Bash scripts to configure develop environment and run main script

install.sh

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+#!/bin/bash
+
+# Get current directory
+this_script_directory=$(cd `dirname $0` && pwd);
+cd "$this_script_directory";
+configuration_file="$this_script_directory/my_config.sh";
+passwords_file="$this_script_directory/ciclopibot/data/passwords.py";
+
+# Create intermediate path for passwords_file, if it does not exist
+mkdir -p "$this_script_directory/ciclopibot/data/";
+
+read -p "Enter a name for your virtual environment
+           " venv_name;
+python3 -m venv "$venv_name";
+"$venv_name"/bin/pip install -r "$this_script_directory/requirements.txt";
+
+# Please note that this will work only in a Unix-like operating system.
+# Other systems may require a different path.
+echo "python_virtual_environment=\"$(pwd)/$venv_name/bin\";" >> "$configuration_file";
+echo "python_script=\"$this_script_directory/ciclopibot/bot.py\";" >> "$configuration_file";
+read -p "Enter a valid Telegram bot token           " bot_token;
+echo "bot_token = \"$bot_token\"" >> $passwords_file;
+
+# Run bot
+bash run_me.sh;

run_me.sh

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+#!/bin/bash
+
+# This file must be executable, otherwise the service cannot run it.
+
+# Run `$python_script` while exit code is 65.
+# At each iteration, pull news from repository and update dependencies.
+
+# Get current directory
+this_script_directory=$(cd `dirname $0` && pwd)
+
+# Import variables from my_config.sh
+#  `$python_virtual_environment`: python virtual environment directory
+#    containing `python` and `pip`
+# `$python_script`: complete path to python script to be run
+source $this_script_directory/my_config.sh;
+
+# Ensure the success of importing procedure:
+## variables of interest should be non-zero (`-z`)
+if [ -z ${python_virtual_environment} ];
+then
+  printf "Please set in \"my_config.sh\" the path to bot python \
+virtual environment\n\
+\n\
+Example:\n\
+python_virtual_environment=\"path/to/virtual/env\"\n\
+";
+  exit;
+fi
+if [ -z ${python_script} ];
+then
+  printf "Please set in \"my_config.sh\" the path to python script to be run \
+\n\
+Example:\n\
+python_script=\"path/to/python/script.py\"\n\
+";
+  exit;
+elif [ ! -e ${python_script} ];
+then
+  printf "File $python_script does not exist\n\
+Please point to a valid file.\n\
+Example:\n\
+python_script=\"path/to/python/script.py\"\n\
+";
+fi
+
+echo "Python script will be run while it exits with value===65.";
+i=65;
+while [ $i -eq 65 ]
+do
+  echo "Pulling from repository..."
+  git pull;
+  echo "Updating dependencies";
+  $python_virtual_environment/pip install --upgrade --no-cache-dir \
+  --no-deps davtelepot;
+  echo "Running python script";
+  $python_virtual_environment/python $python_script;
+  i=$?;
+done