demo-flask.sh

########################################################################
# Script to demonstrate the setup of a workspace; install Flask; and,
# copy examples to workspace.
# 
# This script was written for the Victoria Raspberry PiMakers And Others
# Meetup Group presentation on November 27, 2021.
# 
# Gordon M. Celesta
# gordo@sdf.lonestar.org
# 
# Depends on Demo Magic: https://github.com/paxtonhare/demo-magic
########################################################################
#!/usr/bin/env bash

. demo-magic.sh

TYPE_SPEED=40

DEMO_PROMPT='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '

REPO_DIR=/home/gordo/repos/flaskdemo
PIP_DIR=/home/gordo/.cache/pip

cd "/home/gordo/bin"

if [ -d "$REPO_DIR" ]; then
  rm -rf "$REPO_DIR"
fi

if [ -d "$PIP_DIR" ]; then
  rm -rf "$PIP_DIR"
fi

#clear

########################################################################

p "\n# Verify git, python3, and required modules are installed\n"

pei "dpkg-query -W git python3 python3-pip python3-venv | column -t"

p "\n# Clone repository\n"

pei "git clone https://github.com/va7sdf/vicpimakers-flaskdemos.git $REPO_DIR"

p "\n# Change into this directory\n"

if [ -d $REPO_DIR ]; then
    pei "cd $REPO_DIR"
else
    exit
fi

p "\n# Which python3 is being used?\n"

pei "which python3"

p "\n# Which Python modules are available?\n"

pei "python3 -m pip list"

p "\n# Create a Python virtual environment\n"

pei "python3 -m venv $REPO_DIR/venv"

p "\n# Initialize the virutal environment\n"

pei "source $REPO_DIR/venv/bin/activate"

p "\n# Now, which python3 is being used?\n"

pei "which python3"

p "\n# Now, which Python modules are available?\n"

pei "python3 -m pip list"

p "\n# Install Flask module and dependencies\n"

pei "python3 -m pip install Flask Flask-WTF"

p "\n# Verify Flask was installed\n"

pei "python3 -m pip list"