None:
 
 class AsyncHttpxClientWrapper(DefaultAsyncHttpxClient):
     def __del__(self) -> None:
+        if self.is_closed:
+            return
+
         try:
             # TODO(someday): support non asyncio runtimes here
             asyncio.get_running_loop().create_task(self.aclose())

src/anthropic/_models.py

@@ -195,14 +195,14 @@ def __str__(self) -> str:
     @classmethod
     @override
     def construct(  # pyright: ignore[reportIncompatibleMethodOverride]
-        cls: Type[ModelT],
+        __cls: Type[ModelT],
         _fields_set: set[str] | None = None,
         **values: object,
     ) -> ModelT:
-        m = cls.__new__(cls)
+        m = __cls.__new__(__cls)
         fields_values: dict[str, object] = {}
 
-        config = get_model_config(cls)
+        config = get_model_config(__cls)
         populate_by_name = (
             config.allow_population_by_field_name
             if isinstance(config, _ConfigProtocol)
@@ -212,7 +212,7 @@ def construct(  # pyright: ignore[reportIncompatibleMethodOverride]
         if _fields_set is None:
             _fields_set = set()
 
-        model_fields = get_model_fields(cls)
+        model_fields = get_model_fields(__cls)
         for name, field in model_fields.items():
             key = field.alias
             if key is None or (key not in values and populate_by_name):
@@ -504,7 +504,11 @@ def construct_type(*, value: object, type_: object) -> object:
         _, items_type = get_args(type_)  # Dict[_, items_type]
         return {key: construct_type(value=item, type_=items_type) for key, item in value.items()}
 
-    if not is_literal_type(type_) and (issubclass(origin, BaseModel) or issubclass(origin, GenericModel)):
+    if (
+        not is_literal_type(type_)
+        and inspect.isclass(origin)
+        and (issubclass(origin, BaseModel) or issubclass(origin, GenericModel))
+    ):
         if is_list(value):
             return [cast(Any, type_).construct(**entry) if is_mapping(entry) else entry for entry in value]
 

src/anthropic/_version.py

@@ -1,4 +1,4 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 __title__ = "anthropic"
-__version__ = "0.42.0"  # x-release-please-version
+__version__ = "0.43.0"  # x-release-please-version

src/anthropic/lib/bedrock/_client.py

@@ -55,11 +55,11 @@ def _prepare_options(input_options: FinalRequestOptions) -> FinalRequestOptions:
         else:
             options.url = f"/model/{model}/invoke"
 
-    if options.url.startswith('/v1/messages/batches'):
-        raise AnthropicError('The Batch API is not supported in Bedrock yet')
-    
-    if options.url == '/v1/messages/count_tokens':
-        raise AnthropicError('Token counting is not supported in Bedrock yet')
+    if options.url.startswith("/v1/messages/batches"):
+        raise AnthropicError("The Batch API is not supported in Bedrock yet")
+
+    if options.url == "/v1/messages/count_tokens":
+        raise AnthropicError("Token counting is not supported in Bedrock yet")
 
     return options
 

src/anthropic/lib/streaming/__init__.py

@@ -11,3 +11,16 @@
     MessageStreamManager as MessageStreamManager,
     AsyncMessageStreamManager as AsyncMessageStreamManager,
 )
+from ._beta_types import (
+    BetaTextEvent as BetaTextEvent,
+    BetaInputJsonEvent as BetaInputJsonEvent,
+    BetaMessageStopEvent as BetaMessageStopEvent,
+    BetaMessageStreamEvent as BetaMessageStreamEvent,
+    BetaContentBlockStopEvent as BetaContentBlockStopEvent,
+)
+from ._beta_messages import (
+    BetaMessageStream as BetaMessageStream,
+    BetaAsyncMessageStream as BetaAsyncMessageStream,
+    BetaMessageStreamManager as BetaMessageStreamManager,
+    BetaAsyncMessageStreamManager as BetaAsyncMessageStreamManager,
+)