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here is the log from the commit of package python-langchain-anthropic for
openSUSE:Factory checked in at 2026-09-08 16:53:24
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/python-langchain-anthropic (Old)
and /work/SRC/openSUSE:Factory/.python-langchain-anthropic.new.1265 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "python-langchain-anthropic"
Tue Sep 8 16:53:24 2026 rev:12 rq:1375744 version:1.7.1
Changes:
--------
---
/work/SRC/openSUSE:Factory/python-langchain-anthropic/python-langchain-anthropic.changes
2026-08-28 19:48:02.327353189 +0200
+++
/work/SRC/openSUSE:Factory/.python-langchain-anthropic.new.1265/python-langchain-anthropic.changes
2026-09-08 16:54:02.187761847 +0200
@@ -1,0 +2,14 @@
+Fri Sep 4 07:55:23 UTC 2026 - Martin Pluskal <[email protected]>
+
+- Update to 1.7.1:
+ * Add Claude Fable 5.1 support: new claude-fable-5-1 model
+ profile; the model only does adaptive thinking, so a
+ disabled and a manually budgeted thinking block both raise
+ now, as do top_k and non-default top_p/temperature - which
+ are additionally stripped from the request payload
+ * AnthropicPromptCachingMiddleware now omits its inputs from
+ trace payloads when the installed langchain provides
+ TracePolicy
+- Follow upstream and raise the langchain-core floor to 1.6.1
+
+-------------------------------------------------------------------
Old:
----
langchain_anthropic-1.7.0.tar.gz
New:
----
langchain_anthropic-1.7.1.tar.gz
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Other differences:
------------------
++++++ python-langchain-anthropic.spec ++++++
--- /var/tmp/diff_new_pack.m896iH/_old 2026-09-08 16:54:02.976794950 +0200
+++ /var/tmp/diff_new_pack.m896iH/_new 2026-09-08 16:54:02.978795034 +0200
@@ -18,7 +18,7 @@
%{?sle15_python_module_pythons}
Name: python-langchain-anthropic
-Version: 1.7.0
+Version: 1.7.1
Release: 0
Summary: Integration package connecting Claude (Anthropic) APIs and
LangChain
License: MIT
@@ -29,7 +29,7 @@
BuildRequires: fdupes
BuildRequires: python-rpm-macros
Requires: python-anthropic >= 0.120.0
-Requires: python-langchain-core >= 1.6.0
+Requires: python-langchain-core >= 1.6.1
Requires: python-pydantic >= 2.7.4
BuildArch: noarch
# SECTION test requirements
@@ -37,7 +37,7 @@
BuildRequires: %{python_module blockbuster}
BuildRequires: %{python_module defusedxml}
BuildRequires: %{python_module freezegun}
-BuildRequires: %{python_module langchain-core >= 1.6.0}
+BuildRequires: %{python_module langchain-core >= 1.6.1}
BuildRequires: %{python_module pydantic >= 2.7.4}
BuildRequires: %{python_module pytest-asyncio}
BuildRequires: %{python_module pytest-mock}
++++++ langchain_anthropic-1.7.0.tar.gz -> langchain_anthropic-1.7.1.tar.gz
++++++
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/langchain_anthropic-1.7.0/PKG-INFO
new/langchain_anthropic-1.7.1/PKG-INFO
--- old/langchain_anthropic-1.7.0/PKG-INFO 2020-02-02 01:00:00.000000000
+0100
+++ new/langchain_anthropic-1.7.1/PKG-INFO 2020-02-02 01:00:00.000000000
+0100
@@ -1,6 +1,6 @@
Metadata-Version: 2.5
Name: langchain-anthropic
-Version: 1.7.0
+Version: 1.7.1
Summary: Integration package connecting Claude (Anthropic) APIs and LangChain
Project-URL: Homepage,
https://docs.langchain.com/oss/python/integrations/providers/anthropic
Project-URL: Documentation,
https://reference.langchain.com/python/integrations/langchain_anthropic/
@@ -24,7 +24,7 @@
Classifier: Topic :: Scientific/Engineering :: Artificial Intelligence
Requires-Python: <4.0.0,>=3.10.0
Requires-Dist: anthropic<2.0.0,>=0.120.0
-Requires-Dist: langchain-core<2.0.0,>=1.6.0
+Requires-Dist: langchain-core<2.0.0,>=1.6.1
Requires-Dist: pydantic<3.0.0,>=2.7.4
Description-Content-Type: text/markdown
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/langchain_anthropic/_version.py
new/langchain_anthropic-1.7.1/langchain_anthropic/_version.py
--- old/langchain_anthropic-1.7.0/langchain_anthropic/_version.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.7.1/langchain_anthropic/_version.py
2020-02-02 01:00:00.000000000 +0100
@@ -1,3 +1,3 @@
"""Version information for `langchain-anthropic`."""
-__version__ = "1.7.0"
+__version__ = "1.7.1"
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/langchain_anthropic/chat_models.py
new/langchain_anthropic-1.7.1/langchain_anthropic/chat_models.py
--- old/langchain_anthropic-1.7.0/langchain_anthropic/chat_models.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.7.1/langchain_anthropic/chat_models.py
2020-02-02 01:00:00.000000000 +0100
@@ -1511,8 +1511,34 @@
if effort:
output_config["effort"] = effort
+ is_fable_model = self.model.startswith("claude-fable-5")
+ if is_fable_model:
+ top_k = request_config.get("top_k", self.top_k)
+ top_p = request_config.get("top_p", self.top_p)
+ temperature = request_config.get("temperature", self.temperature)
+ if top_k is not None:
+ msg = f"`top_k` is not supported for {self.model}."
+ raise ValueError(msg)
+ if top_p is not None and top_p != 1:
+ msg = (
+ f"`top_p` is not supported for {self.model} at non-default
values."
+ )
+ raise ValueError(msg)
+ if temperature is not None and temperature != 1:
+ msg = (
+ f"`temperature` is not supported for {self.model} at "
+ "non-default values."
+ )
+ raise ValueError(msg)
+ if isinstance(thinking, Mapping) and thinking.get("type") ==
"disabled":
+ msg = (
+ '`thinking={"type": "disabled"}` is not supported for '
+ f"{self.model}; omit `thinking` to use adaptive thinking."
+ )
+ raise ValueError(msg)
+
if (
- self.model.startswith("claude-opus-5")
+ (self.model.startswith("claude-opus-5") or is_fable_model)
and isinstance(thinking, Mapping)
and thinking.get("type") == "enabled"
):
@@ -1625,6 +1651,10 @@
payload["thinking"] = self.thinking
if self.inference_geo is not None:
payload["inference_geo"] = self.inference_geo
+ if self.model.startswith("claude-fable-5"):
+ payload.pop("temperature", None)
+ payload.pop("top_k", None)
+ payload.pop("top_p", None)
# Handle output_config and effort parameter
# Priority: kwarg `effort`/`reasoning_effort` > kwarg `output_config`
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/langchain_anthropic/data/_profiles.py
new/langchain_anthropic-1.7.1/langchain_anthropic/data/_profiles.py
--- old/langchain_anthropic-1.7.0/langchain_anthropic/data/_profiles.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.7.1/langchain_anthropic/data/_profiles.py
2020-02-02 01:00:00.000000000 +0100
@@ -50,6 +50,40 @@
],
"reasoning_effort_default": "high",
},
+ "claude-fable-5-1": {
+ "name": "Claude Fable 5.1",
+ "release_date": "2026-09-01",
+ "last_updated": "2026-09-01",
+ "open_weights": False,
+ "max_input_tokens": 1000000,
+ "max_output_tokens": 128000,
+ "text_inputs": True,
+ "image_inputs": True,
+ "audio_inputs": False,
+ "pdf_inputs": True,
+ "video_inputs": False,
+ "text_outputs": True,
+ "image_outputs": False,
+ "audio_outputs": False,
+ "video_outputs": False,
+ "reasoning_output": True,
+ "tool_calling": True,
+ "structured_output": True,
+ "attachment": True,
+ "temperature": False,
+ "image_url_inputs": True,
+ "pdf_tool_message": True,
+ "image_tool_message": True,
+ "tool_call_streaming": True,
+ "reasoning_effort_levels": [
+ "low",
+ "medium",
+ "high",
+ "xhigh",
+ "max",
+ ],
+ "reasoning_effort_default": "high",
+ },
"claude-haiku-4-5": {
"name": "Claude Haiku 4.5 (latest)",
"release_date": "2025-10-15",
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/langchain_anthropic/data/profile_augmentations.toml
new/langchain_anthropic-1.7.1/langchain_anthropic/data/profile_augmentations.toml
---
old/langchain_anthropic-1.7.0/langchain_anthropic/data/profile_augmentations.toml
2020-02-02 01:00:00.000000000 +0100
+++
new/langchain_anthropic-1.7.1/langchain_anthropic/data/profile_augmentations.toml
2020-02-02 01:00:00.000000000 +0100
@@ -57,3 +57,8 @@
structured_output = true
reasoning_effort_levels = ["low", "medium", "high", "xhigh", "max"]
reasoning_effort_default = "high"
+
+[overrides."claude-fable-5-1"]
+structured_output = true
+reasoning_effort_levels = ["low", "medium", "high", "xhigh", "max"]
+reasoning_effort_default = "high"
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/langchain_anthropic/middleware/prompt_caching.py
new/langchain_anthropic-1.7.1/langchain_anthropic/middleware/prompt_caching.py
---
old/langchain_anthropic-1.7.0/langchain_anthropic/middleware/prompt_caching.py
2020-02-02 01:00:00.000000000 +0100
+++
new/langchain_anthropic-1.7.1/langchain_anthropic/middleware/prompt_caching.py
2020-02-02 01:00:00.000000000 +0100
@@ -32,6 +32,18 @@
raise ImportError(msg) from e
+def _get_trace_policy() -> Any:
+ """Use tracing optimizations when supported by the installed LangChain."""
+ try:
+ from langchain.agents.middleware.types import TracePolicy, omit_payload
+ except ImportError:
+ return None
+ return TracePolicy(process_inputs=omit_payload)
+
+
+_TRACE_POLICY = _get_trace_policy()
+
+
class AnthropicPromptCachingMiddleware(AgentMiddleware):
"""Prompt Caching Middleware.
@@ -55,6 +67,8 @@
[here](https://platform.claude.com/docs/en/build-with-claude/prompt-caching).
"""
+ trace_policy = _TRACE_POLICY
+
def __init__(
self,
type: Literal["ephemeral"] = "ephemeral", # noqa: A002
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/langchain_anthropic-1.7.0/pyproject.toml
new/langchain_anthropic-1.7.1/pyproject.toml
--- old/langchain_anthropic-1.7.0/pyproject.toml 2020-02-02
01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.7.1/pyproject.toml 2020-02-02
01:00:00.000000000 +0100
@@ -20,11 +20,11 @@
"Topic :: Scientific/Engineering :: Artificial Intelligence",
]
-version = "1.7.0"
+version = "1.7.1"
requires-python = ">=3.10.0,<4.0.0"
dependencies = [
"anthropic>=0.120.0,<2.0.0",
- "langchain-core>=1.6.0,<2.0.0",
+ "langchain-core>=1.6.1,<2.0.0",
"pydantic>=2.7.4,<3.0.0",
]
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/tests/unit_tests/middleware/test_prompt_caching.py
new/langchain_anthropic-1.7.1/tests/unit_tests/middleware/test_prompt_caching.py
---
old/langchain_anthropic-1.7.0/tests/unit_tests/middleware/test_prompt_caching.py
2020-02-02 01:00:00.000000000 +0100
+++
new/langchain_anthropic-1.7.1/tests/unit_tests/middleware/test_prompt_caching.py
2020-02-02 01:00:00.000000000 +0100
@@ -1,8 +1,9 @@
"""Tests for Anthropic prompt caching middleware."""
import warnings
+from types import ModuleType
from typing import Any, cast
-from unittest.mock import MagicMock
+from unittest.mock import MagicMock, patch
import pytest
from langchain.agents.middleware.types import ModelRequest, ModelResponse
@@ -17,7 +18,10 @@
from langgraph.runtime import Runtime
from langchain_anthropic.chat_models import ChatAnthropic
-from langchain_anthropic.middleware import AnthropicPromptCachingMiddleware
+from langchain_anthropic.middleware import (
+ AnthropicPromptCachingMiddleware,
+ prompt_caching,
+)
class FakeToolCallingModel(BaseChatModel):
@@ -52,6 +56,18 @@
return "fake-tool-call-model"
+def test_trace_inputs_are_omitted() -> None:
+ policy = AnthropicPromptCachingMiddleware.trace_policy
+ assert policy.process_inputs is not None
+ assert policy.process_inputs({"messages": [HumanMessage("foo")]}) == {}
+
+
+def test_trace_policy_unsupported_langchain() -> None:
+ old_types = ModuleType("langchain.agents.middleware.types")
+ with patch.dict("sys.modules", {"langchain.agents.middleware.types":
old_types}):
+ assert prompt_caching._get_trace_policy() is None
+
+
def test_anthropic_prompt_caching_middleware_initialization() -> None:
"""Test AnthropicPromptCachingMiddleware initialization."""
# Test with custom values
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore'
old/langchain_anthropic-1.7.0/tests/unit_tests/test_chat_models.py
new/langchain_anthropic-1.7.1/tests/unit_tests/test_chat_models.py
--- old/langchain_anthropic-1.7.0/tests/unit_tests/test_chat_models.py
2020-02-02 01:00:00.000000000 +0100
+++ new/langchain_anthropic-1.7.1/tests/unit_tests/test_chat_models.py
2020-02-02 01:00:00.000000000 +0100
@@ -3911,6 +3911,36 @@
assert payload["output_config"]["effort"] == "high"
[email protected](
+ ("kwargs", "match"),
+ [
+ ({"thinking": {"type": "disabled"}}, r"not supported for
claude-fable-5-1"),
+ ({"top_k": 1}, r"`top_k` is not supported"),
+ ({"top_p": 0.9}, r"`top_p` is not supported"),
+ ({"temperature": 0.1}, r"`temperature` is not supported"),
+ ],
+)
+def test_fable_5_1_rejects_unsupported_parameters(
+ kwargs: dict[str, object], match: str
+) -> None:
+ """Fable 5.1 only supports adaptive thinking and default sampling."""
+ model = ChatAnthropic(model="claude-fable-5-1", **kwargs)
+
+ with pytest.raises(ValueError, match=match):
+ model._get_request_payload("Test query")
+
+
+def test_fable_5_1_rejects_manual_thinking() -> None:
+ """Fable 5.1 does not support manual thinking budgets."""
+ model = ChatAnthropic(
+ model="claude-fable-5-1",
+ thinking={"type": "enabled", "budget_tokens": 1_024},
+ )
+
+ with pytest.raises(ValueError, match=r"use adaptive thinking"):
+ model._get_request_payload("Test query")
+
+
def test_reasoning_effort_defaults_adaptive_thinking() -> None:
"""Test that `reasoning_effort` also defaults `thinking` to adaptive.
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/langchain_anthropic-1.7.0/uv.lock
new/langchain_anthropic-1.7.1/uv.lock
--- old/langchain_anthropic-1.7.0/uv.lock 2020-02-02 01:00:00.000000000
+0100
+++ new/langchain_anthropic-1.7.1/uv.lock 2020-02-02 01:00:00.000000000
+0100
@@ -583,7 +583,7 @@
[[package]]
name = "langchain"
-version = "1.3.17"
+version = "1.3.18"
source = { editable = "../../langchain_v1" }
dependencies = [
{ name = "langchain-core" },
@@ -638,7 +638,7 @@
{ name = "langchain-text-splitters", editable = "../../text-splitters" },
{ name = "langchainhub", specifier = ">=0.1.16,<1.0.0" },
{ name = "python-dotenv", specifier = ">=1.0.0,<2.0.0" },
- { name = "vcrpy", specifier = ">=8.0.0,<9.0.0" },
+ { name = "vcrpy", specifier = ">=8.2.0,<9.0.0" },
{ name = "wrapt", specifier = ">=1.15.0,<3.0.0" },
]
typing = [
@@ -648,7 +648,7 @@
[[package]]
name = "langchain-anthropic"
-version = "1.7.0"
+version = "1.7.1"
source = { editable = "." }
dependencies = [
{ name = "anthropic" },
@@ -826,7 +826,7 @@
{ name = "pytest-codspeed" },
{ name = "pytest-recording" },
{ name = "pytest-socket", specifier = ">=0.7.0,<1.0.0" },
- { name = "syrupy", specifier = ">=5.0.0,<6.0.0" },
+ { name = "syrupy", specifier = ">=5.0.0,<7.0.0" },
{ name = "vcrpy", specifier = ">=8.2.1,<9.0.0" },
]
