working on dev (not raspberry yet)

ConsolePrinter.py

@@ -0,0 +1,49 @@
+from escpos.printer import Dummy
+
+
+class ConsolePrinter(Dummy):
+    def __init__(self, width=42):
+        super().__init__()
+        self.width = width  # characters per line
+        self.align = 'left'
+
+    def set(self, align='left', font='a', **kwargs):
+        self.align = align
+
+    def text(self, txt):
+        lines = txt.splitlines()
+        for line in lines:
+            formatted = self._format_line(line)
+            print(formatted)
+
+    def _format_line(self, line: str) -> str:
+        # Apply alignment
+        if self.align == 'center':
+            return line.center(self.width)
+        elif self.align == 'right':
+            return line.rjust(self.width)
+        else:
+            return line.ljust(self.width)
+
+    def qr(self, content, center=False, **kwargs):
+        self.set(align='center' if center else 'left', **kwargs)
+        print(self._format_line("+------------------------------------+"))
+        print(self._format_line("+ #####                        ##### +"))
+        print(self._format_line("+ ## ##                        ## ## +"))
+        print(self._format_line("+ #####                        ##### +"))
+        print(self._format_line("+                                    +"))
+        print(self._format_line("+                                    +"))
+        print(self._format_line("+                                    +"))
+        print(self._format_line("+                                    +"))
+        print(self._format_line("+                                    +"))
+        print(self._format_line("+                                    +"))
+        print(self._format_line("+ #####                              +"))
+        print(self._format_line("+ ## ##                              +"))
+        print(self._format_line("+ #####                              +"))
+        print(self._format_line("+------------------------------------+"))
+
+    def cut(self, mode='FULL', feed=True):
+        pass
+
+    def is_online(self):
+        return True

Event.py

@@ -0,0 +1,55 @@
+import json
+from datetime import datetime
+from pathlib import Path
+
+from PIL import Image
+
+from config import pil_image_to_surface, WIDTH, HEIGHT, SCREEN_RECT, DOMAIN, THUMB_WIDTH, THUMB_HEIGHT
+
+
+class Event:
+
+    def __init__(self, data: json):
+        self.code = data['code']
+        self.title = data['title']
+        self.date = datetime.strptime(data['date'], '%Y-%m-%d')
+        self.password = data['password']
+        self.frame_factor = float(data['frame_factor']) if 'frame_factor' in data else 1.0
+        self.frame_original = Image.open("./data/frames/" + data['frame'])
+        self.frame = pil_image_to_surface(shrink_cover(self.frame_original, int(WIDTH * self.frame_factor), int(HEIGHT * self.frame_factor)))
+        self.frame_rect = self.frame.get_rect(center=SCREEN_RECT.center)
+        self.url_without_protocol = "%s/e/%s" % (DOMAIN, self.code)
+
+
+def load_event() -> Event | None:
+    try:
+        with Path("./data/event.json").open("r") as f:
+            data = json.load(f)
+            return Event(data)
+    except Exception as e:
+        print(e)
+        return None
+
+
+def shrink_inside(img: Image, width: float, height: float):
+    if img.width <= width and img.height <= height:
+        return img
+    r = img.width / img.height
+    w = width
+    h = width / r
+    if h > height:
+        h = height
+        w = height * r
+    return img.resize((int(w), int(h)), Image.Resampling.LANCZOS)
+
+
+def shrink_cover(img: Image, width: float, height: float):
+    if img.width <= width and img.height <= height:
+        return img
+    r = img.width / img.height
+    w = width
+    h = width / r
+    if h < height:
+        h = height
+        w = height * r
+    return img.resize((int(w), int(h)), Image.Resampling.LANCZOS)

Fotobox.py

@@ -0,0 +1,243 @@
+import os.path
+import time
+from typing import List
+from PIL import Image
+from escpos.escpos import Escpos
+from ConsolePrinter import ConsolePrinter
+from serial import SerialException
+
+from Event import Event, load_event
+from Photo import Photo
+from config import *
+
+from enum import Enum
+
+from config import read, file_increase, iso, now
+from timer import Timer
+
+
+class State(Enum):
+    IDLE = 0
+    COUNTDOWN = 1
+    SHOOTING = 2
+    PREPARE = 3
+    CHOOSE = 4
+    QR = 5
+
+
+class Fotobox:
+
+    def __init__(self, camera):
+        self._camera = camera
+        self._running: bool = True
+        self._state: State = State.IDLE
+        self._photos: List[Photo] = []
+        self._choice: Photo | None = None
+        self._countdown_timer: Timer = Timer("countdown", 0, 1, COUNTDOWN_COUNT + 1, self._countdown_callback)
+        self._shooting_timer: Timer = Timer("shooting", 0, SHOOTING_INTERVAL, SHOOTING_COUNT, self._shooting_callback)
+
+        self._fotobox_uuid = read("./data/fotobox.uuid")
+        print("Starting fotobox: F-%s" % self._fotobox_uuid)
+
+        self._runtime_datetime = now()
+        self._runtime_number = file_increase("./data/runtime.number")
+        print("Starting runtime: R%04d-%s" % (self._runtime_number, iso(self._runtime_datetime)))
+
+        self._event: Event | None = load_event()
+        self._idle_url_without_protocol = "%s/e/%s" % (DOMAIN, self._event.code) if self._event is not None else DOMAIN
+        self._idle_url_with_protocol = "http%s://%s/" % ('s' if HTTPS else '', self._idle_url_without_protocol)
+        self._idle_qr = qr_create(self._idle_url_with_protocol)
+        self._idle_qr_rect = self._idle_qr.get_rect(center=SCREEN_RECT.center)
+        self._idle_url = FONT_URL.render(self._idle_url_without_protocol, True, (255, 255, 255))
+        self._idle_url_rect = self._idle_url.get_rect(centerx=SCREEN_RECT.centerx, bottom=HEIGHT - BORDER)
+
+        self._shooting_number = 0
+        self._shooting_datetime = None
+
+        self._printer: Escpos | None = None
+
+    def _countdown_callback(self):
+        if self._countdown_timer.complete():
+            self._set_state(State.SHOOTING)
+        else:
+            print("COUNTDOWN: %d" % self._countdown_timer.rest())
+
+    def _shooting_callback(self):
+        print("SHOT: %d/%d" % (self._shooting_timer.current(), SHOOTING_COUNT))
+
+        screen.fill((255, 255, 255))
+        pygame.display.flip()
+        if not DEBUG:
+            time.sleep(0.2)
+
+        stream = io.BytesIO()
+        self._camera.capture(stream, format='rgb')
+        stream.seek(0)
+        self._photos.append(Photo(self._shooting_timer.current(), Image.open(stream)))
+
+        screen.fill((0, 0, 0))
+        pygame.display.flip()
+
+        if self._shooting_timer.complete():
+            self._set_state(State.PREPARE)
+
+    def run(self):
+        if DEBUG:
+            self._set_state(State.SHOOTING)
+        while self._running:
+            self._events()
+            self._timer()
+            self._draw()
+
+    def _events(self):
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                self._running = False
+            elif event.type == pygame.MOUSEBUTTONDOWN:
+                if self._state == State.IDLE:
+                    self._set_state(State.COUNTDOWN)
+                elif self._state == State.CHOOSE:
+                    if CANCEL_RECT.collidepoint(event.pos):
+                        print("CANCEL")
+                        self._set_state(State.IDLE)
+                    elif SAVE_RECT.collidepoint(event.pos) and self._choice is not None:
+                        print("SAVE")
+                        self._set_state(State.QR)
+                    else:
+                        for photo in self._photos:
+                            if photo.thumb_rect.collidepoint(event.pos):
+                                self._choice = photo
+                                print("CHOSE: %d" % self._choice.number)
+                elif self._state == State.QR:
+                    if DONE_RECT.collidepoint(event.pos):
+                        print("DONE")
+                        self._set_state(State.IDLE)
+                    elif self._printer is not None and not self._printed and PRINT_RECT.collidepoint(event.pos):
+                        print("PRINT")
+                        try:
+                            self._printer.set(align='center', font='b', width=2, height=2)
+                            self._printer.text("Fotobox\n")
+                            self._printer.set(align='center', font='a', width=1, height=1)
+                            if self._event is not None:
+                                self._printer.text(self._event.date.strftime("%d.%m.%Y") + "\n")
+                                self._printer.text(self._event.title + "\n")
+                                self._printer.text(self._event.url_without_protocol + "\n")
+                                self._printer.text("Passwort: " + self._event.password + "\n")
+                            else:
+                                self._printer.text(datetime.now().strftime("%d.%m.%Y") + "\n")
+                                self._printer.text(self._idle_url_without_protocol + "\n")
+                            self._printer.qr(self._choice.urlWithProtocol, center=True)
+                            self._printer.text(self._choice.urlWithoutProtocol)
+                            self._printer.cut()
+                            self._printed = True
+
+                        except Exception as e:
+                            print(e)
+
+    def _timer(self):
+        dt: float = clock.tick(20) / 1000
+        self._shooting_timer.tick(dt)
+        self._countdown_timer.tick(dt)
+
+    def _draw(self):
+        screen.fill((0, 0, 0))
+        if self._state == State.IDLE:
+            screen.blit(FOTOBOX_TITLE_SURFACE, FOTOBOX_TITLE_RECT)
+            screen.blit(self._idle_qr, self._idle_qr_rect)
+            screen.blit(self._idle_url, self._idle_url_rect)
+        elif self._state == State.COUNTDOWN:
+            screen.blit(self._event.frame, self._event.frame_rect)
+            if self._countdown_timer.rest() == 3:
+                screen.blit(FOTOBOX_COUNTDOWN3_SURFACE, FOTOBOX_COUNTDOWN3_RECT)
+            elif self._countdown_timer.rest() == 2:
+                screen.blit(FOTOBOX_COUNTDOWN2_SURFACE, FOTOBOX_COUNTDOWN2_RECT)
+            elif self._countdown_timer.rest() == 1:
+                screen.blit(FOTOBOX_COUNTDOWN1_SURFACE, FOTOBOX_COUNTDOWN1_RECT)
+        elif self._state == State.SHOOTING:
+            screen.blit(self._event.frame, self._event.frame_rect)
+        elif self._state == State.PREPARE:
+            screen.blit(LOADING_SURFACE, LOADING_RECT)
+        elif self._state == State.CHOOSE:
+            screen.blit(CHOOSE_SURFACE, CHOOSE_RECT)
+            screen.blit(CANCEL_SURFACE, CANCEL_RECT)
+            if self._choice is not None:
+                screen.blit(SAVE_SURFACE, SAVE_RECT)
+            for photo in self._photos:
+                screen.blit(photo.thumb, photo.thumb_rect)
+                if self._choice == photo:
+                    rect = pygame.Rect(
+                        photo.thumb_rect.x - CHOICE_BORDER,
+                        photo.thumb_rect.y - CHOICE_BORDER,
+                        photo.thumb_rect.width + 2 * CHOICE_BORDER,
+                        photo.thumb_rect.height + 2 * CHOICE_BORDER
+                    )
+                    pygame.draw.rect(screen, (0, 255, 0), rect, width=CHOICE_BORDER)
+        elif self._state == State.QR:
+            screen.blit(self._qr, self._qr_rect)
+            screen.blit(self._choice.chosen, self._choice.chosen_rect)
+            if self._printer is not None and not self._printed:
+                screen.blit(PRINT_SURFACE, PRINT_RECT)
+            screen.blit(DONE_SURFACE, DONE_RECT)
+        pygame.display.flip()
+
+    def _set_state(self, new_state: State):
+        print(new_state)
+        self._state = new_state
+        if new_state == State.COUNTDOWN:
+            self._camera.start_preview()
+            self._countdown_timer.restart()
+        elif new_state == State.SHOOTING:
+            self._photos = []
+            self._shooting_number += 1
+            self._shooting_datetime = now()
+            print("Starting shooting: S%04d-%s" % (self._shooting_number, iso(self._shooting_datetime)))
+            self._shooting_timer.restart()
+        elif new_state == State.PREPARE:
+            self._camera.stop_preview()
+            for photo in self._photos:
+                photo.prepare(self._event)
+            self._set_state(State.CHOOSE)
+        elif new_state == State.CHOOSE:
+            self._choice = None
+        elif new_state == State.QR:
+            self._printed = False
+            try:
+                if self._printer is None or not self._printer.is_online():
+                    # self._printer = Serial(devfile='/dev/ttyUSB0', baudrate=9600, bytesize=8, parity='N', stopbits=1, timeout=1.00, dsrdtr=True)
+                    self._printer = ConsolePrinter()
+                    self._printer.profile.media['width']['pixels'] = 512
+                    print("Printer AVAILABLE")
+            except SerialException:
+                self._printer = None
+                print("No printer available")
+
+            self._qr = qr_create(self._choice.urlWithProtocol)
+            self._qr_rect = self._qr.get_rect(left=2 * BORDER, centery=SCREEN_RECT.centery)
+
+            filename = "F-%s---R%04d-%s---S%04d-%s---P%04d-%s---%s.jpg" % (
+                self._fotobox_uuid,
+                self._runtime_number,
+                iso(self._runtime_datetime),
+                self._shooting_number,
+                iso(self._shooting_datetime),
+                self._choice.number,
+                iso(self._choice.datetime),
+                self._choice.code,
+            )
+
+            original = Path("./data/photos/original/F-%s/R%04d-%s/%s" % (
+                self._fotobox_uuid,
+
+                self._runtime_number,
+                iso(self._runtime_datetime),
+
+                filename,
+            ))
+            original.parent.mkdir(parents=True, exist_ok=True)
+            self._choice.img.save(original, format='JPEG', quality=95)
+
+            upload = Path("./data/photos/upload/%s" % (filename,))
+            upload.parent.mkdir(parents=True, exist_ok=True)
+            os.link(original, upload)
+
+            print("Photo saved: %s" % original.absolute())

Photo.py

@@ -0,0 +1,45 @@
+from datetime import datetime
+
+from PIL import Image
+from pygame import Surface
+
+from Event import Event, shrink_inside
+from config import THUMB_WIDTH, pil_image_to_surface, SCREEN_RECT, BORDER, WIDTH, now, generate_code, HTTPS, DOMAIN, THUMB_HEIGHT
+
+
+class Photo:
+
+    def __init__(self, number: int, img: Image):
+        self.number = number
+        self.datetime = now()
+        self.code = generate_code(4)
+        self.urlWithoutProtocol = "%s/p/%s" % (DOMAIN, self.code)
+        self.urlWithProtocol = "http%s://%s" % ('s' if HTTPS else '', self.urlWithoutProtocol)
+        self.img = img
+        self.thumb = None
+        self.thumb_rect = None
+        self.chosen = None
+        self.chosen_rect = None
+
+    def prepare(self, event: Event):
+        frame = self._resize2(event.frame_original, THUMB_WIDTH)
+        photo = shrink_inside(self.img, frame.width / (event.frame_factor - 0.01), frame.height / (event.frame_factor - 0.01))
+        self.thumb = Surface((frame.width, frame.height))
+        self.thumb.blit(pil_image_to_surface(photo), ((frame.width - photo.width) / 2, (frame.height - photo.height) / 2))
+        self.thumb.blit(pil_image_to_surface(frame), (0, 0))
+        self.thumb_rect = self.thumb.get_rect(centery=SCREEN_RECT.centery, left=(self.number - 1) * (THUMB_WIDTH + BORDER) + BORDER)
+
+        frame_chosen = self._resize2(event.frame_original, THUMB_WIDTH)
+        photo_chosen = shrink_inside(self.img, frame_chosen.width / event.frame_factor, frame_chosen.height / event.frame_factor)
+        self.chosen = Surface((frame_chosen.width, frame_chosen.height))
+        self.chosen.blit(pil_image_to_surface(photo_chosen), ((frame_chosen.width - photo_chosen.width) / 2, (frame_chosen.height - photo_chosen.height) / 2))
+        self.chosen.blit(pil_image_to_surface(frame_chosen), (0, 0))
+        self.chosen_rect = self.chosen.get_rect(right=WIDTH - 2 * BORDER, centery=SCREEN_RECT.centery)
+
+    def _resize(self, width: float):
+        height = width / self.img.width * self.img.height
+        return self.img.resize((int(width), int(height)), Image.Resampling.LANCZOS)
+
+    def _resize2(self, img: Image, width: float):
+        height = width / img.width * img.height
+        return img.resize((int(width), int(height)), Image.Resampling.LANCZOS)

config.py

@@ -0,0 +1,136 @@
+import io
+import random
+from datetime import datetime
+from pathlib import Path
+
+import pygame
+from pygame import Surface
+from pygame.time import Clock
+from qrcode.main import QRCode
+
+DEBUG: bool = True
+# DEBUG: bool = False
+
+WIDTH: int = 800
+HEIGHT: int = 480
+BORDER: int = 10
+
+SHOOTING_COUNT: int = 2
+SHOOTING_INTERVAL: float = 0 if DEBUG else 1.75
+COUNTDOWN_COUNT: int = 1 if DEBUG else 3
+
+CHOICE_BORDER: int = 5
+
+THUMB_WIDTH: int = (WIDTH - (SHOOTING_COUNT + 1) * BORDER) // SHOOTING_COUNT
+THUMB_HEIGHT: int = int(THUMB_WIDTH / 1.6)
+
+WHITE = (255, 255, 255)
+BLACK = (0, 0, 0)
+
+pygame.init()
+
+screen: Surface = pygame.display.set_mode((WIDTH, HEIGHT))
+SCREEN_RECT = screen.get_rect()
+
+clock: Clock = pygame.time.Clock()
+
+
+def qr_create(content: str):
+    global FOTOBOX_QR_SURFACE
+    qr = QRCode(border=1)
+    qr.add_data(content)
+    qr.make(fit=True)
+    qr_img = qr.make_image()
+    qr_img_buffer = io.BytesIO()
+    qr_img.save(qr_img_buffer)
+    qr_img_buffer.seek(0)
+    return pygame.image.load(qr_img_buffer)
+
+
+HTTPS = True
+DOMAIN = "fotobox.online"
+# HTTPS = False
+# DOMAIN = "localhost:8080"
+
+FONT_TITLE = pygame.font.SysFont(None, 70)
+FOTOBOX_TITLE_SURFACE = FONT_TITLE.render("Berühren um Fotos zu schießen", True, (255, 255, 255))
+FOTOBOX_TITLE_RECT = FOTOBOX_TITLE_SURFACE.get_rect(centerx=SCREEN_RECT.centerx, top=BORDER)
+
+FONT_URL = pygame.font.SysFont(None, 60)
+
+FONT_COUNTDOWN = pygame.font.SysFont(None, 500)
+FOTOBOX_COUNTDOWN3_SURFACE = FONT_COUNTDOWN.render("3", True, (255, 255, 255))
+FOTOBOX_COUNTDOWN3_RECT = FOTOBOX_COUNTDOWN3_SURFACE.get_rect(center=SCREEN_RECT.center)
+FOTOBOX_COUNTDOWN2_SURFACE = FONT_COUNTDOWN.render("2", True, (255, 255, 255))
+FOTOBOX_COUNTDOWN2_RECT = FOTOBOX_COUNTDOWN2_SURFACE.get_rect(center=SCREEN_RECT.center)
+FOTOBOX_COUNTDOWN1_SURFACE = FONT_COUNTDOWN.render("1", True, (255, 255, 255))
+FOTOBOX_COUNTDOWN1_RECT = FOTOBOX_COUNTDOWN1_SURFACE.get_rect(center=SCREEN_RECT.center)
+
+FONT_LOADING = pygame.font.SysFont(None, 200)
+LOADING_SURFACE = FONT_LOADING.render("Laden...", True, (255, 255, 255))
+LOADING_RECT = LOADING_SURFACE.get_rect(center=SCREEN_RECT.center)
+
+FONT_CHOOSE = pygame.font.SysFont(None, 100)
+CHOOSE_SURFACE = FONT_CHOOSE.render("Bitte wählen", True, (255, 255, 255))
+CHOOSE_RECT = CHOOSE_SURFACE.get_rect(centerx=SCREEN_RECT.centerx, top=BORDER)
+
+FONT_CANCEL = pygame.font.SysFont(None, 60)
+CANCEL_SURFACE = FONT_CANCEL.render("Abbruch", True, (255, 0, 0))
+CANCEL_RECT = CANCEL_SURFACE.get_rect(left=BORDER, bottom=HEIGHT - BORDER)
+
+FONT_SAVE = pygame.font.SysFont(None, 60)
+SAVE_SURFACE = FONT_SAVE.render("Speichern", True, (0, 255, 0))
+SAVE_RECT = SAVE_SURFACE.get_rect(right=WIDTH - BORDER, bottom=HEIGHT - BORDER)
+
+FONT_PRINT = pygame.font.SysFont(None, 60)
+PRINT_SURFACE = FONT_PRINT.render("Code drucken", True, (128, 128, 255))
+PRINT_RECT = PRINT_SURFACE.get_rect(left=BORDER, bottom=HEIGHT - BORDER)
+
+FONT_DONE = pygame.font.SysFont(None, 60)
+DONE_SURFACE = FONT_DONE.render("Fertig", True, (0, 255, 0))
+DONE_RECT = DONE_SURFACE.get_rect(right=WIDTH - BORDER, bottom=HEIGHT - BORDER)
+
+
+def pil_image_to_surface(pil_image):
+    mode = pil_image.mode
+    size = pil_image.size
+    data = pil_image.tobytes()
+
+    return pygame.image.fromstring(data, size, mode).convert_alpha() if 'A' in mode else pygame.image.fromstring(data, size, mode).convert()
+
+
+def read(path: str) -> str:
+    with open(path, "r") as file:
+        return file.read().strip()
+
+
+def read_or_else(path: str, fallback: str) -> str:
+    try:
+        return read(path)
+    except FileNotFoundError:
+        return fallback
+
+
+def write(path: str, value: str) -> None:
+    Path(path).parent.mkdir(parents=True, exist_ok=True)
+    with open(path, "w") as file:
+        file.write(value)
+
+
+def file_increase(path: str) -> int:
+    last = int(read_or_else(path, "0"))
+    current = last + 1
+    write(path, str(current))
+    return current
+
+
+def iso(d: datetime):
+    return d.strftime("%Y-%m-%dT%H:%M:%S%z")
+
+
+def now():
+    return datetime.now().astimezone()
+
+
+def generate_code(groups: int):
+    return '-'.join(''.join(random.choices('23456789abcdefghjkmnpqrstuvwxyz', k=4)) for _ in range(groups))

main.py

@@ -0,0 +1,15 @@
+#!/usr/bin/python3
+
+import pygame
+import picamera
+
+from Fotobox import Fotobox
+
+with picamera.PiCamera() as camera:
+    fotobox = Fotobox(camera)
+    try:
+        fotobox.run()
+    except KeyboardInterrupt:
+        pass
+    finally:
+        pygame.quit()

picamera.py

@@ -0,0 +1,32 @@
+import time
+
+from PIL import Image
+
+from config import DEBUG
+
+
+# noinspection PyMethodMayBeStatic,PyShadowingBuiltins
+class PiCamera:
+    def __init__(self):
+        pass
+
+    def start_preview(self):
+        pass
+
+    def capture(self, output, format):
+        with Image.open("./data/demo.jpg") as img:
+            img.save(output, "JPEG")
+        if not DEBUG:
+            time.sleep(0.5)
+
+    def stop_preview(self):
+        pass
+
+    def close(self):
+        pass
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.close()

rsync.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+WATCH_DIR="./data/photos/upload"
+
+if [ ! -d "$WATCH_DIR" ]; then
+  echo "watch dir not found: $WATCH_DIR"
+  exit 1
+fi
+
+UPLOAD_URL="https://fotobox.online/upload"
+
+FOTOBOX_KEY="bla..." # TODO
+
+SLEEP_INTERVAL=10
+
+while true; do
+    for filepath in "$WATCH_DIR"/*; do
+        [ -e "$filepath" ] || continue
+
+        filename=$(basename "$filepath")
+        filesize=$(stat -c %s "$filepath")
+
+        echo "uploading: $filepath"
+        response=$(curl -s -w "\n%{http_code}" -F "file=@${filepath}" -F "filename=${filename}" -F "fotoboxKey=${FOTOBOX_KEY}" "$UPLOAD_URL")
+        body=$(echo "$response" | head -n 1)
+        status=$(echo "$response" | tail -n 1)
+
+        expected="Fotobox2|||${filename}|||${filesize}"
+
+        if [ "$status" -eq 200 ] && [ "$body" = "$expected" ]; then
+            echo "SUCCESS"
+            rm -f "$filepath"
+        else
+            echo "FAILED: CODE=$status, Response=$body"
+        fi
+    done
+    sleep "$SLEEP_INTERVAL"
+done

timer.py

@@ -0,0 +1,48 @@
+from typing import Callable
+
+
+class Timer:
+
+    def __init__(self, name: str, initial: float, seconds: float, count: int, callback: Callable[[], None] = None):
+        self._name = name
+        self._enabled = False
+
+        self._initial = initial
+        self._seconds = seconds
+        self._rest = 0
+
+        self._count = count
+        self._current = 0
+
+        self._callback = callback
+
+    def restart(self):
+        self._enabled = True
+        self._current = 0
+        self._rest = self._initial
+
+    def tick(self, dt: float):
+        if not self._enabled or self._current >= self._count:
+            return
+
+        self._rest -= dt
+        if self._rest <= 0:
+            self._current += 1
+            self._rest += self._seconds
+            if self._callback:
+                self._callback()
+
+    def current(self):
+        return self._current
+
+    def count(self):
+        return self._count
+
+    def rest(self):
+        return self._count - self._current
+
+    def complete(self):
+        return self._current >= self._count
+
+    def running(self):
+        return self._enabled and not self.complete()

upload.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+
+WATCH_DIR="./data/photos/upload"
+
+if [ ! -d "$WATCH_DIR" ]; then
+  echo "watch dir not found: $WATCH_DIR"
+  exit 1
+fi
+
+UPLOAD_URL="https://fotobox.online/upload"
+
+FOTOBOX_KEY="bla..." # TODO
+
+SLEEP_INTERVAL=10
+
+while true; do
+    for filepath in "$WATCH_DIR"/*; do
+        [ -e "$filepath" ] || continue
+
+        filename=$(basename "$filepath")
+        filesize=$(stat -c %s "$filepath")
+
+        echo "uploading: $filepath"
+        response=$(curl -s -w "\n%{http_code}" -F "file=@${filepath}" -F "filename=${filename}" -F "fotoboxKey=${FOTOBOX_KEY}" "$UPLOAD_URL")
+        body=$(echo "$response" | head -n 1)
+        status=$(echo "$response" | tail -n 1)
+
+        expected="Fotobox2|||${filename}|||${filesize}"
+
+        if [ "$status" -eq 200 ] && [ "$body" = "$expected" ]; then
+            echo "SUCCESS"
+            rm -f "$filepath"
+        else
+            echo "FAILED: CODE=$status, Response=$body"
+        fi
+    done
+    sleep "$SLEEP_INTERVAL"
+done