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bolade
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import json
import logging
import asyncio
import os
from typing import Any, Dict, Optional
from typing import Optional
import chromadb
import pandas as pd
from dotenv import load_dotenv
from openai import OpenAI
from db import get_session, init_database
from py_schemas import CSVRow, Investor
# Load environment variables
load_dotenv()
# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
from db.db import get_db_session
from db.models import (
CompanyMember,
CompanyTable,
InvestorMember,
InvestorTable,
SectorTable,
)
from langchain_openai import ChatOpenAI
from schemas.py_schemas import CompanyData, InvestorData
from sqlalchemy.orm import Session
class LLMInvestorParser:
class InvestorProcessor:
def __init__(self):
# Initialize OpenAI client
self.openai_client = OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
# Initialize ChromaDB
self.chroma_client = chromadb.PersistentClient(path="./chroma_db")
self.collection = self.chroma_client.get_or_create_collection(
name="investor_descriptions",
metadata={
"description": "Investor descriptions and investment thesis focus"
},
self.llm = ChatOpenAI(
api_key=os.getenv("OPENROUTER_API_KEY"),
base_url="https://openrouter.ai/api/v1",
model="openai/gpt-5-nano",
temperature=0,
)
# Initialize database
init_database()
self.investor_structured_llm = self.llm.with_structured_output(InvestorData)
self.company_structured_llm = self.llm.with_structured_output(CompanyData)
def parse_json_field(self, json_str: str) -> Dict[str, Any]:
"""Safely parse JSON string with LLM assistance if needed"""
if not json_str or json_str.strip() == "":
return {}
def _get_or_create_sector(self, db: Session, sector_name: str) -> SectorTable:
"""Get existing sector or create new one"""
sector = db.query(SectorTable).filter(SectorTable.name == sector_name).first()
if not sector:
sector = SectorTable(name=sector_name)
db.add(sector)
db.flush() # Get the ID without committing
return sector
try:
# Try direct JSON parsing first
return json.loads(json_str)
except json.JSONDecodeError:
# If direct parsing fails, use LLM to clean and parse
logger.info("Direct JSON parsing failed, using LLM to clean JSON")
return self._llm_clean_json(json_str)
def _save_investor_to_db(
self, db: Session, investor_data: InvestorData
) -> InvestorTable:
"""Save investor data to database"""
# Create investor record
investor = InvestorTable(
name=investor_data.investor.name,
description=investor_data.investor.description,
aum=investor_data.investor.aum,
check_size_lower=investor_data.investor.check_size_lower,
check_size_upper=investor_data.investor.check_size_upper,
geographic_focus=investor_data.investor.geographic_focus,
stage_focus=investor_data.investor.stage_focus,
number_of_investments=investor_data.investor.number_of_investments,
)
db.add(investor)
db.flush() # Get the ID
def _llm_clean_json(self, malformed_json: str) -> Dict[str, Any]:
"""Use LLM to clean and parse malformed JSON"""
try:
prompt = f"""
The following text appears to be malformed JSON. Please clean it up and return valid JSON.
If it's not possible to create valid JSON, return an empty object {{}}.
Original text:
{malformed_json[:2000]} # Limit length for API
Return only the cleaned JSON, no explanations:
"""
response = self.openai_client.chat.completions.create(
model="gpt-3.5-turbo",
messages=[{"role": "user", "content": prompt}],
temperature=0,
# Add team members
for member_data in investor_data.team_members:
member = InvestorMember(
name=member_data.name,
role=member_data.role,
email=member_data.email,
investor_id=investor.id,
)
db.add(member)
cleaned_json = response.choices[0].message.content.strip()
return json.loads(cleaned_json)
# Add sectors
for sector_data in investor_data.sectors:
sector = self._get_or_create_sector(db, sector_data.name)
investor.sectors.append(sector)
except Exception as e:
logger.error(f"LLM JSON cleaning failed: {e}")
return {}
def extract_structured_data(self, csv_row: CSVRow) -> Dict[str, Any]:
"""Extract and structure data from CSV row using LLM"""
# Parse the investment firm profile
profile_data = {}
if csv_row.investment_firm_profile:
profile_data = self.parse_json_field(csv_row.investment_firm_profile)
# Create structured output
structured_data = {
"name": csv_row.name,
"website": csv_row.website or profile_data.get("websiteURL"),
"investor_description": profile_data.get("investorDescription", ""),
"investment_thesis_focus": profile_data.get("investmentThesisFocus", []),
"headquarters": profile_data.get("headquarters", ""),
"aum_info": profile_data.get("overallAssetsUnderManagement", {}),
"funds_info": profile_data.get("funds", []),
"crunchbase_urls": csv_row.crunchbase_linkedin_urls or "",
"crunchbase_extract": csv_row.crunchbase_firm_extract or "",
"linkedin_profile": csv_row.linkedin_investment_profile or "",
"source_truth_profile": csv_row.source_of_truth_profile or "",
}
return structured_data
def enhance_with_llm(self, investor_data: Dict[str, Any]) -> Dict[str, Any]:
"""Use LLM to enhance and standardize investor data"""
try:
# Combine all available text for context
context_text = " ".join(
[
investor_data.get("investor_description", ""),
investor_data.get("crunchbase_extract", ""),
investor_data.get("linkedin_profile", ""),
investor_data.get("source_truth_profile", ""),
]
# Add portfolio companies
for company_schema in investor_data.portfolio_companies:
# Convert CompanySchema to CompanyData format
company_data = CompanyData(
company=company_schema,
sectors=[], # Will be empty for portfolio companies
members=[], # Will be empty for portfolio companies
investors=[], # Will be empty for portfolio companies
)
company = self._save_company_to_db(db, company_data, skip_investors=True)
investor.portfolio_companies.append(company)
if not context_text.strip():
return investor_data
return investor
prompt = f"""
Based on the following information about an investor, please extract and standardize:
1. A concise investor description (2-3 sentences)
2. Investment thesis focus areas (list of specific focus areas)
3. Headquarters location (city, country format)
Investor: {investor_data["name"]}
Context: {context_text[:3000]} # Limit for API
Return in JSON format:
{{
"enhanced_description": "concise description here",
"standardized_focus": ["focus area 1", "focus area 2", ...],
"standardized_headquarters": "City, Country"
}}
"""
def _save_company_to_db(
self, db: Session, company_data: CompanyData, skip_investors: bool = False
) -> CompanyTable:
"""Save company data to database"""
# Check if company already exists
existing_company = (
db.query(CompanyTable)
.filter(CompanyTable.name == company_data.company.name)
.first()
)
if existing_company:
return existing_company
response = self.openai_client.chat.completions.create(
model="gpt-3.5-turbo",
messages=[{"role": "user", "content": prompt}],
temperature=0.3,
)
# Create company record
company = CompanyTable(
name=company_data.company.name,
industry=company_data.company.industry,
location=company_data.company.location,
description=company_data.company.description,
founded_year=company_data.company.founded_year,
website=company_data.company.website,
)
db.add(company)
db.flush() # Get the ID
enhanced_data = json.loads(response.choices[0].message.content)
# Add company members
for member_data in company_data.members:
if member_data.name: # Only add members with names
member = CompanyMember(
name=member_data.name,
linkedin=member_data.linkedin,
role=member_data.role,
company_id=company.id,
)
db.add(member)
# Update investor data with enhanced information
if enhanced_data.get("enhanced_description"):
investor_data["enhanced_description"] = enhanced_data[
"enhanced_description"
]
# Add sectors
for sector_data in company_data.sectors:
sector = self._get_or_create_sector(db, sector_data.name)
company.sectors.append(sector)
if enhanced_data.get("standardized_focus"):
investor_data["standardized_focus"] = enhanced_data[
"standardized_focus"
]
if enhanced_data.get("standardized_headquarters"):
investor_data["standardized_headquarters"] = enhanced_data[
"standardized_headquarters"
]
return investor_data
except Exception as e:
logger.error(f"LLM enhancement failed for {investor_data['name']}: {e}")
return investor_data
def save_to_sql(self, investor_data: Dict[str, Any]) -> int:
"""Save investor data to SQL database"""
try:
with get_session() as session:
# Check if investor already exists
existing = (
session.query(Investor)
.filter_by(name=investor_data["name"])
# Add investors (if not skipping to avoid circular references)
if not skip_investors:
for investor_data in company_data.investors:
# Look for existing investor by name
existing_investor = (
db.query(InvestorTable)
.filter(InvestorTable.name == investor_data.name)
.first()
)
if existing_investor:
company.investors.append(existing_investor)
if existing:
logger.info(f"Updating existing investor: {investor_data['name']}")
investor = existing
else:
logger.info(f"Creating new investor: {investor_data['name']}")
investor = Investor()
return company
# Map data to investor object
investor.name = investor_data["name"]
investor.website = investor_data.get("website")
investor.investor_description = investor_data.get(
"enhanced_description"
) or investor_data.get("investor_description")
investor.investment_thesis_focus = investor_data.get(
"standardized_focus"
) or investor_data.get("investment_thesis_focus")
investor.headquarters = investor_data.get(
"standardized_headquarters"
) or investor_data.get("headquarters")
# AUM information
aum_info = investor_data.get("aum_info", {})
investor.aum_amount = aum_info.get("aumAmount")
investor.aum_as_of_date = aum_info.get("asOfDate")
investor.aum_source_url = aum_info.get("sourceUrl")
# Fund information
investor.funds_info = investor_data.get("funds_info", [])
# Raw data
investor.crunchbase_urls = investor_data.get("crunchbase_urls")
investor.crunchbase_extract = investor_data.get("crunchbase_extract")
investor.linkedin_profile = investor_data.get("linkedin_profile")
investor.source_truth_profile = investor_data.get(
"source_truth_profile"
async def _process_row(
self, row: pd.Series, row_idx: int, is_investor: bool = True
) -> Optional[InvestorData | CompanyData]:
"""Process a single row of data"""
# Clean values to remove control characters
cleaned_row = {}
for key, value in row.items():
if pd.notna(value):
# Convert to string and clean control characters
clean_value = (
str(value).replace("\n", " ").replace("\r", " ").replace("\t", " ")
)
# Remove other control characters
clean_value = "".join(
char
for char in clean_value
if ord(char) >= 32 or char in ["\n", "\r", "\t"]
)
cleaned_row[key] = clean_value
if not existing:
session.add(investor)
session.flush() # Get the ID
return investor.id
except Exception as e:
logger.error(f"Failed to save to SQL: {e}")
raise
def save_to_vector_db(self, investor_id: int, investor_data: Dict[str, Any]):
"""Save investor description and focus to ChromaDB"""
row_str = ", ".join([f"{key}: {value}" for key, value in cleaned_row.items()])
try:
# Prepare text for embedding
description_text = investor_data.get(
"enhanced_description"
) or investor_data.get("investor_description", "")
focus_areas = investor_data.get("standardized_focus") or investor_data.get(
"investment_thesis_focus", []
)
if isinstance(focus_areas, list):
focus_text = " ".join(focus_areas)
print(f"Processing row {row_idx + 1}...")
if is_investor:
result = await self.investor_structured_llm.ainvoke(row_str)
else:
focus_text = str(focus_areas)
# Combine description and focus for embedding
combined_text = f"{description_text} {focus_text}".strip()
if not combined_text:
logger.warning(f"No text to embed for investor {investor_data['name']}")
return
# Create metadata
metadata = {
"investor_id": investor_id,
"name": investor_data["name"],
"website": investor_data.get("website", ""),
"headquarters": investor_data.get("standardized_headquarters")
or investor_data.get("headquarters", ""),
"focus_areas_count": len(focus_areas)
if isinstance(focus_areas, list)
else 0,
}
# Add to ChromaDB
self.collection.add(
documents=[combined_text],
metadatas=[metadata],
ids=[f"investor_{investor_id}"],
)
logger.info(f"Added investor {investor_data['name']} to vector database")
result = await self.company_structured_llm.ainvoke(row_str)
if result:
return result.model_dump()
return None
except Exception as e:
logger.error(f"Failed to save to vector DB: {e}")
def process_csv_file(self, csv_file_path: str, limit: Optional[int] = None):
"""Process the entire CSV file"""
logger.info(f"Starting to process CSV file: {csv_file_path}")
# Read CSV
df = pd.read_csv(csv_file_path)
logger.info(f"Loaded {len(df)} rows from CSV")
if limit:
df = df.head(limit)
logger.info(f"Processing limited to {limit} rows")
processed_count = 0
error_count = 0
for index, row in df.iterrows():
try:
logger.info(f"Processing row {index + 1}/{len(df)}: {row['Name']}")
# Create CSVRow object
csv_row = CSVRow(
name=row["Name"],
website=row.get("Website"),
investment_firm_profile=row.get("Investment Firm Profile"),
crunchbase_linkedin_urls=row.get("Crunchbase & LinkedIn URLs"),
crunchbase_firm_extract=row.get("Crunchbase Firm Extract"),
linkedin_investment_profile=row.get("LinkedIn Investment Profile"),
source_of_truth_profile=row.get("Source of Truth Profile"),
)
# Extract structured data
structured_data = self.extract_structured_data(csv_row)
# Enhance with LLM
enhanced_data = self.enhance_with_llm(structured_data)
# Save to SQL database
investor_id = self.save_to_sql(enhanced_data)
# Save to vector database
self.save_to_vector_db(investor_id, enhanced_data)
processed_count += 1
# Progress update every 10 rows
if (index + 1) % 10 == 0:
logger.info(
f"Processed {processed_count} rows successfully, {error_count} errors"
)
except Exception as e:
error_count += 1
logger.error(
f"Error processing row {index + 1} ({row.get('Name', 'Unknown')}): {e}"
)
continue
logger.info(
f"Processing complete! Processed: {processed_count}, Errors: {error_count}"
)
return processed_count, error_count
def search_investors(self, query: str, limit: int = 5):
"""Search investors using vector similarity"""
try:
results = self.collection.query(query_texts=[query], n_results=limit)
return results
except Exception as e:
logger.error(f"Search failed: {e}")
print(f"Error processing row {row_idx + 1}: {e}")
return None
async def parse_investors(self, df, save_to_db: bool = True):
"""Parse investors from DataFrame and optionally save to database"""
investors = []
def main():
"""Main function to run the parser"""
parser = LLMInvestorParser()
db = None
if save_to_db:
db = get_db_session()
# Process the CSV file
csv_file = "/home/oluwasanmi/Documents/Work/MKD/anton_wireframe/New Excerpt 5 investors - Sheet1 parse.csv"
try:
# Process rows in batches asynchronously
batch_size = 15 # Adjust batch size as needed
rows = [(idx, row) for idx, row in df.iterrows()]
# Start with a small sample for testing
processed, errors = parser.process_csv_file(csv_file, limit=5)
for i in range(0, len(rows), batch_size):
batch = rows[i : i + batch_size]
print("\nProcessing complete!")
print(f"Successfully processed: {processed} investors")
print(f"Errors encountered: {errors}")
# Process batch asynchronously
tasks = [
self._process_row(row, idx, is_investor=True) for idx, row in batch
]
# Test search functionality
print("\nTesting search functionality...")
results = parser.search_investors("bioeconomy circular economy")
if results:
print(f"Found {len(results['documents'][0])} similar investors")
for i, doc in enumerate(results["documents"][0]):
print(f" {i + 1}. {results['metadatas'][0][i]['name']}")
batch_results = await asyncio.gather(*tasks, return_exceptions=True)
# Handle results from batch
for (idx, row), result in zip(batch, batch_results):
if isinstance(result, Exception):
print(f"Error processing row {idx}: {result}")
if db:
db.rollback()
continue
if result:
# Convert dict to InvestorData if needed
if isinstance(result, dict):
investor_data = InvestorData(**result)
else:
investor_data = result
investors.append(investor_data)
# Save to database if requested
if save_to_db and db:
try:
saved_investor = self._save_investor_to_db(
db, investor_data
)
db.commit()
print(
f"✅ Saved investor '{saved_investor.name}' to database"
)
except Exception as e:
db.rollback()
print(f"❌ Failed to save investor to database: {e}")
print(
f"Completed batch {i // batch_size + 1} of {(len(rows) + batch_size - 1) // batch_size}"
)
except Exception as e:
print(f"Error in batch processing: {e}")
if db:
db.rollback()
finally:
if db:
db.close()
return investors
async def parse_companies(self, df, save_to_db: bool = True):
"""Parse companies from DataFrame and optionally save to database"""
companies = []
db = None
if save_to_db:
db = get_db_session()
try:
# Process rows in batches asynchronously
batch_size = 15 # Adjust batch size as needed
rows = [(idx, row) for idx, row in df.iterrows()]
for i in range(0, len(rows), batch_size):
batch = rows[i : i + batch_size]
# Process batch asynchronously
tasks = [
self._process_row(row, idx, is_investor=False) for idx, row in batch
]
batch_results = await asyncio.gather(*tasks, return_exceptions=True)
# Handle results from batch
for (idx, row), result in zip(batch, batch_results):
if isinstance(result, Exception):
print(f"Error processing row {idx}: {result}")
if db:
db.rollback()
continue
if result:
# Convert dict to CompanyData if needed
if isinstance(result, dict):
company_data = CompanyData(**result)
else:
company_data = result
companies.append(company_data)
# Save to database if requested
if save_to_db and db:
try:
saved_company = self._save_company_to_db(
db, company_data
)
db.commit()
print(
f"✅ Saved company '{saved_company.name}' to database"
)
except Exception as e:
db.rollback()
print(f"❌ Failed to save company to database: {e}")
print(
f"Completed batch {i // batch_size + 1} of {(len(rows) + batch_size - 1) // batch_size}"
)
except Exception as e:
print(f"Error processing row {idx}: {e}")
if db:
db.rollback()
finally:
if db:
db.close()
return companies
if __name__ == "__main__":
main()
# async def main():
# """Main execution function"""
# # Initialize database tables
# print("🔧 Initializing database...")
# init_database()
# # Create processor
# processor = InvestorProcessor()
# print("📊 Processing companies...")
# companies = await processor.parse_companies(
# "data/19 Companies data.csv", save_to_db=True
# )
# print(f"Processed {len(companies)} companies")
# print("\n💰 Processing investors...")
# investors = await processor.parse_investors(
# "data/19 Investors data.csv", save_to_db=True
# )
# print(f"Processed {len(investors)} investors")
# print("\n✨ Processing complete!")
# if __name__ == "__main__":
# asyncio.run(main())
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import asyncio
from typing import List, Optional
import chromadb
import pandas as pd
from db.models import CompanyTable, InvestorTable, InvestorTeamMember, SectorTable
from langchain_core.prompts import PromptTemplate
from langchain_openai import ChatOpenAI
from py_schemas import InvestorData
from pydantic import BaseModel
from settings import settings
class InvestorList(BaseModel):
"""Schema for LLM structured output"""
investor_list: List[InvestorData]
class InvestorProcessor:
def __init__(
self,
sql_session: Optional[object] = None,
vector_db_client: Optional[object] = None,
):
self.template = """You are an expert data extraction assistant. Extract investor information from the provided CSV data and return it as a list of structured records.
Given the following CSV data rows:
{question}
For each row, extract and structure the following fields for the investor:
- name: The investor's full name
- description: Description of the investor
- aum: Assets under management (as integer, use 0 if not available)
- check_size_lower: Lower bound of investment check size (as integer)
- check_size_upper: Upper bound of investment check size (as integer)
- geographic_focus: Geographic region focus
- stage_focus: Investment stage focus (must be one of: seed, series_a, series_b, series_c, growth, late_stage)
- number_of_investments: Number of investments made (default 0)
Also extract related data:
- portfolio_companies: List of companies they've invested in
- team_members: List of team members with name, role, email
- sectors: List of sectors they focus on
Important:
- If a field is not available, use appropriate defaults
- stage_focus must be one of the valid enum values
- Return clean, valid JSON only
Return the data as a structured list of comprehensive investor data."""
self.prompt = PromptTemplate(
template=self.template, input_variables=["question"]
)
self.llm = ChatOpenAI(
api_key=settings.OPENROUTER_API_KEY,
base_url="https://openrouter.ai/api/v1",
model="google/gemini-2.5-flash-lite",
temperature=0,
)
self.structured_llm = self.llm.with_structured_output(InvestorList)
self.sql_session = sql_session
self.vector_db_client = vector_db_client
self.vector_db_client = chromadb.PersistentClient(path="./chroma_db")
self.collection = self.vector_db_client.get_or_create_collection(
name="investor_descriptions",
metadata={
"description": "Investor descriptions and investment thesis focus"
},
)
async def _process_batch(
self, batch: pd.DataFrame, batch_idx: int
) -> List[InvestorData]:
"""Process a single batch of data"""
# Convert batch to string representation - clean the data
batch_str = ""
for idx, row in batch.iterrows():
# Clean values to remove control characters
cleaned_row = {}
for key, value in row.items():
if pd.notna(value):
# Convert to string and clean control characters
clean_value = (
str(value)
.replace("\n", " ")
.replace("\r", " ")
.replace("\t", " ")
)
# Remove other control characters
clean_value = "".join(
char
for char in clean_value
if ord(char) >= 32 or char in ["\n", "\r", "\t"]
)
cleaned_row[key] = clean_value
row_str = ", ".join(
[f"{key}: {value}" for key, value in cleaned_row.items()]
)
batch_str += f"Row {idx + 1}: {row_str}\n"
try:
print(f"Processing batch {batch_idx + 1}...")
batch_results = await self.structured_llm.ainvoke(batch_str)
return batch_results.investor_list
except Exception as e:
print(f"Error processing batch {batch_idx + 1}: {e}")
return []
async def _save_to_sql(self, investor_data_list: List[InvestorData]) -> None:
"""Save investors and related data to SQL database"""
if not self.sql_session:
return
try:
for investor_data in investor_data_list:
# Save investor
db_investor = InvestorTable(
name=investor_data.investor.name,
description=investor_data.investor.description,
aum=investor_data.investor.aum,
check_size_lower=investor_data.investor.check_size_lower,
check_size_upper=investor_data.investor.check_size_upper,
geographic_focus=investor_data.investor.geographic_focus,
stage_focus=investor_data.investor.stage_focus,
number_of_investments=investor_data.investor.number_of_investments,
)
self.sql_session.add(db_investor)
self.sql_session.flush() # Get the ID
# Save sectors and create associations
for sector_data in investor_data.sectors:
# Check if sector exists, create if not
existing_sector = (
self.sql_session.query(SectorTable)
.filter(SectorTable.name == sector_data.name)
.first()
)
if not existing_sector:
db_sector = SectorTable(name=sector_data.name)
self.sql_session.add(db_sector)
self.sql_session.flush()
# Add sector to investor's sectors
db_investor.sectors.append(db_sector)
else:
# Add existing sector to investor if not already there
if existing_sector not in db_investor.sectors:
db_investor.sectors.append(existing_sector)
# Save companies and create portfolio associations
for company_data in investor_data.portfolio_companies:
# Check if company exists, create if not
existing_company = (
self.sql_session.query(CompanyTable)
.filter(CompanyTable.name == company_data.name)
.first()
)
if not existing_company:
db_company = CompanyTable(
name=company_data.name,
industry=company_data.industry,
location=company_data.location,
founded_year=company_data.founded_year,
website=company_data.website,
)
self.sql_session.add(db_company)
self.sql_session.flush()
# Add to investor's portfolio
db_investor.portfolio_companies.append(db_company)
else:
# Add existing company to portfolio if not already there
if existing_company not in db_investor.portfolio_companies:
db_investor.portfolio_companies.append(existing_company)
# Save team members
for team_member_data in investor_data.team_members:
# Check if team member exists
existing_member = (
self.sql_session.query(InvestorTeamMember)
.filter(InvestorTeamMember.email == team_member_data.email)
.first()
)
if not existing_member:
db_team_member = InvestorTeamMember(
name=team_member_data.name,
role=team_member_data.role,
email=team_member_data.email,
investor_id=db_investor.id,
)
self.sql_session.add(db_team_member)
self.sql_session.commit()
print(f"Successfully saved {len(investor_data_list)} investors to database")
except Exception as e:
self.sql_session.rollback()
print(f"Error saving to SQL database: {e}")
raise
async def _save_to_vector_db(self, investor_data_list: List[InvestorData]) -> None:
"""Save investors to vector database"""
if not self.vector_db_client:
return
documents = []
metadatas = []
ids = []
for i, investor_data in enumerate(investor_data_list):
investor = investor_data.investor
sectors = ", ".join([s.name for s in investor_data.sectors])
companies = ", ".join([c.name for c in investor_data.portfolio_companies])
doc_text = f"""
Investor: {investor.name}
Description: {investor.description or "N/A"}
AUM: ${investor.aum:,}
Check Size: ${investor.check_size_lower:,} - ${investor.check_size_upper:,}
Geographic Focus: {investor.geographic_focus}
Stage Focus: {investor.stage_focus.value}
Sectors: {sectors}
Portfolio Companies: {companies}
""".strip()
documents.append(doc_text)
metadatas.append(
{
"name": investor.name,
"stage_focus": investor.stage_focus.value,
"geographic_focus": investor.geographic_focus,
"aum": investor.aum,
}
)
ids.append(
f"investor_{i}_{investor.name.replace(' ', '_').replace('/', '_')}"
)
if documents:
try:
self.collection.add(documents=documents, metadatas=metadatas, ids=ids)
print(
f"Successfully saved {len(documents)} investors to vector database"
)
except Exception as e:
print(f"Error saving to vector database: {e}")
async def process_csv(
self, df: pd.DataFrame, batch_size: int = 10, max_concurrent: int = 10
) -> List[InvestorData]:
"""Process CSV data in parallel batches and save to databases"""
results = []
# Create batches
batches = []
for i in range(0, len(df), batch_size):
batch = df.iloc[i : i + batch_size]
batches.append((batch, i // batch_size))
# Process batches with concurrency control
semaphore = asyncio.Semaphore(max_concurrent)
async def process_with_semaphore(batch_data):
batch, batch_idx = batch_data
async with semaphore:
return await self._process_batch(batch, batch_idx)
# Execute all batches concurrently
batch_results = await asyncio.gather(
*[process_with_semaphore(batch_data) for batch_data in batches],
return_exceptions=True,
)
# Collect results, filtering out exceptions
for batch_result in batch_results:
if not isinstance(batch_result, Exception):
results.extend(batch_result)
# Save to databases
if results:
print(f"Successfully processed {len(results)} investors")
await self._save_to_sql(results)
await self._save_to_vector_db(results)
return results
-290
View File
@@ -1,290 +0,0 @@
import asyncio
from typing import List, Optional
import chromadb
import pandas as pd
from db.models import CompanyTable, InvestorTable, InvestorTeamMember, SectorTable
from langchain_core.prompts import PromptTemplate
from langchain_openai import ChatOpenAI
from py_schemas import InvestorData
from pydantic import BaseModel
from settings import settings
class InvestorOutput(BaseModel):
"""Schema for LLM structured output"""
investor_data: InvestorData
class InvestorProcessor:
def __init__(
self,
sql_session: Optional[object] = None,
vector_db_client: Optional[object] = None,
):
self.template = """You are an expert data extraction assistant. Extract investor information from the provided CSV data and return it as a structured record.
Given the following CSV data row:
{question}
Extract and structure the following fields for the investor:
- name: The investor's full name
- description: Description of the investor
- aum: Assets under management (as integer, use 0 if not available)
- check_size_lower: Lower bound of investment check size (as integer)
- check_size_upper: Upper bound of investment check size (as integer)
- geographic_focus: Geographic region focus
- stage_focus: Investment stage focus (must be one of: seed, series_a, series_b, series_c, growth, late_stage)
- number_of_investments: Number of investments made (default 0)
Also extract related data:
- portfolio_companies: List of companies they've invested in
- team_members: List of team members with name, role, email
- sectors: List of sectors they focus on
Important:
- If a field is not available, use appropriate defaults
- stage_focus must be one of the valid enum values
- Return clean, valid JSON only
Return the data as a single comprehensive investor data record."""
self.prompt = PromptTemplate(
template=self.template, input_variables=["question"]
)
self.llm = ChatOpenAI(
api_key=settings.OPENROUTER_API_KEY,
base_url="https://openrouter.ai/api/v1",
model="google/gemini-2.5-flash-lite",
temperature=0,
)
self.structured_llm = self.llm.with_structured_output(InvestorOutput)
self.sql_session = sql_session
self.vector_db_client = vector_db_client
self.vector_db_client = chromadb.PersistentClient(path="./chroma_db")
self.collection = self.vector_db_client.get_or_create_collection(
name="investor_descriptions",
metadata={
"description": "Investor descriptions and investment thesis focus"
},
)
async def _process_row(
self, row: pd.Series, row_idx: int
) -> Optional[InvestorData]:
"""Process a single row of data"""
# Clean values to remove control characters
cleaned_row = {}
for key, value in row.items():
if pd.notna(value):
# Convert to string and clean control characters
clean_value = (
str(value)
.replace("\n", " ")
.replace("\r", " ")
.replace("\t", " ")
)
# Remove other control characters
clean_value = "".join(
char
for char in clean_value
if ord(char) >= 32 or char in ["\n", "\r", "\t"]
)
cleaned_row[key] = clean_value
row_str = ", ".join(
[f"{key}: {value}" for key, value in cleaned_row.items()]
)
try:
print(f"Processing row {row_idx + 1}...")
result = await self.structured_llm.ainvoke(row_str)
if result.investor_data:
return result.investor_data
return None
except Exception as e:
print(f"Error processing row {row_idx + 1}: {e}")
return None
async def _save_to_sql(self, investor_data_list: List[InvestorData]) -> None:
"""Save investors and related data to SQL database"""
if not self.sql_session:
return
try:
for investor_data in investor_data_list:
# Save investor
db_investor = InvestorTable(
name=investor_data.investor.name,
description=investor_data.investor.description,
aum=investor_data.investor.aum,
check_size_lower=investor_data.investor.check_size_lower,
check_size_upper=investor_data.investor.check_size_upper,
geographic_focus=investor_data.investor.geographic_focus,
stage_focus=investor_data.investor.stage_focus,
number_of_investments=investor_data.investor.number_of_investments,
)
self.sql_session.add(db_investor)
self.sql_session.flush() # Get the ID
# Save sectors and create associations
for sector_data in investor_data.sectors:
# Check if sector exists, create if not
existing_sector = (
self.sql_session.query(SectorTable)
.filter(SectorTable.name == sector_data.name)
.first()
)
if not existing_sector:
db_sector = SectorTable(name=sector_data.name)
self.sql_session.add(db_sector)
self.sql_session.flush()
# Add sector to investor's sectors
db_investor.sectors.append(db_sector)
else:
# Add existing sector to investor if not already there
if existing_sector not in db_investor.sectors:
db_investor.sectors.append(existing_sector)
# Save companies and create portfolio associations
for company_data in investor_data.portfolio_companies:
# Check if company exists, create if not
existing_company = (
self.sql_session.query(CompanyTable)
.filter(CompanyTable.name == company_data.name)
.first()
)
if not existing_company:
db_company = CompanyTable(
name=company_data.name,
industry=company_data.industry,
location=company_data.location,
founded_year=company_data.founded_year,
website=company_data.website,
)
self.sql_session.add(db_company)
self.sql_session.flush()
# Add to investor's portfolio
db_investor.portfolio_companies.append(db_company)
else:
# Add existing company to portfolio if not already there
if existing_company not in db_investor.portfolio_companies:
db_investor.portfolio_companies.append(existing_company)
# Save team members
for team_member_data in investor_data.team_members:
# Check if team member exists
existing_member = (
self.sql_session.query(InvestorTeamMember)
.filter(InvestorTeamMember.email == team_member_data.email)
.first()
)
if not existing_member:
db_team_member = InvestorTeamMember(
name=team_member_data.name,
role=team_member_data.role,
email=team_member_data.email,
investor_id=db_investor.id,
)
self.sql_session.add(db_team_member)
self.sql_session.commit()
print(f"Successfully saved {len(investor_data_list)} investors to database")
except Exception as e:
self.sql_session.rollback()
print(f"Error saving to SQL database: {e}")
raise
async def _save_to_vector_db(self, investor_data_list: List[InvestorData]) -> None:
"""Save investors to vector database"""
if not self.vector_db_client:
return
documents = []
metadatas = []
ids = []
for i, investor_data in enumerate(investor_data_list):
investor = investor_data.investor
sectors = ", ".join([s.name for s in investor_data.sectors])
companies = ", ".join([c.name for c in investor_data.portfolio_companies])
doc_text = f"""
Investor: {investor.name}
Description: {investor.description or "N/A"}
AUM: ${investor.aum:,}
Check Size: ${investor.check_size_lower:,} - ${investor.check_size_upper:,}
Geographic Focus: {investor.geographic_focus}
Stage Focus: {investor.stage_focus.value}
Sectors: {sectors}
Portfolio Companies: {companies}
""".strip()
documents.append(doc_text)
metadatas.append(
{
"name": investor.name,
"stage_focus": investor.stage_focus.value,
"geographic_focus": investor.geographic_focus,
"aum": investor.aum,
}
)
ids.append(
f"investor_{i}_{investor.name.replace(' ', '_').replace('/', '_')}"
)
if documents:
try:
self.collection.add(documents=documents, metadatas=metadatas, ids=ids)
print(
f"Successfully saved {len(documents)} investors to vector database"
)
except Exception as e:
print(f"Error saving to vector database: {e}")
async def process_csv(
self, df: pd.DataFrame, max_concurrent: int = 10
) -> List[InvestorData]:
"""Process CSV data one row at a time and save to databases"""
results = []
# Create semaphore for concurrency control
semaphore = asyncio.Semaphore(max_concurrent)
async def process_row_with_semaphore(row_data):
row, row_idx = row_data
async with semaphore:
return await self._process_row(row, row_idx)
# Create row tasks
row_tasks = []
for idx, row in df.iterrows():
row_tasks.append((row, idx))
# Execute all rows concurrently
row_results = await asyncio.gather(
*[process_row_with_semaphore(row_data) for row_data in row_tasks],
return_exceptions=True,
)
# Collect results, filtering out exceptions and None values
for row_result in row_results:
if not isinstance(row_result, Exception) and row_result is not None:
results.append(row_result)
# Save to databases
if results:
print(f"Successfully processed {len(results)} investors")
await self._save_to_sql(results)
await self._save_to_vector_db(results)
return results
+73 -235
View File
@@ -1,88 +1,47 @@
from typing import List, Optional
import os
from typing import List
import chromadb
from db.db import DATABASE_URL, get_db
from db.models import InvestorTable
from langchain import hub
from langchain_community.agent_toolkits import SQLDatabaseToolkit
from langchain_community.utilities import SQLDatabase
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent
from py_schemas import InvestorData, InvestorList
from settings import settings
from schemas.py_schemas import InvestorData, InvestorList
from sqlalchemy.orm import selectinload
# Connect to SQLite
prompt_template = hub.pull("langchain-ai/sql-agent-system-prompt")
db = SQLDatabase.from_uri("sqlite:///investors.db")
system_message = (
prompt_template.format(dialect="SQLite", top_k=5)
+ "\n Get answers from the Sql database and the vector database"
)
db = SQLDatabase.from_uri(DATABASE_URL)
class QueryProcessor:
def __init__(
self,
sql_session: Optional[object] = None,
vector_db_client: Optional[object] = None,
):
self.sql_session = sql_session
def __init__(self):
self.llm = ChatOpenAI(
api_key=settings.OPENROUTER_API_KEY,
api_key=os.getenv("OPENROUTER_API_KEY"),
base_url="https://openrouter.ai/api/v1",
model="google/gemini-2.5-flash-lite",
model="openai/gpt-5-nano",
temperature=0.3,
)
self.toolkit = SQLDatabaseToolkit(db=db, llm=self.llm)
# Update system message to specifically request only investor IDs
system_message_updated = (
prompt_template.format(dialect="SQLite", top_k=5)
+ "\n\nIMPORTANT: You must ONLY return the investor IDs (id field) that match the user's criteria. "
+ "Do NOT return any other information, explanations, or data. "
+ "Your response should be ONLY a comma-separated list of numbers representing the investor IDs. "
+ "Example format: 1, 5, 12, 23"
)
self.agent = create_react_agent(
model=self.llm,
tools=self.toolkit.get_tools() + [self.query_vector_database],
prompt=system_message,
tools=self.toolkit.get_tools(),
prompt=system_message_updated,
)
self.vector_db_client = vector_db_client
self.vector_db_client = chromadb.PersistentClient(path="./chroma_db")
self.collection = self.vector_db_client.get_or_create_collection(
name="investor_descriptions",
metadata={
"description": "Investor descriptions and investment thesis focus"
},
)
def query_sql_database(self, query: str) -> Optional[InvestorList]:
"""Query the SQL database for investor information."""
if not self.sql_session:
return None
# Implement SQL querying logic here
result = self.sql_session.execute(query)
investors = result.scalars().all()
return InvestorList(investors=investors)
def query_vector_database(self, query: str) -> Optional[InvestorList]:
"""Query the vector database for investor information."""
if not self.vector_db_client:
return None
print("VECTOR STORE WAS CALLED")
# Query the collection directly, not passing collection as parameter
results = self.collection.query(
query_texts=[query], # ChromaDB expects a list of query texts
n_results=3, # Specify how many results you want
)
print(results)
# ChromaDB returns results in a different structure
# results will have 'documents', 'metadatas', 'ids', 'distances'
return results
def process_query(self, question: str) -> InvestorList:
"""Process a query using the LLM and return structured investor data."""
# Extract filters from the query first
filters = self._extract_filters_from_query(question)
# Get AI response for additional context
"""Process a query using the LLM and return investor data."""
# Let the LLM handle all database interactions and filtering to get IDs
response = self.agent.invoke(
{"messages": [("user", question)]},
)
@@ -92,189 +51,68 @@ class QueryProcessor:
response["messages"][-1].content if response.get("messages") else ""
)
# Try to extract investor IDs or names from the AI response
investor_ids = self._extract_investor_info_from_response(ai_response)
# Extract investor IDs from the AI response
investor_ids = self._extract_investor_ids_from_response(ai_response)
# Fetch filtered investor data with relationships from database
return self._fetch_investors_with_relationships(investor_ids, filters)
# Fetch full investor data using the IDs
return self._fetch_investors_by_ids(investor_ids)
def _extract_investor_info_from_response(self, ai_response: str) -> List[int]:
"""Extract investor IDs from AI response. This is a simple implementation."""
# This is a basic implementation - you might want to make it more sophisticated
# based on how your AI formats responses
investor_ids = []
# If the AI can't provide structured data, fall back to getting all investors
# that match basic criteria
try:
# Try to extract numbers that might be IDs
import re
ids = re.findall(r"\bid:\s*(\d+)", ai_response.lower())
investor_ids = [int(id_str) for id_str in ids]
except Exception:
pass
return investor_ids if investor_ids else []
def _extract_filters_from_query(self, question: str) -> dict:
"""Extract filter criteria from natural language query."""
question_lower = question.lower()
filters = {}
# Extract stage filters
if any(
stage in question_lower
for stage in [
"seed",
"series a",
"series b",
"series c",
"growth",
"late stage",
]
):
if "seed" in question_lower:
filters["stage"] = "SEED"
elif "series a" in question_lower:
filters["stage"] = "SERIES_A"
elif "series b" in question_lower:
filters["stage"] = "SERIES_B"
elif "series c" in question_lower:
filters["stage"] = "SERIES_C"
elif "growth" in question_lower:
filters["stage"] = "GROWTH"
elif "late stage" in question_lower:
filters["stage"] = "LATE_STAGE"
# Extract geographic filters
if any(
geo in question_lower
for geo in [
"us",
"usa",
"united states",
"europe",
"asia",
"silicon valley",
"bay area",
]
):
if (
"us" in question_lower
or "usa" in question_lower
or "united states" in question_lower
):
filters["geography"] = "US"
elif "europe" in question_lower:
filters["geography"] = "Europe"
elif "asia" in question_lower:
filters["geography"] = "Asia"
elif "silicon valley" in question_lower or "bay area" in question_lower:
filters["geography"] = "Silicon Valley"
# Extract sector filters
sectors = [
"fintech",
"healthcare",
"saas",
"ai",
"biotech",
"consumer",
"enterprise",
"crypto",
"blockchain",
]
for sector in sectors:
if sector in question_lower:
filters["sector"] = sector
break
# Extract check size filters (simple patterns)
def _extract_investor_ids_from_response(self, ai_response: str) -> List[int]:
"""Extract investor IDs from AI response."""
import re
amounts = re.findall(
r"\$?(\d+(?:,\d{3})*(?:\.\d+)?)\s*(?:million|m|k|thousand)", question_lower
)
if amounts:
amount = amounts[0].replace(",", "")
if "million" in question_lower or "m" in question_lower:
filters["min_check_size"] = int(float(amount) * 1000000)
elif "thousand" in question_lower or "k" in question_lower:
filters["min_check_size"] = int(float(amount) * 1000)
investor_ids = []
try:
# Try multiple patterns to extract IDs from the response
# Pattern 1: Simple numbers (assuming they are IDs)
numbers = re.findall(r"\b\d+\b", ai_response)
investor_ids = [int(num) for num in numbers]
return filters
# Pattern 2: If response contains explicit ID references
id_matches = re.findall(r"\bid[:\s]*(\d+)", ai_response.lower())
if id_matches:
investor_ids = [int(id_str) for id_str in id_matches]
def _fetch_investors_with_relationships(
self, investor_ids: List[int] = None, filters: dict = None
) -> InvestorList:
"""Fetch investors with all their relationships from the database."""
if not self.sql_session:
except Exception as e:
print(f"Error extracting IDs from response: {e}")
return []
return investor_ids
def _fetch_investors_by_ids(self, investor_ids: List[int]) -> InvestorList:
"""Fetch investors with all their relationships from the database using IDs."""
if not investor_ids:
return InvestorList(investors=[])
# Import here to avoid circular imports
from db.models import SectorTable
# Get database session
db_session = next(get_db())
# Build query with all relationships loaded
query = self.sql_session.query(InvestorTable).options(
selectinload(InvestorTable.portfolio_companies),
selectinload(InvestorTable.team_members),
selectinload(InvestorTable.sectors),
)
# Apply filters if provided
if filters:
if "stage" in filters:
from db.models import InvestmentStage
stage_enum = getattr(InvestmentStage, filters["stage"])
query = query.filter(InvestorTable.stage_focus == stage_enum)
if "geography" in filters:
query = query.filter(
InvestorTable.geographic_focus.ilike(f"%{filters['geography']}%")
try:
# Build query with all relationships loaded
query = (
db_session.query(InvestorTable)
.options(
selectinload(InvestorTable.portfolio_companies),
selectinload(InvestorTable.team_members),
selectinload(InvestorTable.sectors),
)
if "min_check_size" in filters:
query = query.filter(
InvestorTable.check_size_lower >= filters["min_check_size"]
)
if "max_check_size" in filters:
query = query.filter(
InvestorTable.check_size_upper <= filters["max_check_size"]
)
if "min_aum" in filters:
query = query.filter(InvestorTable.aum >= filters["min_aum"])
if "max_aum" in filters:
query = query.filter(InvestorTable.aum <= filters["max_aum"])
if "sector" in filters:
query = query.join(InvestorTable.sectors).filter(
SectorTable.name.ilike(f"%{filters['sector']}%")
)
# Filter by IDs if provided
if investor_ids:
query = query.filter(InvestorTable.id.in_(investor_ids))
else:
# If no specific IDs and no filters, limit to prevent overwhelming response
if not filters:
query = query.limit(10)
investors = query.all()
# Transform to InvestorData format
investor_data_list = []
for investor in investors:
investor_data = InvestorData(
investor=investor,
portfolio_companies=investor.portfolio_companies,
team_members=investor.team_members,
sectors=investor.sectors,
.filter(InvestorTable.id.in_(investor_ids))
)
investor_data_list.append(investor_data)
return InvestorList(investors=investor_data_list)
investors = query.all()
# Transform to InvestorData format
investor_data_list = []
for investor in investors:
investor_data = InvestorData(
investor=investor,
portfolio_companies=investor.portfolio_companies,
team_members=investor.team_members,
sectors=investor.sectors,
)
investor_data_list.append(investor_data)
return InvestorList(investors=investor_data_list)
finally:
db_session.close()