python-2

Python 2

Sraz 2.1

• orgranizace Py projektů:
  • pip
  • requirements.txt
  • venv
• materiály:
  • repozitář balíčků https://pypi.org
  • virtualenv vs venv vs pyenv... https://stackoverflow.com/questions/41573587/what-is-the-difference-between-venv-pyvenv-pyenv-virtualenv-virtualenvwrappe
  • pipenv (officially recommended) https://realpython.com/pipenv-guide/

Sraz 2.2

• ipython - https://ipython.readthedocs.io/en/stable/overview.html

  • příklad pro %load: https://jsonplaceholder.typicode.com/todos/1

• jupyter notebook - https://jupyter.org/documentation

• základy:

  • numpy
  • matplotlib

• examples for live presentation:

  • python2.2.notes.md
  • python2.2.matplotlib.ipynb
  • python2.2.numpy.sympy.ipynb

• other related libraries (not part of presentation):

  • SciPy - library for mathematics, science, and engineering. https://docs.scipy.org/doc/scipy/reference/tutorial/general.html
  • Pandas - library for data analysis. https://pandas.pydata.org/
  • OpenCV - image processing (pip install cv2). https://docs.opencv.org/master/d6/d00/tutorial_py_root.html

Sraz 2.3

• úvod do tříd

  • zapouzdření,
  • třída vs. instance,
  • self,
  • class/inst property

• inheritance, super()

• examples for live presentation:

  • python2.3.notes.ipynb

• homework

  • python2.3.homework.ipynb
  • solution: python2.3.homework.solution.ipynb

• materiály:

  • https://naucse.python.cz/2019/brno-podzim-pondeli/beginners/class/
  • https://naucse.python.cz/2019/brno-podzim-pondeli/beginners/inheritance/

Sraz 2.4

• PEP8
• clean code
• Enum
• examples for live presentation:
  • python2.4.notes.ipynb
• exercise to practise (=called homework before):
  • python2.4.exercise
• resources:
  • pep8 - code style recommendations for Python, https://realpython.com/python-pep8/
    • PEP8 song 😃 https://www.youtube.com/watch?v=wNcobO-TAyY
  • clean code by examples - https://github.com/zedr/clean-code-python
  • Enum - enumeration data type, https://docs.python.org/3/library/enum.html

Sraz 2.5

• Enum review
• typehints
• testing, pytest
• own defined exceptions
• examples for live presentation:
  • python2.5.notes.ipynb
  • python2.5.testing.notes.ipynb
• exercise to practise
  • python2.5.exercise.md
• resources
  • mypy - static analysis of code, https://mypy.readthedocs.io/
  • testing related:
    • https://docs.python-guide.org/writing/tests/
    • https://www.youtube.com/watch?v=FjwayiHNI1w
    • testing as science https://www.youtube.com/watch?v=FjwayiHNI1w
    • mocks, fakes, stubs, spies... - https://www.youtube.com/watch?v=-nJ-ZW_LP7s
    • test driven development, https://en.wikipedia.org/wiki/Test-driven_development#Test-driven_development_cycle
  • pytest - famous test runner, https://docs.pytest.org/en/stable/

Sraz 2.6

• Pathlib https://docs.python.org/3/library/pathlib.html#correspondence-to-tools-in-the-os-module
• namedtuple https://docs.python.org/3/library/collections.html#namedtuple-factory-function-for-tuples-with-named-fields
• dataclasses https://docs.python.org/3/library/dataclasses.html
• lambda, map, filter, sort
  • https://docs.python.org/3/howto/sorting.html
• logging module
  • https://docs.python.org/3/howto/logging-cookbook.html#logging-cookbook
  • https://docs.python.org/3/library/logging.html
• jupyter notebook as presentation
  • source jupyter notebook python2.6.presentation.demo.ipynb
  • exported self-contained HTML python2.6.presentation.demo.slides.html
• tips for debugging in PyCharm
• examples for live presentation:
  • python2.6.notes.ipynb