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In this tutorial, we will create a Flask API using the super fun Python programming language – the theme of the app will be to list Britney Spears songs! We’ll deploy using AWS Amplify’s command line where we’ll generate an AWS Lambda function. We’ll also use an Amazon DynamoDB database to store our data and implement routes for all CRUD functionality.
👩🏼💻 Links Mentioned 👩🏼💻
Flask - https://flask.palletsprojects.com/en/1.1.x/
AWS Amplify Documentation - https://docs.amplify.aws/
Full Code - https://github.com/aspittel/britney-api
#aws #serverless #api #python #flask
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Install via pip:
$ pip install pytumblr
Install from source:
$ git clone https://github.com/tumblr/pytumblr.git
$ cd pytumblr
$ python setup.py install
A pytumblr.TumblrRestClient
is the object you'll make all of your calls to the Tumblr API through. Creating one is this easy:
client = pytumblr.TumblrRestClient(
'<consumer_key>',
'<consumer_secret>',
'<oauth_token>',
'<oauth_secret>',
)
client.info() # Grabs the current user information
Two easy ways to get your credentials to are:
interactive_console.py
tool (if you already have a consumer key & secret)client.info() # get information about the authenticating user
client.dashboard() # get the dashboard for the authenticating user
client.likes() # get the likes for the authenticating user
client.following() # get the blogs followed by the authenticating user
client.follow('codingjester.tumblr.com') # follow a blog
client.unfollow('codingjester.tumblr.com') # unfollow a blog
client.like(id, reblogkey) # like a post
client.unlike(id, reblogkey) # unlike a post
client.blog_info(blogName) # get information about a blog
client.posts(blogName, **params) # get posts for a blog
client.avatar(blogName) # get the avatar for a blog
client.blog_likes(blogName) # get the likes on a blog
client.followers(blogName) # get the followers of a blog
client.blog_following(blogName) # get the publicly exposed blogs that [blogName] follows
client.queue(blogName) # get the queue for a given blog
client.submission(blogName) # get the submissions for a given blog
Creating posts
PyTumblr lets you create all of the various types that Tumblr supports. When using these types there are a few defaults that are able to be used with any post type.
The default supported types are described below.
We'll show examples throughout of these default examples while showcasing all the specific post types.
Creating a photo post
Creating a photo post supports a bunch of different options plus the described default options * caption - a string, the user supplied caption * link - a string, the "click-through" url for the photo * source - a string, the url for the photo you want to use (use this or the data parameter) * data - a list or string, a list of filepaths or a single file path for multipart file upload
#Creates a photo post using a source URL
client.create_photo(blogName, state="published", tags=["testing", "ok"],
source="https://68.media.tumblr.com/b965fbb2e501610a29d80ffb6fb3e1ad/tumblr_n55vdeTse11rn1906o1_500.jpg")
#Creates a photo post using a local filepath
client.create_photo(blogName, state="queue", tags=["testing", "ok"],
tweet="Woah this is an incredible sweet post [URL]",
data="/Users/johnb/path/to/my/image.jpg")
#Creates a photoset post using several local filepaths
client.create_photo(blogName, state="draft", tags=["jb is cool"], format="markdown",
data=["/Users/johnb/path/to/my/image.jpg", "/Users/johnb/Pictures/kittens.jpg"],
caption="## Mega sweet kittens")
Creating a text post
Creating a text post supports the same options as default and just a two other parameters * title - a string, the optional title for the post. Supports markdown or html * body - a string, the body of the of the post. Supports markdown or html
#Creating a text post
client.create_text(blogName, state="published", slug="testing-text-posts", title="Testing", body="testing1 2 3 4")
Creating a quote post
Creating a quote post supports the same options as default and two other parameter * quote - a string, the full text of the qote. Supports markdown or html * source - a string, the cited source. HTML supported
#Creating a quote post
client.create_quote(blogName, state="queue", quote="I am the Walrus", source="Ringo")
Creating a link post
#Create a link post
client.create_link(blogName, title="I like to search things, you should too.", url="https://duckduckgo.com",
description="Search is pretty cool when a duck does it.")
Creating a chat post
Creating a chat post supports the same options as default and two other parameters * title - a string, the title of the chat post * conversation - a string, the text of the conversation/chat, with diablog labels (no html)
#Create a chat post
chat = """John: Testing can be fun!
Renee: Testing is tedious and so are you.
John: Aw.
"""
client.create_chat(blogName, title="Renee just doesn't understand.", conversation=chat, tags=["renee", "testing"])
Creating an audio post
Creating an audio post allows for all default options and a has 3 other parameters. The only thing to keep in mind while dealing with audio posts is to make sure that you use the external_url parameter or data. You cannot use both at the same time. * caption - a string, the caption for your post * external_url - a string, the url of the site that hosts the audio file * data - a string, the filepath of the audio file you want to upload to Tumblr
#Creating an audio file
client.create_audio(blogName, caption="Rock out.", data="/Users/johnb/Music/my/new/sweet/album.mp3")
#lets use soundcloud!
client.create_audio(blogName, caption="Mega rock out.", external_url="https://soundcloud.com/skrillex/sets/recess")
Creating a video post
Creating a video post allows for all default options and has three other options. Like the other post types, it has some restrictions. You cannot use the embed and data parameters at the same time. * caption - a string, the caption for your post * embed - a string, the HTML embed code for the video * data - a string, the path of the file you want to upload
#Creating an upload from YouTube
client.create_video(blogName, caption="Jon Snow. Mega ridiculous sword.",
embed="http://www.youtube.com/watch?v=40pUYLacrj4")
#Creating a video post from local file
client.create_video(blogName, caption="testing", data="/Users/johnb/testing/ok/blah.mov")
Editing a post
Updating a post requires you knowing what type a post you're updating. You'll be able to supply to the post any of the options given above for updates.
client.edit_post(blogName, id=post_id, type="text", title="Updated")
client.edit_post(blogName, id=post_id, type="photo", data="/Users/johnb/mega/awesome.jpg")
Reblogging a Post
Reblogging a post just requires knowing the post id and the reblog key, which is supplied in the JSON of any post object.
client.reblog(blogName, id=125356, reblog_key="reblog_key")
Deleting a post
Deleting just requires that you own the post and have the post id
client.delete_post(blogName, 123456) # Deletes your post :(
A note on tags: When passing tags, as params, please pass them as a list (not a comma-separated string):
client.create_text(blogName, tags=['hello', 'world'], ...)
Getting notes for a post
In order to get the notes for a post, you need to have the post id and the blog that it is on.
data = client.notes(blogName, id='123456')
The results include a timestamp you can use to make future calls.
data = client.notes(blogName, id='123456', before_timestamp=data["_links"]["next"]["query_params"]["before_timestamp"])
# get posts with a given tag
client.tagged(tag, **params)
This client comes with a nice interactive console to run you through the OAuth process, grab your tokens (and store them for future use).
You'll need pyyaml
installed to run it, but then it's just:
$ python interactive-console.py
and away you go! Tokens are stored in ~/.tumblr
and are also shared by other Tumblr API clients like the Ruby client.
The tests (and coverage reports) are run with nose, like this:
python setup.py test
Author: tumblr
Source Code: https://github.com/tumblr/pytumblr
License: Apache-2.0 license
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In this tutorial, we will create a Flask API using the super fun Python programming language – the theme of the app will be to list Britney Spears songs! We’ll deploy using AWS Amplify’s command line where we’ll generate an AWS Lambda function. We’ll also use an Amazon DynamoDB database to store our data and implement routes for all CRUD functionality.
👩🏼💻 Links Mentioned 👩🏼💻
Flask - https://flask.palletsprojects.com/en/1.1.x/
AWS Amplify Documentation - https://docs.amplify.aws/
Full Code - https://github.com/aspittel/britney-api
#aws #serverless #api #python #flask
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Welcome to my Blog, In this article, we will learn python lambda function, Map function, and filter function.
Lambda function in python: Lambda is a one line anonymous function and lambda takes any number of arguments but can only have one expression and python lambda syntax is
Syntax: x = lambda arguments : expression
Now i will show you some python lambda function examples:
#python #anonymous function python #filter function in python #lambda #lambda python 3 #map python #python filter #python filter lambda #python lambda #python lambda examples #python map
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Leave a Comment / Flask, Python, Web Developemnt / By winston23 / May 7, 2021 / API, flask, REST API
Views: 265
An API, which stands for Application Programming Interface, is just what its name suggests it is. It’s an Interface for other application programs. Meaning it helps connect different programs and machines to access and share data. An interface is just a medium facilitating the access of certain functionality or an intermediary between two systems. In the post about REST here, we gave an example of connecting to a Facebook graph API to access Facebook user information to log in a user to a third-party application.
Get the code for this blog post from my github repository
REST ,an acronym for Representational State Transfer, is just a style guide for creating these APIs.We have a complete and indepth post here discussing what REST is, read it to have a clear understanding about that topic(REST) before continuing.
In this tutorial we will be looking at how we can create our own REST API in Python using flask micro-framework.
#flask #python #web developemnt #api #flask #rest api
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TLDR - Take existing Express.js apps and host them easily onto cheap, auto-scaling, serverless infrastructure on AWS Lambda and AWS HTTP API with Serverless Express. It’s packed loads of production-ready features, like custom domains, SSL certificates, canary deployments, and costs ~$0.000003 per request.
If you simply want to host a common Express.js Node.js application, have it auto-scale to billions of requests, and charge you only when it’s used, we have something special for you…
Announcing Serverless Express, a Serverless Framework offering enabling you to easily host and manage Express.js applications on AWS Lambda and the new AWS HTTP API, which is 60% faster and 71% cheaper than their initial API Gateway product.
Serverless Expess is a pure Express.js experience and it’s perfect for those that want to focus on apps, not infrastructure complexity.
Here are the highlights:
Here is how to get started and deliver a Serverless Express.js based API with a custom domain, free SSL certificate and much more! You can also check out our Serverless Fullstack Application boilerplate, which includes Serverless Express in a real-world example that features a database, website using React and more.
Serverless Express is a Serverless Framework Component (i.e premium experiences for popular serverless use-cases) and you’ll need to install Node.js and the Serverless Framework CLI to use it.
Install Node.js here.
Then run this command to install Serverless Framework.
npm i -g serverless
Next, install the Serverless Express template:
serverless create --template-url https://github.com/serverless/components/tree/master/templates/express
Lastly, Serverless Express deploys onto your own Amazon Web Services account, so you’ll need Access Keys to an AWS account you own. Follow this guide to create those.
After you have created AWS Access Keys you can add them directly to an .env
file, or reference an AWS Profile in a .env
file, within the root of the template you installed.
AWS_ACCESS_KEY_ID=123456789
AWS_SECRET_ACCESS_KEY=123456789
You can also reference an AWS Profile in a .env
file like this.
AWS_PROFILE=default
If you don’t include a .env
file, the Serverless Framework will automatically look for a default
AWS Profile in the root folder of your machine.
Also, Serverless Framework has a built-in stages
concept. If you change the stage
it will deploy a totally separate copy of your serverless application.
# serverless.yml
component: express@1.0.8
name: express-api
stage: prod
Even better, you can use different .env
files for each stage
by simply using this convention:
.env # all stages
.env.dev # "dev" stage
.env.prod # "prod" stage
One last—often overlooked—step is to install the Express.js dependency, by running npm i
in the template.
#serverless #apis #aws #aws lambda #aws http api