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enhanced_rag.py
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1323 lines (1089 loc) · 63.5 KB
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import json
import logging
from datetime import datetime
import numpy as np
import re
from collections import Counter
from typing import Dict, List, Tuple, Optional
from sentence_transformers import SentenceTransformer
from sklearn.metrics.pairwise import cosine_similarity
from openai import OpenAI
import pprint
# Import our similarity matrix manager
from similarity_matrix_manager import SimilarityMatrixManager
class EnhancedCompactAeropressRAG:
def __init__(self, recipe_database_path, similarity_matrices_path=None,
model_name="gpt-4.1", embedding_model="all-mpnet-base-v2"):
# Set up logging
self.logger = logging.getLogger("EnhancedCompactAeropressRAG")
self.logger.setLevel(logging.INFO)
handler = logging.StreamHandler()
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
self.logger.addHandler(handler)
self.logger.info("Initializing Enhanced Compact Aeropress RAG")
self.recipes_db = self._load_recipe_database(recipe_database_path)
self.embedding_model = SentenceTransformer(embedding_model)
self.model_name = model_name
self.llm_client = OpenAI()
# Create flat embeddings (sufficient for 51 recipes)
self.recipe_embeddings = self._create_recipe_embeddings()
self.logger.info(f"Created recipe embeddings of shape {self.recipe_embeddings.shape}")
# Create specialized coffee attribute embeddings
self.coffee_embeddings = self._create_attribute_embeddings()
self.logger.info(f"Created coffee attribute embeddings of shape {self.coffee_embeddings.shape}")
# Create method embeddings
self.method_embeddings = self._create_method_embeddings()
self.logger.info(f"Created method embeddings of shape {self.method_embeddings.shape}")
# Pre-calculate indices for fast lookup
self.processing_index = self._build_processing_index()
self.origin_index = self._build_origin_index()
self.country_index = self._build_country_index()
# Initialize similarity matrix manager if available
if similarity_matrices_path:
try:
self.similarity_matrix_manager = SimilarityMatrixManager(similarity_matrices_path)
self.logger.info("Initialized similarity matrix manager")
except Exception as e:
self.logger.error(f"Failed to initialize similarity matrix manager: {str(e)}")
self.similarity_matrix_manager = None
else:
self.similarity_matrix_manager = None
self.logger.warning("No similarity matrices path provided, similarity enhancement disabled")
# WAC competition rules
self.wac_rules = {
"max_coffee_dose": 18.0, # Maximum 18g coffee dose
"min_brew_output": 150.0, # Minimum 150ml/g output
"max_time": 300, # 5-minute (300 seconds) time limit
"allowed_ingredients": ["coffee", "water"], # Only coffee and water
"allowed_positions": ["standard", "inverted"], # Standard or inverted
"allowed_brewers": ["AeroPress Original", "AeroPress Clear"] # Allowed brewer types
}
self.logger.info("Enhanced CompactAeropressRAG initialized successfully")
def _load_recipe_database(self, path):
"""Load recipe database from JSON file"""
with open(path, 'r') as f:
return json.load(f)
def retrieve_similar_recipes(self, coffee_attributes, k=5, weights=None):
"""Retrieve similar recipes with boosting for exact matches and semantic similarity"""
if weights is None:
weights = {'attributes': 0.7, 'method': 0.1, 'recipe': 0.2}
# Original retrieval code (unchanged)
# Get query about coffee characteristics
query = f"""
Origin: {coffee_attributes.get('origin', 'Unknown')}
Country: {coffee_attributes.get('country', 'Unknown')}
Processing: {coffee_attributes.get('processing', 'Unknown')}
"""
# Calculate similarity for coffee attributes
query_attribute_embedding = self.embedding_model.encode([query])[0]
attribute_similarities = cosine_similarity(
[query_attribute_embedding],
self.coffee_embeddings
)[0]
# Calculate similarity for overall recipe
query_recipe_embedding = self.embedding_model.encode(
[self._query_to_full_text(coffee_attributes)]
)[0]
recipe_similarities = cosine_similarity(
[query_recipe_embedding],
self.recipe_embeddings
)[0]
# Get method preference if provided
method_similarities = np.zeros(len(self.recipes_db))
if coffee_attributes.get('preferred_method'):
query_method_embedding = self.embedding_model.encode(
[f"Position: {coffee_attributes.get('preferred_position', '')}. "
f"Method: {coffee_attributes.get('preferred_method', '')}"]
)[0]
method_similarities = cosine_similarity(
[query_method_embedding],
self.method_embeddings
)[0]
# Combine scores with weights
combined_scores = (
weights['attributes'] * attribute_similarities +
weights['method'] * method_similarities +
weights['recipe'] * recipe_similarities
)
# Apply exact match boosts using the existing indices
query_processing = coffee_attributes.get('processing', '').lower()
query_origin = coffee_attributes.get('origin', '').lower()
query_country = coffee_attributes.get('country', '').lower()
origin_matches = []
if query_origin and query_origin in self.origin_index:
origin_matches.extend(self.origin_index[query_origin])
self.logger.info(f"Found exact origin matches for '{query_origin}'")
elif query_country and query_country in self.country_index:
origin_matches.extend(self.country_index[query_country])
self.logger.info(f"Found exact country matches for '{query_country}'")
# Apply 50% boost for exact processing method match
if query_processing and query_processing in self.processing_index:
for idx in self.processing_index[query_processing]:
combined_scores[idx] *= 1.5
self.logger.info(f"Applied processing method boost for '{query_processing}'")
# Apply 30% boost for exact origin match
if query_origin and query_origin in self.origin_index:
for idx in self.origin_index[query_origin]:
combined_scores[idx] *= 2.5
self.logger.info(f"Applied origin boost for '{query_origin}'")
# Apply 20% boost for exact country match if origin not matched
if not query_origin and query_country and query_country in self.country_index:
for idx in self.country_index[query_country]:
combined_scores[idx] *= 1.2
self.logger.info(f"Applied country boost for '{query_country}'")
# Apply WAC compliance boost: favor recipes with doses <= 18g
for idx, recipe in enumerate(self.recipes_db):
recipe_origin = recipe.get('coffee', {}).get('origin', '')
recipe_processing = recipe.get('coffee', {}).get('processing', '')
recipe_dose = recipe.get('recipe', {}).get('dose', 0)
if 0 < recipe_dose <= self.wac_rules["max_coffee_dose"]:
combined_scores[idx] *= 1.05 # 5% boost for WAC-compliant doses
if recipe_origin and recipe_processing:
if (recipe_origin.lower() == query_origin and
recipe_processing.lower() == query_processing):
combined_scores[idx] *= 3.0 # Substantial boost for matching both
# Get top k indices
top_indices = combined_scores.argsort()[-k:][::-1]
# Create similar recipes list
similar_recipes = []
for idx in top_indices:
similar_recipes.append({
'recipe': self.recipes_db[idx],
'similarity': combined_scores[idx]
})
# Apply similarity matrix enhancement if available
if self.similarity_matrix_manager:
self.logger.info("Enhancing retrieval with similarity matrices")
similar_recipes = self._enhance_retrieval_with_similarity_matrices(
coffee_attributes, similar_recipes)
return similar_recipes
# Include the _enhance_retrieval_with_similarity_matrices method here
def _enhance_retrieval_with_similarity_matrices(self, coffee_attributes, similar_recipes):
"""
Enhance recipe retrieval using similarity matrices when exact matches aren't available
Args:
coffee_attributes: User's requested coffee attributes
similar_recipes: Current list of similar recipes from embedding search
Returns:
Enhanced list of similar recipes with adjusted similarity scores
"""
if not hasattr(self, 'similarity_matrix_manager') or self.similarity_matrix_manager is None:
self.logger.warning("Similarity matrix manager not initialized, skipping enhancement")
return similar_recipes
# Extract key attributes from the query
query_origin = coffee_attributes.get('origin', '').lower()
query_processing = coffee_attributes.get('processing', '').lower()
query_variety = coffee_attributes.get('variety', '').lower()
# Check if we have direct matches for these attributes in our similar_recipes
has_origin_match = any(recipe['recipe'].get('coffee', {}).get('origin', '').lower() == query_origin
for recipe in similar_recipes)
has_processing_match = any(recipe['recipe'].get('coffee', {}).get('processing', '').lower() == query_processing
for recipe in similar_recipes)
# Only apply similarity-based enhancement if we're missing direct matches
enhanced_recipes = similar_recipes.copy()
# For each similar recipe, adjust similarity score based on attribute similarity
for i, recipe_data in enumerate(enhanced_recipes):
recipe = recipe_data['recipe']
coffee = recipe.get('coffee', {})
recipe_origin = coffee.get('origin', '')
recipe_processing = coffee.get('processing', '')
recipe_variety = coffee.get('variety', '')
boost_factor = 1.0
# Apply origin similarity if no direct match
if query_origin and recipe_origin and not has_origin_match:
origin_similarity = self.similarity_matrix_manager.get_similarity_score(
query_origin, recipe_origin, 'origin')
if origin_similarity > 0.7: # Only boost for high similarity
boost_factor *= (1.0 + origin_similarity * 0.5) # Up to 50% boost
self.logger.info(
f"Boosting recipe due to origin similarity: {query_origin} -> {recipe_origin} = {origin_similarity}")
# Apply processing similarity if no direct match
if query_processing and recipe_processing and not has_processing_match:
process_similarity = self.similarity_matrix_manager.get_similarity_score(
query_processing, recipe_processing, 'process')
if process_similarity > 0.7: # Only boost for high similarity
boost_factor *= (1.0 + process_similarity * 0.5) # Up to 50% boost
self.logger.info(
f"Boosting recipe due to processing similarity: {query_processing} -> {recipe_processing} = {process_similarity}")
# Apply variety similarity if available
if query_variety and recipe_variety:
variety_similarity = self.similarity_matrix_manager.get_similarity_score(
query_variety, recipe_variety, 'variety')
if variety_similarity > 0.7:
boost_factor *= (1.0 + variety_similarity * 0.3) # Up to 30% boost
self.logger.info(
f"Boosting recipe due to variety similarity: {query_variety} -> {recipe_variety} = {variety_similarity}")
# Apply the boost to the similarity score
if boost_factor > 1.0:
enhanced_recipes[i]['similarity'] *= boost_factor
# Resort the recipes based on enhanced similarity scores
enhanced_recipes.sort(key=lambda x: x['similarity'], reverse=True)
return enhanced_recipes
def _suggest_similar_attributes(self, coffee_attributes):
"""
Suggest similar coffee attributes when exact matches aren't available
Args:
coffee_attributes: User's requested coffee attributes
Returns:
Dictionary with suggested similar attributes
"""
if not hasattr(self, 'similarity_matrix_manager') or self.similarity_matrix_manager is None:
return {}
suggestions = {}
# Check origin
query_origin = coffee_attributes.get('origin', '')
if query_origin and query_origin.lower() not in self.origin_index:
# Try to find similar origins
closest_origin = self.similarity_matrix_manager.find_closest_term(query_origin, 'origin')
if closest_origin:
suggestions['origin'] = closest_origin
self.logger.info(
f"Suggesting similar origin: {query_origin} -> {closest_origin['term']} (similarity: {closest_origin['similarity']:.2f})")
# Get additional similar origins
similar_origins = self.similarity_matrix_manager.get_similar_terms(closest_origin['term'], 'origin')
if similar_origins:
suggestions['similar_origins'] = similar_origins[:3] # Top 3 similar origins
# Check processing method
query_processing = coffee_attributes.get('processing', '')
if query_processing and query_processing.lower() not in self.processing_index:
# Try to find similar processing methods
closest_processing = self.similarity_matrix_manager.find_closest_term(query_processing, 'process')
if closest_processing:
suggestions['processing'] = closest_processing
self.logger.info(
f"Suggesting similar processing: {query_processing} -> {closest_processing['term']} (similarity: {closest_processing['similarity']:.2f})")
# Get additional similar processing methods
similar_processes = self.similarity_matrix_manager.get_similar_terms(closest_processing['term'],
'process')
if similar_processes:
suggestions['similar_processes'] = similar_processes[:3] # Top 3 similar processes
# Check variety
query_variety = coffee_attributes.get('variety', '')
if query_variety:
closest_variety = self.similarity_matrix_manager.find_closest_term(query_variety, 'variety')
if closest_variety:
suggestions['variety'] = closest_variety
self.logger.info(
f"Suggesting similar variety: {query_variety} -> {closest_variety['term']} (similarity: {closest_variety['similarity']:.2f})")
# Get additional similar varieties
similar_varieties = self.similarity_matrix_manager.get_similar_terms(closest_variety['term'], 'variety')
if similar_varieties:
suggestions['similar_varieties'] = similar_varieties[:3] # Top 3 similar varieties
return suggestions
def generate_recipe(self, coffee_attributes, user_preferences=None):
"""Main method to generate WAC-compliant recipe for given coffee attributes"""
self.logger.info(f"Generating recipe for coffee attributes: {coffee_attributes}")
# Check if we need to suggest similar attributes
suggested_attributes = self._suggest_similar_attributes(coffee_attributes)
# If we have suggested attributes, add them to the explanation
if suggested_attributes:
self.logger.info(f"Found suggested attributes: {suggested_attributes}")
# Enhance coffee attributes with suggested replacements if there's no direct match
enhanced_attributes = coffee_attributes.copy()
if 'origin' in suggested_attributes and coffee_attributes.get('origin',
'').lower() not in self.origin_index:
suggested_origin = suggested_attributes['origin']['term']
self.logger.info(f"Using suggested origin: {suggested_origin}")
enhanced_attributes['origin'] = suggested_origin
if 'processing' in suggested_attributes and coffee_attributes.get('processing',
'').lower() not in self.processing_index:
suggested_processing = suggested_attributes['processing']['term']
self.logger.info(f"Using suggested processing: {suggested_processing}")
enhanced_attributes['processing'] = suggested_processing
# 1. Retrieve similar recipes with enhanced attributes
similar_recipes = self.retrieve_similar_recipes(enhanced_attributes)
else:
# 1. Retrieve similar recipes with original attributes
similar_recipes = self.retrieve_similar_recipes(coffee_attributes)
# 2. Calculate confidence metrics
confidence_data = self.calculate_confidence(similar_recipes, coffee_attributes)
# 3. Synthesize recipe parameters with WAC compliance
recipe = self.synthesize_recipe(similar_recipes, coffee_attributes, user_preferences)
# 4. Generate detailed explanation
explanation = self.generate_explanation(recipe, similar_recipes,
confidence_data, coffee_attributes, suggested_attributes)
# 5. Evaluate recipe accuracy
accuracy = self.evaluate_recipe_accuracy(recipe, similar_recipes, coffee_attributes)
return {
"recipe": recipe,
"explanation": explanation,
"confidence": confidence_data,
"accuracy": accuracy,
"similar_recipes": similar_recipes[:3],
"suggested_attributes": suggested_attributes,
"wac_compliant": True
}
# Rest of the CompactAeropressRAG methods would be included here...
def _create_recipe_embeddings(self):
"""Create comprehensive recipe embeddings"""
texts = []
for recipe in self.recipes_db:
text = self._recipe_to_text(recipe)
texts.append(text)
return self.embedding_model.encode(texts)
def _create_attribute_embeddings(self):
"""Create coffee attribute-focused embeddings"""
texts = []
for recipe in self.recipes_db:
coffee = recipe.get('coffee', {})
text = f"""
Origin: {coffee.get('origin', 'Unknown')}
Country: {coffee.get('country', 'Unknown')}
Region: {coffee.get('region', 'Unknown')}
Processing: {coffee.get('processing', 'Unknown')}
Variety: {coffee.get('variety', 'Unknown')}
"""
texts.append(text)
return self.embedding_model.encode(texts)
def _create_method_embeddings(self):
"""Create method-focused embeddings"""
texts = []
for recipe in self.recipes_db:
recipe_data = recipe.get('recipe', {})
method = ' '.join(recipe_data.get('method', []))
position = recipe_data.get('position', 'Unknown')
text = f"Position: {position}. Method: {method}"
texts.append(text)
return self.embedding_model.encode(texts)
def _recipe_to_text(self, recipe):
"""Convert recipe to comprehensive text for embedding"""
recipe_data = recipe.get('recipe', {})
coffee = recipe.get('coffee', {})
return f"""
Competitor: {recipe.get('competitor_name', 'Unknown')}
Year: {recipe.get('year', 'Unknown')}
Placement: {recipe.get('placement', 'Unknown')}
Coffee Origin: {coffee.get('origin', 'Unknown')}
Coffee Country: {coffee.get('country', 'Unknown')}
Coffee Region: {coffee.get('region', 'Unknown')}
Coffee Processing: {coffee.get('processing', 'Unknown')}
Coffee Variety: {coffee.get('variety', 'Unknown')}
Brewing Position: {recipe_data.get('position', 'Unknown')}
Dose: {recipe_data.get('dose', 'Unknown')}g
Water Temperature: {recipe_data.get('water', {}).get('temperature', 'Unknown')}°C
Water Amount: {recipe_data.get('water', {}).get('amount', 'Unknown')}ml
Brew Time: {recipe_data.get('brew_time', 'Unknown')} seconds
Method: {' '.join(recipe_data.get('method', []))}
"""
def _build_processing_index(self):
"""Build index for processing method lookups"""
index = {}
for i, recipe in enumerate(self.recipes_db):
processing = recipe.get('coffee', {}).get('processing', '')
if processing:
if processing not in index:
index[processing.lower()] = []
index[processing.lower()].append(i)
return index
def _build_origin_index(self):
"""Build index for origin lookups"""
index = {}
for i, recipe in enumerate(self.recipes_db):
origin = recipe.get('coffee', {}).get('origin', '')
if origin:
if origin not in index:
index[origin.lower()] = []
index[origin.lower()].append(i)
return index
def _build_country_index(self):
"""Build index for country lookups"""
index = {}
for i, recipe in enumerate(self.recipes_db):
country = recipe.get('coffee', {}).get('country', '')
if country:
if country not in index:
index[country.lower()] = []
index[country.lower()].append(i)
return index
def retrieve_similar_recipes(self, coffee_attributes, k=5, weights=None):
"""Retrieve similar recipes with boosting for exact matches"""
if weights is None:
weights = {'attributes': 0.7, 'method': 0.1, 'recipe': 0.2}
# Get query about coffee characteristics
query = f"""
Origin: {coffee_attributes.get('origin', 'Unknown')}
Country: {coffee_attributes.get('country', 'Unknown')}
Processing: {coffee_attributes.get('processing', 'Unknown')}
"""
# Calculate similarity for coffee attributes
query_attribute_embedding = self.embedding_model.encode([query])[0]
attribute_similarities = cosine_similarity(
[query_attribute_embedding],
self.coffee_embeddings
)[0]
# Calculate similarity for overall recipe
query_recipe_embedding = self.embedding_model.encode(
[self._query_to_full_text(coffee_attributes)]
)[0]
recipe_similarities = cosine_similarity(
[query_recipe_embedding],
self.recipe_embeddings
)[0]
# Get method preference if provided
method_similarities = np.zeros(len(self.recipes_db))
if coffee_attributes.get('preferred_method'):
query_method_embedding = self.embedding_model.encode(
[f"Position: {coffee_attributes.get('preferred_position', '')}. "
f"Method: {coffee_attributes.get('preferred_method', '')}"]
)[0]
method_similarities = cosine_similarity(
[query_method_embedding],
self.method_embeddings
)[0]
# Combine scores with weights
combined_scores = (
weights['attributes'] * attribute_similarities +
weights['method'] * method_similarities +
weights['recipe'] * recipe_similarities
)
# Apply exact match boosts
query_processing = coffee_attributes.get('processing', '').lower()
query_origin = coffee_attributes.get('origin', '').lower()
query_country = coffee_attributes.get('country', '').lower()
origin_matches = []
if query_origin and query_origin in self.origin_index:
origin_matches.extend(self.origin_index[query_origin])
elif query_country and query_country in self.country_index:
origin_matches.extend(self.country_index[query_country])
# Apply 50% boost for exact processing method match
if query_processing and query_processing in self.processing_index:
for idx in self.processing_index[query_processing]:
combined_scores[idx] *= 1.5
# Apply 30% boost for exact origin match
if query_origin and query_origin in self.origin_index:
for idx in self.origin_index[query_origin]:
combined_scores[idx] *= 2.5
# Apply 20% boost for exact country match if origin not matched
if not query_origin and query_country and query_country in self.country_index:
for idx in self.country_index[query_country]:
combined_scores[idx] *= 1.2
# Apply WAC compliance boost: favor recipes with doses <= 18g
for idx, recipe in enumerate(self.recipes_db):
recipe_origin = recipe.get('coffee', {}).get('origin', '')
recipe_processing = recipe.get('coffee', {}).get('processing', '')
recipe_dose = recipe.get('recipe', {}).get('dose', 0)
if 0 < recipe_dose <= self.wac_rules["max_coffee_dose"]:
combined_scores[idx] *= 1.05 # 5% boost for WAC-compliant doses
if recipe_origin and recipe_processing:
if (recipe_origin == query_origin and
recipe_processing == query_processing):
combined_scores[idx] *= 3.0 # Substantial boost for matching both
# Get top k indices
top_indices = combined_scores.argsort()[-k:][::-1]
similar_recipes = []
for idx in top_indices:
similar_recipes.append({
'recipe': self.recipes_db[idx],
'similarity': combined_scores[idx]
})
return similar_recipes
def _query_to_full_text(self, coffee_attributes):
"""Convert query attributes to text for full embedding comparison"""
return f"""
Looking for a recipe for coffee with:
Origin: {coffee_attributes.get('origin', 'Unknown')}
Country: {coffee_attributes.get('country', 'Unknown')}
Region: {coffee_attributes.get('region', 'Unknown')}
Processing: {coffee_attributes.get('processing', 'Unknown')}
Variety: {coffee_attributes.get('variety', 'Unknown')}
Preferred brewing position: {coffee_attributes.get('preferred_position', 'any')}
"""
def calculate_confidence(self, similar_recipes, coffee_attributes):
"""Calculate confidence with small dataset optimizations"""
if not similar_recipes:
return {"overall": 0.0, "parameters": {}, "reason": "No similar recipes found"}
# 1. Max similarity value instead of average (better for smaller datasets)
max_similarity = max([recipe['similarity'] for recipe in similar_recipes[:3]])
# 2. Processing method exact match (critical with small datasets)
processing_match = 0.0
query_processing = coffee_attributes.get('processing', '').lower()
if query_processing:
for recipe_data in similar_recipes[:3]:
recipe = recipe_data['recipe']
if processing := recipe.get('coffee', {}).get('processing', ''):
if processing and processing.lower() == query_processing:
processing_match += 0.25 # Up to 0.75 for 3 matches
# 3. Placement weighting (championships matter more in small datasets)
placement_boost = 0.0
for recipe_data in similar_recipes[:3]:
recipe = recipe_data['recipe']
if recipe.get('placement') == '1st':
placement_boost += 0.15
elif recipe.get('placement') == '2nd':
placement_boost += 0.10
elif recipe.get('placement') == '3rd':
placement_boost += 0.05
# 4. Parameter consistency (use normalized range instead of variance)
parameter_confidence = {}
# Calculate parameter consistency for key attributes
for param_name, extractor in [
('dose', lambda r: r.get('recipe', {}).get('dose')),
('temperature', lambda r: r.get('recipe', {}).get('water', {}).get('temperature')),
('brew_time', lambda r: r.get('recipe', {}).get('brew_time'))
]:
values = [extractor(r['recipe']) for r in similar_recipes[:3] if extractor(r['recipe'])]
if values:
# Use range normalization instead of standard deviation
value_range = max(values) - min(values)
if max(values) == 0:
range_confidence = 0.0
else:
range_confidence = 1.0 - min(1.0, value_range / max(values))
parameter_confidence[param_name] = {
'confidence': range_confidence,
'value': sum(values) / len(values),
'min': min(values),
'max': max(values),
'range': value_range
}
# Calculate position confidence
positions = [r['recipe'].get('recipe', {}).get('position')
for r in similar_recipes[:3]
if r['recipe'].get('recipe', {}).get('position')]
if positions:
most_common = Counter(positions).most_common(1)[0]
position_confidence = most_common[1] / len(positions)
parameter_confidence['position'] = {
'confidence': position_confidence,
'value': most_common[0],
'count': f"{most_common[1]}/{len(positions)}"
}
# Calculate overall confidence (weighted more toward processing match)
overall_confidence = (
0.3 * max_similarity +
0.4 * processing_match + # Higher weight for processing match
0.2 * placement_boost +
0.1 * np.mean([conf.get('confidence', 0) for conf in parameter_confidence.values()])
)
return {
"overall": min(1.0, overall_confidence),
"similarity": max_similarity,
"processing_match": processing_match,
"placement_boost": placement_boost,
"parameters": parameter_confidence
}
def synthesize_recipe(self, similar_recipes, coffee_attributes, user_preferences=None):
"""Generate WAC-compliant recipe with high emphasis on championship recipes"""
recipe = {
"position": "inverted",
"dose": 18.0, # Enforce WAC maximum
"water": {},
"grind": {},
"filter": {},
"brewer": "AeroPress Original" # Specify WAC-compliant brewer
}
# With only 51 recipes, we should heavily favor the top matching recipe
top_recipe = similar_recipes[0]['recipe'].get('recipe', {})
# 1. Direct parameter copying with WAC compliance enforcement
recipe['position'] = top_recipe.get('position', 'inverted')
if recipe['position'] not in self.wac_rules["allowed_positions"]:
recipe['position'] = 'inverted' # Default to inverted if invalid
# 2. For dose, use the most similar recipe's value but cap at 18g
original_dose = top_recipe.get('dose', 18.0)
recipe['dose'] = min(original_dose, self.wac_rules["max_coffee_dose"])
# 3. For temperature, adjust based on processing method
base_temp = top_recipe.get('water', {}).get('temperature', 90)
if coffee_attributes.get('processing', '').lower() == 'washed':
# Slight increase for washed coffee to highlight acidity
recipe['water']['temperature'] = min(94, base_temp + 2)
elif coffee_attributes.get('processing', '').lower() == 'natural':
# Slight decrease for naturals to avoid over-extraction
recipe['water']['temperature'] = max(85, base_temp - 2)
else:
recipe['water']['temperature'] = base_temp
# 4. Grind settings - mostly use top recipe's setting
recipe['grind'] = top_recipe.get('grind', {'grinder': 'Comandante', 'setting': '25 clicks'})
# 5. Water amount - ensure minimum 150g output for WAC rules
ratio = 13 # Default ratio
if user_preferences and user_preferences.get('strength') == 'strong':
ratio = 11
elif user_preferences and user_preferences.get('strength') == 'light':
ratio = 15
water_amount = recipe['dose'] * ratio
# Ensure we meet minimum output requirement, use bypass if necessary
recipe['water']['amount'] = water_amount
# Add bypass water if needed to meet minimum output
if water_amount < self.wac_rules["min_brew_output"]:
recipe['bypass'] = {
'amount': max(0, self.wac_rules["min_brew_output"] - water_amount),
'temperature': 'room temperature'
}
# 6. Filter - copy from top recipe
recipe['filter'] = top_recipe.get('filter', {
'type': 'Paper',
'count': 1,
'preparation': 'rinsed with hot water'
})
# 7. Brew time - copy from top recipe or calculate based on method
# Ensure it's under the 5-minute limit
recipe['brew_time'] = min(top_recipe.get('brew_time', 90), self.wac_rules["max_time"])
# 8. Method - take steps from top recipe but adjust for coffee attributes and WAC rules
recipe["method"] = self._generate_method_steps_with_llm(recipe, coffee_attributes, similar_recipes[:3])
# 9. Total time - maximum 5 minutes for WAC rules
recipe['total_time'] = min(recipe['brew_time'] + 30, self.wac_rules["max_time"]) # Add 30s for setup
return recipe
def _generate_method_steps_with_llm(self, recipe_params, coffee_attributes, similar_recipes):
"""Use LLM to generate coherent method steps based on recipe parameters"""
# Create a detailed prompt for the LLM
prompt = f"""Generate a logical, step-by-step AeroPress brewing method for a WAC-compliant recipe with the following parameters:
Recipe Parameters:
- Position: {recipe_params['position']}
- Dose: {recipe_params['dose']}g coffee (WAC maximum: 18g)
- Water Temperature: {recipe_params['water']['temperature']}°C
- Total Water Amount: {recipe_params['water']['amount']}g
- Brew Time: {recipe_params['brew_time']} seconds
- Grinder: {recipe_params.get('grind', {}).get('grinder', 'standard')}
- Grind Setting: {recipe_params.get('grind', {}).get('setting', 'medium')}
- Filter: {recipe_params.get('filter', {}).get('type', 'Paper')} ({recipe_params.get('filter', {}).get('count', 1)})
Similar Recipes:
"""
# Add information about similar recipes for the LLM to draw inspiration from
for i, similar in enumerate(similar_recipes):
recipe_data = similar['recipe']
method_steps = recipe_data.get('recipe', {}).get('method', [])
prompt += f"\nRecipe {i + 1} Method Steps:\n"
for j, step in enumerate(method_steps):
prompt += f"{j + 1}. {step}\n"
# Add specific instructions for logical step generation
prompt += f"""
Coffee Type: {coffee_attributes.get('processing', 'Unknown')} {coffee_attributes.get('origin', 'Unknown')}
Please generate 6-8 logical, sequential steps for brewing with this recipe. The steps should:
1. Include all necessary actions (heating water, adding coffee, blooming if appropriate, etc.)
2. Distribute the water logically (if using bloom, specify bloom water amount and remaining water)
3. Include specific timings that add up to the total brew time ({recipe_params['brew_time']} seconds)
4. Ensure the steps follow a logical sequence for the {recipe_params['position']} position
5. Be clear and concise
6. Be compliant with WAC rules (5-minute time limit, only coffee and water as ingredients)
Return ONLY the numbered steps, one per line.
"""
try:
# Make the LLM call
response = self.llm_client.chat.completions.create(
model=self.model_name,
messages=[
{"role": "system",
"content": "You are an expert AeroPress barista with deep knowledge of competition recipes."},
{"role": "user", "content": prompt}
],
temperature=0.4, # Lower temperature for more consistent results
max_tokens=500
)
# Process the response
method_text = response.choices[0].message.content.strip()
# Extract numbered steps
method_steps = []
for line in method_text.split('\n'):
# Remove leading numbers and periods
cleaned_line = re.sub(r'^\d+\.\s*', '', line.strip())
if cleaned_line:
method_steps.append(cleaned_line)
# Add WAC compliance reminder if not already included
if not any('5-minute' in step or 'time limit' in step for step in method_steps):
method_steps.append("Complete all steps within the 5-minute competition time limit.")
return method_steps
except Exception as e:
# Fallback to basic method if LLM call fails
return self._generate_default_method(recipe_params, coffee_attributes)
def _adapt_method_steps(self, original_steps, recipe_params, coffee_attributes):
"""Adapt method steps to match the new recipe parameters and WAC rules"""
if not original_steps:
return self._generate_default_method(recipe_params, coffee_attributes)
# Copy steps but update any numbers/parameters
adapted_steps = []
for step in original_steps:
# Replace dose mentions
step = re.sub(r'(\d+(?:\.\d+)?)\s*g(?:rams)? (?:of )?coffee',
f"{recipe_params['dose']}g coffee", step)
# Replace temperature mentions
step = re.sub(r'(\d+(?:\.\d+)?)\s*°C',
f"{recipe_params['water']['temperature']}°C", step)
# Replace water amount mentions
step = re.sub(r'(\d+(?:\.\d+)?)\s*(?:g|ml|grams|milliliters) (?:of )?water',
f"{recipe_params['water']['amount']}g water", step)
adapted_steps.append(step)
# Add bypass water step if needed for WAC compliance
if 'bypass' in recipe_params and recipe_params['bypass']['amount'] > 0:
adapted_steps.append(
f"Add {recipe_params['bypass']['amount']}g of {recipe_params['bypass']['temperature']} "
f"water to reach the required {self.wac_rules['min_brew_output']}g output."
)
# Ensure total steps don't exceed 5-minute limit
if len(adapted_steps) > 10: # If too many steps, might exceed time limit
adapted_steps = adapted_steps[:8]
if 'bypass' in recipe_params and recipe_params['bypass']['amount'] > 0:
adapted_steps.append(
f"Add {recipe_params['bypass']['amount']}g of {recipe_params['bypass']['temperature']} water."
)
# Add timing note for WAC compliance
adapted_steps.append(f"Complete all steps within the 5-minute competition time limit.")
return adapted_steps
def _generate_default_method(self, recipe_params, coffee_attributes):
"""Generate default WAC-compliant method steps if original steps not available"""
if recipe_params['position'] == 'inverted':
steps = [
f"Place the AeroPress in inverted position and add {recipe_params['dose']}g coffee",
f"Add {recipe_params['dose'] * 3}g water at {recipe_params['water']['temperature']}°C and stir gently",
f"Wait 30 seconds for blooming",
f"Add remaining water to reach {recipe_params['water']['amount']}g total",
f"Attach filter cap with rinsed filter",
f"At 1:00, flip AeroPress and press gently for 30 seconds",
]
else:
steps = [
f"Place filter in cap, rinse with hot water, and attach to AeroPress",
f"Add {recipe_params['dose']}g coffee to AeroPress",
f"Add {recipe_params['dose'] * 2}g water at {recipe_params['water']['temperature']}°C",
f"Stir gently 5 times and wait 30 seconds",
f"Add remaining water to reach {recipe_params['water']['amount']}g total",
f"Insert plunger, wait until 1:00, then press gently for 30 seconds",
]
# Add bypass water step if needed for WAC compliance
if 'bypass' in recipe_params and recipe_params['bypass']['amount'] > 0:
steps.append(
f"Add {recipe_params['bypass']['amount']}g of {recipe_params['bypass']['temperature']} "
f"water to reach the required {self.wac_rules['min_brew_output']}g output"
)
steps.append(
f"Enjoy your {coffee_attributes.get('origin', '')} {coffee_attributes.get('processing', '')} coffee!")
steps.append(f"Complete all steps within the 5-minute competition time limit.")
return steps
def generate_explanation(self, recipe, similar_recipes, confidence_data, coffee_attributes, suggested_attributes):
"""Generate detailed explanation using LLM"""
prompt = self._create_explanation_prompt(recipe, similar_recipes,
confidence_data, coffee_attributes, suggested_attributes)
try:
response = self.llm_client.chat.completions.create(
model=self.model_name,
messages=[
{"role": "system", "content": self._get_system_prompt()},
{"role": "user", "content": prompt}
],
temperature=0.7,
max_tokens=1200
)
return response.choices[0].message.content
except Exception as e:
# Fallback explanation if API fails
return self._generate_fallback_explanation(
recipe, similar_recipes, confidence_data, coffee_attributes)
def _create_explanation_prompt(self, recipe, similar_recipes, confidence_data, coffee_attributes,
suggested_attributes=None):
"""Create detailed prompt for explanation generation with WAC rules emphasis, similarity insights, and confidence data"""
original_origin = coffee_attributes.get('origin', '')
original_processing = coffee_attributes.get('processing', '')
# Determine if we're using original or suggested attributes for clarity
using_origin = original_origin
using_processing = original_processing
# Build similarity explanations if applicable
similarity_text = ""
if suggested_attributes:
similarity_text = "\n\nSimilarity Insights:\n"
# Explain origin similarity
if 'origin' in suggested_attributes:
suggested_origin = suggested_attributes['origin']['term']
similarity_score = suggested_attributes['origin']['similarity']
using_origin = suggested_origin
similarity_text += f"- Original origin '{original_origin}' was matched to '{suggested_origin}' (similarity: {similarity_score:.2f})\n"
if 'similar_origins' in suggested_attributes:
similarity_text += " Other similar origins include: "
similarity_text += ", ".join([f"{o['term']} ({o['similarity']:.2f})"
for o in suggested_attributes['similar_origins']])
similarity_text += "\n"
# Explain processing similarity
if 'processing' in suggested_attributes:
suggested_processing = suggested_attributes['processing']['term']
similarity_score = suggested_attributes['processing']['similarity']
using_processing = suggested_processing
similarity_text += f"- Original processing '{original_processing}' was matched to '{suggested_processing}' (similarity: {similarity_score:.2f})\n"
if 'similar_processes' in suggested_attributes:
similarity_text += " Other similar processing methods include: "
similarity_text += ", ".join([f"{p['term']} ({p['similarity']:.2f})"
for p in suggested_attributes['similar_processes']])
similarity_text += "\n"
# Explain variety similarity if present
if 'variety' in suggested_attributes:
original_variety = coffee_attributes.get('variety', '')
suggested_variety = suggested_attributes['variety']['term']
similarity_score = suggested_attributes['variety']['similarity']
similarity_text += f"- Original variety '{original_variety}' was matched to '{suggested_variety}' (similarity: {similarity_score:.2f})\n"
if 'similar_varieties' in suggested_attributes:
similarity_text += " Other similar varieties include: "
similarity_text += ", ".join([f"{v['term']} ({v['similarity']:.2f})"
for v in suggested_attributes['similar_varieties']])
similarity_text += "\n"
# Build confidence data explanation
confidence_text = "\n\nConfidence Metrics:\n"
confidence_text += f"- Overall Confidence: {confidence_data['overall']:.2f}\n"
if 'similarity' in confidence_data:
confidence_text += f"- Similarity Score: {confidence_data['similarity']:.2f}\n"
if 'processing_match' in confidence_data:
confidence_text += f"- Processing Match Confidence: {confidence_data['processing_match']:.2f}\n"
if 'placement_boost' in confidence_data:
confidence_text += f"- Championship Placement Boost: {confidence_data['placement_boost']:.2f}\n"
# Add parameter-specific confidence information
if 'parameters' in confidence_data:
confidence_text += "- Parameter-specific confidence:\n"
for param, param_data in confidence_data['parameters'].items():
if 'confidence' in param_data:
confidence_text += f" * {param.capitalize()}: {param_data['confidence']:.2f}"
if 'value' in param_data: