vubon

from django.contrib.postgres.indexes import BrinIndex
from django.db import models

class SampleData(models.Model):
    created_at = models.DateTimeField()
    class Meta:
        """
        You must need to use PostgreSQL DB unless you can't use BrinIndex

        """

vubon

"""
## ==== Never create O(n), if you can O(1) ===== #
“A dispatch table is a table of pointers to functions or methods.”
Link: https://en.wikipedia.org/wiki/Dispatch_table?fbclid=IwAR392A7zZELtQxij7w5iHurjdKJxuYbdyOc6_iVBh7pqvr4oeEUr0xLUNpk
"""

import datetime


def monday_task():

vubon

yum install -y  gcc gcc-c++ make git patch openssl-devel zlib-devel readline-devel sqlite-devel bzip2-devel

curl -L https://raw.githubusercontent.com/yyuu/pyenv-installer/master/bin/pyenv-installer | bash
echo 'export PATH="$HOME/.pyenv/bin:$PATH"' >> .zshrc
echo 'eval "$(pyenv init -)"' >> .zshrc
echo 'eval "$(pyenv virtualenv-init -)"' >> .zshrc
exec $SHELL - l

pyenv install 3.6.0
pyenv global 3.6.0

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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}

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

# 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 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

    # ....... 
    # 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)

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

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 = [
            ....