Personal Python Cheat Sheet

python-cheat-sheet.py

# Getting class name
MyClass(x).__name__

# UTC timestamp 2020-03-04T17:50:26.376Z
now = datetime.datetime.utcnow()
timestamp = now.strftime('%Y-%m-%dT%H:%M:%S') + \
            '.%03d' % (now.microsecond / 1000) + 'Z'


# Jupyter arguments
NOTEBOOK_ARGUMENTS = [
    "--ip",
    "0.0.0.0",
    "--allow-root",
    "--no-browser",
]

###############################################

# Looback business days

from datetime import datetime
from workalendar.usa import UnitedStates

date_time_transaction = '2020-09-28T13:39:05.596Z'
date_time_obj = datetime.strptime(date_time_transaction, '%Y-%m-%dT%H:%M:%S.%fZ')

cal = UnitedStates()
cal.add_working_days(date_time_obj, -3)