From fd5a86535359c166993b9db95a271d3dfaaaa1ee Mon Sep 17 00:00:00 2001
From: Paul <pstrebenitzer@infralovers.com>
Date: Mon, 2 Dec 2024 10:04:23 +0100
Subject: [PATCH] more examples and demos

---
 .DS_Store                                 | Bin 6148 -> 8196 bytes
 .gitignore                                |   6 +-
 LangChain/Haikus.docx                     | Bin 0 -> 14865 bytes
 LangChain/Haikus.pdf                      | Bin 0 -> 31706 bytes
 LangChain/caching.py                      |  37 ++++++++++
 LangChain/caching_2.py                    |  41 +++++++++++
 LangChain/langgraph_agents.py             |  57 +++++++++++++++
 LangChain/litellm_demo.py                 |  47 +++++++++++++
 LangChain/pdf_reader.py                   |  81 ++++++++++++++++++++++
 LangChain/tempCodeRunnerFile.py           |   1 +
 LangChain/token_counting.py               |  16 +++++
 LangChain/toxic.py                        |  28 ++++++++
 LangChain/website_summarizer.py           |  53 ++++++++++++++
 ollama/.DS_Store                          | Bin 6148 -> 6148 bytes
 ollama/ollama_langchain/basic_chatting.py |  33 +++++++++
 15 files changed, 399 insertions(+), 1 deletion(-)
 create mode 100644 LangChain/Haikus.docx
 create mode 100644 LangChain/Haikus.pdf
 create mode 100644 LangChain/caching.py
 create mode 100644 LangChain/caching_2.py
 create mode 100644 LangChain/langgraph_agents.py
 create mode 100644 LangChain/litellm_demo.py
 create mode 100644 LangChain/pdf_reader.py
 create mode 100644 LangChain/tempCodeRunnerFile.py
 create mode 100644 LangChain/token_counting.py
 create mode 100644 LangChain/toxic.py
 create mode 100644 LangChain/website_summarizer.py
 create mode 100644 ollama/ollama_langchain/basic_chatting.py

diff --git a/.DS_Store b/.DS_Store
index 22ece38ec4de8000fb32369cdb3931ec1951b892..8643fdd8c1354e5b64b7ef6cf00d650832a61a15 100644
GIT binary patch
delta 500
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delta 187
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diff --git a/.gitignore b/.gitignore
index 97a08f8..1524196 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,8 @@ LangChain/lib
 LangChain/share
 LangChain/pyvenv.cfg
 mondoo_data.json
-mondoo_prompt_output.txt
\ No newline at end of file
+mondoo_prompt_output.txt
+.langchain.db
+.DS_Store
+ollama/ollama_langchain/.env
+ollama/.DS_Store
diff --git a/LangChain/Haikus.docx b/LangChain/Haikus.docx
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diff --git a/LangChain/caching.py b/LangChain/caching.py
new file mode 100644
index 0000000..8b9f3f6
--- /dev/null
+++ b/LangChain/caching.py
@@ -0,0 +1,37 @@
+from langchain_core.globals import set_llm_cache
+from langchain_core.caches import InMemoryCache
+from langchain_openai import OpenAI
+import time
+import os
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+def demonstrate_llm_caching():
+    # Set up the LLM
+    llm = OpenAI(model="gpt-3.5-turbo-instruct", n=2, best_of=2)
+    
+    # Enable in-memory caching
+    set_llm_cache(InMemoryCache())
+    
+    # First invocation (not cached)
+    start_time = time.time()
+    result1 = llm.invoke("Tell me a joke")
+    end_time = time.time()
+    print(f"First invocation (not cached):")
+    print(f"Result: {result1}")
+    print(f"Time taken: {end_time - start_time:.4f} seconds\n")
+    
+    # Second invocation (cached)
+    start_time = time.time()
+    result2 = llm.invoke("Tell me a joke")
+    end_time = time.time()
+    print(f"Second invocation (cached):")
+    print(f"Result: {result2}")
+    print(f"Time taken: {end_time - start_time:.4f} seconds")
+
+
+# Run the demonstration
+demonstrate_llm_caching()
\ No newline at end of file
diff --git a/LangChain/caching_2.py b/LangChain/caching_2.py
new file mode 100644
index 0000000..0e06b80
--- /dev/null
+++ b/LangChain/caching_2.py
@@ -0,0 +1,41 @@
+from langchain_community.cache import InMemoryCache
+from langchain_core.globals import set_llm_cache
+from langchain_openai import OpenAI
+import time
+import os
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+def demonstrate_llm_caching():
+    # Set up the LLM
+    llm = OpenAI(model="gpt-3.5-turbo-instruct", n=2, best_of=2)
+    
+    # Enable in-memory caching
+    set_llm_cache(InMemoryCache())
+    
+    prompt = "Hello world"
+    
+    # Run without caching
+    print("Running without cache:")
+    for i in range(1, 10):
+        result = llm.invoke(prompt)
+        print(f"Run {i}: {result}")
+    
+    # Run with caching
+    print("\nRunning with cache:")
+    for i in range(1, 10):
+        result = llm.invoke(prompt)
+        print(f"Run {i}: {result}")
+    
+    # Run with similar prompt
+    print("\nRunning with similar prompt:")
+    similar_prompt = "Hello world :)"
+    for i in range(1, 10):
+        result = llm.invoke(similar_prompt)
+        print(f"Similar Run {i}: {result}")
+
+# Run the demonstration
+demonstrate_llm_caching()
\ No newline at end of file
diff --git a/LangChain/langgraph_agents.py b/LangChain/langgraph_agents.py
new file mode 100644
index 0000000..41ee349
--- /dev/null
+++ b/LangChain/langgraph_agents.py
@@ -0,0 +1,57 @@
+from langchain.chat_models import ChatOpenAI
+from langchain.tools import DuckDuckGoSearchRun
+from langgraph.graph import StateGraph, END
+from typing import TypedDict, Annotated, List
+import operator
+import os
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+# Initialize ChatOpenAI models
+research_model = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0.7)
+summary_model = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0.3)
+
+# Initialize search tool
+search_tool = DuckDuckGoSearchRun()
+
+class ResearchState(TypedDict):
+    query: str
+    research_results: Annotated[List[str], operator.add]
+    summary: str
+
+graph = StateGraph(ResearchState)
+
+def research_agent(state):
+    query = state["query"]
+    search_result = search_tool.run(query)
+    return {"research_results": [search_result]}
+
+def summarization_agent(state):
+    research_results = state["research_results"]
+    summary_prompt = f"Summarize the following research results:\n{research_results}"
+    summary = summary_model.predict(summary_prompt)
+    return {"summary": summary}
+
+# Add nodes
+graph.add_node("research", research_agent)
+graph.add_node("summarize", summarization_agent)
+
+# Set entry point and connect nodes
+graph.set_entry_point("research")
+graph.add_edge("research", "summarize")
+graph.add_edge("summarize", END)
+
+# Compile and run the graph
+app = graph.compile()
+
+def run_research(query):
+    result = app.invoke({"query": query, "research_results": [], "summary": ""})
+    return result["summary"]
+
+# Example usage
+research_topic = "Latest advancements in AI"
+summary = run_research(research_topic)
+print(f"Research Summary on '{research_topic}':\n{summary}")
\ No newline at end of file
diff --git a/LangChain/litellm_demo.py b/LangChain/litellm_demo.py
new file mode 100644
index 0000000..481b3b6
--- /dev/null
+++ b/LangChain/litellm_demo.py
@@ -0,0 +1,47 @@
+import os
+import streamlit as st
+from dotenv import load_dotenv
+from litellm import completion
+
+# Load environment variables
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+def get_model_response(model_name: str, prompt: str) -> str:
+    response = completion(model=model_name, messages=[{"role": "user", "content": prompt}])
+    return response.choices[0].message.content
+
+st.title("Multi-Model Chat")
+
+# Model selection
+model_option = st.selectbox(
+    "Choose a language model:",
+    ("gpt-3.5-turbo", "ollama/llama2", "gpt-4o")
+)
+
+# Initialize session state for chat history
+if 'chat_history' not in st.session_state:
+    st.session_state['chat_history'] = []
+
+# User input
+user_input = st.text_input("You:")
+
+# Send button
+if st.button("Send"):
+    if openai_api_key or user_input:
+        # Append user message to chat history
+        st.session_state['chat_history'].append({"role": "user", "content": user_input})
+        
+        # Generate response using the selected model
+        with st.spinner("Thinking..."):
+            response = get_model_response(model_name=model_option, prompt=user_input)
+        
+        # Append model response to chat history
+        st.session_state['chat_history'].append({"role": "model", "content": response})
+
+# Display chat history in reverse order
+for message in reversed(st.session_state['chat_history']):
+    if message['role'] == 'user':
+        st.write(f"You: {message['content']}")
+    else:
+        st.write(f"Model: {message['content']}")
diff --git a/LangChain/pdf_reader.py b/LangChain/pdf_reader.py
new file mode 100644
index 0000000..aef6229
--- /dev/null
+++ b/LangChain/pdf_reader.py
@@ -0,0 +1,81 @@
+import os
+from dotenv import load_dotenv
+import streamlit as st
+from langchain.chat_models import ChatOpenAI
+from langchain.chains import ConversationalRetrievalChain
+from langchain.memory import ConversationBufferMemory
+from langchain.document_loaders import PyPDFLoader
+from langchain.vectorstores import Chroma
+from langchain.embeddings.openai import OpenAIEmbeddings
+from langchain.text_splitter import CharacterTextSplitter
+import tempfile
+
+# Load API key
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+# Load and process PDF
+@st.cache_resource
+def load_and_process_pdf(pdf_file):
+    # Create a temporary file
+    with tempfile.NamedTemporaryFile(delete=False) as tmp_file:
+        tmp_file.write(pdf_file.getvalue())
+        tmp_file_path = tmp_file.name
+
+    loader = PyPDFLoader(tmp_file_path)
+    documents = loader.load()
+    text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
+    texts = text_splitter.split_documents(documents)
+    embeddings = OpenAIEmbeddings()
+    vectorstore = Chroma.from_documents(texts, embeddings)
+
+    # Remove the temporary file
+    os.unlink(tmp_file_path)
+
+    return vectorstore
+
+# Conversation chain
+def get_conversation_chain(vectorstore):
+    llm = ChatOpenAI(temperature=0, model_name="gpt-3.5-turbo", api_key=openai_api_key)
+    memory = ConversationBufferMemory(memory_key="chat_history", return_messages=True)
+    conversation_chain = ConversationalRetrievalChain.from_llm(
+        llm=llm,
+        retriever=vectorstore.as_retriever(),
+        memory=memory
+    )
+    return conversation_chain
+
+# Handle user input
+def handle_user_input(user_question):
+    response = st.session_state.conversation({'question': user_question})
+    st.session_state.chat_history = response['chat_history']
+    
+    for i, message in enumerate(st.session_state.chat_history):
+        if i % 2 == 0:
+            st.write("Human: " + message.content)
+        else:
+            st.write("AI: " + message.content)
+
+# Handle application
+def main():
+    st.set_page_config(page_title="Chat with your PDF", page_icon=":books:")
+    st.header("Chat with your PDF:")
+
+    if "conversation" not in st.session_state:
+        st.session_state.conversation = None
+    if "chat_history" not in st.session_state:
+        st.session_state.chat_history = None
+
+    uploaded_file = st.file_uploader("Choose a PDF file", type="pdf")
+    if uploaded_file is not None:
+        with st.spinner("Processing PDF..."):
+            vectorstore = load_and_process_pdf(uploaded_file)
+            st.session_state.conversation = get_conversation_chain(vectorstore)
+        st.success("PDF processed successfully!")
+
+        user_question = st.text_input("Ask a question about your PDF:")
+        if user_question:
+            handle_user_input(user_question)
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/LangChain/tempCodeRunnerFile.py b/LangChain/tempCodeRunnerFile.py
new file mode 100644
index 0000000..1db657b
--- /dev/null
+++ b/LangChain/tempCodeRunnerFile.py
@@ -0,0 +1 @@
+boto3
\ No newline at end of file
diff --git a/LangChain/token_counting.py b/LangChain/token_counting.py
new file mode 100644
index 0000000..95cecbb
--- /dev/null
+++ b/LangChain/token_counting.py
@@ -0,0 +1,16 @@
+from langchain.chat_models import ChatOpenAI
+from langchain.callbacks import get_openai_callback
+import os
+from dotenv import load_dotenv
+
+# Load environment variables
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+# Initialize model
+llm = ChatOpenAI(model_name="gpt-3.5-turbo", openai_api_key=openai_api_key)
+
+with get_openai_callback() as callback:
+  llm.invoke("What is AI?")
+
+print(callback)
\ No newline at end of file
diff --git a/LangChain/toxic.py b/LangChain/toxic.py
new file mode 100644
index 0000000..2dec3cc
--- /dev/null
+++ b/LangChain/toxic.py
@@ -0,0 +1,28 @@
+
+from transformers import (
+    AutoModelForSequenceClassification,
+    AutoTokenizer,
+    TextClassificationPipeline,
+)
+
+_toxicity_model_path = "martin-ha/toxic-comment-model"
+
+model_path = _toxicity_model_path
+_toxicity_tokenizer = AutoTokenizer.from_pretrained(model_path)
+model = AutoModelForSequenceClassification.from_pretrained(model_path)
+_toxicity_pipeline = TextClassificationPipeline(
+        model=model, tokenizer=_toxicity_tokenizer
+    )
+
+text="You really suck"
+result = _toxicity_pipeline(
+        text, truncation=True, max_length=_toxicity_tokenizer.model_max_length
+    )
+print(result)
+
+
+text="I love you"
+result = _toxicity_pipeline(
+        text, truncation=True, max_length=_toxicity_tokenizer.model_max_length
+    )
+print(result)
\ No newline at end of file
diff --git a/LangChain/website_summarizer.py b/LangChain/website_summarizer.py
new file mode 100644
index 0000000..1897a2b
--- /dev/null
+++ b/LangChain/website_summarizer.py
@@ -0,0 +1,53 @@
+import os
+from dotenv import load_dotenv
+from langchain_openai import ChatOpenAI
+from langchain.chains import LLMChain
+from langchain.prompts import PromptTemplate
+from langchain.document_loaders import WebBaseLoader
+from langchain.text_splitter import CharacterTextSplitter
+from langchain.vectorstores import Chroma
+from langchain.embeddings.openai import OpenAIEmbeddings
+
+# load api key
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+def create_vectorstore(url):
+    loader = WebBaseLoader(url)
+    documents = loader.load()
+    
+    text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
+    texts = text_splitter.split_documents(documents)
+    
+    embeddings = OpenAIEmbeddings()
+    return Chroma.from_documents(texts, embeddings)
+
+def summarize_url(url):
+    vectorstore = create_vectorstore(url)
+    
+    llm = ChatOpenAI(model_name="gpt-3.5-turbo",
+                     temperature=0.2,
+                     api_key=openai_api_key)
+    
+    prompt_template = """Write a concise summary of the following text:
+
+    {text}
+
+    CONCISE SUMMARY:"""
+
+    prompt = PromptTemplate(template=prompt_template, input_variables=["text"])
+    chain = LLMChain(llm=llm, prompt=prompt)
+    
+    docs = vectorstore.similarity_search(query="", k=3)
+    summaries = []
+    for doc in docs:
+        summary = chain.run(text=doc.page_content)
+        summaries.append(summary)
+    
+    final_summary = "\n\n".join(summaries)
+    return final_summary
+
+# Lets go
+url = input("Enter a URL to summarize: ")
+summary = summarize_url(url)
+print(f"SUMMARY OF {url}:\n{summary}")
\ No newline at end of file
diff --git a/ollama/.DS_Store b/ollama/.DS_Store
index 4fad4c92b6aee55530cc41e900386b3243fbb7e9..e6c10830045165c777a273d7d9b4f935660d34ce 100644
GIT binary patch
delta 74
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delta 24
gcmZoMXffE3%rf~R>#oVpETWrDSuZgyX5kP30CE@z5&!@I

diff --git a/ollama/ollama_langchain/basic_chatting.py b/ollama/ollama_langchain/basic_chatting.py
new file mode 100644
index 0000000..0e9dc46
--- /dev/null
+++ b/ollama/ollama_langchain/basic_chatting.py
@@ -0,0 +1,33 @@
+from langchain_community.llms import Ollama
+from langchain_openai import ChatOpenAI
+import os
+from dotenv import load_dotenv
+from langchain.chains import ConversationChain
+from langchain.memory import ConversationBufferMemory
+
+# load api key
+load_dotenv()
+openai_api_key = os.getenv('OPENAI_API_KEY')
+
+# Initialize the LLM
+#llm = Ollama(model="llama2")
+llm = ChatOpenAI(model="gpt-3.5-turbo", 
+             api_key=openai_api_key)
+
+# Set up the conversation memory
+memory = ConversationBufferMemory()
+
+# Create the conversation chain
+conversation = ConversationChain(
+    llm=llm, 
+    memory=memory,
+    verbose=True
+)
+
+# Main chat loop
+while True:
+    user_input = input("Human: ")
+    if user_input.lower() == 'quit':
+        break
+    response = conversation.predict(input=user_input)
+    print("AI:", response)
\ No newline at end of file