How do I delete a Python interview
Python Directory & File Management- A Quick and Easy Tutorial
So far we've mostly only seen the computing power of Python. Today we are going to talk about how we can deal with this with Python directory.
Following this tutorial, you will be able to create, rename, list files in a directory in Python, and work with the Python directory.
In a computer system, files are organized in directories. These can contain subdirectories and files. This is, in fact, an essential part of a user-friendly interface.,
But don't be confused; A dictionary is just what you call a folder.
In this Python Directory tutorial, we will import the operating system module to access the methods that we will apply.>>> import os
Introduction to Python Directory
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How do I get the current Python directory?
To find out which directory you are currently in in Python, use the getcwd () method.>>> os.getcwd ()
'C: \ Users \ lifei \ AppData \ Local \ Programs \ Python \ Python36-32 ‘
Cwd is for the current working directory in Python. This returns the path of the current Python directory as a string in Python.
To get it as a byte object we use the getcwdb ().,>>> os.getcwdb ()
b’C: \ Users \ lifei \ AppData \ Local \ Programs \ Python \ Python36-32 ′
Here we get two backslashes instead of one. This is because we want the first to escape the second as this is a String object.>>> type (os.getcwd ())
Use the Python method with the print statement to render them properly.,>>> print (os.getcwd ())
C: \ Users \ lifei \ AppData \ Local \ Programs \ Python \ Python36-32
Change current Python directory
To change our current working directories in Python, we use the chdir () method.
This requires one argument - the path to the directory to be changed to.,>>> os.chdir ('C: \ Users \ lifei')
SyntaxError: (Unicode error)
'Unicodeescape' code cannot decode bytes in position 2-3: truncated \ UXXXXXXXX escape
But keep in mind that when using forward slashes, it is recommended that you bypass the backward slashes to avoid a problem.>>> os.chdir ('C: \ Users \ lifei') >>> os.getcwd ()
'C: \ Users \ lifei'
When you restart the shell we will return to the standard working Python directory.,>>> os.chdir ('C: \ Users \ lifei') >>> os.getcwd ()
'C: \ Users \ lifei'
You can also use forward slashes for the path. That way, you don't have to use backward strokes to escape.>>> os.chdir ('C: / Users / lifei') >>> os.getcwd ()
'C: \ Users \ lifei'
Finally, you can use double quotes as well.>>> os.chdir ("C: \ Users \ lifei")
List Python directories and files
To get the contents of a directory in a Python list, we use the listdir () method.>>> os.listdir ()
Note that this also includes the hidden and system files.,>>> os.chdir ("C: \ Users \ lifei \ Desktop") >>> os.listdir ()
This shows us the content on the desktop. This was about Python List directory.
How do I create a python directory?
We can also create new Python directories with the mkdir () method. One argument is required, ie the path of the new Python directory to be created.>>> os.mkdir ('Christmas Photos') >>> os.listdir ()
Here we have given the name of the Python directory to be created.
We can also create a directory in a different directory than the current working directory in Python. To do this, you need to provide the full path.,
How do I rename the python directory?
To rename directories in Python, we use the rename () method. Two arguments are required - the Python directory to be renamed and the new name for it.>>> os.rename ('Christmas Photos', 'Christmas 2017') >>> os.listdir ()
How do I remove Python directory / file?
We have a file called 'Readme.txt' in our Christmas 2017 folder. To delete this file, we use the remove () method.>>> os.chdir ('C: \ Users \ lifei \ Desktop \ Christmas 2017') >>> os.listdir ()
To remove a Python directory, we use the rmdir () method. To do this, however, the directory must be empty.,
So we're adding Readme.txt again to see if we can delete Christmas 2017.>>> os.rmdir ('Christmas 2017') Traceback (most recent call last): File "
OSError: The directory is not empty: 'Christmas 2017'
As you can see, it threw a Python exception called OSError.
So let's first remove the file and then the Python directory.>>> os.remove ('C: \ Users \ lifei \ Desktop \ Christmas 2017 \ Readme.txt') >>> os.rmdir ('Christmas 2017') >>> os.listdir ()
Joining and Splitting Path
We need to use platform-independent files and directories in Python paths so that our program will run on any platform. We use the submodule os.pfad for this.,
join () in Python joins path components and returns a path as a string. It adds appropriate separators (\ for Windows and / for Unix)>>> os.path.join ('C:', 'Users', 'lifei', 'Desktop')
'C: Users \ lifei \ Desktop'
Conversely, split () splits the path into components and removes the separator.>>> os.path.split ('C: Users \ lifei \ Desktop')
('C: Users \ lifei', 'Desktop')
Check whether a directory exists
It is possible to check if there is a path. We use the exists () function for this. This is also in the operating system. Submodule path.,>>> os.path.exists ('C: \ Users \ lifei \ Desktop')
output>>> os.path.exists ('C: \ Users \ lifei \ Desktop \ Myfolder')
output>>> os.path.exists ('C: \ Users \ lifei \ Desktop \ topics.txt')
> To then check whether this path leads to a directory, we use the isdir () function.>>> os.path.isdir ('C: \ Users \ lifei \ Desktop')
output>>> os.path.isdir ('C: \ Users \ lifei \ Desktop \ topics.txt')
Recursively traversing a directory in Python
The walk () function allows us to traverse a directory recursively., This means that the roots, subdirectories and files in a directory are returned.
You can iterate through it using for loops in Python.>>> for roots, dirs, files in os.walk ('C: \ Users \ lifei \ Desktop \ Papers'): print (roots, len (dirs), len (files))
C: \ Users \ lifei \ Desktop \ Papers \ Newfolder 0 1
In fact, these are giving us Python generator objects. Therefore we can cross it.,>>> os.walk ('C: \ Users \ lifei \ Desktop \ Papers')
Python interview questions about directories
- How do I create a new directory in Python?
- How do I get a list of directories in Python?
- How do I compare two directories in Python?
- How do I check if there is a directory in Python?
- How do I create a parent directory in Python?
What we discussed today are just a few of the methods Python can use to work with files and directories.,
With these we can create, rename and delete a Python directory. You can also traverse them and see if there is a path.
Do you already feel powerful? There is more to come on our journey with Python.
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