python獲取照片EXIF經緯度、拍攝時間

def exifread_infos(photo):
    import exifread 
    #加載 ExifRead 第三方庫  https://pypi.org/project/ExifRead/
    #獲取照片時間、經緯度信息
    #photo參數：照片文件路徑
    
    # Open image file for reading (binary mode) 
    f = open(photo, 'rb')
    # Return Exif tags
    tags = exifread.process_file(f)

    try:
        #拍攝時間
        EXIF_Date=tags["EXIF DateTimeOriginal"].printable
        #緯度
        LatRef=tags["GPS GPSLatitudeRef"].printable
        Lat=tags["GPS GPSLatitude"].printable[1:-1].replace(" ","").replace("/",",").split(",")
        Lat=float(Lat[0])+float(Lat[1])/60+float(Lat[2])/float(Lat[3])/3600
        if LatRef != "N":
            Lat=Lat*(-1)
        #經度
        LonRef=tags["GPS GPSLongitudeRef"].printable
        Lon=tags["GPS GPSLongitude"].printable[1:-1].replace(" ","").replace("/",",").split(",")
        Lon=float(Lon[0])+float(Lon[1])/60+float(Lon[2])/float(Lon[3])/3600
        if LonRef!="E":
            Lon=Lon*(-1)
        f.close()
    except :
        return "ERROR:請確保照片包含經緯度等EXIF信息。"
    else:
        return EXIF_Date,Lat,Lon