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Update utils.py
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utils.py
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@@ -1,62 +1,62 @@
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from langchain_community.llms import LlamaCpp
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from dotenv import load_dotenv
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import os
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import pandas as pd
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# Load environment variables
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load_dotenv()
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MODEL_PATH = os.getenv("MODEL_PATH", "
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def summarize_dataframe(df: pd.DataFrame, max_rows: int = 30) -> str:
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"""Summarize a dataframe to avoid overloading the context window."""
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summary = f"Columns: {', '.join(df.columns)}\n\n"
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if len(df) > max_rows:
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sample = df.sample(max_rows, random_state=42)
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summary += "Showing a random sample of rows:\n"
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else:
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sample = df
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summary += "Showing all rows:\n"
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summary += sample.to_string(index=False)
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return summary
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def query_agent(df: pd.DataFrame, query: str) -> str:
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"""Query a CSV/DataFrame using your local Gemma model with context-aware limits."""
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# Attempt to handle simple analytical questions directly with pandas
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query_lower = query.lower()
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try:
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if "most common" in query_lower or "most frequent" in query_lower:
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for col in df.columns:
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if col.lower() in query_lower:
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value = df[col].mode()[0]
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return f"The most common value in column '{col}' is '{value}'."
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except Exception as e:
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print("Direct analysis failed:", e)
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# Otherwise summarize dataset for LLM
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data_text = summarize_dataframe(df)
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prompt = f"""
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You are a data analysis assistant with expertise in statistics and data interpretation.
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Analyze the dataset sample below and answer the user's question in a **clear, detailed, and well-explained way**.
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Include both the **direct answer** and a short **explanation or reasoning** behind it.
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Dataset Summary:
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{data_text}
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Question:
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{query}
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Answer (with explanation):
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"""
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llm = LlamaCpp(
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model_path=MODEL_PATH,
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temperature=0.7,
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max_new_tokens=1024,
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n_ctx=16384,
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verbose=True,
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)
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answer = llm(prompt)
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return answer
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from langchain_community.llms import LlamaCpp
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from dotenv import load_dotenv
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import os
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import pandas as pd
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# Load environment variables
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load_dotenv()
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MODEL_PATH = os.getenv("MODEL_PATH", "TheBloke/gemma-2b-it-GGUF/gemma-2b-it.Q4_K_M.gguf")
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def summarize_dataframe(df: pd.DataFrame, max_rows: int = 30) -> str:
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"""Summarize a dataframe to avoid overloading the context window."""
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summary = f"Columns: {', '.join(df.columns)}\n\n"
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if len(df) > max_rows:
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sample = df.sample(max_rows, random_state=42)
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summary += "Showing a random sample of rows:\n"
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else:
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sample = df
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summary += "Showing all rows:\n"
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summary += sample.to_string(index=False)
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return summary
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def query_agent(df: pd.DataFrame, query: str) -> str:
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"""Query a CSV/DataFrame using your local Gemma model with context-aware limits."""
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# Attempt to handle simple analytical questions directly with pandas
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query_lower = query.lower()
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try:
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if "most common" in query_lower or "most frequent" in query_lower:
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for col in df.columns:
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if col.lower() in query_lower:
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value = df[col].mode()[0]
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return f"The most common value in column '{col}' is '{value}'."
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except Exception as e:
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print("Direct analysis failed:", e)
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# Otherwise summarize dataset for LLM
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data_text = summarize_dataframe(df)
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prompt = f"""
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You are a data analysis assistant with expertise in statistics and data interpretation.
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Analyze the dataset sample below and answer the user's question in a **clear, detailed, and well-explained way**.
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Include both the **direct answer** and a short **explanation or reasoning** behind it.
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Dataset Summary:
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{data_text}
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Question:
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{query}
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Answer (with explanation):
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"""
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llm = LlamaCpp(
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model_path=MODEL_PATH,
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temperature=0.7,
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max_new_tokens=1024,
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n_ctx=16384,
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verbose=True,
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)
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answer = llm(prompt)
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return answer
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