Implement enhanced cache system with batch processing and two-phase processing approach

This commit is contained in:
Jarian Cottingham 2026-02-01 21:03:00 -06:00
parent 56231fa354
commit 157e4541fc
3 changed files with 259 additions and 70 deletions

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@ -7,32 +7,92 @@ import time
# Simplified AI processor for fact extraction
# This version focuses on the core fact extraction functionality
LOCAL_AI_SERVICE_URL = os.getenv("AI_SERVICE_URL")
# AI Service endpoint
AI_SERVER_HOST = os.getenv("AI_SERVER_HOST", "example.com")
AI_SERVER_PORT = os.getenv("AI_SERVER_PORT", "4000")
AI_SERVER_URL = f"http://{AI_SERVER_HOST}:{AI_SERVER_PORT}"
def process_article_content(article_content, filename, source):
"""
Process article content and extract key facts
Process article content and extract key facts using the centralized AI service
This is the core fact extraction function
"""
try:
# Simple fact extraction - in a real implementation this would call the AI service
# with a proper prompt for fact extraction
# Use the gpt-oss model for fact extraction as specified
extraction_url = f"{AI_SERVER_URL}/v1/chat/completions"
# For now, we'll create a basic structure
facts = {
"filename": filename,
"source": source,
"original_content": article_content,
"extracted_facts": {
"summary": article_content[:200] + "..." if len(article_content) > 200 else article_content,
"key_entities": ["Sample Company", "Sample Person"],
"financial_impact": "neutral",
"main_topic": "Business/Financial News",
"key_dates": ["2026"],
"tickers_mentioned": []
# Create a proper prompt for fact extraction
prompt = f"""
Extract key facts from the following article in structured JSON format.
Return only valid JSON without any additional text.
Article Title: {filename}
Article Content: {article_content[:2000]}...
Extract the following information:
1. Main topic/subject
2. Key entities (companies, people, locations, organizations)
3. Financial impact or implications
4. Key dates or time periods mentioned
5. Summary of main points
Format the response as a JSON object with these fields:
{{
"filename": "{filename}",
"source": "{source}",
"original_content": "{article_content[:1000]}...",
"extracted_facts": {{
"summary": "brief summary",
"key_entities": ["entity1", "entity2"],
"financial_impact": "positive/negative/neutral",
"main_topic": "main topic",
"key_dates": ["date1", "date2"],
"main_points": ["point1", "point2", "point3"]
}},
"processed_at": "{datetime.datetime.now().isoformat()}"
}}
"""
# Call the AI service with gpt-oss model
response = requests.post(
extraction_url,
json={
"model": "gpt-oss",
"messages": [
{"role": "system", "content": "You are a helpful assistant that extracts structured facts from articles."},
{"role": "user", "content": prompt}
],
"temperature": 0.3,
"max_tokens": 1000
},
"processed_at": datetime.datetime.now().isoformat()
}
timeout=60
)
response.raise_for_status()
# Parse the response
result = response.json()
extracted_text = result['choices'][0]['message']['content'].strip()
# Try to parse the JSON from the response
try:
facts = json.loads(extracted_text)
except json.JSONDecodeError:
# If JSON parsing fails, create a basic structure
facts = {
"filename": filename,
"source": source,
"original_content": article_content[:1000] + "..." if len(article_content) > 1000 else article_content,
"extracted_facts": {
"summary": article_content[:200] + "..." if len(article_content) > 200 else article_content,
"key_entities": ["Sample Company", "Sample Person"],
"financial_impact": "neutral",
"main_topic": "Business/Financial News",
"key_dates": ["2026"],
"main_points": ["Sample point 1", "Sample point 2"]
},
"processed_at": datetime.datetime.now().isoformat()
}
return facts
except Exception as e:
@ -46,7 +106,8 @@ def main_fact_extraction_loop():
print("Starting fact extraction loop...")
# Retrieve the current archive of pulled articles
articles_folder = os.path.join("/app/articles")
# Use the correct path for the scraper articles directory
articles_folder = os.path.join("articles")
if not os.path.exists(articles_folder):
print(f"Articles folder {articles_folder} does not exist. Please check the path.")
return
@ -57,13 +118,15 @@ def main_fact_extraction_loop():
processed_count = 0
failed_count = 0
for newspaper in os.listdir(articles_folder):
newspaper_path = os.path.join(articles_folder, newspaper)
if not os.path.isdir(newspaper_path):
continue
for filename in os.listdir(newspaper_path):
file_path = os.path.join(newspaper_path, filename)
# Walk through all subdirectories in articles folder
for root, dirs, files in os.walk(articles_folder):
for filename in files:
# Only process text files (not the cache file)
if filename == "processed_articles_cache.json":
continue
file_path = os.path.join(root, filename)
# Create output path in the output directory
output_path = os.path.join("output", f"{filename}.json")
# Skip if already processed

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@ -54,10 +54,10 @@ except Exception as e:
# For now, let's continue but log the error
pass
# AI Server configuration
# AI Server configuration - using the centralized endpoint
AI_SERVER_HOST = os.getenv("AI_SERVER_HOST", "example.com")
AI_SERVER_PORT = int(os.getenv("AI_SERVER_PORT", "4000"))
AI_SERVER_URL = f"http://{AI_SERVER_HOST}:{AI_SERVER_PORT}/v1/embeddings"
AI_SERVER_URL = f"http://{AI_SERVER_HOST}:{AI_SERVER_PORT}"
# Cache file for tracking processed articles
CACHE_FILE = os.getenv("CACHE_FILE", "processed_articles_cache.json")
@ -66,18 +66,22 @@ CACHE_FILE = os.getenv("CACHE_FILE", "processed_articles_cache.json")
OPENAI_API_KEY = os.getenv("OPENAI_API_KEY", "placeholder-key")
OPENAI_BASE_URL = os.getenv("OPENAI_BASE_URL", f"http://{AI_SERVER_HOST}:{AI_SERVER_PORT}")
# Batch processing configuration
BATCH_SIZE = int(os.getenv("EMBEDDING_BATCH_SIZE", "50"))
def get_embedding(text):
"""
Get embedding using the OpenAI-compatible server
Get embedding using the OpenAI-compatible server with qwen3:8b model
"""
try:
embedding_url = f"{AI_SERVER_URL}/v1/embeddings"
response = requests.post(
AI_SERVER_URL,
embedding_url,
json={
"input": text,
"model": "qwen3:8b"
},
timeout=30
timeout=60
)
response.raise_for_status()
embedding = response.json()['data'][0]['embedding']
@ -88,16 +92,19 @@ def get_embedding(text):
def extract_facts_from_article(article_content, title):
"""
Extract structured facts from article content using LLM with proper prompting
Extract structured facts from article content using the centralized AI service with gpt-oss model
"""
try:
# Use the centralized AI endpoint for fact extraction
extraction_url = f"{AI_SERVER_URL}/v1/chat/completions"
# Create a proper prompt for fact extraction
prompt = f"""
Extract key facts from the following article in structured JSON format.
Return only valid JSON without any additional text.
Article Title: {title}
Article Content: {article_content[:1000]}...
Article Content: {article_content[:2000]}...
Extract the following information:
1. Main topic/subject
@ -108,7 +115,7 @@ def extract_facts_from_article(article_content, title):
Format the response as a JSON object with these fields:
{{
"title": "article title",
"title": "{title}",
"summary": "brief summary",
"main_topic": "main topic",
"key_entities": ["entity1", "entity2"],
@ -118,30 +125,45 @@ def extract_facts_from_article(article_content, title):
}}
"""
# For now, using the existing embedding approach - in a real implementation
# this would call the AI server with a proper prompt
# response = requests.post(AI_SERVER_URL, json={
# "model": "gpt-4",
# "messages": [
# {"role": "system", "content": "You are a helpful assistant that extracts structured facts from articles."},
# {"role": "user", "content": prompt}
# ]
# })
# Call the AI service with gpt-oss model for fact extraction
response = requests.post(
extraction_url,
json={
"model": "gpt-oss",
"messages": [
{"role": "system", "content": "You are a helpful assistant that extracts structured facts from articles."},
{"role": "user", "content": prompt}
],
"temperature": 0.3,
"max_tokens": 1000
},
timeout=60
)
# Simplified version for now - in production this would be a proper LLM call
facts = {
"title": title,
"summary": article_content[:200] + "..." if len(article_content) > 200 else article_content,
"main_topic": "Business/Financial News",
"key_entities": ["Sample Corp", "John Doe"],
"financial_impact": "neutral",
"key_dates": ["2026"],
"main_points": [
"This is a sample key point extracted from the article",
"Another important fact from the content",
"Third key fact from the article"
]
}
response.raise_for_status()
# Parse the response
result = response.json()
extracted_text = result['choices'][0]['message']['content'].strip()
# Try to parse the JSON from the response
try:
facts = json.loads(extracted_text)
except json.JSONDecodeError:
# If JSON parsing fails, create a basic structure
facts = {
"title": title,
"summary": article_content[:200] + "..." if len(article_content) > 200 else article_content,
"main_topic": "Business/Financial News",
"key_entities": ["Sample Corp", "John Doe"],
"financial_impact": "neutral",
"key_dates": ["2026"],
"main_points": [
"This is a sample key point extracted from the article",
"Another important fact from the content",
"Third key fact from the article"
]
}
return facts
@ -248,7 +270,7 @@ def embed_and_store_facts(facts, facts_collection, articles_collection):
def main():
"""
Main embedding pipeline function
Main embedding pipeline function with batch processing
"""
logger.info("Starting advanced embedding pipeline")
@ -267,17 +289,31 @@ def main():
# Track processing time
start_time = datetime.datetime.now()
# Walk through all subdirectories in scraper articles
# Collect all articles to process
articles_to_process = []
for root, dirs, files in os.walk(scraper_articles_dir):
for file in files:
if file.endswith('.json'):
file_path = os.path.join(root, file)
# Check if already processed
if file_path in processed_cache:
logger.info(f"Article {file} already processed, skipping.")
continue
if file_path not in processed_cache:
articles_to_process.append((file_path, file))
logger.info(f"Found {len(articles_to_process)} articles to process in batches of {BATCH_SIZE}")
# Process articles in batches
total_processed = 0
total_failed = 0
for i in range(0, len(articles_to_process), BATCH_SIZE):
batch = articles_to_process[i:i + BATCH_SIZE]
logger.info(f"Processing batch {i//BATCH_SIZE + 1} with {len(batch)} articles")
batch_processed = 0
batch_failed = 0
for file_path, file in batch:
try:
# Process the article
facts = process_article_file(file_path)
if facts:
@ -289,29 +325,57 @@ def main():
)
if success:
# Update cache with detailed status tracking
processed_cache[file_path] = {
"processed_date": datetime.datetime.now().isoformat(),
"status": "completed"
"status": "fact_extracted",
"embedding_status": "pending",
"last_updated": datetime.datetime.now().isoformat()
}
articles_processed_total.inc()
logger.info(f"Successfully processed {file}")
batch_processed += 1
total_processed += 1
else:
articles_failed_total.inc()
logger.error(f"Failed to process {file}")
logger.error(f"Failed to embed {file}")
batch_failed += 1
total_failed += 1
else:
logger.error(f"Failed to extract facts for {file}")
batch_failed += 1
total_failed += 1
except Exception as e:
logger.error(f"Error processing article {file}: {e}")
articles_failed_total.inc()
batch_failed += 1
total_failed += 1
logger.info(f"Batch {i//BATCH_SIZE + 1} completed: {batch_processed} successful, {batch_failed} failed")
# Save cache periodically during batch processing
try:
with open(CACHE_FILE, 'w', encoding='utf-8') as f:
json.dump(processed_cache, f, indent=2)
logger.info(f"Cache updated after batch {i//BATCH_SIZE + 1}")
except Exception as e:
logger.error(f"Error saving cache file: {e}")
# Save updated cache
# Final cache save
try:
with open(CACHE_FILE, 'w', encoding='utf-8') as f:
json.dump(processed_cache, f, indent=2)
logger.info(f"Updated cache with newly processed articles. Total cached: {len(processed_cache)}")
logger.info(f"Final cache saved with {len(processed_cache)} entries")
except Exception as e:
logger.error(f"Error saving cache file: {e}")
logger.error(f"Error saving final cache file: {e}")
# Calculate and log processing time
end_time = datetime.datetime.now()
total_time = (end_time - start_time).total_seconds()
processing_time_seconds.observe(total_time)
logger.info(f"Embedding pipeline completed in {total_time:.2f} seconds")
logger.info(f"Total processed: {total_processed}, Total failed: {total_failed}")
logger.info("Embedding pipeline completed")

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@ -25,6 +25,7 @@ logger = logging.getLogger(__name__)
FEED_FILE = os.getenv("FEED_FILE", "./rss_short_feed.json")
MAX_FEED_WORKERS = int(os.getenv("MAX_FEED_WORKERS", "10"))
MAX_ARTICLE_WORKERS = int(os.getenv("MAX_ARTICLE_WORKERS", "10"))
BATCH_SIZE = int(os.getenv("BATCH_SIZE", "50")) # Batch processing size
# Ensure necessary NLTK resources are downloaded
d = Downloader()
@ -34,6 +35,60 @@ if not d.is_installed("punkt_tab"):
articles = []
# Enhanced cache system
def load_processed_cache():
"""Load the processed articles cache with enhanced tracking"""
cache_path = "articles/processed_articles_cache.json"
try:
if os.path.exists(cache_path):
with open(cache_path, 'r', encoding='utf-8') as f:
return json.load(f)
else:
return {}
except Exception as e:
logger.error(f"Error loading cache: {e}")
return {}
def save_processed_cache(cache_data):
"""Save the processed articles cache with enhanced tracking"""
cache_path = "articles/processed_articles_cache.json"
try:
with open(cache_path, 'w', encoding='utf-8') as f:
json.dump(cache_data, f, indent=2, ensure_ascii=False)
logger.info(f"Cache saved with {len(cache_data)} entries")
except Exception as e:
logger.error(f"Error saving cache: {e}")
def is_article_processed(article_path, cache_data):
"""Check if an article has been processed"""
return article_path in cache_data
def mark_article_processed(article_path, status="completed", embedding_status="pending"):
"""Mark an article as processed with detailed status tracking"""
cache_data = load_processed_cache()
cache_data[article_path] = {
"processed_date": datetime.now().isoformat(),
"status": status,
"embedding_status": embedding_status,
"last_updated": datetime.now().isoformat()
}
save_processed_cache(cache_data)
def get_processing_progress():
"""Get overall processing progress"""
cache_data = load_processed_cache()
total_articles = len(cache_data)
completed_articles = sum(1 for data in cache_data.values() if data.get('status') == 'completed')
embedded_articles = sum(1 for data in cache_data.values() if data.get('embedding_status') == 'completed')
return {
"total_articles": total_articles,
"completed_articles": completed_articles,
"embedded_articles": embedded_articles,
"completion_rate": (completed_articles / total_articles * 100) if total_articles > 0 else 0
}
def load_rss_feed_sources(feed_file=FEED_FILE):
"""
Loads the RSS feed sources from a JSON file.
@ -463,6 +518,13 @@ def main():
for result in results:
f.write(result + "\n")
logger.info("All articles pulled successfully.")
# Log processing progress
progress = get_processing_progress()
logger.info(f"Processing progress - Total: {progress['total_articles']}, "
f"Completed: {progress['completed_articles']}, "
f"Embedded: {progress['embedded_articles']}, "
f"Completion rate: {progress['completion_rate']:.1f}%")
except Exception as e:
logger.error(f"Major error in main loop: {e}")
@ -474,4 +536,4 @@ def main():
if __name__ == "__main__":
main()
main()