Covid-19 Visualization around Namibia

Developing automatic dashboards which allows users to query and customize visualisations with dash and flask

Preparation

• In the project folder, create a folder dataset/raw/ and place your xlsx data files there.

Running the program

NB: Any line that starts with $ indicates that the following text should be executed in the terminal/CMD prompt.

• Open up the Terminal or CMD, navigate to the covidVisuals directory location (replace folder/folder with the correct location) by...

  $ cd folder/folder/covidVisuals
  

• Install pip3

  # Linux
  $ sudo apt-get install python3-pip
  

• Install virtualenv

  # Linux
  $ sudo apt-get install virtualenv
  
  # Mac OS
  $ sudo -H pip install virtualenv
  
  # Windows
  $ pip install virtualenv
  

• Create a virtual environment

  # Mac OS / Linux
  $ virtualenv -p python3 venv
  
  # Windows
  $ python3 -mvenv venv
  

• Activate the environment

  # Mac OS / Linux
  $ source venv/bin/activate
  
  # Windows
  $ venv\Scripts\activate
  

• Install the requirements.txt

  # openpyxl is a dependency for Pandas
  $ pip install openpyxl
  
  # Mac OS / Linux
  $ pip3 install -r requirements.txt
  
  # Windows
  $ python3 -m pip install -r requirements.txt
  

• Run the script...

  $ python3 app.py
  

• Click the localhost link to view the webpage

Installing or updating packages

• Go to folder

  $ cd folder/folder/covidVisuals
  

• Activate env

  # Mac OS
  $ source venv/bin/activate
  
  # Windows
  $ venv\Scripts\activate
  

• Install or update package

  # specific command
  

• Update requirements.txt

  $ pip freeze > requirements.txt
  

Resources

Inspiration

• https://realpython.com/python-dash/

Deploying to heroku

• https://www.youtube.com/watch?v=b-M2KQ6_bM4&ab_channel=CharmingData
• https://github.com/Coding-with-Adam/Dash-by-Plotly/tree/master/Deploy_App_to_Web/Heroku_App