FakeGPIO, FakePicamera zum Simulieren auf Entwickler-Maschine

.gitignore

@@ -1,2 +1,5 @@
+/.idea/
+/venv/
+
 /images/
 /tmp?.jpg

FakeGPIO/__init__.py

@@ -0,0 +1,27 @@
+BOARD = 1
+HIGH = 1
+LOW = 0
+OUT = 1
+IN = 0
+FALLING = 0
+RISING = 1
+
+
+def setmode(x):
+    pass
+
+
+def setwarnings(x):
+    pass
+
+
+def setup(gpio, mode, initial=None):
+    pass
+
+
+def output(gpio, state):
+    pass
+
+
+def add_event_detect(gpio, edge, callback, bouncetime=None):
+    pass

FakePicamera/__init__.py

@@ -0,0 +1,28 @@
+from PIL import Image
+
+
+class Overlay(object):
+    def __init__(self):
+        self.alpha = 0
+
+
+class PiCamera(object):
+    def __init__(self):
+        self.resolution = None
+
+    def start_preview(self, *args, **kwargs):
+        pass
+
+    def add_overlay(self, *args, **kwargs):
+        return Overlay()
+
+    def remove_overlay(self, *args, **kwargs):
+        pass
+
+    def capture(self, filename, format, *args, **kwargs):
+        print("FAKE: capture(%s, %s)" % (filename, format))
+        img = Image.new("RGB", self.resolution, (255, 255, 255))
+        img.save(filename, format)
+
+    def close(self, *args, **kwargs):
+        pass

photobox.py

@@ -1,22 +1,28 @@
 #!/usr/bin/python
 
-import sys, os, inspect
-import pytz, datetime
-from time import sleep
-from PIL import Image
-from shutil import copyfile
+import datetime
+import imp
+import inspect
+import os
+import sys
 from math import floor
-import RPi.GPIO as GPIO
+from shutil import copyfile
+from time import sleep
 
-import picamera
 import pygame
-import random
-import time
-
-# ~ import server
-
+from PIL import Image
 
+try:
+    imp.find_module('RPi')
+    import RPi.GPIO as GPIO
+except ImportError:
+    import FakeGPIO as GPIO
 
+try:
+    imp.find_module('picamera')
+    import picamera
+except ImportError:
+    import FakePicamera as picamera
 
 __all__ = ["monotonic_time"]
 
@@ -24,16 +30,19 @@ import ctypes
 
 CLOCK_MONOTONIC_RAW = 4  # see <linux/time.h>
 
+
 class timespec(ctypes.Structure):
     _fields_ = [
         ('tv_sec', ctypes.c_long),
         ('tv_nsec', ctypes.c_long)
     ]
 
+
 librt = ctypes.CDLL('librt.so.1', use_errno=True)
 clock_gettime = librt.clock_gettime
 clock_gettime.argtypes = [ctypes.c_int, ctypes.POINTER(timespec)]
 
+
 def monotonic_time():
     t = timespec()
     if clock_gettime(CLOCK_MONOTONIC_RAW, ctypes.pointer(t)) != 0:
@@ -42,11 +51,8 @@ def monotonic_time():
     return t.tv_sec + t.tv_nsec * 1e-9
 
 
-
-
 os.chdir(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))
 
-
 # CONFIGURATION
 WIDTH = 800
 HEIGHT = 480
@@ -75,14 +81,11 @@ THUMB_HEIGHT	= int(THUMB_WIDTH / 1.333)
 IMAGES_ORIGINAL = os.path.join(IMAGE_DIR, "original")
 IMAGES_TODO = os.path.join(IMAGE_DIR, "todo")
 
-
-
 # global variables
 spot_mode = 0
 session_start = monotonic_time()
 
 
-
 # GPIO helpers
 
 def led_border(state):
@@ -102,14 +105,12 @@ def next_spot_mode():
     set_spot_mode(spot_mode + 1)
 
 
-
 # user interface
 
 def button_press(gpio_id):
     next_spot_mode()
 
 
-
 # INIT GPIO
 GPIO.setmode(GPIO.BOARD)
 GPIO.setwarnings(False)
@@ -136,18 +137,15 @@ led_border(True)
 sleep(0.02)
 led_border(False)
 
-
-
 # INIT PYGAME
 pygame.init()
 pygame.mouse.set_visible(False)
 screen = pygame.display.set_mode((WIDTH, HEIGHT))
 
-
-
 # LOAD GRAPHICS
 gfx = {}
 
+
 def _load(name):
     filename = "%s.png" % name
     path = os.path.join(GRAPHICS_DIR, filename)
@@ -157,6 +155,7 @@ def _load(name):
 
     gfx[name] = (img, rect)
 
+
 _load("begin")
 _load("loading")
 _load("yes")
@@ -166,8 +165,6 @@ _load("end_no")
 _load("saved")
 _load("canceled")
 
-
-
 # LOAD COUNTDOWN OVERLAYS
 img_cdn = []
 pad_cdn = []
@@ -185,7 +182,6 @@ for i in range(0, COUNTDOWN):
     pad_cdn.append(pad)
 
 
-
 # FUNCTIONS ========================================================================================
 
 def waitForEvent():
@@ -201,7 +197,6 @@ def waitForEvent():
             return events
 
 
-
 def waitForTouch():
     pos = (-1, -1)
     while True:
@@ -213,7 +208,6 @@ def waitForTouch():
                 return pos
 
 
-
 def maintainance():
     screen.fill(COLOR_BACK)
     screen.blit(maintain, maintain_rect)
@@ -223,7 +217,6 @@ def maintainance():
     pos = waitForTouch()
 
 
-
 def waitForBegin():
     screen.fill(COLOR_BACK)
     screen.blit(*gfx["begin"])
@@ -235,17 +228,15 @@ def waitForBegin():
         maintainance()
 
 
-
 def countdown(camera, pad, img):
     sleep(PIC_INTERVAL)
-	o = camera.add_overlay(pad.tostring(), size=img.size)
+    o = camera.add_overlay(pad.tobytes(), size=img.size)
     o.alpha = OVERLAY_ALPHA
     o.layer = 3
     sleep(TEXT_INTERVAL)
     camera.remove_overlay(o)
 
 
-
 def makePhotos():
     # CLEAR SCREEN
     screen.fill(COLOR_BACK)
@@ -284,7 +275,6 @@ def makePhotos():
     camera.close()
 
 
-
 def chooseImages():
     # clear screen
     screen.fill(COLOR_BACK)
@@ -309,7 +299,6 @@ def chooseImages():
 
         x = x + THUMB_WIDTH + BORDER
 
-	
     save = False
     cancel = False
     any_choice = False
@@ -369,7 +358,6 @@ def chooseImages():
     return (choices, save)
 
 
-
 def saveImages(choices):
     local = datetime.datetime.now()
     session_age = (monotonic_time() - session_start)
@@ -399,7 +387,6 @@ def saveImages(choices):
             copyfile(path_original, path_todo)
 
 
-
 try:
     while 1:
         waitForBegin()