Update pages/General.py

pages/General.py

@@ -1,83 +1,88 @@
-import os
-from langchain_google_genai import ChatGoogleGenerativeAI
-from typing import List, Dict
-from langchain_core.messages import HumanMessage
-from typing_extensions import TypedDict
-from dotenv import load_dotenv
-import streamlit as st
-from langgraph.graph import START, StateGraph, END
-
-st.set_page_config(
-    page_title="General Information Blog"
-)
-
-load_dotenv(override=True)
-gemini_api_key = os.getenv("GEMINI_API_KEY")
-
-
-from blog_title_generator import blog_titles_llm
-from blog_content_generator import blog_content_agent
-from image_fomatted_blog_generator import image_formatted_blog
-from image_prompts_generator import image_prompts
-
-
-llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash-exp", api_key = gemini_api_key) # type:ignore
-
-class BlogState(TypedDict):
-    topic: str
-    blog_topics: List[str]     
-    final_topic: str
-    blog_content: str
-    image_formated_blog: str  
-    prompts: Dict[str, str]
-    
-# Graph
-builder1 = StateGraph(BlogState)
-builder1.add_node("blog_topic", lambda state: blog_titles_llm(llm, state))
-
-builder1.add_edge(START, "blog_topic")
-builder1.add_edge("blog_topic", END)
-graph1 = builder1.compile()
-
-# Graph 2: 
-builder2 = StateGraph(BlogState)
-builder2.add_node("blog_agent", lambda state: blog_content_agent(llm, state))
-builder2.add_node("image_formatted_blog", lambda state: image_formatted_blog(llm, state))
-builder2.add_node("image_prompts", lambda state: image_prompts(llm, state))
-
-builder2.add_edge(START, "blog_agent")
-builder2.add_edge("blog_agent", "image_formatted_blog")
-builder2.add_edge("image_formatted_blog", "image_prompts")
-builder2.add_edge("image_prompts", END)
-graph2 = builder2.compile()
-
-
-
-st.title("Generate General Informational Blog")
-input_data = st.text_input("Enter a Category for your blog:")
-
-if 'titles' not in st.session_state:
-    st.session_state.titles = None
-if 'selected_title' not in st.session_state:
-    st.session_state.selected_title = None
-
-if st.button("Generate Titles"):
-    try:
-        topic = [HumanMessage(content=input_data)]
-        result = graph1.invoke({"topic": topic})
-        st.session_state.titles = result['blog_topics']
-    except Exception as e:
-        st.error(str(e))
-
-if st.session_state.titles is not None:
-    st.session_state.selected_title = st.selectbox("Pick the Title for your Blog", st.session_state.titles)
-
-if st.button("Generate Blog") and st.session_state.selected_title is not None:
-    content = graph2.invoke({"final_topic": st.session_state.selected_title})
-    st.markdown(content['image_formated_blog'])
-
-
-
-
-    
-
+import os
+from langchain_google_genai import ChatGoogleGenerativeAI
+from typing import List, Dict
+from langchain_core.messages import HumanMessage
+from typing_extensions import TypedDict
+from dotenv import load_dotenv
+import streamlit as st
+from langgraph.graph import START, StateGraph, END
+
+st.set_page_config(
+    page_title="General Information Blog"
+)
+
+load_dotenv(override=True)
+gemini_api_key = os.getenv("GEMINI_API_KEY")
+
+
+from blog_title_generator import blog_titles_llm
+from blog_content_generator import blog_content_agent
+from image_fomatted_blog_generator import image_formatted_blog
+from image_prompts_generator import image_prompts
+
+
+llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash-exp", api_key = gemini_api_key) # type:ignore
+
+class BlogState(TypedDict):
+    topic: str
+    blog_topics: List[str]     
+    final_topic: str
+    blog_content: str
+    image_formated_blog: str  
+    prompts: Dict[str, str]
+    
+# Graph
+builder1 = StateGraph(BlogState)
+builder1.add_node("blog_topic", lambda state: blog_titles_llm(llm, state))
+
+builder1.add_edge(START, "blog_topic")
+builder1.add_edge("blog_topic", END)
+graph1 = builder1.compile()
+
+# Graph 2: 
+builder2 = StateGraph(BlogState)
+builder2.add_node("blog_agent", lambda state: blog_content_agent(llm, state))
+builder2.add_node("image_formatted_blog", lambda state: image_formatted_blog(llm, state))
+builder2.add_node("image_prompts", lambda state: image_prompts(llm, state))
+
+builder2.add_edge(START, "blog_agent")
+builder2.add_edge("blog_agent", "image_formatted_blog")
+builder2.add_edge("image_formatted_blog", "image_prompts")
+builder2.add_edge("image_prompts", END)
+graph2 = builder2.compile()
+
+
+
+st.title("Generate General Informational Blog")
+input_data = st.text_input("Enter a Category for your blog:")
+
+if 'titles' not in st.session_state:
+    st.session_state.titles = None
+if 'selected_title' not in st.session_state:
+    st.session_state.selected_title = None
+
+if input_data:  # Only proceed if input_data is not empty
+    if st.button("Generate Titles"):
+        try:
+            topic = [HumanMessage(content=input_data)]
+            result = graph1.invoke({"topic": topic})
+            print(result)
+            st.session_state.titles = result.get('blog_topics', [])  # Avoid KeyError
+        except Exception as e:
+            st.error(str(e))
+
+if st.session_state.titles:
+    st.session_state.selected_title = st.selectbox("Pick the Title for your Blog", st.session_state.titles)
+
+if st.button("Generate Blog") and st.session_state.selected_title:
+    try:
+        content = graph2.invoke({"final_topic": st.session_state.selected_title})
+        st.markdown(content.get('image_formated_blog', "No content generated."))  # Avoid KeyError
+    except Exception as e:
+        st.error(str(e))
+
+
+
+
+    
+