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[Anthropic] Shallow Copy (#27105)

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Co-authored-by: Erick Friis <erick@langchain.dev>
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William FH 2024-10-15 08:50:48 -07:00 committed by GitHub
parent c6533616b6
commit 0a3e089827
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1 changed files with 8 additions and 6 deletions
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14
libs/partners/anthropic/langchain_anthropic/chat_models.py
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@ -1,3 +1,4 @@
import copy
import re
import warnings
from operator import itemgetter
@ -116,7 +117,6 @@ def _merge_messages(
"""Merge runs of human/tool messages into single human messages with content blocks.""" # noqa: E501
merged: list = []
for curr in messages:
curr = curr.model_copy(deep=True)
if isinstance(curr, ToolMessage):
if (
isinstance(curr.content, list)
@ -143,12 +143,12 @@ def _merge_messages(
if isinstance(last.content, str):
new_content: List = [{"type": "text", "text": last.content}]
else:
new_content = last.content
new_content = copy.copy(last.content)
if isinstance(curr.content, str):
new_content.append({"type": "text", "text": curr.content})
else:
new_content.extend(curr.content)
last.content = new_content
merged[-1] = curr.model_copy(update={"content": new_content}, deep=False)
else:
merged.append(curr)
return merged
@ -178,9 +178,11 @@ def _format_messages(
raise ValueError("System message must be at beginning of message list.")
if isinstance(message.content, list):
system = [
block
if isinstance(block, dict)
else {"type": "text", "text": "block"}
(
block
if isinstance(block, dict)
else {"type": "text", "text": "block"}
)
for block in message.content
]
else: