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Request logging service for card generation requests
"""
import logging
import json
from datetime import datetime
from typing import Optional, Dict, Any, List
from pathlib import Path
# Create logs directory if it doesn't exist
logs_dir = Path("logs")
logs_dir.mkdir(exist_ok=True)
# Create a specific logger for request events
request_logger = logging.getLogger("request_events")
request_logger.setLevel(logging.INFO)
# Create file handler for request logs
request_log_file = logs_dir / "request_events.log"
file_handler = logging.FileHandler(request_log_file)
file_handler.setLevel(logging.INFO)
# Create console handler for important events
console_handler = logging.StreamHandler()
console_handler.setLevel(logging.INFO)
# Create formatter for structured logging
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(levelname)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S'
)
file_handler.setFormatter(formatter)
console_handler.setFormatter(formatter)
# Add handlers to logger
request_logger.addHandler(file_handler)
request_logger.addHandler(console_handler)
# Prevent propagation to root logger to avoid duplicate logs
request_logger.propagate = False
class RequestEventLogger:
"""Request event logging with structured file output"""
@staticmethod
def log_card_generation_request(
user_id: Optional[str],
username: str,
client_ip: str,
user_agent: str,
terms: List[str],
card_date: str,
lang: str,
card_design_id: Optional[int] = None,
symbol_ids: Optional[List[int]] = None,
request_id: Optional[str] = None
):
"""Log incoming card generation request"""
event_data = {
"event": "card_generation_request",
"request_id": request_id,
"user_id": user_id,
"username": username,
"client_ip": client_ip,
"user_agent": user_agent,
"terms": terms,
"card_date": card_date,
"lang": lang,
"card_design_id": card_design_id,
"symbol_ids": symbol_ids,
"timestamp": datetime.utcnow().isoformat()
}
request_logger.info(f"CARD_REQUEST: {json.dumps(event_data)}")
@staticmethod
def log_generator_prompt(
request_id: Optional[str],
prompt: str,
terms: List[str],
card_date: str,
constellation: str,
lang: str
):
"""Log the prompt sent to the generator"""
event_data = {
"event": "generator_prompt",
"request_id": request_id,
"prompt": prompt,
"terms": terms,
"card_date": card_date,
"constellation": constellation,
"lang": lang,
"timestamp": datetime.utcnow().isoformat()
}
request_logger.info(f"GENERATOR_PROMPT: {json.dumps(event_data)}")
@staticmethod
def log_llm_request(
request_id: Optional[str],
prompt: str,
generation_params: Dict[str, Any],
model_info: Dict[str, Any]
):
"""Log the request sent to the LLM via HF API"""
event_data = {
"event": "llm_request",
"request_id": request_id,
"prompt": prompt,
"generation_params": generation_params,
"model_info": model_info,
"timestamp": datetime.utcnow().isoformat()
}
request_logger.info(f"LLM_REQUEST: {json.dumps(event_data)}")
@staticmethod
def log_llm_response(
request_id: Optional[str],
generated_text: str,
attempt: int,
constraints_met: bool,
terms: List[str]
):
"""Log the response from the LLM"""
event_data = {
"event": "llm_response",
"request_id": request_id,
"generated_text": generated_text,
"attempt": attempt,
"constraints_met": constraints_met,
"terms": terms,
"timestamp": datetime.utcnow().isoformat()
}
request_logger.info(f"LLM_RESPONSE: {json.dumps(event_data)}")
@staticmethod
def log_card_renderer_params(
request_id: Optional[str],
card_design_id: int,
symbol_ids: List[int],
text: str,
base_images_path: str,
symbols_images_path: str,
font_path: str,
output_path: str
):
"""Log parameters sent to card renderer"""
event_data = {
"event": "card_renderer_params",
"request_id": request_id,
"card_design_id": card_design_id,
"symbol_ids": symbol_ids,
"text": text,
"base_images_path": str(base_images_path),
"symbols_images_path": str(symbols_images_path),
"font_path": str(font_path),
"output_path": str(output_path),
"timestamp": datetime.utcnow().isoformat()
}
request_logger.info(f"CARD_RENDERER_PARAMS: {json.dumps(event_data)}")
@staticmethod
def log_card_generation_result(
request_id: Optional[str],
success: bool,
card_id: Optional[str] = None,
card_file_id: Optional[str] = None,
qr_code_file_id: Optional[str] = None,
qr_content_url: Optional[str] = None,
error_message: Optional[str] = None
):
"""Log the final result of card generation"""
event_data = {
"event": "card_generation_result",
"request_id": request_id,
"success": success,
"card_id": card_id,
"card_file_id": card_file_id,
"qr_code_file_id": qr_code_file_id,
"qr_content_url": qr_content_url,
"error_message": error_message,
"timestamp": datetime.utcnow().isoformat()
}
if success:
request_logger.info(f"CARD_GENERATION_SUCCESS: {json.dumps(event_data)}")
else:
request_logger.error(f"CARD_GENERATION_FAILED: {json.dumps(event_data)}")
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