605 lines
22 KiB
Python
605 lines
22 KiB
Python
"""
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AUTHOR:
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Khushal P Soonderji
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DATE:
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Tuesday, 8th Oct., 2024
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OBJECTIVE:
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This is the central location for the Quart module.
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We define the app here, and import and attach all blueprints here.
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REFERENCES:
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N/A
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DOWNLOADS:
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N/A
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"""
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# *****************************************************************************************************************
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# ***** ****
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# *** IMPORT ***
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# ***** ****
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# *****************************************************************************************************************
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# To make sibling directories accessible for imports:
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import sys
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sys.path.append(".")
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sys.path.append("..")
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# For system level activities:
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import gc
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import os
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import psutil
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# For using Quart:
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from quart import Quart, request, current_app
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from quart_cors import cors
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# Common:
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from shared import constants
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# My utils:
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from utils_v2.string import json
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from utils_v2.api import async_quart
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from utils_v2.date_time import date_time
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from utils_v2.database.async_mongo_v2 import AsyncMongo, AsyncMongoStorage
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from utils_v2.database.async_mysql_v2 import AsyncMySQL
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from utils_v2.cache.async_redis_cache_v2 import AsyncRedisCache
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from utils_v2.serialization.json_serializer import JSONSerializer
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from utils_v2.api.async_quart import (
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set_api_version,
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read_input,
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log_request_to_mongo,
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should_not_be_under_maintenance,
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only_whitelisted_ips,
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limit_rate,
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validate_input,
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handle_cancelled_request
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)
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# GMail-related utils:
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from utils_v2.goog.gmail.gmail_client import AsyncGMailClient
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# Behaviour Models:
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from models.behaviour.mail.oauth_v3 import MailOAuthModel
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from models.behaviour.mail.sync_v2 import MailSyncModel
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from models.behaviour.mail.retrieve import MailRetrieveModel
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from models.behaviour.sms.auth import SMSAuthModel
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from models.behaviour.ai.llm.open_ai import LLMOpenAI
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# To make REST API calls:
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import httpx
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# For debugging:
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from icecream import IceCreamDebugger
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# All the blueprints:
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from api.blueprints.mail.oauth_request import mail_oauth_bp
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from api.blueprints.mail.oauth_callback import mail_callback_bp
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from api.blueprints.mail.sync import mail_sync_bp
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from api.blueprints.mail.list import mail_list_bp
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from api.blueprints.mail.retrieve import mail_retrieve_bp
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from api.blueprints.sms.auth import sms_auth_bp
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from api.blueprints.chat.auth import chat_auth_bp
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from api.blueprints.chat.webhook import chat_webhook_bp
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from api.blueprints.tech.chat_alerts import tech_chat_alert_bp
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from api.blueprints.test.callback import test_callback_bp
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from api.blueprints.ai.llm.invoke import llm_invoke_bp
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# All the helpers:
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from api.helpers.user import session
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# *****************************************************************************************************************
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# ***** ****
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# *** MACROS / ONE-TIME INIT ***
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# ***** ****
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# *****************************************************************************************************************
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# Quart related:
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MODULE_BASE = constants.MODULE_NAME
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APP_VERSION = constants.APP_VERSION
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# *****************************************************************************************************************
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# ***** ****
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# *** VARIABLES ***
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# ***** ****
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# *****************************************************************************************************************
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# The Quart app:
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app = Quart(__name__, template_folder = r"../views")
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app = cors(app)
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app.register_blueprint(mail_oauth_bp, url_prefix = f"/{MODULE_BASE}/mail")
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app.register_blueprint(mail_callback_bp, url_prefix = f"/{MODULE_BASE}/mail")
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app.register_blueprint(mail_sync_bp, url_prefix = f"/{MODULE_BASE}/mail")
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app.register_blueprint(mail_list_bp, url_prefix = f"/{MODULE_BASE}/mail")
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app.register_blueprint(mail_retrieve_bp, url_prefix = f"/{MODULE_BASE}/mail")
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app.register_blueprint(sms_auth_bp, url_prefix = f"/{MODULE_BASE}/sms")
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app.register_blueprint(chat_auth_bp, url_prefix = f"/{MODULE_BASE}/chat")
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app.register_blueprint(chat_webhook_bp, url_prefix = f"/{MODULE_BASE}/chat")
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app.register_blueprint(tech_chat_alert_bp, url_prefix = f"/{MODULE_BASE}/tech/alert")
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app.register_blueprint(test_callback_bp, url_prefix = f"/{MODULE_BASE}/test")
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app.register_blueprint(llm_invoke_bp, url_prefix = f"/{MODULE_BASE}/ai")
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# *****************************************************************************************************************
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# ***** ****
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# *** FUNCTIONS ***
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# ***** ****
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# *****************************************************************************************************************
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def set_cpu_affinity(requested_cpus: list):
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"""
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Sets the affinity of the current process to certain CPUs so that performance is boosted. The main factors that
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contribute to gains are cache-locality, reduced context switching, and effective resource management.
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:param requested_cpus: The array of integers of which CPU cores are preferred.
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:return: None.
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"""
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# Get the number of available CPUs:
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num_cpus = psutil.cpu_count()
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# Wrap around logic for when a core has been request that doesn't exist on this machine.
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# This is useful in cases like developing on a local machine with just 4 cores, but your server has dozens of cores.
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valid_cpus = [cpu % num_cpus for cpu in requested_cpus]
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# Set the CPU affinity:
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psutil.Process().cpu_affinity(valid_cpus)
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# ---------------------------------------------------------------------------------------------------------------------
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@app.before_serving
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@set_api_version(api_version = APP_VERSION)
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@log_request_to_mongo(
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attr_name = "logs_mongo",
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project = constants.PROJECT_NAME,
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log_type = constants.MODULE_NAME,
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operation = "apiStart",
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log_input = True,
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log_output = True
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)
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async def app_startup(**kwargs):
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"""
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To initialize the variables that you would like to use in this module.
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WARNING: ALL VARIABLES WILL BE INITIALIZED 'n' NUMBER OF TIMES, WHERE 'n' IS THE COUNT OF WORKERS DEPLOYED.
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SO, IF YOU WANT TO CONNECT TO A DATABASE AND YOU ALLOW A POOL-SIZE OF 10 AND IF YOU DEPLOY 4 WORKERS, YOU WILL END
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UP WITH 40 CONNECTIONS TO THE DATABASE.
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:return: None.
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"""
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# Safe-halt mechanism for upgrades (for a single-worker run):
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current_app.is_under_maintenance = False
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# Debugging:
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enable_debugging = True if os.environ["DEBUG"].strip().lower() == "true" else False
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current_app.printer = IceCreamDebugger(prefix = f"{MODULE_BASE} (Q) | ", includeContext = True)
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if not enable_debugging: current_app.printer.disable()
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current_app.printer("initializing worker...")
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# Make an instance of an HTTP client to use to make API calls:
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current_app.http_client = httpx.AsyncClient(
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limits = httpx.Limits(
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max_connections = 100, # ............ Maximum number of connections allowed in the pool.
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max_keepalive_connections = 50, # ... Maximum number of connections that can be kept alive.
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),
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timeout = httpx.Timeout(
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pool = 120.0, # .... Time to wait for a free connection from the pool.
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connect = 2.5, # ... Time to wait for establishing a connection to the server.
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write = 10.0, # .... Time to wait for sending data.
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read = 9.9 # ....... Time to wait for receiving data.
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)
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)
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# ┏┓ ┓ ┓ ┳┓
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# ┃ ┏┓┏┓┏┫ ┏┓┏┓┏┫ ┃┃┏┓╋┏┓
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# ┗┛┛ ┗ ┗┻ ┗┻┛┗┗┻ ┻┛┗┻┗┗┻
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# Get the script credentials:
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script_id = os.environ["SCRIPT_ID"]
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response = await current_app.http_client.get(
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url = r"https://nexcom.ditscentre.in/internal/cred/get",
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headers = {"X-Script-Id": script_id}
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)
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if response.status_code not in [200]: print("CRITICAL: SCRIPT CREDENTIALS LOADING FAILED!")
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script_cred = response.json().get("data")
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# Get the script data:
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response = await current_app.http_client.get(
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url = r"https://nexcom.ditscentre.in/internal/data/get",
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headers = {"X-Script-Id": script_id}
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)
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if response.status_code not in [200]: print("CRITICAL: SCRIPT DATA LOADING FAILED!")
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current_app.script_data = response.json().get("data")
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current_app.printer("Cred and Data loaded.")
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# ┏┓┏┓┳┳ ┏┓┏┏• •
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# ┃ ┃┃┃┃ ┣┫╋╋┓┏┓┓╋┓┏
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# ┗┛┣┛┗┛ ┛┗┛┛┗┛┗┗┗┗┫
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# ┛
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# We set the CPU affinity:
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try: set_cpu_affinity(script_cred["cpuAffinity"])
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except Exception as exception: current_app.printer(exception)
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current_app.printer("CPU affinity set.")
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# ┳┓ ┓• ┏┓ ┓
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# ┣┫┏┓┏┫┓┏ ━━ ┃ ┏┓┏┣┓┏┓
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# ┛┗┗ ┗┻┗┛ ┗┛┗┻┗┛┗┗
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# Caching connections:
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current_app.rate_limit_cache = AsyncRedisCache(
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connection_string = script_cred["redisCache"]["rateLimit"]["connectionString"],
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debug = enable_debugging,
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debug_prefix = "RL Cache | "
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)
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current_app.module_cache = AsyncRedisCache(
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connection_string = script_cred["redisCache"]["funcReturn"]["connectionString"],
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serializer = JSONSerializer(),
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debug = enable_debugging,
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debug_prefix = "User Cache | "
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)
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current_app.printer("Redis cache ready.")
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# ┳┳┓ • ┳┓┳┓
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# ┃┃┃┏┓┏┓┓┏┓┃┃┣┫
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# ┛ ┗┗┻┛ ┗┗┻┻┛┻┛
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# MariaDB connections:
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current_app.sql_writer = AsyncMySQL(
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pool_size = script_cred["mariaDb"]["write"]["poolSize"],
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host = script_cred["mariaDb"]["write"]["host"],
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user = script_cred["mariaDb"]["write"]["user"],
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password = script_cred["mariaDb"]["write"]["password"],
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database = script_cred["mariaDb"]["write"]["database"]
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)
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await current_app.sql_writer.connect()
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current_app.sql_reader = AsyncMySQL(
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pool_size = script_cred["mariaDb"]["read"]["poolSize"],
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host = script_cred["mariaDb"]["read"]["host"],
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user = script_cred["mariaDb"]["read"]["user"],
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password = script_cred["mariaDb"]["read"]["password"],
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database = script_cred["mariaDb"]["read"]["database"]
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)
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await current_app.sql_reader.connect()
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current_app.printer("MariaDB ready.")
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# ┳┳┓
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# ┃┃┃┏┓┏┓┏┓┏┓
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# ┛ ┗┗┛┛┗┗┫┗┛
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# ┛
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# MongoDB connections:
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current_app.logs_mongo = AsyncMongo(
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connection_string = script_cred["mongoDb"]["logs"]["connectionString"],
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database_name = script_cred["mongoDb"]["logs"]["dbName"],
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max_connections = script_cred["mongoDb"]["logs"]["poolSize"],
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debug = enable_debugging
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)
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await current_app.logs_mongo.connect()
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current_app.data_mongo = AsyncMongo(
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connection_string = script_cred["mongoDb"]["data"]["connectionString"],
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database_name = script_cred["mongoDb"]["data"]["dbName"],
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max_connections = script_cred["mongoDb"]["data"]["poolSize"],
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debug = enable_debugging
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)
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await current_app.data_mongo.connect()
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current_app.files_mongo = AsyncMongo(
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connection_string = script_cred["mongoDb"]["files"]["connectionString"],
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database_name = script_cred["mongoDb"]["files"]["dbName"],
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max_connections = script_cred["mongoDb"]["files"]["poolSize"],
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debug = enable_debugging
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)
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await current_app.data_mongo.connect()
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current_app.printer("MongoDB ready.")
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# ┳ ┓ ┳┳┓ ┓ ┓
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# ┃┏┓╋┏┓┏┓┏┓┏┓┃ ┃┃┃┏┓┏┫┏┓┃┏
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# ┻┛┗┗┗ ┛ ┛┗┗┻┗ ┛ ┗┗┛┗┻┗ ┗┛
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current_app.mail_oauth_model = MailOAuthModel(
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cache = current_app.module_cache,
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alert_url = current_app.script_data["alerts"]["url"],
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http_client = current_app.http_client,
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debug = enable_debugging,
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debug_prefix = "Mail-OAuth | ",
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debug_only_errors = True
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)
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current_app.mail_sync_model = MailSyncModel(
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cache = current_app.module_cache,
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alert_url = current_app.script_data["alerts"]["url"],
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http_client = current_app.http_client,
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debug = enable_debugging,
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debug_prefix = "Mail-Sync | ",
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debug_only_errors = True
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)
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current_app.mail_retrieve_model = MailRetrieveModel(
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cache = current_app.module_cache,
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alert_url = current_app.script_data["alerts"]["url"],
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http_client = current_app.http_client,
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debug = enable_debugging,
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debug_prefix = "Mail-Retr | ",
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debug_only_errors = True
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)
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current_app.sms_auth_model = SMSAuthModel(
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cache = current_app.module_cache,
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alert_url = current_app.script_data["alerts"]["url"],
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http_client = current_app.http_client,
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debug = enable_debugging,
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debug_prefix = "SMS-Auth | ",
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debug_only_errors = True
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)
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current_app.printer("Internal models ready.")
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# ┏┓ ┓ ┏┓┓•
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# ┃ ┏┓┏┓┏┓┏┓┏╋┏┓┏┓┏ ┏┓┏┓┏┫ ┃ ┃┓┏┓┏┓╋┏
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# ┗┛┗┛┛┗┛┗┗ ┗┗┗┛┛ ┛ ┗┻┛┗┗┻ ┗┛┗┗┗ ┛┗┗┛
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# Create an instance to handle GMail-related activities:
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current_app.gmail_client = AsyncGMailClient(
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service_name = "gmail",
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oauth_json = script_cred["google"]["oauth"]["tcaoff"],
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http_client = current_app.http_client,
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redirect_url = r"https://api.thecaoffice.com/converse/mail/callback/gmail",
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debug = enable_debugging,
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debug_prefix = "GMail (M) | ",
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debug_only_errors = False
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)
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current_app.printer("Connectors and Clients ready.")
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# ┏┓┳ ┳┳┓ •
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# ┣┫┃ ┃┃┃┏┓┏┓┓┏
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# ┛┗┻ ┛ ┗┗┻┗┫┗┗
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# ┛
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# For LLMs:
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current_app.llm = LLMOpenAI(
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llm_creds = {
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"model": script_cred["openAi"]["model"],
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"openai_api_key": script_cred["openAi"]["openai_api_key"]
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},
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cache = current_app.module_cache,
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alert_url = current_app.script_data["alerts"]["url"],
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http_client = current_app.http_client,
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debug = enable_debugging,
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debug_prefix = "AI (LLM) | ",
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debug_only_errors = True
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)
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current_app.printer("AI ready.")
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# ┳┳┓•
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# ┃┃┃┓┏┏
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# ┛ ┗┗┛┗
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# Pick the important stuff:
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current_app.whitelisted_ips = current_app.script_data["whitelistedIps"]
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# Register helpers:
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current_app.get_session = session.get_session
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# Remove unwanted/sensitive variables from RAM:
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del script_cred
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gc.collect()
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# Done here!
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current_app.printer("Worker ready!")
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# ---------------------------------------------------------------------------------------------------------------------
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@app.after_serving
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@set_api_version(api_version = APP_VERSION)
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@log_request_to_mongo(
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attr_name = "logs_mongo",
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project = constants.PROJECT_NAME,
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log_type = constants.MODULE_NAME,
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operation = "apiStop",
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log_input = True,
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log_output = True
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)
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async def app_shutdown(**kwargs):
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"""
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This is called when "app.shutdown()" is called.
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:return: None.
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"""
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message = "Shutting down..."
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current_app.printer(message)
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# ---------------------------------------------------------------------------------------------------------------------
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@app.route(f"/", methods = ["GET", "POST"])
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@app.route(f"/{MODULE_BASE}", methods = ["GET", "POST"])
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async def root():
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"""
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To check if the service is running or not.
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Use this to monitor the service from your "watchman" script.
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:return: only "ok"
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"""
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return "ok"
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# ---------------------------------------------------------------------------------------------------------------------
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@app.route(f"/metrics/memory", methods = ["GET", "POST"])
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@app.route(f"/{MODULE_BASE}/metrics/memory", methods = ["GET", "POST"])
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async def memory_metrics():
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"""
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TO measure the metrics of the app.
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:return: A JSON of the metrics.
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"""
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# Figure pout the parent process.
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# This is important for multi-worker environments:
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parent_pid = os.getppid()
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parent_process = psutil.Process(parent_pid)
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parent_mem_info = parent_process.memory_info()
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# Figure out all the children of the parent process:
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child_pids = [child.pid for child in parent_process.children()]
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child_processes = [psutil.Process(child_pid) for child_pid in child_pids]
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child_stats = []
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for pid, process in zip(child_pids, child_processes):
|
|
mem_info = process.memory_info()
|
|
child_stats.append({
|
|
"pid": pid,
|
|
"mem": round(mem_info.rss / (1024 ** 2), 2)
|
|
})
|
|
|
|
# Construct the response:
|
|
metrics_json = {
|
|
"parent": {
|
|
"pid": parent_pid,
|
|
"mem": round(parent_mem_info.rss / (1024 ** 2), 2)
|
|
},
|
|
"children": child_stats,
|
|
"unit": {
|
|
"mem": "MB"
|
|
},
|
|
"ts": date_time.get_current_ist_date_time(as_string = True)
|
|
}
|
|
|
|
# Done here:
|
|
return metrics_json
|
|
|
|
|
|
# ---------------------------------------------------------------------------------------------------------------------
|
|
|
|
|
|
@app.route(f"/{MODULE_BASE}/debug/<action>", methods = ["POST", "GET"])
|
|
async def change_debug(action):
|
|
|
|
"""
|
|
Enable or disable debugging for the entire microservice.
|
|
WARNING: NOT RECOMMENDED FOR MULTI-WORKER DEPLOYMENTS.
|
|
:param action: "enable" to allow debugging on the terminal, or "disable".
|
|
:return: "enabled"/"disabled" if successful, else "ok"
|
|
"""
|
|
|
|
# Enable or disable debugging only if the password matches:
|
|
action = action.lower()
|
|
if action == "enable": current_app.printer.enable()
|
|
elif action == "disable": current_app.printer.disable()
|
|
return "ok"
|
|
|
|
|
|
# ---------------------------------------------------------------------------------------------------------------------
|
|
|
|
|
|
@app.route(f"/{MODULE_BASE}/maintenance/<action>", methods = ["POST", "GET"])
|
|
async def change_maintenance(action):
|
|
|
|
"""
|
|
Enable or disable debugging for the entire microservice.
|
|
WARNING: NOT RECOMMENDED FOR MULTI-WORKER DEPLOYMENTS.
|
|
:param action: "enable" to stop taking new requests on the API, or "disable".
|
|
:return: "enabled"/"disabled" if successful, else "ok"
|
|
"""
|
|
|
|
# Enable or disable debugging only if the password matches:
|
|
action = action.lower()
|
|
if action == "enable":
|
|
current_app.is_under_maintenance = True
|
|
os.environ["IS_UNDER_MAINTENANCE"] = "True"
|
|
elif action == "disable":
|
|
current_app.is_under_maintenance = False
|
|
os.environ["IS_UNDER_MAINTENANCE"] = "False"
|
|
return "ok"
|
|
|
|
|
|
# *****************************************************************************************************************
|
|
# ***** ****
|
|
# *** MAIN PROGRAM ***
|
|
# ***** ****
|
|
# *****************************************************************************************************************
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
# To get args from the terminal:
|
|
import argparse
|
|
|
|
# To run the ASGI:
|
|
import uvicorn
|
|
from multiprocessing import freeze_support
|
|
|
|
# Get the config from the command-line:
|
|
parser = argparse.ArgumentParser(description = f"Microservice for '{MODULE_BASE}' API.")
|
|
parser.add_argument(
|
|
"--workers",
|
|
type = int,
|
|
help = "The no. of threads to spin up for this instance!",
|
|
default = 2
|
|
)
|
|
parser.add_argument(
|
|
"--host",
|
|
type = str,
|
|
help = "The host for the app. e.g.: '0.0.0.0' or '127.0.0.1'.",
|
|
default = "127.0.0.1"
|
|
)
|
|
parser.add_argument(
|
|
"--port",
|
|
type = int,
|
|
help = "The port no. to bind the app to.",
|
|
default = 8080
|
|
)
|
|
parser.add_argument(
|
|
"--script-id",
|
|
type = str,
|
|
help = "The id of this script (will affect the loaded config)."
|
|
)
|
|
parser.add_argument(
|
|
"--debug",
|
|
action = "store_true",
|
|
help = "Whether, or not, you want to see debugging messages in the terminal.",
|
|
default = False
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
# Note down the config;
|
|
os.environ["SCRIPT_ID"] = args.script_id
|
|
os.environ["DEBUG"] = str(args.debug)
|
|
|
|
# Run the gateway:
|
|
freeze_support()
|
|
uvicorn.run(
|
|
app = "main:app",
|
|
workers = args.workers,
|
|
host = args.host,
|
|
port = args.port
|
|
)
|