fix chromadb sqlite3 issue

script.sh

#!/bin/bash

# MIT License
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

# Your script starts here

if [ -z $VIRTUAL_ENV ]; then
    echo "create a virtual environment and activate it before running this script"

    python3 -m venv .venv
    source .venv/bin/activate

    #check if chromadb is installed
else
    echo "Virtual environment is activated"
fi

if [ -z "$(pip show chromadb)" ]; then
    echo "Installing chromadb package"
    pip install chromadb
else
    echo "chromadb package is already installed"
fi

if [ -d $VIRTUAL_ENV/lib/python3.*/site-packages/chromadb ]; then
    echo "Using chromadb package within the virtual environment"
    
    # Find the __init__.py file
    cd $VIRTUAL_ENV/lib/python3.*/site-packages/chromadb
    INIT_FILE="__init__.py"

    # check if backup file already exists

    BACKUP_FILE="__init__.bak"

    TEMP_FILE=$(mktemp)

    if [ -z "$TEMP_FILE" ]; then
        echo "TEMP_FILE is not set. Exiting."
        exit 1
    fi

    cat <<EOF > "$TEMP_FILE"
__import__('pysqlite3')
import sys
sys.modules['sqlite3'] = sys.modules.pop('pysqlite3')
EOF

    if [ -z $BACKUP_FILE ]; then  # Backup file exists , this will be the case if the script is run multiple times in order to work with the same file before any changes are made
        echo "Backup file does not exists"

        touch $BACKUP_FILE

        cat $INIT_FILE > $BACKUP_FILE

        cat $BACKUP_FILE >> $TEMP_FILE 

    fi

    cat $BACKUP_FILE >> $TEMP_FILE 
    
    cat $TEMP_FILE > $INIT_FILE

    # Optionally, handle the backup for the chromadb package case if needed
else
    echo "Using default chromadb database"
    # Optionally, handle the backup for the default database case if needed
fi