django-gravatar 使用用户信息生成头像（gravatar 加速）

django zhuoyuebiji -- 2019-10-18 14:34 other

django-gravatar

A lightweight django-gravatar app. Includes helper methods for interacting with gravatars outside of template code.

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Features

Helper methods for constructing a gravatar url and checking an email for an existing gravatar
Templatetags for generating a gravatar url or gravatar <img> tag.
Full test suite!

Installing

Install from PyPi:

You can pip install the app directly from GitHub:

$ pip install git+git://github.com/twaddington/django-gravatar.git#egg=DjangoGravatar

Alternatively, you can now install directly from PyPi!

$ pip install django-gravatar2

Make sure you install django-gravatar2 as there are several other incompatible django-gravatar libraries available.

Add django_gravatar to your INSTALLED_APPS in settings.py:

INSTALLED_APPS = (
    # ...
    'django_gravatar',
)

# django-gravatar
'''
头像风格类型
404：如果没有任何图像与电子邮件哈希无关，则不加载任何图像，而是返回HTTP 404（找不到文件）响应
mp：（神秘人物）一个人的简单卡通风格的轮廓（不随电子邮件哈希值而变化）
identicon：基于电子邮件哈希的几何图案
monsterid：生成的具有不同颜色，面孔等的“怪物”
wavatar：生成的具有不同特征和背景的面孔
retro：生成的令人敬畏的8位街机风格像素化面孔
robohash：具有不同颜色，面部等的生成的机器人
blank：透明的PNG图像（以下为演示目的添加到HTML的边框）
'''
GRAVATAR_DEFAULT_IMAGE = "wavatar"  # 头像风格，一定要填，不填就是默认的头像
GRAVATAR_DEFAULT_SIZE = 48  # 头像大小
GRAVATAR_DEFAULT_SECURE = True  # If True use https, otherwise plain http
GRAVATAR_URL = "http://sdn.geekzu.org/"  # Gravatar http 头像加速域名，链接后面要带 /
GRAVATAR_SECURE_URL = "https://sdn.geekzu.org/"  # Gravatar https 头像加速域名，链接后面要带 /

Basic Usage

Use in code:

from django_gravatar.helpers import get_gravatar_url, has_gravatar, get_gravatar_profile_url, calculate_gravatar_hash

url = get_gravatar_url('alice@example.com', size=150)
gravatar_exists = has_gravatar('bob@example.com')
profile_url = get_gravatar_profile_url('alice@example.com')
email_hash = calculate_gravatar_hash('alice@example.com')

Use in templates:

{% load gravatar %}

{% gravatar_url user.email 150 %}
# https://secure.gravatar.com/avatar/hash.jpg?size=150

{% gravatar user.email 150 %}
# <img class="gravatar" src="https://secure.gravatar.com/avatar/hash.jpg?size=150" width="150" height="150" alt="" />

{% gravatar user.email 150 "user@example.com" %}
# <img class="gravatar" src="https://secure.gravatar.com/avatar/hash.jpg?size=150" width="150" height="150" alt="user@example.com" />

{% gravatar_profile_url user.email %}
# https://secure.gravatar.com/hash

Configuring

The following options can be configured in your settings.py:

GRAVATAR_URL # Gravatar base url. Defaults to 'http://www.gravatar.com/'

GRAVATAR_SECURE_URL # Gravatar base secure https url. Defaults to 'https://secure.gravatar.com/'

GRAVATAR_DEFAULT_SIZE # Gravatar size in pixels. Defaults to '80'

GRAVATAR_DEFAULT_IMAGE # An image url or one of the following: 'mm', 'identicon', 'monsterid', 'wavatar', 'retro'. Defaults to 'mm'

GRAVATAR_DEFAULT_RATING # One of the following: 'g', 'pg', 'r', 'x'. Defaults to 'g'

GRAVATAR_DEFAULT_SECURE # True to use https by default, False for plain http. Defaults to True

gravatar.com ->

Django Image Requests

Original submission from, and big thanks to Paul Kenjora. Modified and improved by Carly Stambaugh.

import hashlib
import urllib
from django import template
from django.utils.safestring import mark_safe
 
register = template.Library()
 
# return only the URL of the gravatar
# TEMPLATE USE:  {{ email|gravatar_url:150 }}
@register.filter
def gravatar_url(email, size=40):
  default = "https://example.com/static/images/defaultavatar.jpg"
  return "https://www.gravatar.com/avatar/%s?%s" % (hashlib.md5(email.lower()).hexdigest(), urllib.urlencode({'d':default, 's':str(size)}))
 
# return an image tag with the gravatar
# TEMPLATE USE:  {{ email|gravatar:150 }}
@register.filter
def gravatar(email, size=40):
    url = gravatar_url(email, size)
    return mark_safe('<img src="%s" height="%d" width="%d">' % (url, size, size))

See Also: django-gravatar project and if you use Python 3 try out libgravatar. Both are third party libraries and not officially supported by Gravatar.