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app.py
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import os
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import re
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import time
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from dotenv import load_dotenv
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import streamlit as st
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from gtts import gTTS
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import PyPDF2
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import google.generativeai as genai
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import speech_recognition as sr
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# Load API key
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load_dotenv()
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genai.configure(api_key=os.getenv("GOOGLE_API_KEY"))
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# Initialize session state
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if "generated_questions" not in st.session_state:
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st.session_state["generated_questions"] = []
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if "current_question_index" not in st.session_state:
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st.session_state["current_question_index"] = 0
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if "answers" not in st.session_state:
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st.session_state["answers"] = []
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if "evaluation_feedback" not in st.session_state:
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st.session_state["evaluation_feedback"] = ""
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if "overall_score" not in st.session_state:
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st.session_state["overall_score"] = 0
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if "percentage_score" not in st.session_state:
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st.session_state["percentage_score"] = 0
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if "is_recording" not in st.session_state:
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st.session_state["is_recording"] = False
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if "question_played" not in st.session_state:
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st.session_state["question_played"] = False
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# Extract text from PDF
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def extract_pdf_text(uploaded_file):
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pdf_reader = PyPDF2.PdfReader(uploaded_file)
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text = ''.join(page.extract_text() or "" for page in pdf_reader.pages)
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return text.strip()
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# Generate conceptual interview questions
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def get_questions(prompt, input_text, num_questions=3):
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model = genai.GenerativeModel('gemini-1.5-pro-latest')
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response = model.generate_content([prompt, input_text])
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questions = [q.strip("* ") for q in response.text.strip().split("\n") if q.strip() and "question" not in q.lower()]
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return questions[:num_questions]
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# Evaluate answers automatically
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def evaluate_answers():
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model = genai.GenerativeModel('gemini-1.5-pro-latest')
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prompt = """
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You are an expert interview evaluator. Assess the responses based on:
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- Conceptual Understanding
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- Communication Skills
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- Clarity & Depth of Explanation
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- Use of Real-World Examples
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- Logical Flow
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Provide an evaluation summary with a score out of 10.
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Format:
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**Overall Score:** x/10
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**Evaluation Summary:**
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- Concept Understanding: ...
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- Communication: ...
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- Depth of Explanation: ...
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- Examples: ...
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- Logical Flow: ...
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"""
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candidate_responses = "\n\n".join(
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[f"Q: {entry['question']}\nA: {entry['response']}" for entry in st.session_state["answers"]]
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)
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full_prompt = f"{prompt}\n\nCandidate Responses:\n{candidate_responses}"
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response = model.generate_content(full_prompt)
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st.session_state["evaluation_feedback"] = response.text.strip()
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score_match = re.search(r"\*\*Overall Score:\*\* (\d+)/10", response.text)
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if score_match:
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st.session_state["overall_score"] = int(score_match.group(1))
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st.session_state["percentage_score"] = st.session_state["overall_score"] * 10
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else:
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st.session_state["overall_score"] = 0
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st.session_state["percentage_score"] = 0
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# Function to convert question to speech
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def speak_question(question):
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if not st.session_state["question_played"]:
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tts = gTTS(text=question, lang="en")
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tts.save("question.mp3")
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st.audio("question.mp3", format="audio/mp3", autoplay=True)
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st.session_state["question_played"] = True
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# Streamlit UI Enhancements
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st.set_page_config(page_title="🔥🎯 GrillMaster", layout="wide")
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st.sidebar.header("🔥🎯 Imarticus GrillMaster")
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num_questions = st.sidebar.slider("Number of Questions:", 1, 10, 3)
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difficulty_level = st.sidebar.selectbox("Select Difficulty Level:", ["Beginner", "Intermediate", "Advanced"])
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section_choice = st.sidebar.radio("Choose Input Type:", ("Resume", "Job Description", "Skills"))
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input_text = ""
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if section_choice == "Resume":
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uploaded_file = st.sidebar.file_uploader("Upload Resume:", type=["pdf", "txt"])
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if uploaded_file:
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input_text = extract_pdf_text(uploaded_file)
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elif section_choice == "Job Description":
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input_text = st.sidebar.text_area("Paste Job Description:")
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elif section_choice == "Skills":
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input_text = st.sidebar.selectbox("Select a Skill:", ["Python", "SQL", "Machine Learning", "Statistics", "Business Analytics"])
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if st.sidebar.button("Generate Questions"):
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prompt = f"""
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Generate {num_questions} {difficulty_level} level **conceptual** interview questions related to {input_text}.
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Focus on theoretical understanding, business application, and problem-solving.
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"""
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st.session_state["generated_questions"] = get_questions(prompt, input_text, num_questions)
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st.session_state["current_question_index"] = 0
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st.session_state["answers"] = []
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st.session_state["evaluation_feedback"] = ""
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st.session_state["question_played"] = False
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st.rerun()
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# Display Current Question
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if st.session_state["generated_questions"]:
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q_index = st.session_state["current_question_index"]
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if q_index < len(st.session_state["generated_questions"]):
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question = st.session_state["generated_questions"][q_index]
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st.subheader(f"Q{q_index + 1}:")
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st.write(f"**{question}**", unsafe_allow_html=True)
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speak_question(question) # Play question audio once
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recognizer = sr.Recognizer()
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if not st.session_state["is_recording"]:
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if st.button("🎤 Start Recording"):
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st.session_state["is_recording"] = True
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if st.session_state["is_recording"]:
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if st.button("⏹️ Stop Recording"):
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st.session_state["is_recording"] = False
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with sr.Microphone() as source:
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st.write("🎙️ Listening... Speak your answer.")
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try:
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audio = recognizer.listen(source, timeout=60)
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response_text = recognizer.recognize_google(audio)
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st.session_state["answers"].append({"question": question, "response": response_text})
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except sr.UnknownValueError:
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st.write("Could not understand the audio. Try again.")
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if st.button("➡️ Next Question"):
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st.session_state["current_question_index"] += 1
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st.session_state["question_played"] = False
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st.rerun()
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else:
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evaluate_answers()
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st.subheader("📊 Complete Mock Interview Summary")
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st.write(f"**Overall Score:** {st.session_state['overall_score']} / 10")
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st.write(f"**Percentage Score:** {st.session_state['percentage_score']:.2f}%")
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st.progress(st.session_state["percentage_score"] / 100)
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st.write(st.session_state["evaluation_feedback"], unsafe_allow_html=True)
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