First Push

app.py

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+# Building a Question and Answering Application using HuggingFace models
+# And the Streamlit library
+
+# Imports
+import torch
+import wikipedia
+import transformers
+import streamlit as st
+from transformers import pipeline, Pipeline
+
+# Helper Functions
+# Loads Summary of Topic From WikiPedia
+def load_wiki_summary(query:str) -> str:
+    results = wikipedia.search(query)
+    summary = wikipedia.summary(results[0], sentences=10)
+    return summary
+
+# Load Question and Answering Bert Pipeline
+def load_qa_pipeline() -> Pipeline:
+    qa_pipeline = pipeline("question-answering", model="distilbert-base-uncased-distilled-squad")
+    return qa_pipeline
+
+# Answer the question given the pipeline input
+def answer_question(pipeline:Pipeline, question:str, paragraph:str) -> dict:
+    input = {
+        "question":question,
+        "context":paragraph
+    }
+    output = pipeline(input)
+    return output 
+
+# Main app
+if __name__ == "__main__":
+    # Display title and description
+    st.title("Wikipedia Question Answering")
+    st.write("Search a topic, Ask a Questions, and Get Answers!!")
+
+    # Display Topic input slot
+    topic = st.text_input("SEARCH TOPIC", "")
+    
+    # Display article paragraph
+    article_paragraph = st.empty()
+
+    # Display questino input slot
+    question = st.text_input("QUESTON", "")
+
+    if topic:
+        # load wikipedia summary of topic
+        summary = load_wiki_summary(topic)
+
+        # Display
+        article_paragraph.markdown(summary)
+
+        # Perform Question Answering
+        if question != "":
+            # Load Question Answering Pipeline
+            qa_pipeline = load_qa_pipeline()
+
+            # Answer Query Question using article Summary
+            result = answer_question(qa_pipeline, question, summary)
+            answer = result["answer"]
+
+            # display answer
+            st.write(answer)

requirements.txt

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+aiohttp==3.8.4
+aiosignal==1.3.1
+altair==5.0.1
+async-timeout==4.0.2
+attrs==23.1.0
+beautifulsoup4==4.12.2
+blinker==1.6.2
+cachetools==5.3.1
+certifi==2023.5.7
+charset-normalizer==3.1.0
+click==8.1.3
+dataclasses-json==0.5.7
+decorator==5.1.1
+filelock==3.12.2
+Flask==2.3.2
+frozenlist==1.3.3
+fsspec==2023.5.0
+gitdb==4.0.10
+GitPython==3.1.31
+gunicorn==20.1.0
+huggingface-hub==0.15.1
+idna==3.4
+importlib-metadata==6.7.0
+itsdangerous==2.1.2
+Jinja2==3.1.2
+jsonschema==4.17.3
+langchain==0.0.181
+llama-index==0.6.12
+markdown-it-py==3.0.0
+MarkupSafe==2.1.2
+marshmallow==3.19.0
+marshmallow-enum==1.5.1
+mdurl==0.1.2
+mpmath==1.3.0
+multidict==6.0.4
+mypy-extensions==1.0.0
+networkx==3.1
+numexpr==2.8.4
+numpy==1.24.3
+openai==0.27.7
+openapi-schema-pydantic==1.2.4
+packaging==23.1
+pandas==2.0.1
+Pillow==9.5.0
+protobuf==4.23.3
+pyarrow==12.0.1
+pydantic==1.10.8
+pydeck==0.8.1b0
+Pygments==2.15.1
+Pympler==1.0.1
+pypdf==3.9.0
+pyrsistent==0.19.3
+python-dateutil==2.8.2
+pytz==2023.3
+pytz-deprecation-shim==0.1.0.post0
+PyYAML==6.0
+regex==2023.5.5
+requests==2.31.0
+rich==13.4.2
+safetensors==0.3.1
+six==1.16.0
+smmap==5.0.0
+soupsieve==2.4.1
+SQLAlchemy==2.0.15
+streamlit==1.23.1
+sympy==1.12
+tenacity==8.2.2
+tiktoken==0.4.0
+tokenizers==0.13.3
+toml==0.10.2
+toolz==0.12.0
+torch==2.0.1
+tornado==6.3.2
+tqdm==4.65.0
+transformers==4.30.2
+typing-inspect==0.8.0
+typing_extensions==4.5.0
+tzdata==2023.3
+tzlocal==4.3
+urllib3==1.26.16
+validators==0.20.0
+Werkzeug==2.3.4
+wikipedia==1.4.0
+yarl==1.9.2
+zipp==3.15.0