add install scripts

chromedriver-install.sh

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+#!/bin/sh
+# download and install latest geckodriver for linux or mac.
+# required for selenium to drive a firefox browser.
+
+install_dir="/usr/local/bin"
+version=$(wget -qO- https://chromedriver.storage.googleapis.com/LATEST_RELEASE)
+if [[ $(uname) == "Darwin" ]]; then
+    url=https://chromedriver.storage.googleapis.com/$version/chromedriver_mac64.zip
+elif [[ $(uname) == "Linux" ]]; then
+    url=https://chromedriver.storage.googleapis.com/$version/chromedriver_linux64.zip
+else
+    echo "can't determine OS"
+    exit 1
+fi
+echo "url => $url"
+curl -o chromedriver.zip "$url"
+unzip chromedriver.zip
+rm -f chromedriver.zip
+chmod +x chromedriver
+sudo mv chromedriver "$install_dir"
+echo "installed chromedriver binary in $install_dir"

geckodriver-install.sh

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+#!/bin/sh
+# download and install latest geckodriver for linux or mac.
+# required for selenium to drive a firefox browser.
+
+install_dir="/usr/local/bin"
+
+# fetch latest version download url
+json=$(curl -s https://api.github.com/repos/mozilla/geckodriver/releases/latest)
+if [[ $(uname) == "Darwin" ]]; then
+    url=$(echo "$json" | jq -r '.assets[].browser_download_url | select(contains("macos"))')
+elif [[ $(uname) == "Linux" ]]; then
+    url=$(echo "$json" | jq -r '.assets[].browser_download_url | select(contains("linux64"))')
+else
+    echo "can't determine OS"
+    exit 1
+fi
+
+# if you don't wanna use the latest version
+# you can also comment out the section to get the latest version
+# and set $url as tested version
+
+# $url = https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-linux64.tar.gz #set $url as tested version
+sudo curl -s -L "$url" | tar -xz
+sudo chmod +x geckodriver
+sudo mv geckodriver "$install_dir"
+echo "installed geckodriver binary in $install_dir"

install.sh

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+#!/bin/bash
+sudo apt update
+sudo apt install python3-pip curl jq -y
+sudo pip3 install -r requirements.txt # install python3 dependency packages
+# ===== Ubuntu 18.04 LTS need this =====
+sudo curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
+sudo python3 get-pip.py --force-reinstall
+sudo rm get-pip.py # remove it after re-install
+# ======================================
+
+# fetch from https://gist.github.com/diemol/635f450672b5bf80420d595ca0016d20
+#sudo bash geckodriver-install.sh
+#sudo bash chromedriver-install.sh

requirements.txt

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+selenium
+requests