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Mer struktur och först försök med centralt definierad loggning.

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Joakim Persson
2024-07-21 23:16:23 +02:00
parent 81f2352291
commit b3136a9bcd
1 changed files with 30 additions and 25 deletions
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smartassist/src/startservices.py
+30 -25
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@@ -3,31 +3,36 @@ import subprocess
import os
import yaml
import json
from backend import run_flask
# from backend import run_flask
import socket
import urllib.parse
import logging
import utils
from utils import set_local_logger, run_flask
global log_level
# global log_level
logger = logging.getLogger(__name__)
# logger = logging.getLogger(__name__)
def set_local_logger(log_instance):
"""
Configure logging based on the global variable log_level
Logging is controlled by integer values, where DEBUG < INFO < WARNING < ERROR < CRITICAL.
To turn off logging completely, set numeric_log_level to at least CRITICAL + 1.
"""
global log_level
numeric_log_level = getattr(logging, log_level, None)
if not isinstance(numeric_log_level, int):
raise ValueError('Invalid log level: %s' % log_level)
# def set_local_logger(log_instance):
# """
# Configure logging based on the global variable log_level
# Logging is controlled by integer values, where DEBUG < INFO < WARNING < ERROR < CRITICAL.
# To turn off logging completely, set numeric_log_level to at least CRITICAL + 1.
# """
# global log_level
# numeric_log_level = getattr(logging, log_level, None)
# if not isinstance(numeric_log_level, int):
# raise ValueError('Invalid log level: %s' % log_level)
logging.basicConfig(level=numeric_log_level) # Set the root logger level to the configured level
log_instance.info('Log level set to {}'.format(log_level)) # Example usage of the logger
# logging.basicConfig(level=numeric_log_level) # Set the root logger level to the configured level
# log_instance.info('Log level set to {}'.format(log_level)) # Example usage of the logger
def configure():
"""
Reads YAML configruation file into dictionary, parse it and fill all referenceed
environment variables with their values.
"""
##################
# Read YAML config
##################
@@ -56,14 +61,14 @@ def configure():
# Extract global logging level
##################
# The log_level variable will be used by the logger module to set the log level
global log_level
global log_level # REALLY NECESSARY TO DEFINE THIS GLOBAL AGAIN???
log_level = 'INFO' # Default value if not specified in the config file
if isinstance(updated_config.get('logging'), dict): # Look for 'logging' key in config file
logging_config = updated_config['logging']
if isinstance(logging_config.get('level'), str): # Set to value of the yaml file if specified
log_level = logging_config['level']
set_local_logger(logger) # Set log level for logger based on log_level
set_local_logger(utils.logger) # Set log level for logger based on log_level
return updated_config
@@ -78,16 +83,16 @@ def start_frontend(config):
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
try:
s.bind((hostname, port))
logger.info("No server is running on %s -— starting one.", parsed_url.netloc)
utils.logger.info("No server is running on %s -— starting one.", parsed_url.netloc)
# Start frontend (web server) as a separate process
subprocess.Popen(["python", "-m", "http.server", str(port)])
except socket.error as e:
if e.errno == 48:
logger.error("A server is already running on %s -— will use this.", parsed_url.netloc)
utils.logger.error("A server is already running on %s -— will use this.", parsed_url.netloc)
else:
raise # Unexpected error, re-raise it so we can see the traceback
except Exception as e:
logger.error("Failed to start frontend: %s", str(e)) # Corresponds to print(f"Failed to start frontend: {e}")
utils.logger.error("Failed to start frontend: %s", str(e)) # Corresponds to print(f"Failed to start frontend: {e}")
@@ -95,17 +100,17 @@ def start_backend(config):
parsed_url = urllib.parse.urlparse(config['backend']['url'])
# hostname = parsed_url.netloc.split(':')[0] # Split by ':' and take the first part, i.e., 'localhost', IP, or domain name
port = parsed_url.port # This is the server port
logger.debug('Backend parsed url set to {}'.format(parsed_url))
logger.debug('Backend port set to {}'.format(port))
utils.logger.debug('Backend parsed url set to {}'.format(parsed_url))
utils.logger.debug('Backend port set to {}'.format(port))
try:
run_flask(fport = port)
except Exception as e:
logger.error("Failed to start backend: %s", str(e)) # Corresponds to print(f"Failed to start backend: {e}")
utils.logger.error("Failed to start backend: %s", str(e)) # Corresponds to print(f"Failed to start backend: {e}")
if __name__ == '__main__':
conf = configure() # Read config from file and set up config dict
logger.debug('conf dictionary set to {}'.format(json.dumps(conf, indent=4)))
utils.logger.debug('conf dictionary set to {}'.format(json.dumps(conf, indent=4)))
start_frontend(config=conf)
start_backend(config=conf)