RaspberryPi webiopi 脚本错误无法工作

Question

我想试试RaspberryPi（树莓派），但是.py代码不工作，报了很多错。

• 有个空格错误
• 缩进错误：expected an indented block " global VELUX_STATE, AUTO_mode "

我只是从官方论坛复制了代码，别人用这个代码都没问题。

链接： http://egrasland.blogspot.fr/2014/01/control-your-velux-roller-shutter-with.html

我把代码复制粘贴到“sudo nano script.py”里。

我哪里做错了？

而且，RaspberryPi的官方webiopi的代码对我也不管用。调试时报错，程序也启动不了。

链接：https://code.google.com/p/webiopi/wiki/Tutorial_Basis

Answer 1

谢谢大家的回答。

我用的代码是：

Python服务器脚本：

import webiopi import datetime

GPIO = webiopi.GPIO     
VELUX_UP = 17 # GPIO pin using BCM numbering VELUX_DOWN = 18 # GPIO pin using BCM numbering VELUX_STOP = 27 # GPIO pin using BCM numbering     
VELUX_STATE = 0 # DOWN AUTO_MODE = 1     
HOUR_UP  = 9   # Turn Velux UP at HOUR_DOWN = 19 # Turn Velux Down at     
# setup function is automatically called at WebIOPi startup 
def setup():   global VELUX_STATE, AUTO_MODE     
    # set the GPIO used for VELUX command to output  
    GPIO.setFunction(VELUX_UP, GPIO.OUT)   
    GPIO.setFunction(VELUX_DOWN,GPIO.OUT)

    # STOP function not used at this time   
    GPIO.setFunction(VELUX_STOP,GPIO.OUT)
    GPIO.digitalWrite(VELUX_STOP, GPIO.LOW)

    # retrieve current datetime   now = datetime.datetime.now()     
    if (AUTO_MODE==1):
        # test time
        if ((now.hour >= HOUR_UP) and (now.hour < HOUR_DOWN)):
            GPIO.digitalWrite(VELUX_UP, GPIO.HIGH)
            webiopi.sleep(0.2)
            GPIO.digitalWrite(VELUX_UP, GPIO.LOW)
            VELUX_STATE = 1
        else: 
            GPIO.digitalWrite(VELUX_DOWN, GPIO.HIGH)
            webiopi.sleep(0.2)
            GPIO.digitalWrite(VELUX_DOWN, GPIO.LOW)
            VELUX_STATE = 0

# loop function is repeatedly called by WebIOPi  
def loop():   global VELUX_STATE, AUTO_MODE     
    # retrieve current datetime   now = datetime.datetime.now()     
    if (AUTO_MODE==1):
        # toggle VELUX UP all days at the correct time
        if ((now.hour == HOUR_UP) and (now.minute == 0) and (VELUX_STATE == 0)):
            GPIO.digitalWrite(VELUX_UP, GPIO.HIGH)
            webiopi.sleep(0.2)
            GPIO.digitalWrite(VELUX_UP, GPIO.LOW)
            VELUX_STATE = 1 #UP

        # toggle VELUX DOWN all days at the correct time
        if ((now.hour == HOUR_DOWN) and (now.minute == 0) and (VELUX_STATE == 1)):
            GPIO.digitalWrite(VELUX_DOWN, GPIO.HIGH)
            webiopi.sleep(0.2)
            GPIO.digitalWrite(VELUX_DOWN, GPIO.LOW)
            VELUX_STATE = 0 #DOWN
            # gives CPU some time before looping again   webiopi.sleep(1)

# destroy function is called at WebIOPi shutdown 
def destroy():   
    GPIO.digitalWrite(VELUX_UP, GPIO.LOW)   
    GPIO.digitalWrite(VELUX_DOWN, GPIO.LOW)   
    GPIO.digitalWrite(VELUX_STOP, GPIO.LOW)


@webiopi.macro def getHours():
    return "%d;%d" % (HOUR_UP, HOUR_DOWN)

@webiopi.macro def setHours(on, off):
    global HOUR_UP, HOUR_DOWN
    HOUR_UP = int(on)
    HOUR_DOWN = int(off)
    return getHours()

@webiopi.macro def getAutoMode():
    return "%d" % (AUTO_MODE)

@webiopi.macro def setAutoMode():
    global AUTO_MODE

    if AUTO_MODE:
        AUTO_MODE=0
    else:
        AUTO_MODE=1
    return getAutoMode()

我不能在这里发调试信息，因为它在我的树莓派上，而且浏览器太慢了 :)

不过第一个错误是因为在注释“VELUX UP”旁边有多余的空格。

例如：
"HOUR_UP = 9 # Turn Velux UP at"
我解决了这个问题，但接下来出现的错误是：
"def setup():
global VELUX_STATE, AUTO_MODE"

这是为什么呢？

谢谢！