How to distinguish system doctypes from custom doctypes?

ERPNext
#1

When fetching all doctypes, is there a way to distinguish system doctypes(like User) from user created custom doctypes?

 frappe.get_all('DocType', fields=['*'], filters={'name': 'User'})[0]

 frappe.get_all('DocType', fields=['*'], filters={'name': 'Custom'})[0]

I tried to look at the fields of doctypes but couldn’t find any.

#2

There’s a field called Custom which differentiates standard ones:

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#3

When creating a doctype, if custom field is checked, frappe doesn’t create doctype files(doctype.js, doctype.py etc).

Since these files are needed for customisation, users have to uncheck custom field?

#4

For custom doctype, these customizations can be done using Custom Script and Server Script doctypes.

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#5

Custom doctypes are loaded directly in the Database compared to standard doctypes where the schema is controlled via JSON, and the custom fields go to the db.

Rest is what @pateljannat said.

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#6

Is there a way to distinguish system doctypes(doctypes that are created by erpnext) from user created doctypes(after erpnext installation, users can create their own doctypes)?

#7

These will generally have Administrator has the creator.

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#8

Each doctype must belong to a module, and each module must belong to an app. For non-custom doctypes, you can identify which app a doctype belongs to by fetching module details.

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