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最近看到大家在用jupyter notebook，我也试了一下，感觉还不错，不过，也遇到了一些问题，比方说，我有堆的.py文件，如果要一个一个将其复制-粘贴到jupyter notebook中工作量将是非常大的，所以，我就在想有没一种方法可以让我能够实现.py文件到.ipynb文件的转换。

jupyter nbconvert

关于这个问题，我也试着问了一下ChatGPT

根据ChatGPT的回复，我尝试着用命令

jupyter nbconvert --to notebook --execute utils.py --output utils.ipynb

转换，结果提示我的文件有问题，下面是我的原始文件内容：

(lanzhou) lwk@qwfys:~/Public/project/python/alink_tutorial_python/pyalink$ cat utils.py
from pyalink.alink import *
import os
from datetime import datetime
from math import floorROOT_DIR = "/home/lwk/data/pyalink/"def generateSchemaString(colNames, colTypes):n = len(colNames)str = ''for i in range(n):if i>0 :str = str + ","str = str + colNames[i] + " " + colTypes[i]return strdef splitTrainTestIfNotExist(source, trainFilePath, testFilePath, ratio):if not(os.path.exists(trainFilePath) or os.path.exists(testFilePath)):spliter = SplitBatchOp().setFraction(ratio)source.link(spliter)spliter.link(AkSinkBatchOp().setFilePath(trainFilePath))spliter.getSideOutput(0)\.link(AkSinkBatchOp().setFilePath(testFilePath))BatchOperator.execute()class Stopwatch :def __init__(self):self.timer_start = datetime.now()self.timer_end = datetime.now()def start(self):self.timer_start = datetime.now()def stop(self):self.timer_end = datetime.now()def reset(self):self.timer_start = datetime.now()def getElapsedTimeSpan(self):elapse = self.timer_end - self.timer_startr = "";if elapse.days > 0 :r += str(elapse.days) + " days  "if elapse.seconds >= 3600 :r += str(floor(elapse.seconds/3600)) + " hours  "if elapse.seconds >= 60 :r += str(floor(elapse.seconds%3600/60)) + " minutes  "if elapse.seconds > 0 :r += str(elapse.seconds%60) + " seconds  "if elapse.microseconds > 0 :r += str(elapse.microseconds/1000) + " milliseconds  "return r
(lanzhou) lwk@qwfys:~/Public/project/python/alink_tutorial_python/pyalink$ 

这个问题暂时先不管了，我们用另外一种方式来转换。

p2j

这里，我们先来安装p2j包，即：

(lanzhou) lwk@qwfys:~/Public/project/python/alink_tutorial_python/pyalink$ pip install p2j
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple/
Collecting p2jDownloading https://pypi.tuna.tsinghua.edu.cn/packages/ee/5b/98fd10f7ba9fdfc99613c99040a87285dfc68392e5a059c22387ea814e39/p2j-1.3.2-py3-none-any.whl (19 kB)
Installing collected packages: p2j
Successfully installed p2j-1.3.2
(lanzhou) lwk@qwfys:~/Public/project/python/alink_tutorial_python/pyalink$

接下来，我们借助p2j来转换

(lanzhou) lwk@qwfys:~/Public/project/python/alink_tutorial_python/pyalink$ p2j utils.py 
Notebook utils.ipynb written.
(lanzhou) lwk@qwfys:~/Public/project/python/alink_tutorial_python/pyalink$ 

我们看到.pynb文件已经生成，接下来，我们在jupyter notebook中打开新生成的utils.ipynb文件，如下图所示。

至此，我们任务就算完成了。

参考文献

• Convert .py to .ipynb
• pip / p2j 1.3.2