我尝试遵循本教程： https://medium.com/@dvd.ciri/raspberry-pi-firebase-home-automation-d5a237f18fb5
但是我对adafruit有问题。有人可以帮助我吗？
import RPi.GPIO as GPIO
from time import sleep
import datetime
from firebase import firebase
import pigpio
import Adafruit_DHT
import urllib2, urllib, httplib
import json
import os
from functools import partial
# Global variables
LOGGER = 1
sensor_pin_number = 4;
firebase = firebase.FirebaseApplication('https://p8.firebaseio.com/', None)
# LOGGER
def printlog(text):
if(LOGGER):
print(text)
# LOGGER
# Start script
# ============================================================================
printlog("Script Started\n")
#Information about temperature, humidity, cpu, disk, RAM
# Initiate GPIO for pigpio
pi = pigpio.pi()
# Setup the sensor
sensor= Adafruit_DHT.DHT22
def readDHT22():
# Get a new reading
# Save our values
humidity,temp = Adafruit_DHT.read_retry(sensor, sensor_pin_number)
return (humidity, temp)
# Return CPU temperature as a character string
def getCPUtemperature():
res = os.popen('vcgencmd measure_temp').readline()
return(res.replace("temp=","").replace("'C\n",""))
# Return RAM information (unit=kb) in a list
# Index 0: total RAM
# Index 1: used RAM
# Index 2: free RAM
def getRAMinfo():
p = os.popen('free')
i = 0
while 1:
i = i + 1
line = p.readline()
if i==2:
return(line.split()[1:4])
# Return % of CPU used by user as a character string
def getCPUuse():
return(str(os.popen("top -n1 | awk '/Cpu\(s\):/ {print $2}'").readline().strip(\
)))
# Return information about disk space as a list (unit included)
# Index 0: total disk space
# Index 1: used disk space
# Index 2: remaining disk space
# Index 3: percentage of disk used
def getDiskSpace():
p = os.popen("df -h /")
i = 0
while 1:
i = i +1
line = p.readline()
if i==2:
return(line.split()[1:5])
##Date time formatting
dateString = '%d/%m/%Y %H:%M:%S'
def updatePiInfo():
printlog("## Updating Firebase Info.. ##")
firebase.put("/Settings", "/last_update_datetime", datetime.datetime.now().strftime(dateString))
##retrive max & min humidity (remove the %)
maxHumidity = firebase.get("/Controls/Sensors/Humidity/max_inside", None)
maxHumidity = maxHumidity[:-1]
minHumidity = firebase.get("/Controls/Sensors/Humidity/min_inside", None)
minHumidity = minHumidity[:-1]
#retrieve max & min temperature (remove the C)
maxTemperature = firebase.get("/Controls/Sensors/Temperature/max_inside", None)
maxTemperature = maxTemperature[:-1]
minTemperature = firebase.get("/Controls/Sensors/Temperature/min_inside", None)
minTemperature = minTemperature[:-1]
#add current value
humidity, temperature = readDHT22()
firebase.put("/Controls/Sensors", "/Humidity/current_inside", ""+humidity+"%")
firebase.put("/Controls/Sensors", "/Temperature/current_inside", ""+temperature+"C")
##check for max values
if float(humidity) > float(maxHumidity):
firebase.put("/Controls/Sensors", "/Humidity/max_inside", ""+humidity+"%")
printlog("Updated Humidity max_inside")
if float(temperature) > float(maxTemperature):
firebase.put("/Controls/Sensors", "/Temperature/max_inside", ""+temperature+"C")
printlog("Updated Temperature max_inside")
## cehck for min values
if float(humidity) < float(minHumidity):
firebase.put("/Controls/Sensors", "/Humidity/min_inside", ""+humidity+"%")
printlog("Updated Humidity min_inside")
if float(temperature) < float(minTemperature):
firebase.put("/Controls/Sensors", "/Temperature/min_inside", ""+temperature+"C")
printlog("Updated Temperature min_inside")
#CPU INFO
CPU_temp = getCPUtemperature()
CPU_usage = getCPUuse()
firebase.put("/PI/CPU", "/temperature", CPU_temp)
#RAM INFO
RAM_stats = getRAMinfo()
RAM_total = round(int(RAM_stats[0]) / 1000,1)
RAM_used = round(int(RAM_stats[1]) / 1000,1)
RAM_free = round(int(RAM_stats[2]) / 1000,1)
firebase.put("/PI/RAM", "/free", str(RAM_free)+"")
firebase.put("/PI/RAM", "/used", str(RAM_used)+"")
firebase.put("/PI/RAM", "/total", str(RAM_total)+"")
#DISK INFO
DISK_stats = getDiskSpace()
DISK_total = DISK_stats[0]
DISK_free = DISK_stats[1]
DISK_perc = DISK_stats[3]
DISK_used = float(DISK_total[:-1]) - float(DISK_free[:-1])
firebase.put("/PI/DISK", "/total", str(DISK_total[:-1]))
firebase.put("/PI/DISK", "/free", str(DISK_free[:-1]))
firebase.put("/PI/DISK", "/used", str(DISK_used))
firebase.put("/PI/DISK", "/percentage", str(DISK_perc))
printlog(datetime.datetime.now().strftime(dateString))
printlog("Humidity: Current["+humidity+"], Max["+maxHumidity+"], Min["+minHumidity+"]")
printlog("Temperature: Current["+temperature+"], Max["+maxTemperature+"], Min["+minTemperature+"]")
printlog("CPU temperature: "+CPU_temp)
printlog("RAM total["+str(RAM_total)+" MB], RAM used["+str(RAM_used)+" MB], RAM free["+str(RAM_free)+" MB]")
printlog("DISK total["+str(DISK_total)+"], free["+str(DISK_free)+"], perc["+str(DISK_perc)+"]")
printlog("## Update finished successfully ##")
printlog("======================================================\n")
我有此错误：
dht22 = Adafruit_DHT.sensor(pi, sensor_pin_number) AttributeError: 'module' object has no attribute 'sensor'
///////////////////////////////////////////////// ///////////////////////////////////////////////////// ///////////////////////////////////////////////////// ///////////////////////////////////////////////////// ///////////////////////////////////////////////////// ///////////////////////////////////////////////////// /////////////////////////////////////////////////////
答案 0 :(得分：2)
尝试一下：
expect(estring).to.satisfy(estring =>
eventTag.split(",").some(b => estring.includes(b))
);