Python使用查找时间戳的所有方法从txt文件读取数据

分类：编程问答

如何解决Python使用查找时间戳的所有方法从txt文件读取数据

我正在从txt文件读取数据。它列出了####和####之间的数据。如果最后两行有相同的时间戳记，则工作流选择第一行并将其分开。当我在控制台中打印数据时（打印数据：），您会看到ZZZZZZ信息中存在间隙。三个时间戳相等，它检测第一个时间戳并添加间隔。因此，它不在csv文件中输出正确的名称。如何正确读取数据？它应该始终看破折号（#####）。

    Input.txt file:
    2020-08-28T11:46:24.8419656Z ################################################################################
    2020-08-28T11:46:24.8419656Z XXXXXX
    2020-08-28T11:46:39.9397372Z Execution 0
    2020-08-28T11:46:39.9417366Z Creation 0
    2020-08-28T11:46:41.4877509Z Build 0
    2020-08-28T11:48:02.6957708Z Level 0 
    2020-08-28T11:48:02.7227683Z Converting file start
    2020-08-28T11:48:11.7408315Z Converting done 0
    2020-08-28T11:48:11.8148285Z Checking results
    2020-08-28T11:48:11.8418281Z Test Status XXXXXX: Success
    2020-08-28T11:48:11.8498273Z ################################################################################
    2020-08-28T11:48:11.8498273Z YYYYYY
    2020-08-28T11:48:27.1533026Z Execution 0
    2020-08-28T11:48:27.1583035Z Creation 0
    2020-08-28T11:48:28.6763028Z Build 0
    2020-08-28T11:49:31.9180832Z Level 0 
    2020-08-28T11:49:31.9440848Z ##[error]
    2020-08-28T11:49:31.9530839Z ################################################################################
    2020-08-28T11:50:24.8419656Z ZZZZZZ
    2020-08-28T11:50:39.9397372Z Execution 0
    2020-08-28T11:50:39.9417366Z Creation 0
    2020-08-28T11:50:41.4877509Z Build 0
    2020-08-28T11:51:02.6957708Z Level 0 
    2020-08-28T11:51:02.7227683Z Converting file start
    2020-08-28T11:51:11.7408315Z Converting done 0
    2020-08-28T11:51:11.8418281Z Checking results
    2020-08-28T11:51:11.8418281Z Test Status ZZZZZZ: Success
    2020-08-28T11:51:11.8418281Z ################################################################################
    2020-08-28T11:53:24.8419656Z DDDDDD
    2020-08-28T11:53:39.9397372Z Execution 0
    2020-08-28T11:53:39.9417366Z Creation 0
    2020-08-28T11:53:41.4877509Z Build 0
    2020-08-28T11:53:02.6957708Z Level 0 
    2020-08-28T11:54:02.7227683Z Converting file start
    2020-08-28T11:54:11.7408315Z Converting done 0
    2020-08-28T11:54:11.8148285Z Checking results
    2020-08-28T11:54:11.8418281Z Test Status DDDDDD: Success
    2020-08-28T11:54:11.8498273Z ################################################################################

    Code:

    import re
    from dateutil import parser
    import pandas as pd
    
    with open('1_Build.txt') as file:
        data = file.read()
    
    timestamps = re.findall(r'(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}.+Z)\s#{3,}',data)
    text = []
    dict_list = []
    for i in range(len(timestamps)-1):
        text.append(data[data.index(timestamps[i]):data.index(timestamps[i+1])])
        time_diff = parser.isoparse(timestamps[i+1]) - parser.isoparse(timestamps[i])
        print(text[-1])
        lines = text[-1].split('\n')
        dict = {}
        dict['name'] = lines[1].split(' ')[1]
        dict['execution'] = (parser.isoparse(lines[3].split(' ')[0]) - parser.isoparse(lines[2].split(' ')[0])).seconds
        dict['creation'] = (parser.isoparse(lines[4].split(' ')[0]) - parser.isoparse(lines[3].split(' ')[0])).seconds
        dict['build'] = (parser.isoparse(lines[5].split(' ')[0]) - parser.isoparse(lines[4].split(' ')[0])).seconds
        dict['level'] = (parser.isoparse(lines[6].split(' ')[0]) - parser.isoparse(lines[5].split(' ')[0])).seconds
        if "error" in lines[-2]:
            dict['test_status'] = 1
            dict_list.append(dict)
            continue
        elif "Success" in lines[-2]:
            dict['test_status'] = 0
            dict['converting'] = (parser.isoparse(lines[7].split(' ')[0]) - parser.isoparse(lines[6].split(' ')[0])).seconds
            dict['checking'] = (parser.isoparse(lines[8].split(' ')[0]) - parser.isoparse(lines[7].split(' ')[0])).seconds
        dict_list.append(dict)
    
    
    df = pd.DataFrame(dict_list)
    df.to_csv('output.csv')


Print data:
2020-08-28T11:46:24.8419656Z ################################################################################
2020-08-28T11:46:24.8419656Z XXXXXX
2020-08-28T11:46:39.9397372Z Execution 0
2020-08-28T11:46:39.9417366Z Creation 0
2020-08-28T11:46:41.4877509Z Build 0
2020-08-28T11:48:02.6957708Z Level 0 
2020-08-28T11:48:02.7227683Z Converting file start
2020-08-28T11:48:11.7408315Z Converting done 0
2020-08-28T11:48:11.8148285Z Checking results
2020-08-28T11:48:11.8418281Z Test Status XXXXXX: Success

2020-08-28T11:48:11.8498273Z ################################################################################
2020-08-28T11:48:11.8498273Z YYYYYY
2020-08-28T11:48:27.1533026Z Execution 0
2020-08-28T11:48:27.1583035Z Creation 0
2020-08-28T11:48:28.6763028Z Build 0
2020-08-28T11:49:31.9180832Z Level 0 
2020-08-28T11:49:31.9440848Z ##[error]

2020-08-28T11:49:31.9530839Z ################################################################################
2020-08-28T11:50:24.8419656Z ZZZZZZ
2020-08-28T11:50:39.9397372Z Execution 0
2020-08-28T11:50:39.9417366Z Creation 0
2020-08-28T11:50:41.4877509Z Build 0
2020-08-28T11:51:02.6957708Z Level 0 
2020-08-28T11:51:02.7227683Z Converting file start
2020-08-28T11:51:11.7408315Z Converting done 0

2020-08-28T11:51:11.8418281Z Checking results
2020-08-28T11:51:11.8418281Z Test Status ZZZZZZ: Success
2020-08-28T11:51:11.8418281Z ################################################################################
2020-08-28T11:53:24.8419656Z DDDDDD
2020-08-28T11:53:39.9397372Z Execution 0
2020-08-28T11:53:39.9417366Z Creation 0
2020-08-28T11:53:41.4877509Z Build 0
2020-08-28T11:53:02.6957708Z Level 0 
2020-08-28T11:54:02.7227683Z Converting file start
2020-08-28T11:54:11.7408315Z Converting done 0
2020-08-28T11:54:11.8148285Z Checking results
2020-08-28T11:54:11.8418281Z Test Status DDDDDD: Success

解决方法

在抓取每个操作的块时，请检查前三个时间戳是否相等。如果是这样，请在处理之前转移行列表。

只需更改一次。

尝试以下代码：

for i in range(len(timestamps)-1):
    text.append(data[data.index(timestamps[i]):data.index(timestamps[i+1])])
    time_diff = parser.isoparse(timestamps[i+1]) - parser.isoparse(timestamps[i])
    print(text[-1])
    lines = text[-1].split('\n')
    if lines[0].split(' ')[0] == lines[2].split(' ')[0]: lines = lines[2:]  # add this line
    dict = {}

请注意，您输入的CSV在最后一个块中有错误的时间戳。构建在开始之前就结束了。

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