vubon

import tracemalloc
from time import perf_counter

def performance(func):
    def wrapper(*args, **kwargs):
        tracemalloc.start()
        start_time = perf_counter()
        func(*args, **kwargs)
        current, peak = tracemalloc.get_traced_memory()
        finish_time = perf_counter()

vubon

import os 
import logging
import logging.config

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

LOGGER = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {

vubon

-- Get Database Size
select pg_size_pretty(pg_database_size('<DB Name>'));
-- Get Table Size
select pg_size_pretty(pg_table_size('<Table SIze>'));
-- Delete a small table
delete from table_name;
-- Delete a big table 
TRUNCATE TABLE table_name;
                                    
-- Count row of a table

vubon

from functools import partial
from django.db.models import signals


class WhoDidMiddleware(object):
    """
       his class represent as catch request user and mark the user into that model.
       Usage:
        MIDDLEWARE = [
            ....

vubon

class Account:
    """ A basic account information store class """

    def __init__(self, bank_account: str, balance: float):
        self.bank_account = bank_account
        self.balance = balance
        self._account_information = dict(bank_account=self.bank_account, balance=self.balance)

    # Just declare the @property decorator and solve those problems.
    @property

vubon

    # ....... 
    # Just declare the @property decorator and solve those problems.
    @property
    def account_information(self) -> dict:
        """
        Get account information
        :return: {'bank_account': '0004-0067894712', 'balance': 1000.5}
        :rtype: dict
        """
        return dict(bank_account=self.bank_account, balance=self.balance)

vubon

class Account:
    """ A basic account information store class """

    def __init__(self, bank_account: str, balance: float):
        self.bank_account = bank_account
        self.balance = balance
        # self.account_information = dict(bank_account=self.bank_account, balance=self.balance)

    def account_information(self) -> dict:
        """

vubon

# Fund transfer process
account.balance = account.balance - 500.25

# Now call the account_information attribute
print("Calling the account_information attribute")
print(f"Account information: {account.account_information}")
# calling the balance attribute 
print(f"Current balance: {account.balance}")

# Output

vubon

class Account:
    """ A basic class that store bank account information """

    def __init__(self, bank_account: str, balance: float):
        self.bank_account = bank_account
        self.balance = balance
        self.account_information = dict(bank_account=self.bank_account, balance=self.balance)

    def __str__(self):
        return f"Bank Account: {self.bank_account} - balance: {self.balance}"

vubon

BACKUP_DIR=<back up location>
DAYS_TO_KEEP=14
FILE_SUFFIX=_db_suffix.sql
DATABASE=<Databae Name>
USER=<Database username >

FILE=`date +"%Y%m%d%H%M%S"`${FILE_SUFFIX}

OUTPUT_FILE=${BACKUP_DIR}/${FILE}