community[patch]: update @root_validator in utilities namespace (#23768)

Update all utilities to use `pre=True` or `pre=False`

https://github.com/langchain-ai/langchain/issues/22819

libs/community/langchain_community/utilities/bibtex.py

@@ -40,7 +40,7 @@ class BibtexparserWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the python package exists in environment."""
         try:

libs/community/langchain_community/utilities/cassandra_database.py

@@ -482,7 +482,7 @@ class Table(BaseModel):
     class Config:
         frozen = True
 
-    @root_validator()
+    @root_validator(pre=False, skip_on_failure=True)
     def check_required_fields(cls, class_values: dict) -> dict:
         if not class_values["columns"]:
             raise ValueError("non-empty column list for must be provided")

libs/community/langchain_community/utilities/clickup.py

@@ -323,7 +323,7 @@ class ClickupAPIWrapper(BaseModel):
 
         return data["access_token"]
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         values["access_token"] = get_from_dict_or_env(

libs/community/langchain_community/utilities/dalle_image_generator.py

@@ -89,7 +89,7 @@ class DallEAPIWrapper(BaseModel):
         values["model_kwargs"] = extra
         return values
 
-    @root_validator()
+    @root_validator(pre=False, skip_on_failure=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         values["openai_api_key"] = get_from_dict_or_env(

libs/community/langchain_community/utilities/dataforseo_api_search.py

@@ -42,7 +42,7 @@ class DataForSeoAPIWrapper(BaseModel):
     aiosession: Optional[aiohttp.ClientSession] = None
     """The aiohttp session to use for the DataForSEO SERP API."""
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that login and password exists in environment."""
         login = get_from_dict_or_env(values, "api_login", "DATAFORSEO_LOGIN")

libs/community/langchain_community/utilities/dataherald.py

@@ -26,7 +26,7 @@ class DataheraldAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         dataherald_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/duckduckgo_search.py

@@ -41,7 +41,7 @@ class DuckDuckGoSearchAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that python package exists in environment."""
         try:

libs/community/langchain_community/utilities/github.py

@@ -42,7 +42,7 @@ class GitHubAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         github_repository = get_from_dict_or_env(

libs/community/langchain_community/utilities/gitlab.py

@@ -34,7 +34,7 @@ class GitLabAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
 

libs/community/langchain_community/utilities/golden_query.py

@@ -28,7 +28,7 @@ class GoldenQueryAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         golden_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/google_finance.py

@@ -29,7 +29,7 @@ class GoogleFinanceAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         values["serp_api_key"] = convert_to_secret_str(

libs/community/langchain_community/utilities/google_jobs.py

@@ -29,7 +29,7 @@ class GoogleJobsAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         values["serp_api_key"] = convert_to_secret_str(

libs/community/langchain_community/utilities/google_lens.py

@@ -35,7 +35,7 @@ class GoogleLensAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         values["serp_api_key"] = convert_to_secret_str(

libs/community/langchain_community/utilities/google_places_api.py

@@ -43,7 +43,7 @@ class GooglePlacesAPIWrapper(BaseModel):
         extra = Extra.forbid
         arbitrary_types_allowed = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key is in your environment variable."""
         gplaces_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/google_scholar.py

@@ -50,7 +50,7 @@ class GoogleScholarAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         serp_api_key = get_from_dict_or_env(values, "serp_api_key", "SERP_API_KEY")

libs/community/langchain_community/utilities/google_search.py

@@ -69,7 +69,7 @@ class GoogleSearchAPIWrapper(BaseModel):
         res = cse.list(q=search_term, cx=self.google_cse_id, **kwargs).execute()
         return res.get("items", [])
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         google_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/google_serper.py

@@ -46,7 +46,7 @@ class GoogleSerperAPIWrapper(BaseModel):
 
         arbitrary_types_allowed = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key exists in environment."""
         serper_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/google_trends.py

@@ -33,7 +33,7 @@ class GoogleTrendsAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         values["serp_api_key"] = convert_to_secret_str(

libs/community/langchain_community/utilities/jira.py

@@ -21,7 +21,7 @@ class JiraAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         jira_username = get_from_dict_or_env(

libs/community/langchain_community/utilities/merriam_webster.py

@@ -32,7 +32,7 @@ class MerriamWebsterAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key exists in environment."""
         merriam_webster_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/outline.py

@@ -27,7 +27,7 @@ class OutlineAPIWrapper(BaseModel):
     outline_api_key: Optional[str] = None
     outline_search_endpoint: str = "/api/documents.search"
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that instance url and api key exists in environment."""
         outline_instance_url = get_from_dict_or_env(

libs/community/langchain_community/utilities/polygon.py

@@ -17,7 +17,7 @@ class PolygonAPIWrapper(BaseModel):
 
     polygon_api_key: Optional[str] = None
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key in environment."""
         polygon_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/pubmed.py

@@ -48,7 +48,7 @@ class PubMedAPIWrapper(BaseModel):
     doc_content_chars_max: int = 2000
     email: str = "your_email@example.com"
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the python package exists in environment."""
         try:

libs/community/langchain_community/utilities/reddit_search.py

@@ -30,7 +30,7 @@ class RedditSearchAPIWrapper(BaseModel):
     reddit_client_secret: Optional[str]
     reddit_user_agent: Optional[str]
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the API ID, secret and user agent exists in environment
         and check that praw module is present.

libs/community/langchain_community/utilities/rememberizer.py

@@ -13,7 +13,7 @@ class RememberizerAPIWrapper(BaseModel):
     top_k_results: int = 10
     rememberizer_api_key: Optional[str] = None
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key in environment."""
         rememberizer_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/searchapi.py

@@ -32,7 +32,7 @@ class SearchApiAPIWrapper(BaseModel):
 
         arbitrary_types_allowed = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that API key exists in environment."""
         searchapi_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/searx_search.py

@@ -229,10 +229,10 @@ class SearxSearchWrapper(BaseModel):
 
         return v
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_params(cls, values: Dict) -> Dict:
         """Validate that custom searx params are merged with default ones."""
-        user_params = values["params"]
+        user_params = values.get("params", {})
         default = _get_default_params()
         values["params"] = {**default, **user_params}
 

libs/community/langchain_community/utilities/semanticscholar.py

@@ -50,7 +50,7 @@ class SemanticScholarAPIWrapper(BaseModel):
         "externalIds",
     ]
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the python package exists in environment."""
         try:

libs/community/langchain_community/utilities/serpapi.py

@@ -57,7 +57,7 @@ class SerpAPIWrapper(BaseModel):
         extra = Extra.forbid
         arbitrary_types_allowed = True
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         serpapi_api_key = get_from_dict_or_env(

libs/community/langchain_community/utilities/stackexchange.py

@@ -19,7 +19,7 @@ class StackExchangeAPIWrapper(BaseModel):
     result_separator: str = "\n\n"
     """Separator between question,answer pairs."""
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the required Python package exists."""
         try:

libs/community/langchain_community/utilities/tensorflow_datasets.py

@@ -60,7 +60,7 @@ class TensorflowDatasets(BaseModel):
     sample_to_document_function: Optional[Callable[[Dict], Document]] = None
     dataset: Any  #: :meta private:
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the python package exists in environment."""
         try:

libs/community/langchain_community/utilities/twilio.py

@@ -48,7 +48,7 @@ class TwilioAPIWrapper(BaseModel):
         extra = Extra.forbid
         arbitrary_types_allowed = False
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         try:

libs/community/langchain_community/utilities/wikidata.py

@@ -92,7 +92,7 @@ class WikidataAPIWrapper(BaseModel):
     wikidata_props: List[str] = DEFAULT_PROPERTIES
     lang: str = DEFAULT_LANG_CODE
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the python package exists in environment."""
         try:

libs/community/langchain_community/utilities/wikipedia.py

@@ -26,13 +26,14 @@ class WikipediaAPIWrapper(BaseModel):
     load_all_available_meta: bool = False
     doc_content_chars_max: int = 4000
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that the python package exists in environment."""
         try:
             import wikipedia
 
-            wikipedia.set_lang(values["lang"])
+            lang = values.get("lang", "en")
+            wikipedia.set_lang(lang)
             values["wiki_client"] = wikipedia
         except ImportError:
             raise ImportError(

libs/community/langchain_community/utilities/wolfram_alpha.py

@@ -25,7 +25,7 @@ class WolframAlphaAPIWrapper(BaseModel):
 
         extra = Extra.forbid
 
-    @root_validator()
+    @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
         wolfram_alpha_appid = get_from_dict_or_env(