Raspberry Pi - Photo Booth!

README.md

Make sure you run chmod -R 777 uploads/ and change line 5 of upload.py to the target machine's IP!

index.php

<?php
//DISPLAY THE LATEST 4 IMAGES IN THE DIRECTORY
$DISPLAY = array();
$FILES = scandir("uploads/", SCANDIR_SORT_DESCENDING);
for ($x = 0; $x < 4; $x++) {
  $DISPLAY[] = $FILES[$x];
} 
foreach ($DISPLAY as $image) {
  echo '<img src="uploads/' . $image . '" style="width: 100%;" alt="Image" />';
}
?>
<meta http-equiv="refresh" content="2" />

kitten.jpeg

Fill this file with this image: http://placekitten.com/1000/1000

upload.php

<?php
//FOR THE PYTHON SCRIPT TO UPLOAD TO
$target_dir = "uploads/";
$target_file = $target_dir . time() . "." . pathinfo($_FILES["file"]["name"],PATHINFO_EXTENSION);
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);

if($imageFileType != "jpg" && $imageFileType != "png" && $imageFileType != "jpeg"
&& $imageFileType != "gif" ) die("INCORRECT FILE TYPE");

// Check if $uploadOk is set to 0 by an error
if (move_uploaded_file($_FILES["file"]["tmp_name"], $target_file)) echo "1";
else echo "ERROR";
?>

upload.py

#!/usr/bin/env python

#The Python Upload Script
import requests
url = 'http://URLHERE/upload.php'
files = {'file': open('kitten.jpg', 'rb')}
r = requests.post(url, files=files)
if (r.text == "1"):
  print("Success")
else:
  print("FAIL_FAIL_FAIL")

Tested & confirmed to be working