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app.py
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app.py
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from flask import Flask, render_template, request
from search_engine import search_in_index
# Initialize the Flask application
app = Flask(__name__)
@app.route('/', methods=['GET'])
def index():
"""
Serve the main landing page.
This endpoint is responsible for rendering the main HTML template.
Methods:
- GET: Returns the main landing page.
Returns:
- HTML template: Renders 'index.html'.
Example:
Visit the application root, e.g., http://localhost:5000/
"""
return render_template('index.html')
@app.route('/search', methods=['POST'])
def search():
"""
Conduct a search based on the user's query and return the results.
This endpoint takes a user query from the form, searches the FAISS index
(or any other search mechanism defined in the 'search_in_index' function),
and returns the matched results.
Methods:
- POST: Accepts the search query, processes it, and returns the results.
Returns:
- HTML template: Renders 'index.html' with the search results.
Example:
POST to http://localhost:5000/search with form data containing a 'query'.
"""
query = request.form['query'] # Extracting the query from the form
query = query.strip()
result = search_in_index(query) # Searching the index for the query
print("Result before: ", result)
result = result.replace("\n", "<br>")
print("Result after: ", result)
return render_template('index.html', result=result, searched_for=query)
if __name__ == '__main__':
"""
Start the Flask development server.
The server will be in debug mode, meaning changes to files
will auto-reload the application and any errors will be displayed in detail.
"""
app.run(debug=True)