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Python Discussion :

problème de résultat de mon code


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  1. #1
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    Par défaut problème de résultat de mon code
    Bonjour, j'ai acheter une station météo que l'on peut raccorder au pc via le port rs232. Comme mon pc ne possède pas de port rs232 j'ai acheter un cable usb 2 rs232. voici mon code:

    Code : Sélectionner tout - Visualiser dans une fenêtre à part
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    # -*- coding: iso-8859-1 -*-
     
    import time
    import serial
     
    DELAY_CONST = 0.001
    MAXRETRIES = 10
    HISTORY_BUFFER_ADR = 0x1A0
    HISTORY_REC_NO = 1796
    SETBIT = 0x12
    UNSETBIT = 0x32
     
    DEBUG = 0
     
    def debug(s, level = 2, tab = 0):
        if DEBUG >= level:
            print "	"*tab, s
     
    def string2hex(s):
        return " ".join(map(lambda(x):hex(ord(x)), s))
     
    class WS3500():
        def __init__(self, ser):
            self.ser = ser
            self._init = False
     
        def _initialize(self):
            debug("initialize()", level=1)
            buff = "U"*2000
     
            self.ser.write(buff)
     
            debug("-DTR", tab=1)
            self.ser.setDTR(0)
            debug("-RTS", tab=1)
            self.ser.setRTS(0)
     
            INIT_WAIT = 500
            i = 0
            while i < INIT_WAIT and not self.ser.getDSR():
                i += 1
                time.sleep(DELAY_CONST)
            if i == INIT_WAIT:
                debug("timeout 1", level=1)
                return 0
            i = 0
     
            time.sleep(DELAY_CONST)
            while i < INIT_WAIT and self.ser.getDSR():
                i += 1
                time.sleep(DELAY_CONST)
            if i != INIT_WAIT:
                debug("+RTS", tab=1)
                self.ser.setRTS(1)
                debug("+DTR", tab=1)
                self.ser.setDTR(1)
            else:
                debug("timeout 2", level=1)
                return 0
     
            self.ser.write(buff)
     
            self._init = True
     
            return 1
     
        def _read_safe(self, address, number):
            debug("read_safe(%i, %i)" % (address, number), level=1)
            readdata = ""
            readdata2 = ""
            nb_tests = 1
            for j in range(MAXRETRIES):
                self._write_data(address, 0, None, tab=1)
                readdata = self._read_data(number, tab=1)
     
                if nb_tests == 2:
                    self._write_data(address, 0, None, tab=1)
                    readdata2 = self._read_data(number, tab=1)
     
                    if readdata == readdata2:
                        if readdata == chr(0) * number or readdata == "":
                            debug("--> only zeros", level=1, tab=1)
                            self._init = False
                            time.sleep(0.1)
                            self._initialize()
                        else:
                            break
                    else:
                        debug("--> not identical", level=1, tab=1)
                else:
                    if readdata == chr(0) * number or readdata == "":
                        debug("--> only zeros", level=1, tab=1)
                    else:
                        break
     
            if j == MAXRETRIES:
                return -1
     
            return readdata
     
        def _read_data(self, number, tab=0):
            debug("read_data(%i)" % number, level=1, tab=tab)
            command = 0xa1
            readdata = ""
     
            if self._write_byte(command, tab=tab+1):
                for i in range(number):
                    b = self._read_byte(tab=tab+1)
                    readdata = readdata + chr(b)
                    if i + 1 < number:
                        self._read_next_byte_seq(tab=tab+1)
     
                self._read_last_byte_seq(tab=tab+1)
     
                debug("--> %s" % string2hex(readdata), level=1, tab=tab)
     
                return readdata
            else:
                debug("--> erreur read_data", level=1, tab=tab)
                return ""
     
        def _write_data(self, address, number, writedata, tab=0):
            debug("write_data(%s, %i)" % (address, number), level=1, tab=tab)
            command = 0xa0
            i = -1
     
            self._write_byte(command, tab=tab+1)
            self._write_byte(address/256, tab=tab+1)
            self._write_byte(address%256, tab=tab+1)
     
            if writedata != None:
                for i in range(number):
                    self._write_byte(ord(writedata[i]), tab=tab+1)
     
            debug("-DTR", tab=tab)
            self.ser.setDTR(0)
            debug("-RTS", tab=tab)
            self.ser.setRTS(0)
            debug("+RTS", tab=tab)
            self.ser.setRTS(1)
            debug("+DTR", tab=tab)
            self.ser.setDTR(1)
            debug("-RTS", tab=tab)
            self.ser.setRTS(0)
     
            return i
     
        def _read_next_byte_seq(self, tab=0):
            debug("read_next_byte_seq()", level=1, tab=tab)
            self._write_bit(0)
            debug("-RTS", tab=tab)
            self.ser.setRTS(0)
     
        def _read_last_byte_seq(self, tab=0):
            debug("read_last_byte_seq()", level=1, tab=tab)
            debug("+RTS", tab=tab)
            self.ser.setRTS(1)
            debug("-DTR", tab=tab)
            self.ser.setDTR(0)
            debug("-RTS", tab=tab)
            self.ser.setRTS(0)
            debug("+RTS", tab=tab)
            self.ser.setRTS(1)
            debug("+DTR", tab=tab)
            self.ser.setDTR(1)
            debug("-RTS", tab=tab)
            self.ser.setRTS(0)
     
        def _read_bit(self, tab=0):
            debug("read_bit()", level=1, tab=tab)
            debug("-DTR", tab=tab)
            self.ser.setDTR(0)
            status = self.ser.getCTS()
            debug("CTS ->" + str(status), tab=tab)
            debug("+DTR", tab=tab)
            self.ser.setDTR(1)
     
            debug("--> %i" % int(not status), level=1, tab=tab)
     
            return int(not status)
     
        def _write_bit(self, bit, tab=0):
            debug("write_bit(%i)" % bit, level=1, tab=tab)
            if bit:
                debug("->-RTS", tab=tab)
                self.ser.setRTS(0)
            else:
                debug("->+RTS", tab=tab)
                self.ser.setRTS(1)
            debug("-DTR", tab=tab)
            self.ser.setDTR(0)
            debug("+DTR", tab=tab)
            self.ser.setDTR(1)
     
        def _read_byte(self, tab=0):
            debug("read_byte()", level=1, tab=tab)
            byte = 0
     
            for i in range(8):
                byte *= 2
                byte += self._read_bit(tab=tab+1)
     
            debug("--> %i - %s" % (byte, hex(byte)), level=1, tab=tab)
     
            return byte
     
        def _write_byte(self, byte, tab=0):
            debug("write_byte(%i)" % byte, level=1, tab=tab)
            for i in range(8):
                self._write_bit(byte & 0x80, tab=tab+1)
                byte <<= 1
                byte &= 0xff
     
            debug("-RTS", tab=tab)
            self.ser.setRTS(0)
            status = self.ser.getCTS()
            debug("CTS->" + str(status), tab=tab)
            debug("-DTR", tab=tab)
            self.ser.setDTR(0)
            debug("+DTR", tab=tab)
            self.ser.setDTR(1)
            debug("---> %i" % int(status), level=1, tab=tab)
            if status:
                return 1
            else:
                return 0
     
        def conv_temp(self, data):
            return ((ord(data[1]) & 0xF) * 10 + (ord(data[0]) >> 4) + (ord(data[0]) & 0xF) / 10.0) - 40.0
     
        def conv_datetime(self, data):
            minute = (ord(data[0]) >> 4) + (ord(data[1]) & 0xF) * 10
            heure = (ord(data[1]) >> 4) + (ord(data[2]) & 0xF) * 10
            jour = (ord(data[2]) >> 4) + (ord(data[3]) & 0xF) * 10
            mois = (ord(data[3]) >> 4) + (ord(data[4]) & 0xF) * 10
            annee = 2000 + (ord(data[4]) >> 4) + (ord(data[5]) & 0xF) * 10
            return "%04i-%02i-%02i %02i:%02i" % (annee, mois, jour, heure, minute)
     
        def conv_datetime2(self, data):
            minute = (ord(data[0]) >> 4) * 10 + (ord(data[0]) & 0xF)
            heure = (ord(data[1]) >> 4) * 10 + (ord(data[1]) & 0xF)
            jour = (ord(data[2]) >> 4) * 10 + (ord(data[2]) & 0xF)
            mois = (ord(data[3]) >> 4) * 10 + (ord(data[3]) & 0xF)
            annee = 2000 + (ord(data[4]) >> 4) * 10 + (ord(data[4]) & 0xF)
            return "%04i-%02i-%02i %02i:%02i" % (annee, mois, jour, heure, minute)
     
        def getTemp(self, address, meteo_data = None):
            l = 2
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return self.conv_temp(data_read)
     
        def getTempBCD(self, address, meteo_data = None):
            l = 2
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return (ord(data_read[1]) >> 4) * 10 + (ord(data_read[1] )& 0xF) + (ord(data_read[0]) >> 4) / 10.0 - 40.0
     
        def getDateTime(self, address, meteo_data = None):
            l = 6
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return self.conv_datetime(data_read)
     
        def getDateTime2(self, address, meteo_data = None):
            l = 5
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return self.conv_datetime2(data_read)
     
        def getHumidity(self, address, meteo_data = None):
            l = 1
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return (ord(data_read[0]) >> 4) * 10 + (ord(data_read[0]) & 0xf)
     
        def getPressure(self, address, meteo_data = None):
            l = 3
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return (ord(data_read[2]) & 0xF) * 1000 + (ord(data_read[1]) >> 4) * 100 + (ord(data_read[1]) & 0xF) * 10 + (ord(data_read[0]) >> 4) + (ord(data_read[0]) & 0xF) / 10.0
     
        def temp_int(self, meteo_data = None):
            address = 0x26
     
            return self.getTemp(address, meteo_data)
     
        def temp_ext(self, meteo_data = None):
            address = 0x3D
     
            return self.getTemp(address, meteo_data)
     
        def temperature_indoor_minmax(self, meteo_data = None):
            address_min = 0x28
            address_max = 0x2B
            address_mintime = 0x2C
            address_maxtime = 0x31
     
            data = []
            data.append(self.getTempBCD(address_min, meteo_data))
            data.append(self.getTemp(address_max, meteo_data))
            data.append(self.getDateTime(address_mintime, meteo_data))
            data.append(self.getDateTime(address_maxtime, meteo_data))
     
            return data
     
        def temperature_outdoor_minmax(self, meteo_data = None):
            address_min = 0x3F
            address_max = 0x42
            address_mintime = 0x43
            address_maxtime = 0x48
     
            data = []
            data.append(self.getTempBCD(address_min, meteo_data))
            data.append(self.getTemp(address_max, meteo_data))
            data.append(self.getDateTime(address_mintime, meteo_data))
            data.append(self.getDateTime(address_maxtime, meteo_data))
     
            return data
     
        def dewpoint(self, meteo_data = None):
            address = 0x6B
     
            return self.getTemp(address, meteo_data)
     
        def dewpoint_minmax(self, meteo_data = None):
            address_min = 0x6D
            address_max = 0x70
            address_mintime = 0x71
            address_maxtime = 0x76
     
            data = []
            data.append(self.getTempBCD(address_min, meteo_data))
            data.append(self.getTemp(address_max, meteo_data))
            data.append(self.getDateTime(address_mintime, meteo_data))
            data.append(self.getDateTime(address_maxtime, meteo_data))
     
            return data
     
        def humidity_indoor(self, meteo_data = None):
            address = 0x81
     
            return self.getHumidity(address, meteo_data)
     
        def humidity_outdoor(self, meteo_data = None):
            address = 0x90
     
            return self.getHumidity(address, meteo_data)
     
        def humidity_indoor_minmax(self, meteo_data = None):
            address_min = 0x82
            address_max = 0x83
            address_mintime = 0x84
            address_maxtime = 0x89
     
            data = []
            data.append(self.getHumidity(address_min, meteo_data))
            data.append(self.getHumidity(address_max, meteo_data))
            data.append(self.getDateTime2(address_mintime, meteo_data))
            data.append(self.getDateTime2(address_maxtime, meteo_data))
     
            return data
     
        def humidity_outdoor_minmax(self, meteo_data = None):
            address_min = 0x91
            address_max = 0x92
            address_mintime = 0x93
            address_maxtime = 0x98
     
            data = []
            data.append(self.getHumidity(address_min, meteo_data))
            data.append(self.getHumidity(address_max, meteo_data))
            data.append(self.getDateTime2(address_mintime, meteo_data))
            data.append(self.getDateTime2(address_maxtime, meteo_data))
     
            return data
     
        def rel_pressure(self, meteo_data = None):
            address = 0x13D
     
            return self.getPressure(address, meteo_data)
     
        def rel_pressure_minmax(self, meteo_data = None):
            address_min = 0x156
            address_max = 0x14C
            address_mintime = 0x160
            address_maxtime = 0x15B
     
            data = []
            data.append(self.getPressure(address_min, meteo_data))
            data.append(self.getPressure(address_max, meteo_data))
            data.append(self.getDateTime2(address_mintime, meteo_data))
            data.append(self.getDateTime2(address_maxtime, meteo_data))
     
            return data
     
        def abs_pressure(self, meteo_data = None):
            address = 0x138
     
            return self.getPressure(address, meteo_data)
     
        def abs_pressure_minmax(self, meteo_data = None):
            address_min = 0x5F6
            address_max = 0x5F6 + 12
            address_mintime = 0x61E
            address_maxtime = 0x61E + 5
     
            data = []
            data.append(self.getPressure(address_min, meteo_data))
            data.append(self.getPressure(address_max, meteo_data))
            data.append(self.getDateTime2(address_mintime, meteo_data))
            data.append(self.getDateTime2(address_maxtime, meteo_data))
     
            return data
     
        def tendency_forecast(self, meteo_data = None):
            address = 0x24
            l = 1
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            tendency_values = ["Constant", "Augmentant", "Diminuant"]
            forecast_values = ["Pluvieux", "Nuageux", "Ensoleillé"]
     
            return tendency_values[ord(data_read[0]) >> 4], forecast_values[ord(data_read[0]) & 0xF]
     
        def read_history_info(self):
            if not self._init:
                if not self._initialize():
                    return ""
            address = 0x6B2 - 2
            l = 12
            data_read = self._read_safe(address, l)
     
            debug(string2hex(data_read), 1)
     
            data = []
     
            interval = (ord(data_read[1]) & 0xF) * 256 + ord(data_read[0]) + 1
            data.append(interval)
            countdown = ord(data_read[2])*16 + (ord(data_read[1]) >> 4) + 1
            data.append(countdown)
     
            jour = (ord(data_read[0]) >> 4) * 10 + (ord(data_read[0]) & 0xF)
            mois = (ord(data_read[1]) >> 4) * 10 + (ord(data_read[1]) & 0xF)
            annee = 2000 + (ord(data_read[2]) >> 4) * 10 + (ord(data_read[2]) & 0xF)
            data.append((jour, mois, annee))
            no_records = ord(data_read[9])
            data.append(no_records)
     
            return data
     
        def read_history_record(self, data, record_no):
            record = data
     
            minute = ((ord(record[0]) & 0xf0) >> 4)* 10 + (ord(record[0]) & 0xf)
            if minute >= 60:
                return None
            heure = ((ord(record[1]) & 0xf0) >> 4) * 10 + (ord(record[1]) & 0xf)
            jour = ((ord(record[2]) & 0xf0) >> 4) * 10 + (ord(record[2]) & 0xf)
            mois = ((ord(record[3]) & 0xf0) >> 4) * 10 + (ord(record[3]) & 0xf)
            annee = 2000 + ((ord(record[4]) & 0xf0) >> 4) * 10 + (ord(record[4]) & 0xf)
     
            temperature_indoor = ((ord(record[5]) & 0xf0) >> 4) * 10 + (ord(record[5]) & 0xf)
            temperature_indoor += (ord(record[6]) & 0xf) * 100 - 400
            ##temperature_indoor /= 10.0
            temperature_outdoor = (ord(record[6]) & 0xf0) >> 4
            temperature_outdoor += ((ord(record[7]) & 0xf0) >> 4) * 100 + (ord(record[7]) & 0xf) * 10 - 400
            ##temperature_outdoor /= 10.0
            pressure = ((ord(record[8]) & 0xf0) >> 4) * 10 + (ord(record[8]) & 0xf)
            pressure += ((ord(record[9]) & 0xf0) >> 4) * 1000 + (ord(record[9]) & 0xf) * 100
            pressure += (ord(record[10]) & 0xf) * 10000
            ##pressure /= 10.0
            humidity_indoor = (ord(record[10]) & 0xf0) >> 4
            humidity_indoor += (ord(record[11]) & 0xf) * 10
            humidity_outdoor = (ord(record[11]) & 0xf0) >> 4
            humidity_outdoor += (ord(record[12]) & 0xf) * 10
            raincount = ord(record[12]) >> 4
            raincount += ord(record[13]) * 16
            windspeed = (ord(record[15]) & 0xf) * 256 + ord(record[14])
            ##windspeed /= 10.0
            if (ord(record[17]) & 0xf) != 1 or ord(record[16]) != 0xFE:
                windgust = (ord(record[17]) & 0xf) * 256 + ord(record[16])
                ##windgust /= 10.0
            else:
                windgust = -1
            winddir_degrees = ((ord(record[15]) & 0xF0)>> 4) * 22.5
     
            return ["%04i-%02i-%02i %02i:%02i" % (annee, mois, jour, heure, minute), temperature_indoor, temperature_outdoor, pressure, humidity_indoor, humidity_outdoor, raincount, windspeed, winddir_degrees]
     
        def read_history(self, delai_dernier_releve = 0):
            if not self._init:
                if not self._initialize():
                    return ""
            l = 0x7fff - HISTORY_BUFFER_ADR + 1
            nb = 12 * 5 * 20
            l = 18 * nb
            nb_enreg_max = 1750
            address_max = HISTORY_BUFFER_ADR + nb_enreg_max * 18 - 1
            address = HISTORY_BUFFER_ADR
            end_of_data = False
            data = []
            j = 0
            last_record = None
            while not end_of_data and j < MAXRETRIES:
                nb_ok = 0
                j += 1
                debug("read history from address : %s" % hex(address), 1)
                if l + address > address_max:
                    l = address_max - address + 1
                if l > 0:
                    data_read = self._read_safe(address, l)
     
     
                if data_read:
                    for i in range(nb):##range(HISTORY_REC_NO):
                        try:
                            record = None
                            record = self.read_history_record(data_read[i*18:(i+1)*18], i)
                        except Exception, e:
                            print "exception :", e, i, string2hex(data_read[i*18:(i+1)*18])
                            record = None
                        if record is None:
                            end_of_data = False
                            break
                        else:
                            last_record = record
                            nb_ok += 1
                        data.append(record)
     
                    address += 18 * nb_ok
                    if last_record and delai_dernier_releve > 0 :
                        try:
                            if DateTime.DateTimeFrom(last_record[0]) + DateTime.RelativeDateTime(minutes = delai_dernier_releve) > DateTime.now():
                                end_of_data = True
                        except:
                            pass
                else:
                    debug("no data read", 1)
                    end_of_data = False
     
            return data
     
        def recording_interval(self, meteo_data = None):
            ## returned value by the station :
            ##   0 - 1 min
            ##   1 - 5 min
            ##   2 - 10 min
            ##   3 - 15 min
            ##   4 - 20 min
            ##   5 - 30 min
            ##   6 - 60 min
            ##   7 - 2 hours
            ##   8 - 3 hours
            ##   9 - 4 hours
            ##   A - 6 hours
            ##   B - 8 hours
            ##   C - 12 hours
            ##   D - 24 hours
            duree = {0 : 1,
                     1 : 5,
                     2 : 10,
                     3 : 15,
                     4 : 20,
                     5 : 30,
                     6 : 60,
                     7 : 120,
                     8 : 180,
                     9 : 240,
                     0xa : 360,
                     0xb : 480,
                     0xc : 720,
                     0xd : 1440}
            l = 1
            address = 0xE3
            if meteo_data is None:
                if not self._init:
                    if not self._initialize():
                        return ""
                data_read = self._read_safe(address, l)
            else:
                data_read = meteo_data[address:address+l]
     
            return duree[ord(data_read[0]) >> 4]
     
        def load_main_data(self):
            if not self._init:
                if not self._initialize():
                    return ""
            address = 0x00
            l = 0x16F
            data_read = self._read_safe(address, l)
     
            return data_read
     
        def light(self, active):
            ## Doesn't work
            if not self._init:
                if not self._initialize():
                    return ""
            address = 0x16
            l = 1
            if active:
                writedata = chr(SETBIT)
            else:
                writedata = chr(UNSETBIT)
            self._write_data(address, l, writedata, tab=1)
     
     
     
    if __name__ == "__main__":
        ser = serial.Serial('/dev/ttyUSB0')
        try:
            ws = WS3500(ser)
            meteo_data = ws.load_main_data()
            if meteo_data:
                t_int = ws.temp_int(meteo_data)
                print "T° int :", t_int
                if 1000 > 100:
     
                    print "T° ext :", ws.temp_ext(meteo_data)
                    l = ws.temperature_indoor_minmax(meteo_data)
                    print "intérieur :"
                    print "T° min :", l[0], " à ", l[2], "T° max :", l[1], " à ", l[3]
                    l = ws.temperature_outdoor_minmax(meteo_data)
                    print "extérieur :"
                    print "T° min :", l[0], " à ", l[2], "T° max :", l[1], " à ", l[3]
                    print "Point de rosée :", ws.dewpoint(meteo_data)
                    l = ws.dewpoint_minmax(meteo_data)
                    print "T° min :", l[0], " à ", l[2], "T° max :", l[1], " à ", l[3]
                    print "Humidité int :", ws.humidity_indoor(meteo_data)
                    print "Humidité ext :", ws.humidity_outdoor(meteo_data)
                    l = ws.humidity_indoor_minmax(meteo_data)
                    print "intérieur :"
                    print "Humidité min :", l[0], " à ", l[2], "Humidité max :", l[1], " à ", l[3]
                    l = ws.humidity_outdoor_minmax(meteo_data)
                    print "extérieur :"
                    print "Humidité min :", l[0], " à ", l[2], "Humidité max :", l[1], " à ", l[3]
                    tendency, forecast = ws.tendency_forecast(meteo_data)
                    tendency_values = ["Constant", "Augmentant", "Diminuant"]
                    forecast_values = ["Pluvieux", "Nuageux", "Ensoleillé"]
                    print "Prévisions :", tendency_values[tendency], "et", forecast_values[forecast]
                    print "Prel int :", ws.rel_pressure(meteo_data)
                    l = ws.rel_pressure_minmax(meteo_data)
                    print "Prel min :", l[0], " à ", l[2], "Prel max :", l[1], " à ", l[3]
                    print "Pabs int :", ws.abs_pressure(meteo_data)
                    l = ws.abs_pressure_minmax()
                    print "Pabs min :", l[0], " à ", l[2], "Pabs max :", l[1], " à ", l[3]
                    interval = ws.recording_interval(meteo_data)
                    print "Recording interval :", interval, "min"
        except serial.SerialException, e:
            print "SerialException :", e
        except Exception, e:
            print "Exception :", e
        finally:
            ser.close()
    et voici ma réponse:



    d'où sort ce chiffre ?

  2. #2
    Expert éminent
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    Par défaut
    Salut,
    On peut conjecturer qu'il s'agit d'un effet de bord de:
    Code : Sélectionner tout - Visualiser dans une fenêtre à part
    1
    2
    3
    4
    5
    6
        def tendency_forecast(self, meteo_data = None):
    ...
            tendency_values = ["Constant", "Augmentant", "Diminuant"]
            forecast_values = ["Pluvieux", "Nuageux", "Ensoleillé"]
     
            return tendency_values[ord(data_read[0]) >> 4], forecast_values[ord(data_read[0]) & 0xF]
    Puisqu'on ne vérifie pas l'intervalle d'appartenance de "ord(data_read[0])" avant de l'utiliser...
    Normalement Python vous donne la ligne du script qui a levé l'exception, mais le code "supprime" ces informations via le try/catch. Il serait peut être "bon" de mettre en commentaire les lignes:
    Code : Sélectionner tout - Visualiser dans une fenêtre à part
    1
    2
        except Exception, e:
            print "Exception :", e
    Pour confirmer que çà plante ou je le pense.
    - W
    PS: ou d'afficher la frame de l'exception mais c'est plus compliqué.
    Architectures post-modernes.
    Python sur DVP c'est aussi des FAQs, des cours et tutoriels

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