Customize application settings (#132)

* Allow customizing the base application

* Make the core llms and embeddings customizable

* Make the settings, reasoning and index customizable

* Import from langchain_openai

knowledgehub/embeddings/langchain_based.py

@@ -122,7 +122,7 @@ class OpenAIEmbeddings(LCEmbeddingMixin, BaseEmbeddings):
 
     def _get_lc_class(self):
         try:
-            from langchain_community.embeddings import OpenAIEmbeddings
+            from langchain_openai import OpenAIEmbeddings
         except ImportError:
             from langchain.embeddings import OpenAIEmbeddings
 
@@ -152,7 +152,7 @@ class AzureOpenAIEmbeddings(LCEmbeddingMixin, BaseEmbeddings):
 
     def _get_lc_class(self):
         try:
-            from langchain_community.embeddings import AzureOpenAIEmbeddings
+            from langchain_openai import AzureOpenAIEmbeddings
         except ImportError:
             from langchain.embeddings import AzureOpenAIEmbeddings
 

knowledgehub/llms/chats/langchain_based.py

@@ -163,7 +163,7 @@ class AzureChatOpenAI(LCChatMixin, ChatLLM):
 
     def _get_lc_class(self):
         try:
-            from langchain_community.chat_models import AzureChatOpenAI
+            from langchain_openai import AzureChatOpenAI
         except ImportError:
             from langchain.chat_models import AzureChatOpenAI
 

knowledgehub/llms/completions/langchain_based.py

@@ -187,7 +187,7 @@ class AzureOpenAI(LCCompletionMixin, LLM):
 
     def _get_lc_class(self):
         try:
-            from langchain_community.llms import AzureOpenAI
+            from langchain_openai import AzureOpenAI
         except ImportError:
             from langchain.llms import AzureOpenAI
 

pyproject.toml

@@ -50,6 +50,7 @@ dev = [
     "sphinx",
     "coverage",
     "openai",
+    "langchain-openai",
     "chromadb",
     "wikipedia",
     "duckduckgo-search",