FakeGPIO, FakePicamera zum Simulieren auf Entwickler-Maschine

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

@@ -1,6 +1,7 @@
 #!/usr/bin/python
 
 import datetime
+import imp
 import inspect
 import os
 import sys
@@ -8,13 +9,20 @@ from math import floor
 from shutil import copyfile
 from time import sleep
 
-import RPi.GPIO as GPIO
-import picamera
 import pygame
 from PIL import Image
 
-# ~ import server
+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"]
 
@@ -222,7 +230,7 @@ def waitForBegin():
 
 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)