Install Python

Windows:

1. Download Python:
   • Visit the official Python website at python.org .
   • Navigate to the "Downloads" section.
   • Download the latest version of Python for Windows.
2. Run the Installer:
   • Run the downloaded installer.
   • Check the box that says "Add Python to PATH" during installation.
3. Verify Installation:
   • Open a command prompt and type:

python3 --version

Linux:

1. Install Python:
   • Python is often pre-installed on Linux. To install or update Python, use your package manager:

sudo apt update
sudo apt install python3

1. Verify Installation:
   • Open a terminal and type:

python3 --version

Install and Activate Virtual Environment

Windows:

1. Open a Command Prompt:
   • Open a command prompt or PowerShell.
2. **Install ****virtualenv:**

pip install virtualenv

Create a Virtual Environment:

• Navigate to your project directory.
• Create a virtual environment by running:

python -m venv venv

Activate the Virtual Environment:

• Activate the virtual environment:

  .\venv\Scripts\activate

Linux:

1. Open a Terminal:
   • Open a terminal.
2. **Install ****virtualenv:**

sudo apt install python3-venv

Create a Virtual Environment:

• Navigate to your project directory.
• Create a virtual environment by running:

python3 -m venv venv

Activate the Virtual Environment:

• Activate the virtual environment:

source venv/bin/acivate

Deactivate Virtual Environment

To deactivate the virtual environment, simply run:

Windows and Linux:

deactivate

Installing requirements

pip install -r requirements.txt

Postgres Installation

Windows

1. Download the PostgreSQL installer from the official website.
2. Run the installer and follow the on-screen instructions.
3. During installation, you'll be prompted to set a password for the default postgres user.

Linux

1. Install PostgreSQL using your distribution's package manager. For example, on Ubuntu, you can run:

sudo apt update
sudo apt install postgresql postgresql-contrib

macOS

1. Install PostgreSQL using Homebrew. Run the following command in your terminal:

brew install postgresql

Configuring database

1. After installing PostgreSQL, you can access the PostgreSQL command-line interface (CLI) using the following command:

psql -U postgres

2. Once you are in the PostgreSQL CLI, you can create and setup a new database using the following SQL command:

CREATE DATABASE mydatabase;
CREATE USER myuser WITH PASSWORD 'mypassword';
GRANT ALL PRIVILEGES ON DATABASE mydatabase TO myuser;

Accessing PostgreSQL

Windows

• You can access PostgreSQL using the pgAdmin tool, which is installed along with PostgreSQL on Windows.

Linux and macOS

• Access PostgreSQL using the psql command-line tool:

psql -U myuser -d mydatabase -h localhost -p 5432

Running the backend server

Run the Application:

Webapi:

python console.py webapi serve

• This will serve the webapi on http://127.0.0.1:8000/ or http://localhost:8000/ .
• You should see the webapi application running.

Salesapi:

python console.py salesapi serve

• This will serve the salesapi on http://127.0.0.1:8002/ or http://localhost:8002/ .
• You should see the salesapi application running.

RPC server:

python console.py rpc serve

• This will serve the rpc on http://127.0.0.1:8003/ or http://localhost:8003/ .
• You should see the rpc application running.

Queue worker:

arq webapi.webapi.worker_swarm.general_worker.WorkerSettings

• This will serve the redis Jobqueue for webapi