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CONSUMING AND BUILDING APIS DURING HACKATHONS 12TH OCTOBER 2023 WILLIAM MCKEE

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AGENDA About Me / Hackathons Hackathons / Projects Learnings / Tools Get Involved / Resources Contact / QA

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ABOUT WILLIAM Currently based in Auckland Study at Massey Uni & do dev contract work Enjoy travel, drawing, coding, video games

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ABOUT TECHNICAL Self taught Python during Art school (2011) Started attending hackathons & conferences Moved to Sydney worked as developer and attended hackathons

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WHAT ARE HACKATHONS? Friday. Meet and greet. Team forming. Pizza. Saturday. Working on the project. Sunday. Clearing loose ends and presenting. 48 hour research and development projects. Could be run as public or company internal event. In person or online.

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SPACEGIF NASA Space Apps - October 2018 Creating gifs from NASA photography

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NASA EARTH IMAGE REQUEST import requests import os import arrow import shutil blogdir = '/Users/williammckee/Developer/spacegif-output' thedate = '2019-05-20' rqnat = requests.get('https://epic.gsfc.nasa.gov/api/ natural/date/' + thedate + '?api_key=DEMO_KEY') rjsn = rqnat.json() lenet = len(rjsn) somnewd = arrow.get(rjsn[0]['date']) images = [] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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MERGE OF EARTH + MARS dateinput = arrow.get(thedate) foldate = dateinput.strftime('%Y/%m/%d') spaceimg = os.listdir('{}/galleries/{}/template/'.format(bl ranc = random.choice(os.listdir('{}/galleries/{}/rovers/'.f rancam = '{}/galleries/{}/rovers/{}/'.format(blogdir, folda fileran = random.choice(os.listdir(rancam)) ranmar = '{}/{}'.format(rancam, fileran) marimg = PIL.Image.open('{}'.format(ranmar)) marimg = marimg.resize([512,512]) marimg = marimg.convert('RGB') for spci in spaceimg: earimg = PIL.Image.open('{}/galleries/{}/template/{}'.for earimg= earimg.resize([512,512]) earimg = earimg.convert('RGB') 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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INPUT TEXT & GENERATE GIF msg = 'hello apidaysau' dateinput = arrow.get(thedate) msgslug = msg.replace(' ', '-') spaceimg = os.listdir(blogdir + '/galleries/' + dateinput.strftime('%Y/%m/%d') + '/blend/') for spci in spaceimg: earim = PIL.Image.open(blogdir + '/galleries/' + dateinput.strftime('%Y/%m/%d') + '/blend/' + spci) earsm = earim.resize([512,512]) earimg = earsm.convert("RGBA") font = ImageFont.truetype(fontdir,42) draw = ImageDraw.Draw(earimg) image_width, image_height = earimg.size y_text = 256 lines = textwrap.wrap(msg, width=20) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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RESULT

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Wrap the app with FastAPI

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TECHNICAL ME CONT. Moved back to NZ Wanted something fresh so learnt: Then learnt (and continue to use):

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SPAMSCAMEMAIL Terrible Ideas Hackathon - July 2021 Generate scam emails

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GENERATING FAKE PERSON AND A CURRENCY Ellen Jacobs of Wells, United Kingdom | ENS func Requestperson() (string, error) { url := "https://randomuser.me/api/" res, err := http.Get(url) if err != nil { return "", err } defer res.Body.Close() body, err := ioutil.ReadAll(res.Body) if err != nil { return "", err } var data struct { Results []Person `json:"results"` } err = json.Unmarshal(body, &data) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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GETTING A RANDOM COMPANY THE FAIRFIELD CHASE CENTRE PTY LTD func getCompanyName() (string, error) { rand.Seed(time.Now().UnixNano()) rannm := rand.Intn(3075362) + 1 url := "https://data.gov.au/data/api/3/action/datastore_s resp, err := http.Get(url) if err != nil { return "", err } defer resp.Body.Close() body, err := ioutil.ReadAll(resp.Body) if err != nil { return "", err } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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LATEST AW WEBSITE VISIT & PUTTING IT TOGETHER func Requestweb() string { url := `http://localhost:5600/api/0/` + `buckets/aw-watcher-web-chrome/events?limit=1` res, err := http.Get(url) if err != nil { fmt.Println(err) } defer res.Body.Close() body, err := ioutil.ReadAll(res.Body) if err != nil { fmt.Println(err) } 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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RESULT OUTPUT Wrap the function in Gin. Frontend built in React sends email with EmailJS. { "message": Hello, My name is Ellen Jacobs of Wells, United Kin My company is THE FAIRFIELD CHASE CENTRE PTY LTD. On Fri, 22 S 2023 05:44:19 you visited the url http://localhost:8080/body. You must send 100,000,000 ENS via this link: example.com withi 7 days. If you do not I will tell your friends and family that visited the site. Be kind, Ellen Jacobs of Wells, United Kingd }

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HUGMORTY So you think you can hack - May 18 till Jun 18, 2023 AI image generator with Rick & Morty prompts

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GENERATE SENTENCE FROM R&M "Evolved Narnian Disguised as Morty the Male Humanoid from Narnia Dimension is Alive." import { NextApiRequest, NextApiResponse } from "next"; import { HfInference } from '@huggingface/inference' const hf = new HfInference(process.env.HF_ACCESS_TOKEN) import { getCharacter } from 'rickmortyapi' import { writeFileSync } from 'fs'; import { Amplify, Storage } from 'aws-amplify'; import awsconfig from '../../aws-exports'; Amplify.configure(awsconfig); export default async function handler(req: NextApiRequest, const { query: { prompt}, method, } = req; const randomChar = Math.random() * (826 - 1) + 1; 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

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"a painting of a woman with a cat on her head " const fetchImg = await fetch(char.data.image) const arrayBuffer = await fetchImg.arrayBuffer(); const buffer = Buffer.from(arrayBuffer); const imgclas = await hf.imageToText({ data: buffer, model: 'nlpconnect/vit-gpt2-image-captioning' }) 1 2 3 4 5 6 7 8

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const imgCap = await hf.textToImage({ inputs: sentence + " " + imgclas.generated_text + " " + p //model: 'ogkalu/Comic-Diffusion', model: 'DucHaiten/DH_ClassicAnime' }) const aBuffer = await imgCap.arrayBuffer(); const timestamp = Number(new Date()); const fileUrl = output.input + '-' + timestamp + ".png" Storage.put(fileUrl, aBuffer, {contentType: "image/png"}); const signedURL = await Storage.get(fileUrl); res.status(200).json({'imageurl': signedURL}); 1 2 3 4 5 6 7 8 9 10 11 12 13 14

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LEARNINGS Great opotunity to learn new languages or libraries Collabration is key. Relax. Not every hackathon works out. There is always next time.

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HACKATHON RESOURCES Directory HackAUS - Hackathons - DevPost - Upcoming NASA Space Apps - October. Terrible Ideas Hackathon - 8-10 December 2023. NZ/AU/UK GovHack - August(?) 2024. https://www.hackathonsaustralia.com/ https://www.hackathons.com.au/ https://devpost.com/ https://terriblehack.com/

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CONTACT / QA

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Email: Linkedin: [email protected] https://www.linkedin.com/in/w-mckee/

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