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Python for network engineers

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Python for network engineers

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Introduction
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Book resources
I. Python basics
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- 1. Preparing for work
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- 2. Using Git and Github
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- 3. Getting started with Python
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- 4. Python data types
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  - Numbers
  - Strings
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  - List
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    - List methods
  - Dictionary
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    - Dictionary methods
    - Dictionary creation options
  - Tuple
  - Set
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  - Boolean values
  - Types conversion
  - Types checking
  - Method chaining
  - Sorting basics
  - Further reading
  - Tasks
- 5. Basic scripts
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- 6. Control structures
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  - if/elif/else
  - for
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    - Nested for
    - Combination for and if
  - while
  - break, continue, pass
  - for/else, while/else
  - Working with try/except/else/finally
  - Further reading
  - Tasks
- 7. Working with files
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- 8. Python basic examples
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II. Code reuse
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- 9. Functions
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  - Creation of functions
  - Namespace. Scope of variables
  - Function parameters and arguments
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  - Example of using variable length keyword arguments and unpacking arguments
  - Further reading
  - Tasks
- 10. Useful functions
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  - print
  - range
  - sorted
  - enumerate
  - zip
  - all
  - any
  - Anonymous function (lambda expression)
  - map
  - filter
- 11. Modules
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- 12. Useful modules
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  - subprocess
  - os
  - ipaddress
  - tabulate
  - pprint
  - Tasks
- 13. Iterators, iterable and generators
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III. Regular expressions
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- 14. Regular expression (regex) syntax
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- 15. Module re
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IV. Data writing and transmission
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- 16. Unicode
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- 17. Working with CSV, JSON, YAML files
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V. Working with network devices
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- 18. Connection to network devices
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- 19. Concurent connections to multiple devices
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  - Measure script execution time
  - Processes and threads in Python (CPython)
  - Number of threads
  - Thread safety
  - Module logging
  - Module concurrent.futures
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  - Further reading
  - Tasks
- 20. Jinja2 configuration templates
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  - Getting started with Jinja2
  - Example of using Jinja
  - Jinja2 template syntax
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  - Template inheritance
  - Further reading
  - Tasks
- 21. Parsing command output with TextFSM
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VI. Basics of object-oriented programming
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- 22. OOP basics
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- 23. Special methods
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  - Underscore in names
  - Methods __str__, __repr__
  - Arithmetic operator support
  - Protocols
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  - Tasks
- 24. Inheritance
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  - Inheritance basics
  - Tasks
VII. Working with databases
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- 25. Database operations
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  - SQL
  - SQLite
  - SQL basics (in sqlite3 CLI)
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    - CREATE
    - DROP
    - INSERT
    - SELECT
    - WHERE
    - ALTER
    - UPDATE
    - REPLACE
    - DELETE
    - ORDER BY
    - AND
    - OR
    - IN
    - NOT
  - Sqlite3 module
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  - Further reading
  - Tasks
VIII. Additional information
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- Testing tasks with the pyneng utility
- Tasks checking with tests
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  - Pytest basics
  - Specifics of using pytest to check tasks
- argparse
- String formatting with % operator
- Naming convention
- Underscore in names
- Python 2.7 and Python 3.6 distinctions
- Preparing Windows
- Preparing Linux
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14. Regular expression (regex) syntax#

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Last updated on Sep 29, 2022