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<!DOCTYPE html>
<html class="no-js" lang="en">
<head>
<meta charset="utf-8"/>
<meta content="width=device-width,initial-scale=1" name="viewport"/>
<meta content="Ready-to-use and customizable users management for FastAPI" name="description"/>
<link href="../../favicon.png" rel="icon"/>
<meta content="mkdocs-1.2.2, mkdocs-material-7.2.7" name="generator"/>
<title>UserManager - FastAPI Users</title>
<link href="../../assets/stylesheets/main.3c7cdd75.min.css" rel="stylesheet"/>
<link href="../../assets/stylesheets/palette.3f5d1f46.min.css" rel="stylesheet"/>
<link crossorigin="" href="https://fonts.gstatic.com" rel="preconnect"/>
<link href="https://fonts.googleapis.com/css?family=Roboto:300,400,400i,700%7CRoboto+Mono&amp;display=fallback" rel="stylesheet"/>
<style>:root{--md-text-font-family:"Roboto";--md-code-font-family:"Roboto Mono"}</style>
</head>
<body data-md-color-accent="red" data-md-color-primary="red" data-md-color-scheme="default" dir="ltr">
<script>function __prefix(e){return new URL("../..",location).pathname+"."+e}function __get(e,t=localStorage){return JSON.parse(t.getItem(__prefix(e)))}</script>
<script>var palette=__get("__palette");if(null!==palette&&"object"==typeof palette.color)for(var key in palette.color)document.body.setAttribute("data-md-color-"+key,palette.color[key])</script>
<input autocomplete="off" class="md-toggle" data-md-toggle="drawer" id="__drawer" type="checkbox"/>
<input autocomplete="off" class="md-toggle" data-md-toggle="search" id="__search" type="checkbox"/>
<label class="md-overlay" for="__drawer"></label>
<div data-md-component="skip">
<a class="md-skip" href="#usermanager">
Skip to content
</a>
</div>
<div data-md-component="announce">
</div>
<header class="md-header" data-md-component="header">
<nav aria-label="Header" class="md-header__inner md-grid">
<a aria-label="FastAPI Users" class="md-header__button md-logo" data-md-component="logo" href="../.." title="FastAPI Users">
<svg viewbox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M16.5 12A2.5 2.5 0 0 0 19 9.5 2.5 2.5 0 0 0 16.5 7 2.5 2.5 0 0 0 14 9.5a2.5 2.5 0 0 0 2.5 2.5M9 11a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m7.5 3c-1.83 0-5.5.92-5.5 2.75V19h11v-2.25c0-1.83-3.67-2.75-5.5-2.75M9 13c-2.33 0-7 1.17-7 3.5V19h7v-2.25c0-.85.33-2.34 2.37-3.47C10.5 13.1 9.66 13 9 13z"></path></svg>
</a>
<label class="md-header__button md-icon" for="__drawer">
<svg viewbox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M3 6h18v2H3V6m0 5h18v2H3v-2m0 5h18v2H3v-2z"></path></svg>
</label>
<div class="md-header__title" data-md-component="header-title">
<div class="md-header__ellipsis">
<div class="md-header__topic">
<span class="md-ellipsis">
FastAPI Users
</span>
</div>
<div class="md-header__topic" data-md-component="header-topic">
<span class="md-ellipsis">
UserManager
</span>
</div>
</div>
</div>
<form class="md-header__option" data-md-component="palette">
<input aria-label="Switch to dark mode" class="md-option" data-md-color-accent="red" data-md-color-media="" data-md-color-primary="red" data-md-color-scheme="default" id="__palette_1" name="__palette" type="radio"/>
<label class="md-header__button md-icon" for="__palette_2" hidden="" title="Switch to dark mode">
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<label class="md-header__button md-icon" for="__palette_1" hidden="" title="Switch to light mode">
<svg viewbox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2a7 7 0 0 1 7 7c0 2.38-1.19 4.47-3 5.74V17a1 1 0 0 1-1 1H9a1 1 0 0 1-1-1v-2.26C6.19 13.47 5 11.38 5 9a7 7 0 0 1 7-7M9 21v-1h6v1a1 1 0 0 1-1 1h-4a1 1 0 0 1-1-1m3-17a5 5 0 0 0-5 5c0 2.05 1.23 3.81 3 4.58V16h4v-2.42c1.77-.77 3-2.53 3-4.58a5 5 0 0 0-5-5z"></path></svg>
</label>
</form>
<label class="md-header__button md-icon" for="__search">
<svg viewbox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M9.5 3A6.5 6.5 0 0 1 16 9.5c0 1.61-.59 3.09-1.56 4.23l.27.27h.79l5 5-1.5 1.5-5-5v-.79l-.27-.27A6.516 6.516 0 0 1 9.5 16 6.5 6.5 0 0 1 3 9.5 6.5 6.5 0 0 1 9.5 3m0 2C7 5 5 7 5 9.5S7 14 9.5 14 14 12 14 9.5 12 5 9.5 5z"></path></svg>
</label>
<div class="md-search" data-md-component="search" role="dialog">
<label class="md-search__overlay" for="__search"></label>
<div class="md-search__inner" role="search">
<form class="md-search__form" name="search">
<input aria-label="Search" autocapitalize="off" autocomplete="off" autocorrect="off" class="md-search__input" data-md-component="search-query" name="query" placeholder="Search" required="" spellcheck="false" type="text"/>
<label class="md-search__icon md-icon" for="__search">
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</label>
<nav aria-label="Search" class="md-search__options">
<button aria-label="Clear" class="md-search__icon md-icon" tabindex="-1" type="reset">
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</button>
</nav>
</form>
<div class="md-search__output">
<div class="md-search__scrollwrap" data-md-scrollfix="">
<div class="md-search-result" data-md-component="search-result">
<div class="md-search-result__meta">
Initializing search
</div>
<ol class="md-search-result__list"></ol>
</div>
</div>
</div>
</div>
</div>
<div class="md-header__source">
<a class="md-source" data-md-component="source" href="https://github.com/fastapi-users/fastapi-users" title="Go to repository">
<div class="md-source__icon md-icon">
<svg viewbox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"></path></svg>
</div>
<div class="md-source__repository">
frankie567/fastapi-users
</div>
</a>
</div>
</nav>
</header>
<div class="md-container" data-md-component="container">
<main class="md-main" data-md-component="main">
<div class="md-main__inner md-grid">
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<div class="md-sidebar__inner">
<nav aria-label="Navigation" class="md-nav md-nav--primary" data-md-level="0">
<label class="md-nav__title" for="__drawer">
<a aria-label="FastAPI Users" class="md-nav__button md-logo" data-md-component="logo" href="../.." title="FastAPI Users">
<svg viewbox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M16.5 12A2.5 2.5 0 0 0 19 9.5 2.5 2.5 0 0 0 16.5 7 2.5 2.5 0 0 0 14 9.5a2.5 2.5 0 0 0 2.5 2.5M9 11a3 3 0 0 0 3-3 3 3 0 0 0-3-3 3 3 0 0 0-3 3 3 3 0 0 0 3 3m7.5 3c-1.83 0-5.5.92-5.5 2.75V19h11v-2.25c0-1.83-3.67-2.75-5.5-2.75M9 13c-2.33 0-7 1.17-7 3.5V19h7v-2.25c0-.85.33-2.34 2.37-3.47C10.5 13.1 9.66 13 9 13z"></path></svg>
</a>
FastAPI Users
</label>
<div class="md-nav__source">
<a class="md-source" data-md-component="source" href="https://github.com/fastapi-users/fastapi-users" title="Go to repository">
<div class="md-source__icon md-icon">
<svg viewbox="0 0 448 512" xmlns="http://www.w3.org/2000/svg"><path d="M439.55 236.05 244 40.45a28.87 28.87 0 0 0-40.81 0l-40.66 40.63 51.52 51.52c27.06-9.14 52.68 16.77 43.39 43.68l49.66 49.66c34.23-11.8 61.18 31 35.47 56.69-26.49 26.49-70.21-2.87-56-37.34L240.22 199v121.85c25.3 12.54 22.26 41.85 9.08 55a34.34 34.34 0 0 1-48.55 0c-17.57-17.6-11.07-46.91 11.25-56v-123c-20.8-8.51-24.6-30.74-18.64-45L142.57 101 8.45 235.14a28.86 28.86 0 0 0 0 40.81l195.61 195.6a28.86 28.86 0 0 0 40.8 0l194.69-194.69a28.86 28.86 0 0 0 0-40.81z"></path></svg>
</div>
<div class="md-source__repository">
frankie567/fastapi-users
</div>
</a>
</div>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../..">
About
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../installation/">
Installation
</a>
</li>
<li class="md-nav__item md-nav__item--active md-nav__item--nested">
<input checked="" class="md-nav__toggle md-toggle" data-md-toggle="__nav_3" id="__nav_3" type="checkbox"/>
<label class="md-nav__link" for="__nav_3">
Configuration
<span class="md-nav__icon md-icon"></span>
</label>
<nav aria-label="Configuration" class="md-nav" data-md-level="1">
<label class="md-nav__title" for="__nav_3">
<span class="md-nav__icon md-icon"></span>
Configuration
</label>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../overview/">
Overview
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../models/">
Models
</a>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_3" id="__nav_3_3" type="checkbox"/>
<label class="md-nav__link" for="__nav_3_3">
Database adapters
<span class="md-nav__icon md-icon"></span>
</label>
<nav aria-label="Database adapters" class="md-nav" data-md-level="2">
<label class="md-nav__title" for="__nav_3_3">
<span class="md-nav__icon md-icon"></span>
Database adapters
</label>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../databases/sqlalchemy/">
SQLAlchemy
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../databases/mongodb/">
MongoDB
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../databases/tortoise/">
Tortoise ORM
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../databases/ormar/">
Ormar
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_4" id="__nav_3_4" type="checkbox"/>
<label class="md-nav__link" for="__nav_3_4">
Authentication backends
<span class="md-nav__icon md-icon"></span>
</label>
<nav aria-label="Authentication backends" class="md-nav" data-md-level="2">
<label class="md-nav__title" for="__nav_3_4">
<span class="md-nav__icon md-icon"></span>
Authentication backends
</label>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../authentication/">
Introduction
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../authentication/jwt/">
JWT
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../authentication/cookie/">
Cookie
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--active">
<input class="md-nav__toggle md-toggle" data-md-toggle="toc" id="__toc" type="checkbox"/>
<label class="md-nav__link md-nav__link--active" for="__toc">
UserManager
<span class="md-nav__icon md-icon"></span>
</label>
<a class="md-nav__link md-nav__link--active" href="./">
UserManager
</a>
<nav aria-label="Table of contents" class="md-nav md-nav--secondary">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="#create-your-usermanager-class">
Create your UserManager class
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#create-get_user_manager-dependency">
Create get_user_manager dependency
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#customize-attributes-and-methods">
Customize attributes and methods
</a>
<nav aria-label="Customize attributes and methods" class="md-nav">
<ul class="md-nav__list">
<li class="md-nav__item">
<a class="md-nav__link" href="#attributes">
Attributes
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#methods">
Methods
</a>
<nav aria-label="Methods" class="md-nav">
<ul class="md-nav__list">
<li class="md-nav__item">
<a class="md-nav__link" href="#validate_password">
validate_password
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_register">
on_after_register
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_update">
on_after_update
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_request_verify">
on_after_request_verify
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_verify">
on_after_verify
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_forgot_password">
on_after_forgot_password
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_reset_password">
on_after_reset_password
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_6" id="__nav_3_6" type="checkbox"/>
<label class="md-nav__link" for="__nav_3_6">
Routers
<span class="md-nav__icon md-icon"></span>
</label>
<nav aria-label="Routers" class="md-nav" data-md-level="2">
<label class="md-nav__title" for="__nav_3_6">
<span class="md-nav__icon md-icon"></span>
Routers
</label>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../routers/">
Introduction
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../routers/auth/">
Auth router
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../routers/register/">
Register routes
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../routers/verify/">
Verify router
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../routers/reset/">
Reset password router
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../routers/users/">
Users router
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../full-example/">
Full example
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../oauth/">
OAuth2
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_4" id="__nav_4" type="checkbox"/>
<label class="md-nav__link" for="__nav_4">
Usage
<span class="md-nav__icon md-icon"></span>
</label>
<nav aria-label="Usage" class="md-nav" data-md-level="1">
<label class="md-nav__title" for="__nav_4">
<span class="md-nav__icon md-icon"></span>
Usage
</label>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../../usage/flow/">
Flow
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../usage/routes/">
Routes
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../usage/current-user/">
Get current user
</a>
</li>
</ul>
</nav>
</li>
<li class="md-nav__item md-nav__item--nested">
<input class="md-nav__toggle md-toggle" data-md-toggle="__nav_5" id="__nav_5" type="checkbox"/>
<label class="md-nav__link" for="__nav_5">
Migration
<span class="md-nav__icon md-icon"></span>
</label>
<nav aria-label="Migration" class="md-nav" data-md-level="1">
<label class="md-nav__title" for="__nav_5">
<span class="md-nav__icon md-icon"></span>
Migration
</label>
<ul class="md-nav__list" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/08_to_1x/">
0.8.x ➡️ 1.x.x
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/1x_to_2x/">
1.x.x ➡️ 2.x.x
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/2x_to_3x/">
2.x.x ➡️ 3.x.x
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/3x_to_4x/">
3.x.x ➡️ 4.x.x
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/4x_to_5x/">
4.x.x ➡️ 5.x.x
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/6x_to_7x/">
6.x.x ➡️ 7.x.x
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="../../migration/7x_to_8x/">
7.x.x ➡️ 8.x.x
</a>
</li>
</ul>
</nav>
</li>
</ul>
</nav>
</div>
</div>
</div>
<div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc">
<div class="md-sidebar__scrollwrap">
<div class="md-sidebar__inner">
<nav aria-label="Table of contents" class="md-nav md-nav--secondary">
<label class="md-nav__title" for="__toc">
<span class="md-nav__icon md-icon"></span>
Table of contents
</label>
<ul class="md-nav__list" data-md-component="toc" data-md-scrollfix="">
<li class="md-nav__item">
<a class="md-nav__link" href="#create-your-usermanager-class">
Create your UserManager class
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#create-get_user_manager-dependency">
Create get_user_manager dependency
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#customize-attributes-and-methods">
Customize attributes and methods
</a>
<nav aria-label="Customize attributes and methods" class="md-nav">
<ul class="md-nav__list">
<li class="md-nav__item">
<a class="md-nav__link" href="#attributes">
Attributes
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#methods">
Methods
</a>
<nav aria-label="Methods" class="md-nav">
<ul class="md-nav__list">
<li class="md-nav__item">
<a class="md-nav__link" href="#validate_password">
validate_password
</a>
</li>
<li class="md-nav__item">
<a class="md-nav__link" href="#on_after_register">
on_after_register
</a>
</li>
<li class="md-nav__item">
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on_after_update
</a>
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on_after_request_verify
</a>
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<a class="md-nav__link" href="#on_after_verify">
on_after_verify
</a>
</li>
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<a class="md-nav__link" href="#on_after_forgot_password">
on_after_forgot_password
</a>
</li>
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<a class="md-nav__link" href="#on_after_reset_password">
on_after_reset_password
</a>
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<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<h1 id="usermanager">UserManager<a class="headerlink" href="#usermanager" title="Permanent link"></a></h1>
<p>The <code>UserManager</code> class is the core logic of FastAPI Users. We provide the <code>BaseUserManager</code> class which you should extend to set some parameters and define logic, for example when a user just registered or forgot its password.</p>
<p>It's designed to be easily extensible and customizable so that you can integrate less generic logic.</p>
<h2 id="create-your-usermanager-class">Create your <code>UserManager</code> class<a class="headerlink" href="#create-your-usermanager-class" title="Permanent link"></a></h2>
<p>You should define your own version of the <code>UserManager</code> class to set various parameters.</p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Optional</span>
<span class="kn">from</span> <span class="nn">fastapi</span> <span class="kn">import</span> <span class="n">Depends</span><span class="p">,</span> <span class="n">Request</span>
<span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="kn">from</span> <span class="nn">.db</span> <span class="kn">import</span> <span class="n">get_user_db</span>
<span class="kn">from</span> <span class="nn">.models</span> <span class="kn">import</span> <span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span>
<span class="n">SECRET</span> <span class="o">=</span> <span class="s2">"SECRET"</span>
<span class="hll"><span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
</span><span class="hll"> <span class="n">user_db_model</span> <span class="o">=</span> <span class="n">UserDB</span>
</span><span class="hll"> <span class="n">reset_password_token_secret</span> <span class="o">=</span> <span class="n">SECRET</span>
</span><span class="hll"> <span class="n">verification_token_secret</span> <span class="o">=</span> <span class="n">SECRET</span>
</span><span class="hll">
</span><span class="hll"> <span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_register</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
</span><span class="hll"> <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has registered."</span><span class="p">)</span>
</span><span class="hll">
</span><span class="hll"> <span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_forgot_password</span><span class="p">(</span>
</span><span class="hll"> <span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
</span><span class="hll"> <span class="p">):</span>
</span><span class="hll"> <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has forgot their password. Reset token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
</span><span class="hll">
</span><span class="hll"> <span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_request_verify</span><span class="p">(</span>
</span><span class="hll"> <span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
</span><span class="hll"> <span class="p">):</span>
</span><span class="hll"> <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Verification requested for user </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">. Verification token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
</span>
<span class="k">def</span> <span class="nf">get_user_manager</span><span class="p">(</span><span class="n">user_db</span><span class="o">=</span><span class="n">Depends</span><span class="p">(</span><span class="n">get_user_db</span><span class="p">)):</span>
<span class="k">yield</span> <span class="n">UserManager</span><span class="p">(</span><span class="n">user_db</span><span class="p">)</span>
</code></pre></div>
<p>As you can see, you have to define here various attributes and methods. You can find the complete list of those below.</p>
<h2 id="create-get_user_manager-dependency">Create <code>get_user_manager</code> dependency<a class="headerlink" href="#create-get_user_manager-dependency" title="Permanent link"></a></h2>
<p>The <code>UserManager</code> class will be injected at runtime using a FastAPI dependency. This way, you can run it in a database session or swap it with a mock during testing.</p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">typing</span> <span class="kn">import</span> <span class="n">Optional</span>
<span class="kn">from</span> <span class="nn">fastapi</span> <span class="kn">import</span> <span class="n">Depends</span><span class="p">,</span> <span class="n">Request</span>
<span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="kn">from</span> <span class="nn">.db</span> <span class="kn">import</span> <span class="n">get_user_db</span>
<span class="kn">from</span> <span class="nn">.models</span> <span class="kn">import</span> <span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span>
<span class="n">SECRET</span> <span class="o">=</span> <span class="s2">"SECRET"</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="n">user_db_model</span> <span class="o">=</span> <span class="n">UserDB</span>
<span class="n">reset_password_token_secret</span> <span class="o">=</span> <span class="n">SECRET</span>
<span class="n">verification_token_secret</span> <span class="o">=</span> <span class="n">SECRET</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_register</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has registered."</span><span class="p">)</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_forgot_password</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has forgot their password. Reset token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_request_verify</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Verification requested for user </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">. Verification token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
<span class="hll"><span class="k">def</span> <span class="nf">get_user_manager</span><span class="p">(</span><span class="n">user_db</span><span class="o">=</span><span class="n">Depends</span><span class="p">(</span><span class="n">get_user_db</span><span class="p">)):</span>
</span><span class="hll"> <span class="k">yield</span> <span class="n">UserManager</span><span class="p">(</span><span class="n">user_db</span><span class="p">)</span>
</span></code></pre></div>
<p>Notice that we use the <code>get_user_db</code> dependency we defined earlier to inject the database instance.</p>
<h2 id="customize-attributes-and-methods">Customize attributes and methods<a class="headerlink" href="#customize-attributes-and-methods" title="Permanent link"></a></h2>
<h3 id="attributes">Attributes<a class="headerlink" href="#attributes" title="Permanent link"></a></h3>
<ul>
<li><code>user_db_model</code>: Pydantic model of a DB representation of a user.</li>
<li><code>reset_password_token_secret</code>: Secret to encode reset password token. <strong>Use a strong passphrase and keep it secure.</strong></li>
<li><code>reset_password_token_lifetime_seconds</code>: Lifetime of reset password token. Defaults to 3600.</li>
<li><code>reset_password_token_audience</code>: JWT audience of reset password token. Defaults to <code>fastapi-users:reset</code>.</li>
<li><code>verification_token_secret</code>: Secret to encode verification token. <strong>Use a strong passphrase and keep it secure.</strong></li>
<li><code>verification_token_lifetime_seconds</code>: Lifetime of verification token. Defaults to 3600.</li>
<li><code>verification_token_audience</code>: JWT audience of verification token. Defaults to <code>fastapi-users:verify</code>.</li>
</ul>
<h3 id="methods">Methods<a class="headerlink" href="#methods" title="Permanent link"></a></h3>
<h4 id="validate_password"><code>validate_password</code><a class="headerlink" href="#validate_password" title="Permanent link"></a></h4>
<p>Validate a password.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>password</code> (<code>str</code>): the password to validate.</li>
<li><code>user</code> (<code>Union[UserCreate, User]</code>): user model which we are currently validating the password. Useful if you want to check that the password doesn't contain the name or the birthdate of the user for example.</li>
</ul>
<p><strong>Output</strong></p>
<p>This function should return <code>None</code> if the password is valid or raise <code>InvalidPasswordException</code> if not. This exception expects an argument <code>reason</code> telling why the password is invalid. It'll be part of the error response.</p>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span><span class="p">,</span> <span class="n">InvalidPasswordException</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">validate_password</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span>
<span class="n">password</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span>
<span class="n">user</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">],</span>
<span class="p">)</span> <span class="o">-&gt;</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">password</span><span class="p">)</span> <span class="o">&lt;</span> <span class="mi">8</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">InvalidPasswordException</span><span class="p">(</span>
<span class="n">reason</span><span class="o">=</span><span class="s2">"Password should be at least 8 characters"</span>
<span class="p">)</span>
<span class="k">if</span> <span class="n">user</span><span class="o">.</span><span class="n">email</span> <span class="ow">in</span> <span class="n">password</span><span class="p">:</span>
<span class="k">raise</span> <span class="n">InvalidPasswordException</span><span class="p">(</span>
<span class="n">reason</span><span class="o">=</span><span class="s2">"Password should not contain e-mail"</span>
<span class="p">)</span>
</code></pre></div>
<h4 id="on_after_register"><code>on_after_register</code><a class="headerlink" href="#on_after_register" title="Permanent link"></a></h4>
<p>Perform logic after successful user registration.</p>
<p>Typically, you'll want to <strong>send a welcome e-mail</strong> or add it to your marketing analytics pipeline.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>user</code> (<code>UserDB</code>): the registered user.</li>
<li><code>request</code> (<code>Optional[Request]</code>): optional FastAPI request object that triggered the operation. Defaults to None.</li>
</ul>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_register</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has registered."</span><span class="p">)</span>
</code></pre></div>
<h4 id="on_after_update"><code>on_after_update</code><a class="headerlink" href="#on_after_update" title="Permanent link"></a></h4>
<p>Perform logic after successful user update.</p>
<p>It may be useful, for example, if you wish to update your user in a data analytics or customer success platform.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>user</code> (<code>UserDB</code>): the updated user.</li>
<li><code>update_dict</code> (<code>Dict[str, Any]</code>): dictionary with the updated user fields.</li>
<li><code>request</code> (<code>Optional[Request]</code>): optional FastAPI request object that triggered the operation. Defaults to None.</li>
</ul>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_update</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span>
<span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span>
<span class="n">update_dict</span><span class="p">:</span> <span class="n">Dict</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="n">Any</span><span class="p">],</span>
<span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span>
<span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has been updated with </span><span class="si">{</span><span class="n">update_dict</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span>
</code></pre></div>
<h4 id="on_after_request_verify"><code>on_after_request_verify</code><a class="headerlink" href="#on_after_request_verify" title="Permanent link"></a></h4>
<p>Perform logic after successful verification request.</p>
<p>Typically, you'll want to <strong>send an e-mail</strong> with the link (and the token) that allows the user to verify their e-mail.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>user</code> (<code>UserDB</code>): the user to verify.</li>
<li><code>token</code> (<code>str</code>): the verification token.</li>
<li><code>request</code> (<code>Optional[Request]</code>): optional FastAPI request object that triggered the operation. Defaults to None.</li>
</ul>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_request_verify</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Verification requested for user </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2">. Verification token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
</code></pre></div>
<h4 id="on_after_verify"><code>on_after_verify</code><a class="headerlink" href="#on_after_verify" title="Permanent link"></a></h4>
<p>Perform logic after successful user verification.</p>
<p>This may be useful if you wish to send another e-mail or store this information in a data analytics or customer success platform.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>user</code> (<code>UserDB</code>): the verified user.</li>
<li><code>request</code> (<code>Optional[Request]</code>): optional FastAPI request object that triggered the operation. Defaults to None.</li>
</ul>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_request_verify</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has been verified"</span><span class="p">)</span>
</code></pre></div>
<h4 id="on_after_forgot_password"><code>on_after_forgot_password</code><a class="headerlink" href="#on_after_forgot_password" title="Permanent link"></a></h4>
<p>Perform logic after successful forgot password request.</p>
<p>Typically, you'll want to <strong>send an e-mail</strong> with the link (and the token) that allows the user to reset their password.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>user</code> (<code>UserDB</code>): the user that forgot its password.</li>
<li><code>token</code> (<code>str</code>): the forgot password token</li>
<li><code>request</code> (<code>Optional[Request]</code>): optional FastAPI request object that triggered the operation. Defaults to None.</li>
</ul>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_request_verify</span><span class="p">(</span>
<span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">token</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span>
<span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has forgot their password. Reset token: </span><span class="si">{</span><span class="n">token</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span>
</code></pre></div>
<h4 id="on_after_reset_password"><code>on_after_reset_password</code><a class="headerlink" href="#on_after_reset_password" title="Permanent link"></a></h4>
<p>Perform logic after successful password reset.</p>
<p>For example, you may want to <strong>send an e-mail</strong> to the concerned user to warn him that their password has been changed and that they should take action if they think they have been hacked.</p>
<p><strong>Arguments</strong></p>
<ul>
<li><code>user</code> (<code>UserDB</code>): the user that reset its password.</li>
<li><code>request</code> (<code>Optional[Request]</code>): optional FastAPI request object that triggered the operation. Defaults to None.</li>
</ul>
<p><strong>Example</strong></p>
<div class="highlight"><pre><span></span><code><span class="kn">from</span> <span class="nn">fastapi_users</span> <span class="kn">import</span> <span class="n">BaseUserManager</span>
<span class="k">class</span> <span class="nc">UserManager</span><span class="p">(</span><span class="n">BaseUserManager</span><span class="p">[</span><span class="n">UserCreate</span><span class="p">,</span> <span class="n">UserDB</span><span class="p">]):</span>
<span class="c1"># ...</span>
<span class="k">async</span> <span class="k">def</span> <span class="nf">on_after_reset_password</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">user</span><span class="p">:</span> <span class="n">UserDB</span><span class="p">,</span> <span class="n">request</span><span class="p">:</span> <span class="n">Optional</span><span class="p">[</span><span class="n">Request</span><span class="p">]</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">"User </span><span class="si">{</span><span class="n">user</span><span class="o">.</span><span class="n">id</span><span class="si">}</span><span class="s2"> has reset their password."</span><span class="p">)</span>
</code></pre></div>
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