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frappe-impl-hooks

Implement safe Frappe hooks.py configurations for custom apps.

Updated May 31, 2026
Search Tags:#permissions#extensions#frappe#doc_events#hooks.py#scheduler_events#doctype_js
One-click install
npx skills add https://github.com/anonymousminati/Res-POS --skill frappe-impl-hooks-anonymousminati
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: frappe-impl-hooks
Source: https://github.com/anonymousminati/Res-POS/tree/main/.claude/skills/impl/frappe-impl-hooks
Command: npx skills add https://github.com/anonymousminati/Res-POS --skill frappe-impl-hooks-anonymousminati

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you implement and maintain Frappe hooks.py configurations without breaking transactions, migrations, or multi-app behavior.

Core Features & Use Cases

  • Document lifecycle hooks: Configure doc_events for validate, submit, cancel, and delete workflows on external DocTypes.
  • Scheduled automation: Set up scheduler_events for daily, long-running, or cron-based background jobs.
  • Extension and permission control: Choose between extend_doctype_class, override_doctype_class, permission hooks, boot info injection, fixtures, website hooks, and doctype_js.
  • Use Case: A custom app needs to validate invoices, run nightly cleanup, expose safe client config, and extend an existing DocType while avoiding conflicts with another installed app.

Quick Start

Use this skill to map your Frappe requirement to the correct hook type, then implement the handler with the proper signature and migrate the site after updating hooks.py.

Frequently Asked Questions about frappe-impl-hooks

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I configure Frappe document events for external DocTypes?▼

Frappe document events are configured in hooks.py by mapping external DocTypes to handlers for validate, submit, cancel, and delete workflows. This Skill ensures correct handler signatures and safe execution to prevent transaction failures.

What is the best way to schedule long-running background jobs in Frappe?▼

Scheduling long-running background jobs in Frappe requires using scheduler_events with the long queue selection. This Skill maps your nightly cleanup or cron-based automation requirements to the correct queue to avoid blocking standard processes.

How do I extend a Frappe DocType without causing conflicts with other installed apps?▼

Extending a DocType safely involves choosing between extend_doctype_class and override_doctype_class in hooks.py. This Skill implements conflict-safe patterns across multiple apps, preventing collisions when several custom apps modify the same DocType.

Do I need to run migrations after updating hooks.py?▼

Yes, post-change site migrations are required after updating hooks.py. This Skill enforces necessary migration steps and correct handler signatures to maintain database integrity when applying fixtures, permissions, or DocType extensions.

Can I inject custom JavaScript and boot data into Frappe forms?▼

Yes, custom JavaScript and boot data are injected using doctype_js and boot info hooks in hooks.py. This Skill configures form-specific JavaScript and safe client config exposure without breaking existing Frappe interface elements.

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