multiple: pydantic 2 compatibility, v0.3 (#26443)

Signed-off-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Bagatur <22008038+baskaryan@users.noreply.github.com>
Co-authored-by: Dan O'Donovan <dan.odonovan@gmail.com>
Co-authored-by: Tom Daniel Grande <tomdgrande@gmail.com>
Co-authored-by: Grande <Tom.Daniel.Grande@statsbygg.no>
Co-authored-by: Bagatur <baskaryan@gmail.com>
Co-authored-by: ccurme <chester.curme@gmail.com>
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com>
Co-authored-by: Tomaz Bratanic <bratanic.tomaz@gmail.com>
Co-authored-by: ZhangShenao <15201440436@163.com>
Co-authored-by: Friso H. Kingma <fhkingma@gmail.com>
Co-authored-by: ChengZi <chen.zhang@zilliz.com>
Co-authored-by: Nuno Campos <nuno@langchain.dev>
Co-authored-by: Morgante Pell <morgantep@google.com>

libs/community/langchain_community/tools/playwright/navigate.py

@@ -7,7 +7,7 @@ from langchain_core.callbacks import (
     AsyncCallbackManagerForToolRun,
     CallbackManagerForToolRun,
 )
-from langchain_core.pydantic_v1 import BaseModel, Field, validator
+from pydantic import BaseModel, Field, model_validator
 
 from langchain_community.tools.playwright.base import BaseBrowserTool
 from langchain_community.tools.playwright.utils import (
@@ -21,13 +21,15 @@ class NavigateToolInput(BaseModel):
 
     url: str = Field(..., description="url to navigate to")
 
-    @validator("url")
-    def validate_url_scheme(cls, url: str) -> str:
+    @model_validator(mode="before")
+    @classmethod
+    def validate_url_scheme(cls, values: dict) -> dict:
         """Check that the URL scheme is valid."""
+        url = values.get("url")
         parsed_url = urlparse(url)
         if parsed_url.scheme not in ("http", "https"):
             raise ValueError("URL scheme must be 'http' or 'https'")
-        return url
+        return values
 
 
 class NavigateTool(BaseBrowserTool):