树莓派上传数据错误一例

 ?1 # -*- utf-8 -*- ?2 #env !/usr/bin/python ?3 ??4 import RPi.GPIO as GPIO ?5 import time ?6 import json ?7 import datetime ?8 import requests ?9 ?10 requests.adapters.DEFAULT_RETRIES = 5 11 # s = requests.session() 12 # s.keep_alive = False 13 apiurl = ‘https://xxxxxx.cn/api/TmpApi‘ 14 apiheaders = {‘Content-Type‘: ‘application/json‘,‘Connection‘: ‘close‘} 15 ?16 def getCPUTemp(): 17 ????file = open("/sys/class/thermal/thermal_zone0/temp") 18 ????cpuTemp=float(file.read())/1000 19 ????file.close() 20 ????return cpuTemp 21 ?22 def getTemp(): 23 ????channel = 17 24 ????data = [] 25 ????j = 0 26 ?27 ????GPIO.setmode(GPIO.BCM) 28 ?29 ????time.sleep(1) 30 ?31 ????GPIO.setup(channel, GPIO.OUT) 32 ?33 ????GPIO.output(channel, GPIO.LOW) 34 ????time.sleep(0.02) 35 ????GPIO.output(channel, GPIO.HIGH) 36 ?37 ????GPIO.setup(channel, GPIO.IN) 38 ?39 ????while GPIO.input(channel) == GPIO.LOW: 40 ????????continue 41 ?42 ????while GPIO.input(channel) == GPIO.HIGH: 43 ????????continue 44 ?45 ????while j < 40: 46 ????????k = 0 47 ????????while GPIO.input(channel) == GPIO.LOW: 48 ????????????continue 49 ?????50 ????????while GPIO.input(channel) == GPIO.HIGH: 51 ????????????k += 1 52 ????????????if k > 100: 53 ????????????????break 54 ?????55 ????????if k < 8: 56 ????????????data.append(0) 57 ????????else: 58 ????????????data.append(1) 59 ?60 ????????j += 1 61 ?62 ????print("sensor is working.") 63 ????# print(data) 64 ?65 ????humidity_bit = data[0:8] 66 ????humidity_point_bit = data[8:16] 67 ????temperature_bit = data[16:24] 68 ????temperature_point_bit = data[24:32] 69 ????check_bit = data[32:40] 70 ?71 ????humidity = 0 72 ????humidity_point = 0 73 ????temperature = 0 74 ????temperature_point = 0 75 ????check = 0 76 ?????77 ????cpu_temperature = 0 78 ?79 ????for i in range(8): 80 ????????humidity += humidity_bit[i] * 2 ** (7 - i) 81 ????????humidity_point += humidity_point_bit[i] * 2 ** (7 - i) 82 ????????temperature += temperature_bit[i] * 2 ** (7 - i) 83 ????????temperature_point += temperature_point_bit[i] * 2 ** (7 - i) 84 ????????check += check_bit[i] * 2 ** (7 - i) 85 ?86 ????tmp = humidity + humidity_point + temperature + temperature_point 87 ?88 ????csv=open(‘/home/pi/Desktop/Projects/DHT11/log.csv‘, ‘a+‘) 89 ????if humidity>99: 90 ????????return "Wrong data" 91 ????if check == tmp: 92 ????????print("temperature : ", temperature, ", humidity : " , humidity) 93 ????????cpu_temperature = getCPUTemp() 94 ????????print("CPU Temperature : ", cpu_temperature) 95 ?96 ????????CurTime = datetime.datetime.now() 97 ????????payload = {‘DeviceName‘:"DHT11a",‘Temp‘:temperature,‘Humidity‘:humidity,‘AcquisitionTime‘:CurTime.isoformat(), ‘Memo‘: ‘cpu:%.3f‘ % cpu_temperature} 98 ????????print("Current time: %s" % CurTime.isoformat()) 99 ????????print("Upload Temperature: %.3f" % temperature,"Humdity: %.3f" % humidity)100 101 ????????jdata = json.dumps(payload)102 103 ????????r=requests.post(apiurl,headers=apiheaders,data=json.dumps(payload))104 105 ????????csv.write(time.strftime("%Y/%m/%d %H:%M:%S",time.localtime()) + ",")106 ????????csv.write(str(temperature))107 ????????csv.write(‘,‘)108 ????????csv.write(str(humidity))109 ????????csv.write(‘\n‘)110 ????else:111 ????????# print("wrong")112 ????????r = "wrong"113 ????????print("temperature : ", temperature, ", humidity : " , humidity, " check : ", check, " tmp : ", tmp)114 115 ????csv.close()116 117 ????return r118 119 if __name__ == "__main__":120 ????try:121 ????????while 1:122 ????????????resp = getTemp()123 ????????????print("xxxxxx.cn request result: ?%s" %resp)124 ????????????time.sleep(60)125 ????finally:126 ????????GPIO.cleanup()

 1 sensor is working. 2 temperature : ?24 , humidity : ?44 3 CPU Temperature : ?47.236 4 Current time: 2018-09-14T04:37:06.303399 5 Upload Temperature: 24.000 Humdity: 44.000 6 xxxxxx.cn request result: ?<Response [201]> 7 sensor is working. 8 temperature : ?16 , humidity : ?50 ?check : ?161 ?tmp : ?78 9 xxxxxx.cn request result: ?wrong10 sensor is working.11 temperature : ?24 , humidity : ?5512 CPU Temperature : ?46.69813 Current time: 2018-09-14T04:39:08.72244414 Upload Temperature: 24.000 Humdity: 55.00015 Traceback (most recent call last):16 ??File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 138, in _new_conn17 ????(self.host, self.port), self.timeout, **extra_kw)18 ??File "/usr/lib/python3/dist-packages/urllib3/util/connection.py", line 75, in create_connection19 ????for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM):20 ??File "/usr/lib/python3.5/socket.py", line 733, in getaddrinfo21 ????for res in _socket.getaddrinfo(host, port, family, type, proto, flags):22 socket.gaierror: [Errno -3] Temporary failure in name resolution23 24 During handling of the above exception, another exception occurred:25 26 Traceback (most recent call last):27 ??File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 594, in urlopen28 ????chunked=chunked)29 ??File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 350, in _make_request30 ????self._validate_conn(conn)31 ??File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 837, in _validate_conn32 ????conn.connect()33 ??File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 281, in connect34 ????conn = self._new_conn()35 ??File "/usr/lib/python3/dist-packages/urllib3/connection.py", line 147, in _new_conn36 ????self, "Failed to establish a new connection: %s" % e)37 requests.packages.urllib3.exceptions.NewConnectionError: <requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x75aa01b0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution38 39 During handling of the above exception, another exception occurred:40 41 Traceback (most recent call last):42 ??File "/usr/lib/python3/dist-packages/requests/adapters.py", line 423, in send43 ????timeout=timeout44 ??File "/usr/lib/python3/dist-packages/urllib3/connectionpool.py", line 643, in urlopen45 ????_stacktrace=sys.exc_info()[2])46 ??File "/usr/lib/python3/dist-packages/urllib3/util/retry.py", line 363, in increment47 ????raise MaxRetryError(_pool, url, error or ResponseError(cause))48 requests.packages.urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host=‘xxxxxx.cn‘, port=443): Max retries exceeded with url: /api/TmpApi (Caused by NewConnectionError(‘<requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x75aa01b0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution‘,))49 50 During handling of the above exception, another exception occurred:51 52 Traceback (most recent call last):53 ??File "dht11GV.py", line 121, in <module>54 ????resp = getTemp()55 ??File "dht11GV.py", line 102, in getTemp56 ????r=requests.post(apiurl,headers=apiheaders,data=json.dumps(payload))57 ??File "/usr/lib/python3/dist-packages/requests/api.py", line 110, in post58 ????return request(‘post‘, url, data=data, json=json, **kwargs)59 ??File "/usr/lib/python3/dist-packages/requests/api.py", line 56, in request60 ????return session.request(method=method, url=url, **kwargs)61 ??File "/usr/lib/python3/dist-packages/requests/sessions.py", line 488, in request62 ????resp = self.send(prep, **send_kwargs)63 ??File "/usr/lib/python3/dist-packages/requests/sessions.py", line 609, in send64 ????r = adapter.send(request, **kwargs)65 ??File "/usr/lib/python3/dist-packages/requests/adapters.py", line 487, in send66 ????raise ConnectionError(e, request=request)67 requests.exceptions.ConnectionError: HTTPSConnectionPool(host=‘xxxxxx.cn‘, port=443): Max retries exceeded with url: /api/TmpApi (Caused by NewConnectionError(‘<requests.packages.urllib3.connection.VerifiedHTTPSConnection object at 0x75aa01b0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution‘,))

pip install --upgrade requests