PYTHON [miguel angel torres egea]

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= PYTHON
{{tag>development python}}
== doc
  * [[info:cursos:pue:python-pcpp1|]]
  * [[info:cursos:pue:python|]]
  * [[info:cursos:udemy:python-mega-course]]

== install
=== best practices
  * entornos virtuales: [[development:python:entornos-virtuales]]
  * paquetes: [[development:python:pip]]
  * instalar varias versiones python: [[https://medium.com/@julgq/instalando-m%C3%BAltiples-versiones-de-python-en-linux-ubuntu-20-04-2-lts-9f163c046cc5]]
  * How to use Python’s **py** launcher for Windows: [[https://www.infoworld.com/article/3617292/how-to-use-pythons-py-launcher-for-windows.html]]

  * Use ''Poetry'' for package management: <code bash>curl -sSL https://install.python-poetry.org | python3 -</code>

=== bootstrap
<code bash>
mkdir my-project && cd my-project
# Make sure the standard .gitignore is set
curl -o .gitignore https://raw.githubusercontent.com/github/gitignore/main/Python.gitignore
# init and activate virtual environment
python3 -m venv ./venv && source venv/bin/activate
# init Poetry. It will rely only the previously created venv, if activated.
poetry init -q
</code>

=== test
<code bash>
poetry add -g test flake8 autopep8 flake8-annotation
poetry install --only test
# Using Flake8 for lint
poetry run flake8 src
# Enforce styling
poetry run autopep8 --in-place --recursive src
# Using pytype for type checking
poetry run #TODO

</code>

/via: [[https://code.europa.eu/digit-c4/dev/python-best-practices]]
=== vanilla
  * default:<code bash>whereis python
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 20
sudo update-alternatives --config python
</code>
  * entornos virtuales y paquetes:
    * [[https://docs.python.org/es/3.8/tutorial/venv.html]]
    * [[https://docs.python.org/3/tutorial/venv.html]]
=== anaconda (y miniconda)
  * distribución Python, orientada al desarrollo científico con Python, tanto analítico como gráfico.
  * Miniconda solo tiene Python + gestor de paquetes **[[development:python:conda]]**
== doc
  * v2: [[http://www.greenteapress.com/thinkpython/thinkpython.pdf]]
    * [[development:python:thinkpython]]
  * [[https://es.py4e.com/book]]
  * [[https://automatetheboringstuff.com/#toc]]
  * [[https://jakevdp.github.io/PythonDataScienceHandbook/]]
  * gitignore: [[https://github.com/github/gitignore/blob/main/Python.gitignore]]

=== more
==== built-in
  * [[development:python:aberraciones]]
  * [[development:python:strings]]
  * [[development:python:iterables]]
  * [[development:python:typehint]]
  * [[development:python:datetime]]
  * [[development:python:excepciones]]
  * [[development:python:decorators]]
  * [[https://geekflare.com/es/magic-methods-in-python/|magic methods]]
    * [[https://medium.com/@johnidouglasmarangon/using-call-method-to-invoke-class-instance-as-a-function-f61396145567]]
  * [[https://medium.com/@miguel.amezola/demystifying-python-metaclasses-understanding-and-harnessing-the-power-of-custom-class-creation-d7dff7b68de8|metaclases]]
  * [[https://www.freecodecamp.org/espanol/news/expresiones-lambda-en-python/|lambda o funciones anónimas]]

==== librerias
  * [[development:python:from]]
  * [[development:python:pyodbc]]
  * [[development:python:pycurl]]
  * [[development:python:pandas]]
  * [[development:python:bokeh]]

==== otros
  * Tkinter (GUI):
    * [[https://wiki.python.org/moin/TkInter]]
    * <code>sudo apt-get install python python3-tk</code>
  * functools -> cache
  * Microsoft Access/SQL Server (PTE)
    * https://docs.microsoft.com/en-us/sql/connect/python/pyodbc/python-sql-driver-pyodbc?view=sql-server-ver16
    * https://www.codegrepper.com/code-examples/python/how+to+open+mdb+file+in+python


== más
{{topic>python}}