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This comprehensive PDF tutorial on Odoo ERP development covers essential concepts and hands-on exercises for creating customized business solutions. Learn how to utilize the powerful features of Odoo to streamline business processes and drive efficiency.

Odoo is a powerful ERP software that offers a wide range of features and functionalities to help businesses streamline their processes and improve efficiency. With Odoo, you can manage various aspects of your business such as inventory, sales, finances, customer relationship management, and more all in one place.

Developing custom modules and apps for Odoo can help businesses tailor the software to their specific needs and requirements. In this tutorial, we will explore how you can develop your own custom modules for Odoo and create a PDF file as a report.

Setting up your development environment

Before you can start developing custom modules for Odoo, you need to set up your development environment. To do this, you will need to install Odoo on your local machine. You can follow the official Odoo documentation to install Odoo on your machine.

Once you have Odoo installed, you can start creating your custom modules. To do this, you will need to create a new Odoo module directory in the addons folder of your Odoo installation. You can do this by running the following command in your terminal:

$ mkdir my_module

After creating the directory for your custom module, you will need to create a manifest file for your module. This file will contain information about your module such as its name, version, and dependencies. You can create a manifest file by creating a file named __manifest__.py in the root of your module directory. Here is an example of what a manifest file might look like:

{
'name': 'My Custom Module',
'version': '1.0',
'depends': ['base'],
'author': 'Your Name',
'category': 'Custom',
'description': 'A custom module for Odoo',
}

Creating a PDF report in Odoo

Now that you have set up your development environment and created a custom module for Odoo, you can start developing a PDF report. In this tutorial, we will create a simple PDF report that displays a list of products from the Odoo database in a PDF file.

To create a PDF report in Odoo, you will need to define a new report model in your custom module. You can do this by creating a new Python class that inherits from the odoo.models.AbstractModel class. This class will define the structure of your report and how it is generated. Here is an example of what a report model might look like:

class ProductReport(models.AbstractModel):
_name = 'product.report'
_description = 'Product Report'

def generate_report(self):
products = self.env['product.product'].search([])

data = {
'products': products,
}

return self.env.ref('my_module.product_report_template').report_action(self, data=data)

In this example, we define a new report model called ProductReport. The generate_report method fetches all products from the product.product model and passes them to a template called product_report_template. This template will define the layout and formatting of our PDF report.

Next, you will need to create a new Qweb template for your PDF report. Qweb is a templating engine that allows you to create dynamic HTML and PDF templates in Odoo. You can create a Qweb template file in the views folder of your custom module. Here is an example of what a Qweb template for our product report might look like:



In this template, we use the t-foreach directive to loop through each product in the products list passed from our report model. We then display the name and price of each product in a div element.

Generating the PDF report

To generate the PDF report, you will need to create an action in your Odoo module that calls the generate_report method of your report model. You can do this by defining a new action in the actions folder of your custom module. Here is an example of what an action might look like:


Product Report

code

action = env['product.report'].generate_report()



In this action, we define a new server action called action_product_report that calls the generate_report method of our report model. This action will generate the PDF report when triggered.

Finally, you will need to add a menu item to your Odoo instance that links to the action for generating the PDF report. You can do this by defining a new menu item in the menu.xml file of your custom module. Here is an example of what a menu item might look like:



In this menu item, we define a new menu item called Product Report that links to the action_product_report action we defined earlier.

Conclusion

In this tutorial, we explored how you can develop custom modules for Odoo and create a PDF report using Qweb templates. By following the steps outlined in this tutorial, you can create custom reports for your Odoo instance that meet your specific requirements. Developing custom modules and reports for Odoo can help businesses optimize their processes and improve the efficiency of their operations.