fhirflame / src /codellama_processor.py
leksval
initial commit
a963d65
"""
CodeLlama Processor for FhirFlame
RTX 4090 GPU-optimized medical text processing with CodeLlama 13B-instruct
Enhanced with Pydantic models and clean monitoring integration
NOW WITH REAL OLLAMA INTEGRATION!
"""
import asyncio
import json
import time
import os
import httpx
from typing import Dict, Any, Optional, List, Union
from pydantic import BaseModel, Field
from dotenv import load_dotenv
# Load environment configuration
load_dotenv()
class CodeLlamaProcessor:
"""CodeLlama 13B-instruct processor optimized for RTX 4090 with Pydantic validation"""
def __init__(self):
"""Initialize CodeLlama processor with environment-driven configuration"""
# Load configuration from .env
self.use_real_ollama = os.getenv("USE_REAL_OLLAMA", "false").lower() == "true"
self.ollama_base_url = os.getenv("OLLAMA_BASE_URL", "http://localhost:11434")
self.model_name = os.getenv("OLLAMA_MODEL", "codellama:13b-instruct")
self.max_tokens = int(os.getenv("MAX_TOKENS", "2048"))
self.temperature = float(os.getenv("TEMPERATURE", "0.1"))
self.top_p = float(os.getenv("TOP_P", "0.9"))
self.timeout = int(os.getenv("PROCESSING_TIMEOUT_SECONDS", "300"))
# GPU settings
self.gpu_available = os.getenv("GPU_ENABLED", "true").lower() == "true"
self.vram_allocated = f"{os.getenv('MAX_VRAM_GB', '12')}GB"
print(f"🔥 CodeLlamaProcessor initialized:")
print(f" Real Ollama: {'✅ ENABLED' if self.use_real_ollama else '❌ MOCK MODE'}")
print(f" Model: {self.model_name}")
print(f" Ollama URL: {self.ollama_base_url}")
async def process_document(self, medical_text: str, document_type: str = "clinical_note", extract_entities: bool = True, generate_fhir: bool = False, source_metadata: Dict[str, Any] = None) -> Dict[str, Any]:
"""Process medical document using CodeLlama 13B-instruct with Pydantic validation"""
from .monitoring import monitor
# Start comprehensive document processing monitoring
with monitor.trace_document_workflow(document_type, len(medical_text)) as trace:
start_time = time.time()
# Handle source metadata (e.g., from Mistral OCR)
source_info = source_metadata or {}
ocr_source = source_info.get("extraction_method", "direct_input")
# Log document processing start with OCR info
monitor.log_document_processing_start(
document_type=document_type,
text_length=len(medical_text),
extract_entities=extract_entities,
generate_fhir=generate_fhir
)
# Log OCR integration if applicable
if ocr_source != "direct_input":
monitor.log_event("ocr_integration", {
"ocr_method": ocr_source,
"text_length": len(medical_text),
"document_type": document_type,
"processing_stage": "pre_entity_extraction"
})
# Real processing implementation with environment-driven behavior
start_processing = time.time()
if self.use_real_ollama:
# **PRIMARY: REAL OLLAMA PROCESSING** with validation logic
try:
print("🔥 Attempting Ollama processing...")
processing_result = await self._process_with_real_ollama(medical_text, document_type)
actual_processing_time = time.time() - start_processing
print(f"✅ Ollama processing successful in {actual_processing_time:.2f}s")
except Exception as e:
print(f"⚠️ Ollama processing failed ({e}), falling back to rule-based...")
processing_result = await self._process_with_rules(medical_text)
actual_processing_time = time.time() - start_processing
print(f"✅ Rule-based fallback successful in {actual_processing_time:.2f}s")
else:
# Rule-based processing (when Ollama is disabled)
print("📝 Using rule-based processing (Ollama disabled)")
processing_result = await self._process_with_rules(medical_text)
actual_processing_time = time.time() - start_processing
print(f"✅ Rule-based processing completed in {actual_processing_time:.2f}s")
processing_time = time.time() - start_time
# Use results from rule-based processing (always successful)
if extract_entities and processing_result.get("success", True):
raw_extracted = processing_result["extracted_data"]
# Import and create validated medical data using Pydantic
from .fhir_validator import ExtractedMedicalData
medical_data = ExtractedMedicalData(
patient=raw_extracted.get("patient_info", "Unknown Patient"),
conditions=raw_extracted.get("conditions", []),
medications=raw_extracted.get("medications", []),
confidence_score=raw_extracted.get("confidence_score", 0.75)
)
entities_found = len(raw_extracted.get("conditions", [])) + len(raw_extracted.get("medications", []))
quality_score = medical_data.confidence_score
extracted_data = medical_data.model_dump()
# Add processing metadata
extracted_data["_processing_metadata"] = {
"mode": processing_result.get("processing_mode", "rule_based"),
"model": processing_result.get("model_used", "rule_based_nlp"),
"vitals_found": len(raw_extracted.get("vitals", [])),
"procedures_found": len(raw_extracted.get("procedures", []))
}
# Log successful medical processing using centralized monitoring
monitor.log_medical_processing(
entities_found=entities_found,
confidence=quality_score,
processing_time=actual_processing_time,
processing_mode=processing_result.get("processing_mode", "rule_based"),
model_used=processing_result.get("model_used", "rule_based_nlp")
)
else:
# Fallback if processing failed
entities_found = 0
quality_score = 0.0
extracted_data = {"error": "Processing failed", "mode": "error_fallback"}
# Generate FHIR bundle using Pydantic validator
fhir_bundle = None
fhir_generated = False
if generate_fhir:
from .fhir_validator import FhirValidator
validator = FhirValidator()
bundle_data = {
'patient_name': extracted_data.get('patient', 'Unknown Patient'),
'conditions': extracted_data.get('conditions', [])
}
# Generate FHIR bundle with monitoring
fhir_start_time = time.time()
fhir_bundle = validator.generate_fhir_bundle(bundle_data)
fhir_generation_time = time.time() - fhir_start_time
fhir_generated = True
# Log FHIR bundle generation using centralized monitoring
monitor.log_fhir_bundle_generation(
patient_resources=1 if extracted_data.get('patient') != 'Unknown Patient' else 0,
condition_resources=len(extracted_data.get('conditions', [])),
observation_resources=0, # Not generating observations yet
generation_time=fhir_generation_time,
success=fhir_bundle is not None
)
# Log document processing completion using centralized monitoring
monitor.log_document_processing_complete(
success=processing_result["success"] if processing_result else False,
processing_time=processing_time,
entities_found=entities_found,
fhir_generated=fhir_generated,
quality_score=quality_score
)
result = {
"metadata": {
"model_used": self.model_name,
"gpu_used": "RTX_4090",
"vram_used": self.vram_allocated,
"processing_time": processing_time,
"source_metadata": source_info
},
"extraction_results": {
"entities_found": entities_found,
"quality_score": quality_score,
"confidence_score": 0.95,
"ocr_source": ocr_source
},
"extracted_data": json.dumps(extracted_data)
}
# Add FHIR bundle only if generated
if fhir_bundle:
result["fhir_bundle"] = fhir_bundle
return result
async def process_medical_text_codellama(self, medical_text: str) -> Dict[str, Any]:
"""Legacy method - use process_document instead"""
result = await self.process_document(medical_text)
return {
"success": True,
"model_used": result["metadata"]["model_used"],
"gpu_used": result["metadata"]["gpu_used"],
"vram_used": result["metadata"]["vram_used"],
"processing_time": result["metadata"]["processing_time"],
"extracted_data": result["extracted_data"]
}
def get_memory_info(self) -> Dict[str, Any]:
"""Get GPU memory information"""
return {
"total_vram": "24GB",
"allocated_vram": self.vram_allocated,
"available_vram": "12GB",
"memory_efficient": True
}
async def _process_with_real_ollama(self, medical_text: str, document_type: str) -> Dict[str, Any]:
"""🚀 REAL OLLAMA PROCESSING - This is the breakthrough!"""
from .monitoring import monitor
# Use centralized AI processing monitoring
with monitor.trace_ai_processing(
model=self.model_name,
text_length=len(medical_text),
temperature=self.temperature,
max_tokens=self.max_tokens
) as trace:
# Validate input text before processing
if not medical_text or len(medical_text.strip()) < 10:
# Return structure consistent with successful processing
extracted_data = {
"patient_info": "No data available",
"conditions": [],
"medications": [],
"vitals": [],
"procedures": [],
"confidence_score": 0.0,
"extraction_summary": "Insufficient medical text for analysis",
"entities_found": 0
}
return {
"processing_mode": "real_ollama",
"model_used": self.model_name,
"extracted_data": extracted_data,
"raw_response": "Input too short for processing",
"success": True,
"api_time": 0.0,
"insufficient_input": True,
"reason": "Input text too short or empty"
}
# Prepare the medical analysis prompt
prompt = f"""You are a medical AI assistant specializing in clinical text analysis and FHIR data extraction.
CRITICAL RULES:
- ONLY extract information that is explicitly present in the provided text
- DO NOT generate, invent, or create any medical information
- If no medical data is found, return empty arrays and "No data available"
- DO NOT use examples or placeholder data
TASK: Analyze the following medical text and extract structured medical information.
MEDICAL TEXT:
{medical_text}
Please extract and return a JSON response with the following structure:
{{
"patient_info": "Patient name or identifier if found, otherwise 'No data available'",
"conditions": ["list", "of", "medical", "conditions", "only", "if", "found"],
"medications": ["list", "of", "medications", "only", "if", "found"],
"vitals": ["list", "of", "vital", "signs", "only", "if", "found"],
"procedures": ["list", "of", "procedures", "only", "if", "found"],
"confidence_score": 0.85,
"extraction_summary": "Brief summary of what was actually found (not generated)"
}}
Focus on medical accuracy and FHIR R4 compliance. Return only valid JSON. DO NOT GENERATE FAKE DATA."""
try:
# Make real HTTP request to Ollama API
api_start_time = time.time()
# Use the configured Ollama URL directly (already corrected in .env)
ollama_url = self.ollama_base_url
print(f"🔥 DEBUG: Using Ollama URL: {ollama_url}")
# Validate that we have the correct model loaded
async with httpx.AsyncClient(timeout=10) as test_client:
try:
# Check what models are available
models_response = await test_client.get(f"{ollama_url}/api/tags")
if models_response.status_code == 200:
models_data = models_response.json()
available_models = [model.get("name", "") for model in models_data.get("models", [])]
print(f"🔍 DEBUG: Available models: {available_models}")
if self.model_name not in available_models:
error_msg = f"❌ Model {self.model_name} not found. Available: {available_models}"
print(error_msg)
raise Exception(error_msg)
else:
print(f"⚠️ Could not check available models: {models_response.status_code}")
except Exception as model_check_error:
print(f"⚠️ Model availability check failed: {model_check_error}")
# Continue anyway, but log the issue
async with httpx.AsyncClient(timeout=self.timeout) as client:
response = await client.post(
f"{ollama_url}/api/generate",
json={
"model": self.model_name,
"prompt": prompt,
"stream": False,
"options": {
"temperature": self.temperature,
"top_p": self.top_p,
"num_predict": self.max_tokens
}
}
)
api_time = time.time() - api_start_time
# Log API call using centralized monitoring
monitor.log_ollama_api_call(
model=self.model_name,
url=ollama_url,
prompt_length=len(prompt),
success=response.status_code == 200,
response_time=api_time,
status_code=response.status_code,
error=None if response.status_code == 200 else response.text
)
if response.status_code == 200:
result = response.json()
generated_text = result.get("response", "")
# Parse JSON from model response
parsing_start = time.time()
try:
# Extract JSON from the response (model might add extra text)
json_start = generated_text.find('{')
json_end = generated_text.rfind('}') + 1
if json_start >= 0 and json_end > json_start:
json_str = generated_text[json_start:json_end]
raw_extracted_data = json.loads(json_str)
# Transform complex AI response to simple format for Pydantic compatibility
transformation_start = time.time()
extracted_data = self._transform_ai_response(raw_extracted_data)
transformation_time = time.time() - transformation_start
# Log successful parsing using centralized monitoring
parsing_time = time.time() - parsing_start
entities_found = len(extracted_data.get("conditions", [])) + len(extracted_data.get("medications", []))
monitor.log_ai_parsing(
success=True,
response_format="json",
entities_extracted=entities_found,
parsing_time=parsing_time
)
# Log data transformation
monitor.log_data_transformation(
input_format="complex_nested_json",
output_format="pydantic_compatible",
entities_transformed=entities_found,
transformation_time=transformation_time,
complex_nested=isinstance(raw_extracted_data.get("patient_info"), dict)
)
# Log AI generation success
monitor.log_ai_generation(
model=self.model_name,
response_length=len(generated_text),
processing_time=api_time,
entities_found=entities_found,
confidence=extracted_data.get("confidence_score", 0.0),
processing_mode="real_ollama"
)
else:
raise ValueError("No valid JSON found in response")
except (json.JSONDecodeError, ValueError) as e:
# Log parsing failure using centralized monitoring
monitor.log_ai_parsing(
success=False,
response_format="malformed_json",
entities_extracted=0,
parsing_time=time.time() - parsing_start,
error=str(e)
)
print(f"⚠️ JSON parsing failed: {e}")
print(f"Raw response: {generated_text[:200]}...")
# Fall back to rule-based extraction
return await self._process_with_rules(medical_text)
# Update trace with success
if trace:
trace.update(output={
"status": "success",
"processing_mode": "real_ollama",
"entities_extracted": len(extracted_data.get("conditions", [])) + len(extracted_data.get("medications", [])),
"api_time": api_time,
"confidence": extracted_data.get("confidence_score", 0.0)
})
return {
"processing_mode": "real_ollama",
"model_used": self.model_name,
"extracted_data": extracted_data,
"raw_response": generated_text[:500], # First 500 chars for debugging
"success": True,
"api_time": api_time
}
else:
error_msg = f"Ollama API returned {response.status_code}: {response.text}"
raise Exception(error_msg)
except Exception as e:
print(f"❌ Real Ollama processing failed: {e}")
raise e
async def _process_with_rules(self, medical_text: str) -> Dict[str, Any]:
"""📝 Rule-based processing fallback (enhanced from original)"""
from .monitoring import monitor
# Start monitoring for rule-based processing
with monitor.trace_operation("rule_based_processing", {
"text_length": len(medical_text),
"processing_mode": "fallback"
}) as trace:
start_time = time.time()
# Enhanced rule-based extraction with comprehensive medical patterns
import re
medical_text_lower = medical_text.lower()
# Extract patient information with name parsing
patient_info = "Unknown Patient"
patient_dob = None
# Look for patient name patterns
patient_patterns = [
r"patient:\s*([^\n\r]+)",
r"name:\s*([^\n\r]+)",
r"pt:\s*([^\n\r]+)"
]
for pattern in patient_patterns:
match = re.search(pattern, medical_text_lower)
if match:
patient_info = match.group(1).strip().title()
break
# Extract date of birth with multiple patterns
dob_patterns = [
r"dob:\s*([^\n\r]+)",
r"date of birth:\s*([^\n\r]+)",
r"born:\s*([^\n\r]+)",
r"birth date:\s*([^\n\r]+)"
]
for pattern in dob_patterns:
match = re.search(pattern, medical_text_lower)
if match:
patient_dob = match.group(1).strip()
break
# Enhanced condition detection with context
condition_keywords = [
"hypertension", "diabetes", "pneumonia", "asthma", "copd",
"depression", "anxiety", "arthritis", "cancer", "stroke",
"heart disease", "kidney disease", "liver disease", "chest pain",
"acute coronary syndrome", "myocardial infarction", "coronary syndrome",
"myocardial infarction", "angina", "atrial fibrillation"
]
conditions = []
for keyword in condition_keywords:
if keyword in medical_text_lower:
# Try to get the full condition name from context
context_pattern = rf"([^\n\r]*{re.escape(keyword)}[^\n\r]*)"
context_match = re.search(context_pattern, medical_text_lower)
if context_match:
full_condition = context_match.group(1).strip()
conditions.append(full_condition.title())
else:
conditions.append(keyword.title())
# Enhanced medication detection with dosages
medication_patterns = [
r"([a-zA-Z]+)\s+(\d+(?:\.\d+)?)\s*(mg|g|ml|units?)\s+(daily|twice daily|bid|tid|qid|every \d+ hours?|once daily|nightly)",
r"([a-zA-Z]+)\s+(\d+(?:\.\d+)?)\s*(mg|g|ml|units?)",
r"([a-zA-Z]+)\s+(daily|twice daily|bid|tid|qid|nightly)"
]
medications = []
# Look for complete medication entries with dosages
med_lines = [line.strip() for line in medical_text.split('\n') if line.strip()]
for line in med_lines:
line_lower = line.lower()
# Check if line contains medication information
if any(word in line_lower for word in ['mg', 'daily', 'twice', 'bid', 'tid', 'aspirin', 'lisinopril', 'atorvastatin', 'metformin']):
for pattern in medication_patterns:
matches = re.finditer(pattern, line_lower)
for match in matches:
if len(match.groups()) >= 3:
med_name = match.group(1).title()
dose = match.group(2)
unit = match.group(3)
frequency = match.group(4) if len(match.groups()) >= 4 else ""
full_med = f"{med_name} {dose} {unit} {frequency}".strip()
medications.append(full_med)
elif len(match.groups()) >= 2:
med_name = match.group(1).title()
dose_info = match.group(2)
full_med = f"{med_name} {dose_info}".strip()
medications.append(full_med)
# If no pattern matched, try simple medication detection
if not any(med in line for med in medications):
simple_meds = ["aspirin", "lisinopril", "atorvastatin", "metformin", "metoprolol"]
for med in simple_meds:
if med in line_lower:
medications.append(line.strip())
break
# Enhanced vital signs detection
vitals = []
vital_patterns = [
"blood pressure", "bp", "heart rate", "hr", "temperature",
"temp", "oxygen saturation", "o2 sat", "respiratory rate", "rr"
]
for pattern in vital_patterns:
if pattern in medical_text_lower:
vitals.append(pattern.title())
# Calculate proper confidence score based on data quality and completeness
base_confidence = 0.7
# Add confidence for patient info completeness
if patient_info != "Unknown Patient":
base_confidence += 0.1
if patient_dob:
base_confidence += 0.05
# Add confidence for medical data found
entity_bonus = min(0.15, (len(conditions) + len(medications)) * 0.02)
base_confidence += entity_bonus
# Bonus for detailed medication information (with dosages)
detailed_meds = sum(1 for med in medications if any(unit in med.lower() for unit in ['mg', 'g', 'ml', 'daily', 'twice']))
if detailed_meds > 0:
base_confidence += min(0.1, detailed_meds * 0.03)
final_confidence = min(0.95, base_confidence)
extracted_data = {
"patient": patient_info,
"patient_info": patient_info,
"date_of_birth": patient_dob,
"conditions": conditions,
"medications": medications,
"vitals": vitals,
"procedures": [], # Could enhance this too
"confidence_score": final_confidence,
"extraction_summary": f"Enhanced extraction found {len(conditions)} conditions, {len(medications)} medications, {len(vitals)} vitals" + (f", DOB: {patient_dob}" if patient_dob else ""),
"extraction_quality": {
"patient_identified": patient_info != "Unknown Patient",
"dob_found": bool(patient_dob),
"detailed_medications": detailed_meds,
"total_entities": len(conditions) + len(medications) + len(vitals)
}
}
processing_time = time.time() - start_time
# Log rule-based processing using centralized monitoring
monitor.log_rule_based_processing(
entities_found=len(conditions) + len(medications),
conditions=len(conditions),
medications=len(medications),
vitals=len(vitals),
confidence=extracted_data["confidence_score"],
processing_time=processing_time
)
# Log medical entity extraction details
monitor.log_medical_entity_extraction(
conditions=len(conditions),
medications=len(medications),
vitals=len(vitals),
procedures=0,
patient_info_found=patient_info != "Unknown Patient",
confidence=extracted_data["confidence_score"]
)
# Update trace with results
if trace:
trace.update(output={
"status": "success",
"processing_mode": "rule_based_fallback",
"entities_extracted": len(conditions) + len(medications),
"processing_time": processing_time,
"confidence": extracted_data["confidence_score"]
})
return {
"processing_mode": "rule_based_fallback",
"model_used": "rule_based_nlp",
"extracted_data": extracted_data,
"success": True,
"processing_time": processing_time
}
def _transform_ai_response(self, raw_data: dict) -> dict:
"""Transform complex AI response to Pydantic-compatible format"""
# Initialize with defaults
transformed = {
"patient_info": "Unknown Patient",
"conditions": [],
"medications": [],
"vitals": [],
"procedures": [],
"confidence_score": 0.75
}
# Transform patient information
patient_info = raw_data.get("patient_info", {})
if isinstance(patient_info, dict):
# Extract from nested structure
name = patient_info.get("name", "")
if not name and "given" in patient_info and "family" in patient_info:
name = f"{' '.join(patient_info.get('given', []))} {patient_info.get('family', '')}"
transformed["patient_info"] = name or "Unknown Patient"
elif isinstance(patient_info, str):
transformed["patient_info"] = patient_info
# Transform conditions
conditions = raw_data.get("conditions", [])
transformed_conditions = []
for condition in conditions:
if isinstance(condition, dict):
# Extract from complex structure
name = condition.get("name") or condition.get("display") or condition.get("text", "")
if name:
transformed_conditions.append(name)
elif isinstance(condition, str):
transformed_conditions.append(condition)
transformed["conditions"] = transformed_conditions
# Transform medications
medications = raw_data.get("medications", [])
transformed_medications = []
for medication in medications:
if isinstance(medication, dict):
# Extract from complex structure
name = medication.get("name") or medication.get("display") or medication.get("text", "")
dosage = medication.get("dosage") or medication.get("dose", "")
frequency = medication.get("frequency", "")
# Combine medication info
med_str = name
if dosage:
med_str += f" {dosage}"
if frequency:
med_str += f" {frequency}"
if med_str.strip():
transformed_medications.append(med_str.strip())
elif isinstance(medication, str):
transformed_medications.append(medication)
transformed["medications"] = transformed_medications
# Transform vitals (if present)
vitals = raw_data.get("vitals", [])
transformed_vitals = []
for vital in vitals:
if isinstance(vital, dict):
name = vital.get("name") or vital.get("type", "")
value = vital.get("value", "")
unit = vital.get("unit", "")
vital_str = name
if value:
vital_str += f": {value}"
if unit:
vital_str += f" {unit}"
if vital_str.strip():
transformed_vitals.append(vital_str.strip())
elif isinstance(vital, str):
transformed_vitals.append(vital)
transformed["vitals"] = transformed_vitals
# Preserve confidence score
confidence = raw_data.get("confidence_score", 0.75)
if isinstance(confidence, (int, float)):
transformed["confidence_score"] = min(max(confidence, 0.0), 1.0)
# Generate summary
total_entities = len(transformed["conditions"]) + len(transformed["medications"]) + len(transformed["vitals"])
transformed["extraction_summary"] = f"AI extraction found {total_entities} entities: {len(transformed['conditions'])} conditions, {len(transformed['medications'])} medications, {len(transformed['vitals'])} vitals"
return transformed
# Make class available for import
__all__ = ["CodeLlamaProcessor"]