Permission denied error while writing to a file in Python

Question

I want to create a file and write some integer data to it in python  For example  I have a variable abc   3 and I am trying to write it to a file  which doesn t exist and I assume python will create it on its own    fout   open  newfile dat    w   fout write abc    First  will python create a newfile dat on its own  Secondly  it s giving me this error   IOError   Errno 13  Permission denied   newfile dat    What s wrong here

User · Answer

Please close the file if its still open on your computer  then try running the python code  I hope it works

User · Answer

I write python script with IDLE3 8 python 3 8 0  I have solved this question  if the path is  shelve open  C   database dat   it will be  PermissionError   Errno 13  Permission denied   C   database dat dat   But when I test to set the path as  shelve open  E   database dat   That is OK    Then I test all the drive such as C D F     on my computer Only when the Path set in Disk      C      will get the permission denied error  So I think this is a protect path in windows to avoid python script to change or read files in system Disk Disk C

User · Answer

I ve had the same issue using the cmd  windows command line  like this  C  Windows System32 gt   G  my folder myProgram py    Where inside the python file something like this  myfile   open  myOutput txt    w     The error was that when you don t use a full path  python would use your current directory  and because the default directory on cmd is   C  Windows System32    that won t work  as it seems to be write-protected and needs permission  amp  confirmation form an administrator  Instead  you should use full paths  for example   myfile   open  G  my folder myOutput txt    w

User · Answer

This also happens when you attempt to create a file with the same name as a directory   import os  conflict    conflict     Create a directory with a given name try       os makedirs conflict  except OSError      if not os path isdir conflict           raise    Attempt to create a file with the same name file   open conflict   w      Result   IOError   Errno 13  Permission denied   conflict

User · Answer

Make sure that you have write permissions for that directory you were trying to create file by properties

User · Answer

In order to write on a file by using a Python script  you would have to create a text file first  Example  A file such as C  logs logs txt should exist  Only then the following code works   logfile open r C  logs logs txt   w     So summary         A text file should exist  on the specified location   Make sure you close the file before running the Python script

User · Answer

To answer your first question  yes  if the file is not there Python will create it   Secondly  the user  yourself  running the python script doesn t have write privileges to create a file in the directory

User · Answer

Permission denied simply means the system is not having permission to write the file to that folder  Give permissions to the folder using  sudo chmod 777   from terminal and try to run it  It worked for me

User · Answer

If you are executing the python script via terminal pass --user to provide admin permissions   Worked for me   If you are using windows run the file as admin   If you are executing via cmd  run cmd as admin and execute the python script

[python] Permission denied error while writing to a file in Python

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