How to detect if ERPNext is installed?

Frappe Framework
1

I am building an app in which I want to allow user to fetch all Items from ERPNext if my App is installed along with ERPNext.

How can I detect presence of ERPNext?

Note: My app is not dependent on ERPNext as it is a standalone app.

2

Is your App a ‘Frappe App’?

3

Just my 2 cents:

frappe.db.exists("Doctype", "Item", cache=True)
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4 
if "app_name" in frappe.get_installed_apps()

replace app_name with erpnext

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