LinuxCBT Python Scripting Edition

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LinuxCBT - Python Scripting Edition

LinuxCBT - Python Scripting Edition | 225.72 MB

Discuss Python's capabilities & features

Identify location of pre-installed Python

Discuss Python's Interactive interface

Use the interactive interface to ouput basic expressions

Hello World

Identify reserved keywords

Escape sequences & escape character exploration

Define Python script using Linux SHEBANG header

Execute Python scripts using the Python interpreter directly

Discuss data types including strings, integers, lists, tuples, dictionaries, etc.

Define standard variable types

Use the print function to examine ouput of variables and expressions

Use the type function to resolve data type

Use the id function to expose the memory location of the stored variable

Explain and define references and integrate with the id function

Comments definition

Perform basic arithmetic to illustrate the PEMDAS order of operations and examine how to alter itGeneral Python Information I
Explain and illustrate STDIN usage

Examine the input function

Examine the raw_input function

Compare and contrast between input and raw_input functions

Define small script to make use of input/raw_input and basic math functions

Python Function concepts, applications and definitionString Manipulation
Define and ascertain the length of strings

String extraction using list elements and list slicing

Discuss immutable and mutable data types

Loop through string slices using for loops

Compare strings using string operators

Discuss Python's object-oriented nature of various modules including classes and methods

Import strings module

Convert strings to upper and lower case using strings module methods

Split strings into lists

Join lists into stringsList Manipulation
Define lists

Discuss and Define tuples

Compare and contrast lists and tuples

Reverse lists

Append lists

Extend lists

Nest lists

Define multi-dimensional lists

Stack Lists using Last In First Out (LIFO) using the pop function

Define First In First Out (FIFO) lists to emulate queueing using the pop function

Insert values into various positions of the list

Use ranges to generate integers

Lists with Integers

Lists with Strings

Emulate standard UNIX Syslog logfile format using Lists

Parse emulated logfile format using the Split function

Recap list manipulation using integers, strings and various list methods

Explain and define Dictionaries - key/value pairs similar to Hashes in PerlControl Structures
IF - Defintion and usage

Discuss the importance of indentation

Else/Elif - comparisons against integers and strings

Comparison negation

Write script to perform conditional testing

Import sys module to evaluate positional parameters using ARGV

Define script which requires minimum number of command-line arguments

Nest multiple if/elif statements to match logic

Explain how for loops work in Python

for loops definition and usage

Iterate through lists of strings using for loops

Integrate for loops with string manipulation functions and log file parsing

Define and use While loops

Define and examine the consequences of incorrect logic with an infinite while loop

Integrate while loop with raw_input function to obtain data from the end-user

Discuss file handle concepts and applications

Use control structures to generate output for use in File I/O exercises

Use the open function to read a file into a file handle

Iterate through the lines within the opened file using readline functions, etc.

Open file handles for writing

Open multiple file handles

Write strings to files using string formatting options and variable substitution

Parse source file by extracting columns to be stored in destination file
Regular Expressions

Discuss Regular Expressions

Import Regular Expressions module (re) for usage

Implement Regular Expressions (REs)

Regular Expressions Matching of strings and variables

REGEX Repeaters

Integrate Regular Expressions with text file processing

Exception Handling

Try & Except

Identification of default Python modules

Import modules (sys, os, etc.) for usage

Use the dir function to ascertain the classes and methods available within modules

Use the SHUTIL module for advanced, high-level File I/O (Copy, Move, etc.)

Python - Syslog integration

Define script using the Syslog module to log to syslog
Common Gateway Interface

CGI Discussion and applications

Implement Python CGI with Apache 2.x

Evaluate results of CGI integration

Further exploration of dictionaries

Parse log files into dictionary data structure

Organize results

Analyse dataTime
Review properties of various time functions

Export time with various functions

Use time functions to create log entries in process akin to Perl

Evaluate results

Use 7zip for unrar if you get "Max 360 character" error




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Tags: Scripting, Python, LinuxCBT
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