logtest.py

# 2017-Jul-21 02:52
import logging
import os
import math

# Create and configure logger
LOG_FORMAT = "%(levelname)s %(asctime)s - %(message)s"
logging.basicConfig(filename = os.getcwd() + '/pyLog.log',
                    level = logging.DEBUG,
                    format = LOG_FORMAT,
                    filemode = 'w')
logger = logging.getLogger()

def quadratic_formula(a, b, c):
    """Return the solutions to the equation ax^2 + bx + c = 0."""
    logger.info("quadratic_formula({0},{1},{2})".format(a,b,c))

    # Compute the discriminant
    logger.debug("# Compute the disciminant")
    disc = b**2 - 4*a*c

    # Compute the two roots
    logger.debug("# Compute the two roots")
    root1 = (-b + math.sqrt(disc)) / (2*a)
    root2 = (-b - math.sqrt(disc)) / (2*a)

    # Return the roots
    logger.debug("# Return the roots")
    return (root1, root2)

# roots = quadratic_formula(1, 0, 1)
roots = quadratic_formula(1, 0, -2)
print(roots)

# Test the logger
logger.info("Our first message.")

# Test messages
# logger.debug("This is a harmless debug message.")
# logger.info("Just some useful info.")
# logger.warning("I'm sorry, but I can't do that, Dave.")
# logger.error("Did you just try to divide by zero?")
# logger.critical("The entire internet is down!! Get to da choppah!")

# print(logger.level)