将行追加到pandas数据框时出错

Question

问题是我实际上是在尝试将二进制文件转换为ascii，然后分成大块，然后对于每4个大块，我想将它们保留在四列的熊猫数据帧中，因此每列将具有一块但是，当前o / p值不正确。作为输入行附加到熊猫的列表显示为列（额外），我尚未创建。请看看。

===========================================================
# Importing the required libraries
from os import walk
import binascii
import pandas as pd
import numpy as np
import chardet


    #The following defintion of the function is the create chunks of sequences
    def chunker(seq, size):
    return (seq[pos:pos + size] for pos in range(0, len(seq), size))

    # to read and  list the files in the folder
    for (dirpath, dirnames, filenames) in walk('/Users/amathur1/PycharmProjects/learningpython/NAWF_VRG_G'):
    count = 1
    for file in filenames:


    # to read all the files one by one and convert them into ASCII
        # with open(dirpath+"/"+file, 'rb') as file1:
        #     base64_data = binascii.b2a_base64(file1.read())
        #     print(base64_data)
        print(count, " : ", file)
        count = count + 1
    print("select file you want to convert")
    input_file = input()
    print("Selected file number is : ", input_file)

        #To open the selected file
    with open(dirpath + "/" + filenames[int(input_file) - 1], 'rb') as file:
        # Reading the selected file i.e. file
        read_file = file.read()
        print(read_file[0:100])


    # declaring pandas dataframe

    df = pd.DataFrame(columns=('Col1', 'Col2', 'Col3', 'Col4'))
    count = 0

    Ip_list_2 = []
    for group in chunker(read_file[0:100], 4):
        # print('This is count ', count)
        # converted_file = binascii.b2a_base64(group).decode('ascii')
        # print("Converted_file is: ", converted_file)
        if count == 4:
            print('This is count 4 ,hence restarting')
            Ip_list_2 = []
            count = 0
        else:
            print('This is count ', count)
            converted_file = binascii.b2a_base64(group).decode('ascii')
            print("Converted_file is: ", converted_file)
            #Ip_list.append(converted_file)
            Ip_list = [converted_file]
            Ip_list_2.append(Ip_list)
            print("Ip_list is ", Ip_list_2, "\n")
            # df = df.append(pd.series(Ip_list, index=['çol1', 'çol2', 'çol3', 'çol4']), ignore_index=True)
            # df = pd.DataFrame(Ip_list, columns=['çol1', 'çol2', 'çol3', 'çol4'])
            # df.append(Ip_list)
            if count == 3:
                # df1 = pd.DataFrame(Ip_list, columns=('Col1', 'Col2', 'Col3', 'Col4'))
                # df = df.append(df1, ignore_index=True)
                df = df.append(Ip_list_2,ignore_index=True)
        count += 1
    #df = df.append(pd.DataFrame(Ip_list, columns=['çol1', 'çol2', 'çol3', 'çol4']), ignore_index=True)
    print(df)


============================================================

    O/P

    Users/amathur1/PycharmProjects/learningpython/venv/bin/python "/Users/amathur1/PycharmProjects/learningpython/June26_New code_file.py"
    1  :  .DS_Store
    2  :  .RData
    3  :  .Rhistory
    4  :  STOC_VRG_FR_INDEX_G_US.034
    5  :  STOC_VRG_FR_INDEX_G_US.048
    6  :  STOC_VRG_FR_INDEX_G_US.049
    7  :  STOC_VRG_FR_INDEX_G_US.050
    8  :  STOC_VRG_FR_INDEX_G_US.064
    9  :  STOC_VRG_FR_INDEX_G_US.065
    select file you want to convert
    5
    Selected file number is :  5
    b'A\xd9\xa5\x1ab\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x0b\xda\xa5\x1ab\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\xcd\xdb\xa5\x1ab\x00\x00\x00\x04\x00\x00\x00\x01\x00\x00\x00\xff\xdb\xa5\x1ab\x00\x00\x00\x05\x00\x00\x00\x01\x00\x00\x00\xe9\xdc\xa5\x1ab\x00\x00\x00\x06\x00\x00\x00\x02\x00\x00\x00\xf7\xdc\xa5\x1ab\x00\x00\x00\x08\x00\x00\x00\x02\x00\x00\x00\x1b\xdd\xa5\x1a'
    The total count of the sequence is :  4359984
    The total of number of rows in the pandas dataframe would be : 272499.0
    This is count  0
    Converted_file is:  QdmlGg==

    Ip_list is  [['QdmlGg==\n']] 

    This is count  1
    Converted_file is:  YgAAAA==

    Ip_list is  [['QdmlGg==\n'], ['YgAAAA==\n']] 

    This is count  2
    Converted_file is:  AAAAAA==

    Ip_list is  [['QdmlGg==\n'], ['YgAAAA==\n'], ['AAAAAA==\n']] 

    This is count  3
    Converted_file is:  AgAAAA==

    Ip_list is  [['QdmlGg==\n'], ['YgAAAA==\n'], ['AAAAAA==\n'], ['AgAAAA==\n']] 

    This is count 4 ,hence restarting
    This is count  0
    ...
    ...

    ...
    .
    .
    .
    This is count 4 ,hence restarting
       Col1 Col2 Col3 Col4           0
    0   NaN  NaN  NaN  NaN  QdmlGg==\n
    1   NaN  NaN  NaN  NaN  YgAAAA==\n
    2   NaN  NaN  NaN  NaN  AAAAAA==\n
    3   NaN  NaN  NaN  NaN  AgAAAA==\n
    4   NaN  NaN  NaN  NaN  YgAAAA==\n
    5   NaN  NaN  NaN  NaN  AgAAAA==\n
    6   NaN  NaN  NaN  NaN  AgAAAA==\n
    7   NaN  NaN  NaN  NaN  zdulGg==\n
    8   NaN  NaN  NaN  NaN  BAAAAA==\n
    9   NaN  NaN  NaN  NaN  AQAAAA==\n
    10  NaN  NaN  NaN  NaN  /9ulGg==\n
    11  NaN  NaN  NaN  NaN  YgAAAA==\n
    12  NaN  NaN  NaN  NaN  AQAAAA==\n
    13  NaN  NaN  NaN  NaN  6dylGg==\n
    14  NaN  NaN  NaN  NaN  YgAAAA==\n
    15  NaN  NaN  NaN  NaN  BgAAAA==\n
    16  NaN  NaN  NaN  NaN  99ylGg==\n
    17  NaN  NaN  NaN  NaN  YgAAAA==\n
    18  NaN  NaN  NaN  NaN  CAAAAA==\n
    19  NaN  NaN  NaN  NaN  AgAAAA==\n

    Process finished with exit code 0