Nim-Libravatar

Libravatar library for Nim, Gravatar alternative. Libravatar is an open source federated avatar api and service.

Features

• Your users nor you dont need a Libravatar account if you dont want to, because if Libravatar cant find you it redirects you to your Gravatar, if you have no Gravatar then it returns a default autogenerated image.
• Federation supported passing baseUrl, DNS server discovery is up to you if you want to, Pull Request welcome.
• 404 wont return 404, but a default image, use default="404" for a HTTP 404 Error.
• Uses func so is Side Effects Free, works with Async & MultiSync.
• runnableExamples included, Self-Documented, NEP-1 Ok.
• Best quality avatar sizes are between 80 & 128, 512 may or may not look a little stretched, depends on original quality.
• Tiny and simple but reusable code.
• By design is also a Gravatar library :)

Install

• nimble install libravatar
• You can create an account for free, it only needs an email.

Use

import libravatar
var email = "me@aaronsw.com"
getLibravatarUrl(email)
echo email
email = "me@aaronsw.com"
getLibravatarUrl(email, size=512, default="monsterid")
echo email
email = "me@aaronsw.com"
getLibravatarUrl(email, size=9, default="404", baseUrl="https://MyCustomFederatedServer.org/avatar/")
echo email

Libravatar App

• This module is also a crossplatform command line terminal App.
• Just compile and run it, compiles to a single file 0-dependency native binary executable of ~120Kb.
• Only takes 1 argument thats the email that you want the avatar from, filename will be the email.

$ nim c -d:release -d:ssl libravatar.nim
$ ./libravatar "me@aaronsw.com"
$ file "me@aaronsw.com.jpg"
me@aaronsw.com.jpg: JPEG image data, JFIF standard 1.0, resolution (DPI), precision 8, 128x128

Libravatar Vs Gravatar

Feature	Libravatar	Gravatar
JPEG and PNG support	Yes	Yes
GIF support	Yes	No
Upload size limit	10 MB	???
Image size (in pixels)	1 to 512	2048
HTTPS support	Yes	Yes
IPv6 support	Yes	No
Supported email hashes	MD5, SHA256	MD5 only
OpenID URL support	Yes	No
Redirection to Gravatar	Yes	No
Customizable default image	Yes	Yes
MPAA-style image ratings (Adult Content, Nude, Porn)	G-Rated only (No Porn)	Yes
Text-based profile information	No	Yes
Federation via DNS SRV records	Yes	No
LDAP authentication	Yes	No
OpenID authentication	Yes	No
Automatic photo importers	Yes	No
Translated user interface	Yes	Yes
Account export	Yes	No
Account deletion	Yes	No
XML-RPC API	No	Yes
Libraries/plugins available	Yes	Yes
Free and Open Source software	Yes	No
Distributed service	Community mirrors	Commercial Proprietary
Corporate owner	No	Automattic

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