Python将tab受限文件转换为csv_Python_Excel_Csv_Export To Csv

Python将tab受限文件转换为csv

python excel csv

Python将tab受限文件转换为csv,python,excel,csv,export-to-csv,Python,Excel,Csv,Export To Csv,我基本上希望将制表符分隔的文本文件转换为csv文件我尝试使用Excel导入，但不是最优的，结果是： 8087 Intel Corp. 0020 Integrated Rate Matching Hub 0024 Integrated Rate Matching Hub 为了便于搜索，我希望它是： 8087 Intel Corp. 0020 Integrated Rate Matching Hub 80

我基本上希望将制表符分隔的文本文件转换为csv文件

我尝试使用Excel导入，但不是最优的，结果是：

8087  Intel Corp.
                   0020  Integrated Rate Matching Hub
                   0024  Integrated Rate Matching Hub

为了便于搜索，我希望它是：

8087  Intel Corp.    0020  Integrated Rate Matching Hub
8087  Intel Corp.    0024  Integrated Rate Matching Hub

在python中有什么方法可以做到这一点吗？

您只需要编写一个小程序，一次扫描一行数据。然后它应该检查第一个字符是否是制表符（'\t'）。如果没有，则应存储该值。如果以tab开头，则打印出之前存储的值，后跟当前行。结果将是您想要的格式的列表。

类似这样的方法可以：

import csv

lines = []

with open("usb.ids.txt") as f:
    reader = csv.reader(f, delimiter="\t")

    device = ""
    for line in reader:

        # Ignore empty lines and comments
        if len(line) == 0 or (len(line[0]) > 0 and line[0][0] == "#"):
            continue

        if line[0] != "":
            device = line[0]

        elif line[1] != "":
            lines.append((device, line[1]))


print(lines)

你基本上需要在每条线路上循环，如果它是一条设备线路，请记住以下几行。这只适用于两列，然后您需要将它们全部写入csv文件，但这很简单，类似这样的操作可以：

import csv

lines = []

with open("usb.ids.txt") as f:
    reader = csv.reader(f, delimiter="\t")

    device = ""
    for line in reader:

        # Ignore empty lines and comments
        if len(line) == 0 or (len(line[0]) > 0 and line[0][0] == "#"):
            continue

        if line[0] != "":
            device = line[0]

        elif line[1] != "":
            lines.append((device, line[1]))


print(lines)

$ListDirectory = "C:\USB_List.csv"

Invoke-WebRequest 'http://www.linux-usb.org/usb.ids' -OutFile $ListDirectory

$pageContents = Get-Content $ListDirectory | Select-Object -Skip 22

"vendor`tvendor_name`tproduct`tproduct_name`r" > $ListDirectory

#Variables and Flags
$currentVid
$currentVName
$currentPid
$currentPName
$vendorDone = $TRUE
$interfaceFlag = $FALSE
$nextline
$tab = "`t"

foreach($line in $pageContents){

    if($line.StartsWith("`#")){
        continue
    }
    elseif($line.length -eq 0){
        exit
    } 

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $TRUE)){
        $vendorDone = $FALSE
    }

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $FALSE)){
        $pos = $line.IndexOf("  ")
        $currentVid = $line.Substring(0, $pos)
        $currentVName = $line.Substring($pos+2)
        "$currentVid`t$currentVName`t`t`r" >> $ListDirectory
        $vendorDone = $TRUE
    }
    elseif ($line.StartsWith($tab)){

        if ($interfaceFlag -eq $TRUE){
            $interfaceFlag = $FALSE
        }
        $nextline = $line.TrimStart()
        if ($nextline.StartsWith($tab)){
            $interfaceFlag = $TRUE
        }
        if ($interfaceFlag -eq $FALSE){
            $pos = $nextline.IndexOf("  ")
            $currentPid = $nextline.Substring(0, $pos)
            $currentPName = $nextline.Substring($pos+2)
            "$currentVid`t$currentVName`t$currentPid`t$currentPName`r" >> $ListDirectory
            Write-Host "$currentVid`t$currentVName`t$currentPid`t$currentPName`r"
            $interfaceFlag = $FALSE
        }
    } 
}

import csv

lines = []

with open("usb.ids.txt") as f:
    reader = csv.reader(f, delimiter="\t")

    device = ""
    for line in reader:

        # Ignore empty lines and comments
        if len(line) == 0 or (len(line[0]) > 0 and line[0][0] == "#"):
            continue

        if line[0] != "":
            device = line[0]

        elif line[1] != "":
            lines.append((device, line[1]))


print(lines)

$ListDirectory = "C:\USB_List.csv"

Invoke-WebRequest 'http://www.linux-usb.org/usb.ids' -OutFile $ListDirectory

$pageContents = Get-Content $ListDirectory | Select-Object -Skip 22

"vendor`tvendor_name`tproduct`tproduct_name`r" > $ListDirectory

#Variables and Flags
$currentVid
$currentVName
$currentPid
$currentPName
$vendorDone = $TRUE
$interfaceFlag = $FALSE
$nextline
$tab = "`t"

foreach($line in $pageContents){

    if($line.StartsWith("`#")){
        continue
    }
    elseif($line.length -eq 0){
        exit
    } 

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $TRUE)){
        $vendorDone = $FALSE
    }

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $FALSE)){
        $pos = $line.IndexOf("  ")
        $currentVid = $line.Substring(0, $pos)
        $currentVName = $line.Substring($pos+2)
        "$currentVid`t$currentVName`t`t`r" >> $ListDirectory
        $vendorDone = $TRUE
    }
    elseif ($line.StartsWith($tab)){

        if ($interfaceFlag -eq $TRUE){
            $interfaceFlag = $FALSE
        }
        $nextline = $line.TrimStart()
        if ($nextline.StartsWith($tab)){
            $interfaceFlag = $TRUE
        }
        if ($interfaceFlag -eq $FALSE){
            $pos = $nextline.IndexOf("  ")
            $currentPid = $nextline.Substring(0, $pos)
            $currentPName = $nextline.Substring($pos+2)
            "$currentVid`t$currentVName`t$currentPid`t$currentPName`r" >> $ListDirectory
            Write-Host "$currentVid`t$currentVName`t$currentPid`t$currentPName`r"
            $interfaceFlag = $FALSE
        }
    } 
}

import csv

lines = []

with open("usb.ids.txt") as f:
    reader = csv.reader(f, delimiter="\t")

    device = ""
    for line in reader:

        # Ignore empty lines and comments
        if len(line) == 0 or (len(line[0]) > 0 and line[0][0] == "#"):
            continue

        if line[0] != "":
            device = line[0]

        elif line[1] != "":
            lines.append((device, line[1]))


print(lines)

$ListDirectory = "C:\USB_List.csv"

Invoke-WebRequest 'http://www.linux-usb.org/usb.ids' -OutFile $ListDirectory

$pageContents = Get-Content $ListDirectory | Select-Object -Skip 22

"vendor`tvendor_name`tproduct`tproduct_name`r" > $ListDirectory

#Variables and Flags
$currentVid
$currentVName
$currentPid
$currentPName
$vendorDone = $TRUE
$interfaceFlag = $FALSE
$nextline
$tab = "`t"

foreach($line in $pageContents){

    if($line.StartsWith("`#")){
        continue
    }
    elseif($line.length -eq 0){
        exit
    } 

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $TRUE)){
        $vendorDone = $FALSE
    }

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $FALSE)){
        $pos = $line.IndexOf("  ")
        $currentVid = $line.Substring(0, $pos)
        $currentVName = $line.Substring($pos+2)
        "$currentVid`t$currentVName`t`t`r" >> $ListDirectory
        $vendorDone = $TRUE
    }
    elseif ($line.StartsWith($tab)){

        if ($interfaceFlag -eq $TRUE){
            $interfaceFlag = $FALSE
        }
        $nextline = $line.TrimStart()
        if ($nextline.StartsWith($tab)){
            $interfaceFlag = $TRUE
        }
        if ($interfaceFlag -eq $FALSE){
            $pos = $nextline.IndexOf("  ")
            $currentPid = $nextline.Substring(0, $pos)
            $currentPName = $nextline.Substring($pos+2)
            "$currentVid`t$currentVName`t$currentPid`t$currentPName`r" >> $ListDirectory
            Write-Host "$currentVid`t$currentVName`t$currentPid`t$currentPName`r"
            $interfaceFlag = $FALSE
        }
    } 
}

你基本上需要在每条线路上循环，如果它是一条设备线路，请记住以下几行。这只适用于两列，然后需要将它们全部写入csv文件，但这很简单

$ListDirectory = "C:\USB_List.csv"

Invoke-WebRequest 'http://www.linux-usb.org/usb.ids' -OutFile $ListDirectory

$pageContents = Get-Content $ListDirectory | Select-Object -Skip 22

"vendor`tvendor_name`tproduct`tproduct_name`r" > $ListDirectory

#Variables and Flags
$currentVid
$currentVName
$currentPid
$currentPName
$vendorDone = $TRUE
$interfaceFlag = $FALSE
$nextline
$tab = "`t"

foreach($line in $pageContents){

    if($line.StartsWith("`#")){
        continue
    }
    elseif($line.length -eq 0){
        exit
    } 

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $TRUE)){
        $vendorDone = $FALSE
    }

    if(!($line.StartsWith($tab)) -and ($vendorDone -eq $FALSE)){
        $pos = $line.IndexOf("  ")
        $currentVid = $line.Substring(0, $pos)
        $currentVName = $line.Substring($pos+2)
        "$currentVid`t$currentVName`t`t`r" >> $ListDirectory
        $vendorDone = $TRUE
    }
    elseif ($line.StartsWith($tab)){

        if ($interfaceFlag -eq $TRUE){
            $interfaceFlag = $FALSE
        }
        $nextline = $line.TrimStart()
        if ($nextline.StartsWith($tab)){
            $interfaceFlag = $TRUE
        }
        if ($interfaceFlag -eq $FALSE){
            $pos = $nextline.IndexOf("  ")
            $currentPid = $nextline.Substring(0, $pos)
            $currentPName = $nextline.Substring($pos+2)
            "$currentVid`t$currentVName`t$currentPid`t$currentPName`r" >> $ListDirectory
            Write-Host "$currentVid`t$currentVName`t$currentPid`t$currentPName`r"
            $interfaceFlag = $FALSE
        }
    } 
}

我知道ask是针对python的，但我构建了这个PowerShell脚本来完成这项工作。它不需要参数。只需从要存储脚本的目录中以管理员身份运行即可。脚本收集页面中的所有内容，解析数据并将其写入以制表符分隔的文件。然后，可以在excel中以制表符分隔的文件形式打开该文件。确保列读为“文本”而不是“一般”，然后您就可以开始了。：）

解析此页面很棘手，因为脚本必须在上下文中了解进行一系列PID产品线的每个VID供应商线。我还强迫脚本忽略注释的描述部分、接口-接口名称行、他在整个USB列表（sign）中插入的随机注释以及在“#已知设备类、子类和协议列表”之后的所有内容，这些内容超出了此请求的范围

我希望这有帮助

解析这个