bolade
368 lines
14 KiB
Python
368 lines
14 KiB
Python
import json
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import logging
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import os
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from typing import Any, Dict, Optional
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import chromadb
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import pandas as pd
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from dotenv import load_dotenv
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from openai import OpenAI
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from db import get_session, init_database
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from py_schemas import CSVRow, Investor
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# Load environment variables
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load_dotenv()
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# Configure logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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class LLMInvestorParser:
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def __init__(self):
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# Initialize OpenAI client
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self.openai_client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
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# Initialize ChromaDB
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self.chroma_client = chromadb.PersistentClient(path="./chroma_db")
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self.collection = self.chroma_client.get_or_create_collection(
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name="investor_descriptions",
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metadata={
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"description": "Investor descriptions and investment thesis focus"
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},
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)
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# Initialize database
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init_database()
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def parse_json_field(self, json_str: str) -> Dict[str, Any]:
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"""Safely parse JSON string with LLM assistance if needed"""
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if not json_str or json_str.strip() == "":
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return {}
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try:
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# Try direct JSON parsing first
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return json.loads(json_str)
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except json.JSONDecodeError:
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# If direct parsing fails, use LLM to clean and parse
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logger.info("Direct JSON parsing failed, using LLM to clean JSON")
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return self._llm_clean_json(json_str)
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def _llm_clean_json(self, malformed_json: str) -> Dict[str, Any]:
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"""Use LLM to clean and parse malformed JSON"""
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try:
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prompt = f"""
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The following text appears to be malformed JSON. Please clean it up and return valid JSON.
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If it's not possible to create valid JSON, return an empty object {{}}.
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Original text:
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{malformed_json[:2000]} # Limit length for API
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Return only the cleaned JSON, no explanations:
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"""
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response = self.openai_client.chat.completions.create(
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model="gpt-3.5-turbo",
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messages=[{"role": "user", "content": prompt}],
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temperature=0,
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)
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cleaned_json = response.choices[0].message.content.strip()
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return json.loads(cleaned_json)
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except Exception as e:
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logger.error(f"LLM JSON cleaning failed: {e}")
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return {}
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def extract_structured_data(self, csv_row: CSVRow) -> Dict[str, Any]:
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"""Extract and structure data from CSV row using LLM"""
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# Parse the investment firm profile
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profile_data = {}
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if csv_row.investment_firm_profile:
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profile_data = self.parse_json_field(csv_row.investment_firm_profile)
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# Create structured output
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structured_data = {
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"name": csv_row.name,
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"website": csv_row.website or profile_data.get("websiteURL"),
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"investor_description": profile_data.get("investorDescription", ""),
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"investment_thesis_focus": profile_data.get("investmentThesisFocus", []),
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"headquarters": profile_data.get("headquarters", ""),
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"aum_info": profile_data.get("overallAssetsUnderManagement", {}),
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"funds_info": profile_data.get("funds", []),
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"crunchbase_urls": csv_row.crunchbase_linkedin_urls or "",
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"crunchbase_extract": csv_row.crunchbase_firm_extract or "",
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"linkedin_profile": csv_row.linkedin_investment_profile or "",
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"source_truth_profile": csv_row.source_of_truth_profile or "",
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}
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return structured_data
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def enhance_with_llm(self, investor_data: Dict[str, Any]) -> Dict[str, Any]:
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"""Use LLM to enhance and standardize investor data"""
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try:
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# Combine all available text for context
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context_text = " ".join(
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[
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investor_data.get("investor_description", ""),
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investor_data.get("crunchbase_extract", ""),
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investor_data.get("linkedin_profile", ""),
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investor_data.get("source_truth_profile", ""),
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]
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)
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if not context_text.strip():
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return investor_data
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prompt = f"""
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Based on the following information about an investor, please extract and standardize:
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1. A concise investor description (2-3 sentences)
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2. Investment thesis focus areas (list of specific focus areas)
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3. Headquarters location (city, country format)
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Investor: {investor_data["name"]}
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Context: {context_text[:3000]} # Limit for API
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Return in JSON format:
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{{
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"enhanced_description": "concise description here",
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"standardized_focus": ["focus area 1", "focus area 2", ...],
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"standardized_headquarters": "City, Country"
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}}
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"""
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response = self.openai_client.chat.completions.create(
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model="gpt-3.5-turbo",
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messages=[{"role": "user", "content": prompt}],
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temperature=0.3,
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)
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enhanced_data = json.loads(response.choices[0].message.content)
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# Update investor data with enhanced information
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if enhanced_data.get("enhanced_description"):
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investor_data["enhanced_description"] = enhanced_data[
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"enhanced_description"
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]
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if enhanced_data.get("standardized_focus"):
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investor_data["standardized_focus"] = enhanced_data[
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"standardized_focus"
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]
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if enhanced_data.get("standardized_headquarters"):
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investor_data["standardized_headquarters"] = enhanced_data[
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"standardized_headquarters"
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]
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return investor_data
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except Exception as e:
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logger.error(f"LLM enhancement failed for {investor_data['name']}: {e}")
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return investor_data
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def save_to_sql(self, investor_data: Dict[str, Any]) -> int:
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"""Save investor data to SQL database"""
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try:
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with get_session() as session:
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# Check if investor already exists
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existing = (
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session.query(Investor)
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.filter_by(name=investor_data["name"])
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.first()
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)
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if existing:
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logger.info(f"Updating existing investor: {investor_data['name']}")
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investor = existing
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else:
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logger.info(f"Creating new investor: {investor_data['name']}")
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investor = Investor()
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# Map data to investor object
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investor.name = investor_data["name"]
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investor.website = investor_data.get("website")
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investor.investor_description = investor_data.get(
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"enhanced_description"
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) or investor_data.get("investor_description")
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investor.investment_thesis_focus = investor_data.get(
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"standardized_focus"
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) or investor_data.get("investment_thesis_focus")
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investor.headquarters = investor_data.get(
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"standardized_headquarters"
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) or investor_data.get("headquarters")
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# AUM information
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aum_info = investor_data.get("aum_info", {})
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investor.aum_amount = aum_info.get("aumAmount")
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investor.aum_as_of_date = aum_info.get("asOfDate")
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investor.aum_source_url = aum_info.get("sourceUrl")
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# Fund information
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investor.funds_info = investor_data.get("funds_info", [])
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# Raw data
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investor.crunchbase_urls = investor_data.get("crunchbase_urls")
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investor.crunchbase_extract = investor_data.get("crunchbase_extract")
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investor.linkedin_profile = investor_data.get("linkedin_profile")
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investor.source_truth_profile = investor_data.get(
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"source_truth_profile"
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)
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if not existing:
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session.add(investor)
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session.flush() # Get the ID
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return investor.id
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except Exception as e:
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logger.error(f"Failed to save to SQL: {e}")
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raise
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def save_to_vector_db(self, investor_id: int, investor_data: Dict[str, Any]):
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"""Save investor description and focus to ChromaDB"""
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try:
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# Prepare text for embedding
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description_text = investor_data.get(
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"enhanced_description"
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) or investor_data.get("investor_description", "")
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focus_areas = investor_data.get("standardized_focus") or investor_data.get(
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"investment_thesis_focus", []
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)
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if isinstance(focus_areas, list):
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focus_text = " ".join(focus_areas)
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else:
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focus_text = str(focus_areas)
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# Combine description and focus for embedding
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combined_text = f"{description_text} {focus_text}".strip()
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if not combined_text:
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logger.warning(f"No text to embed for investor {investor_data['name']}")
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return
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# Create metadata
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metadata = {
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"investor_id": investor_id,
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"name": investor_data["name"],
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"website": investor_data.get("website", ""),
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"headquarters": investor_data.get("standardized_headquarters")
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or investor_data.get("headquarters", ""),
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"focus_areas_count": len(focus_areas)
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if isinstance(focus_areas, list)
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else 0,
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}
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# Add to ChromaDB
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self.collection.add(
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documents=[combined_text],
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metadatas=[metadata],
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ids=[f"investor_{investor_id}"],
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)
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logger.info(f"Added investor {investor_data['name']} to vector database")
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except Exception as e:
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logger.error(f"Failed to save to vector DB: {e}")
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def process_csv_file(self, csv_file_path: str, limit: Optional[int] = None):
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"""Process the entire CSV file"""
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logger.info(f"Starting to process CSV file: {csv_file_path}")
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# Read CSV
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df = pd.read_csv(csv_file_path)
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logger.info(f"Loaded {len(df)} rows from CSV")
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if limit:
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df = df.head(limit)
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logger.info(f"Processing limited to {limit} rows")
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processed_count = 0
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error_count = 0
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for index, row in df.iterrows():
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try:
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logger.info(f"Processing row {index + 1}/{len(df)}: {row['Name']}")
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# Create CSVRow object
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csv_row = CSVRow(
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name=row["Name"],
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website=row.get("Website"),
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investment_firm_profile=row.get("Investment Firm Profile"),
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crunchbase_linkedin_urls=row.get("Crunchbase & LinkedIn URLs"),
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crunchbase_firm_extract=row.get("Crunchbase Firm Extract"),
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linkedin_investment_profile=row.get("LinkedIn Investment Profile"),
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source_of_truth_profile=row.get("Source of Truth Profile"),
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)
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# Extract structured data
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structured_data = self.extract_structured_data(csv_row)
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# Enhance with LLM
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enhanced_data = self.enhance_with_llm(structured_data)
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# Save to SQL database
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investor_id = self.save_to_sql(enhanced_data)
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# Save to vector database
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self.save_to_vector_db(investor_id, enhanced_data)
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processed_count += 1
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# Progress update every 10 rows
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if (index + 1) % 10 == 0:
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logger.info(
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f"Processed {processed_count} rows successfully, {error_count} errors"
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)
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except Exception as e:
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error_count += 1
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logger.error(
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f"Error processing row {index + 1} ({row.get('Name', 'Unknown')}): {e}"
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)
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continue
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logger.info(
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f"Processing complete! Processed: {processed_count}, Errors: {error_count}"
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)
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return processed_count, error_count
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def search_investors(self, query: str, limit: int = 5):
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"""Search investors using vector similarity"""
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try:
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results = self.collection.query(query_texts=[query], n_results=limit)
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return results
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except Exception as e:
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logger.error(f"Search failed: {e}")
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return None
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def main():
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"""Main function to run the parser"""
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parser = LLMInvestorParser()
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# Process the CSV file
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csv_file = "/home/oluwasanmi/Documents/Work/MKD/anton_wireframe/New Excerpt 5 investors - Sheet1 parse.csv"
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# Start with a small sample for testing
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processed, errors = parser.process_csv_file(csv_file, limit=5)
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print("\nProcessing complete!")
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print(f"Successfully processed: {processed} investors")
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print(f"Errors encountered: {errors}")
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# Test search functionality
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print("\nTesting search functionality...")
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results = parser.search_investors("bioeconomy circular economy")
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if results:
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print(f"Found {len(results['documents'][0])} similar investors")
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for i, doc in enumerate(results["documents"][0]):
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print(f" {i + 1}. {results['metadatas'][0][i]['name']}")
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if __name__ == "__main__":
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main() |