XPYM300111 InstructorPhilipM-1

Philip Matusiak philipm@onlc.com

10 E - 1 E
1 E - 1:45 E Lunch
1:45 E - 4:45 E

def myCalc():
  x = 7
  y = 3
  z = x + y
  print(z)
  return "themselves"  function # 10

call
myCalc()
print(myCalc())

Method > function that returns somewhere else "Class"

public myCalc() {

}

super()

Core
Standard
Custom

Python
Pythonic

Application
Factory > Container / Token
PROVIDER > INPUTS / APIS / IO
Service > Web Service / apis / injectables
 "namespace" Modules > Collections  defaultdict LL dict type HL
Class > wrapper for objects Contacts
 Object method() return  Contacts.Contact  convert.ToInt()
  Property (type and var name) implicitly Contacts.Contact.fname
  value "Philip"  string<data type> fname<var name> casting
  > view  My name is Philip

open("contacts.csv"):
  .reader()

file = "contacts.csv"
open(filename):

with open(file) as file<ns>:
  file.reader()

import MODULENAME   import datetime
from MODULE import Class  from datetime import date
import MODULENAME as ns  import datetime as dt


class Contacts:

 def openContacts:
  with open(filename) as file:
   file.reader()

 openContacts()

compiler (php,cf,asp) > html  memory/proc intensive
engine (java's) > encapsulation  {  } memory intensive less proc
framework (C#, VB.net, asp.net, angular, react,...) 
interperter (python) signlanguage "Philip"  'P' 'h' 'i'

list [] single, dups, indexed,mut len3 range0-2
set {} single, !dups, !indexed, !sort, mut {"Bob","Joe","Bob"} len2 
  {"Bob","Joe"}  {"Joe", "Bob"}
tuple ()  single, dups, indexed, immut
dictionary  dict {} key:value  key!dup , valuedup, mut

Someone help you out > control, customization, optimization HL dict type
Collections Class  { "fname": "Bob" }
Dict Class { "fname": "Bob" }

break 11:30 E - 11:45 E
class code lab
philipm@onlc.com
Philip Matusiak
AFK... VS Code Test python
folder for class / save ws / chapter5.py

property > fname = "Philip"  
data type string ""    char ''   bool True/False  int 21 
variable name  fname
value Philip

string age;
age = "21"
age.ToInt()  conversion
int(age)  casting

fname = "Bob" > assert Bob  property of an Object
_fname = "Bob" > assert Bob hidden property of an Object
__fname__ = "Bob"> getter Bob Property of a Class

underscore_case
snake_case
camelCase
TitleCase
lowercase
UPPERCASE


Contact.fname
Contact._fname

class Contact:
  __init__ fname
  __fname__

value Bob

A.F.P.S.C.O.m.p.value
A.C<Product>.C<ProductDetails>.O

A.F.C.p.O.p.C.S.m.p.value
MVC
Class > Properties<attr><structural>  Behaviors<methods><functional>


def __something__():  BEFORE blueprint  Properties/Behaviors
   ops

def something():  AFTER inside class  instances
   ops

class Contacts:
  def __init__()

google.com
domain.root

self.  self param defines instance of a class
this.

string fname;


constructor(firstname) {
 
this.fname =  firstname
}


Contact("Bob","Smith")

self1  > self

this1  >  this


onlclabs.com

lunch 1:25 E - 2:10 E
philipm@onlc.com  800.288.8221
connected both sessions and audio

static
instance
abstract
myContact = new Contact()
myContact = Contact.create()

Product 3 params name,sku,price
DetailedProduct 2 params description, size

tblProducts has 57 fields, cd, md, user
Product  only 3 params  list of products onClick() super
details more fields < subclass

class DetProd(Product):


join +   "Product Name " + productName
params   "Product Name", productName	
template f"Product Name {productName}"
ToString()  "Product Name {} Sku {}".format(productName, sku)
verbose  @"Product Name {productName}"

orderID, orderDate


high level modules "review" pypdf.copy()
low level modules "granular / flexible" IO.copy() txt, import csv
os (Windows / Linux / Mac / ...) sys
interpreter

break 3:45 E - 4:00 E
class Orders
chapter6.py

Orders
datetime now()
subprocess > create log orderID, orderDate
user input qty int(input())
2 processes
1. output to term
2. log file

if else > input()  property
try except finally throws TYPE ERROR class
regex ^[1-9][0-9][0-9]
if (input > 0)
micro > api > 

Day 2
debug the process script error
copy up chapter6.py
then chapter 7

-Value '{log_message}'"
-Value \"{log_message}\""


f'string stuff " "  '

onlclabs.com/python

ccInfo = ('4111 2541 5412 5214', '12/25', '412')

break 11:35 E - 11:50 E

loops / interators
1. control  __init__
2. condition __next__
3. return __iter__

Data Architecture > Class
Class Objects var 
Storage Container Objects
Data Stream  Objects > yield / Obs & Prom / Sub & Beh
iterate()
enumerate()

Generators > data streams > infinate seqs

"^[a-zA-Z0-9_.]+@[a-zA-Z0-9]+?\.[a-zA-Z]{2,3}$"

Python > use the if keyword to test the regex value to return
Pythonic > use bool(test value) return

lunch 12:55 E - 1:40 E
code our import re Standard
chapter 8
DRY principle of OOP keyword, op, code, DM
view template if elif elif else  
property var data type switch case case default
Object function( function())  bool()
Class try finally
Service Class() Class()
PROVIDER S S
Factory P P

3 Base Levels Debugging
Syntax > correct typing code  IDE
Runtime > at runtime code __init__  Class P and B
Exception > throws or raises  try except finally

Front End > UI/UX View > Controller Class
View stable
1. __init__
2. view unstable Exit 0
 a. call service/PROVIDER/Factory
 b. UI/UX functionality 
 c. timer (wait, timer)

MVC DM 0 C 0 V unstable > Controller Class View stable
APP Exit Code 1

Backend Testing
 UnitTesting Assert  x + y 100 + 7%   x * y 100 * .07
 Class Testing  test functions in the class

Unit Test > unittest Module Standard (xUnit, fixtures, suites)
Class Testing > pytest (simple, customize failures > log file)

Suite
APP > P
 Class 1 > P
  @funct1_1() > P
  @funct1_2() > P
 Class 2 > P
  @funct2_1() > P
  funct2_2( > tax_calc() cart_total = 107.00 Assertion
	function2_2a() >  sub_total + perc F 100 + .07 
          ) 
  @funct2_3() > P

pytest 
 pip install module_name
 easier syntax > testing self.Assert()
 parameter testing
 extend testing plugins pytest
 
Class(InjectingClass)

Class.Class

break 3:15 E - 3:30 E
pytest

pytest

You do not need a class wrapper
pytest command line utility pytest
pip install pytest
test_

pytest chapter8Pytest.py

# pip install pytest-mock

Next Steps > Python Level 3 Data Analysis, Audit Program, Book, Download
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Certificate of Completion
philipm@onlc.com
Digital Access Key
onlc.com/eval