File permission denied error when using utf8

[PhilippWillms]

Hi,
installed pipreqsnb version 0.2.3 today with pip.

When running pipreqsnb --encoding=utf8 on a jupyter notebook in a folder where my current user has full rights, I get permission denied error in following error trace:

pipreqs --encoding utf8 --savepath /requirements.txt .//__temp_pipreqsnb_folder/
Traceback (most recent call last):
File "c:\anaconda3\lib\runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "c:\anaconda3\lib\runpy.py", line 85, in run_code
exec(code, run_globals)
File "C:\Anaconda3\Scripts\pipreqs.exe_main.py", line 7, in
File "c:\anaconda3\lib\site-packages\pipreqs\pipreqs.py", line 470, in main
init(args)
File "c:\anaconda3\lib\site-packages\pipreqs\pipreqs.py", line 460, in init
generate_requirements_file(path, imports)
File "c:\anaconda3\lib\site-packages\pipreqs\pipreqs.py", line 165, in generate_requirements_file
with _open(path, "w") as out_file:
File "c:\anaconda3\lib\contextlib.py", line 112, in enter
return next(self.gen)
File "c:\anaconda3\lib\site-packages\pipreqs\pipreqs.py", line 88, in _open
file = open(filename, mode)
PermissionError: [Errno 13] Permission denied: '/requirements.txt'

This permission denied error does not occur if I run without the encoding option. However, I need the encoding option as otherwise I get a charmp error.

jupyter version: 1.0.0
python version: 3.7.10
pip version: 21.0.1
conda version: 4.10.1

[ivanlen]

Hey, could you provide me the full command that you are running?
Thanks!

[PhilippWillms]

pipreqsnb --encoding=utf8 LitRevCoding_ContingencyAnalysisGraph.ipynb

[ivanlen]

Thanks, since I don't have a Windows OS currently available to make the tests, can I ask you to run the same command and add a specific file in your Desktop or home directory where you have write perssions?
you have to use the savepath argument output_file
for example C:\Users\YourUser\Documents\requirements.txt

pipreqsnb --encoding=utf8 LitRevCoding_ContingencyAnalysisGraph.ipynb --savepath C:\Users\YourUser\Desktop\requirements.txt

I just want to try if this workaround is a fix.
Thanks!

[PhilippWillms]

I can give you the following observations:

• pipreqsnb --encoding=utf8 LitRevCoding_ContingencyAnalysisGraph.ipynb --savepath="C:\Users\Philipp Willms\requirement1.txt"
  leads to following output

pipreqs --encoding utf8 --savepath C:\Users\Philipp Willms\requirements1.txt .//__temp_pipreqsnb_folder/
Usage:
pipreqs [options] [< path >]

• Using a target file directory without spaces in directory name, your workaround works.
  pipreqsnb --encoding=utf8 LitRevCoding_ContingencyAnalysisGraph.ipynb --savepath "C:\Users\Public\requirements.txt"

INFO: Successfully saved requirements file in C:\Users\Public\requirements.txt

Based on that I would conclude that it is less a permission but rather an encoding / filesystem topic. I hope this helps!

[ivanlen]

Exactly, thank you for the feedback. I was suspecting that is something related to the filesystem/os . I just wanted to make sure before changing the code.

There are some things in pipreqsnb that are kind of hardcoded. So I will use some library that to config the paths and working dirs instead of writing the dirs by my self and I think that everything will work fine.

In the meantime you can set the savepath and I let you know when I have the new release ready, I have some stuff to finish but I think that I will have it in a couple of days. Sorry for the inconveniences.

Cheers.

[ivanlen]

Hi @PhilippWillms , I think I hace a patch.
Would you mind uninstalling the repo and installing it from source and see if the bug still persists?

1. activate the env that you are using
2. uninstall your current version pip uninstall pipreqsnb
3. pip install https://github.com/ivanlen/pipreqsnb/archive/master.zip

If this solves the problem I will upload it to pypi so the pip install pipreqsnb is updated.

Thanks!

[PhilippWillms]

Unfortunately, now even the workaround with the filepath w/o spaces does not work anymore.
pipreqsnb --encoding=utf8 LitRevCoding_ContingencyAnalysisGraph.ipynb --savepath "C:\Users\Public\requirements.txt"
as well as pipreqsnb --encoding=utf8 LitRevCoding_ContingencyAnalysisGraph.ipynb
lead to following output

Usage:
pipreqs [options] []

[ivanlen]

Hey @PhilippWillms , I am trying different options and everything seems to be working:

(base) C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson>pipreqsnb tests --encoding=utf8 --savepath reqs.txt
pipreqs  --encoding utf8 --savepath reqs.txt tests
INFO: Successfully saved requirements file in reqs.txt

(base) C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson>pipreqsnb tests --encoding=utf8 --savepath "C:\Users\Administrator\Desktop\reqs.txt"
pipreqs  --encoding utf8 --savepath C:\Users\Administrator\Desktop\reqs.txt tests
INFO: Successfully saved requirements file in C:\Users\Administrator\Desktop\reqs.txt

and also with specific files instead of folders

(base) C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson>pipreqsnb tests\autoencoder_test.ipynb --savepath reqs.txt --encoding utf8
pipreqs  --encoding utf8 --savepath reqs.txt C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson\__temp_pipreqsnb_folder
INFO: Successfully saved requirements file in reqs.txt

and also I tried to reproduce your syntax completely (I only changed the target filename)

(base) C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson>pipreqsnb --encoding=utf8 tests\autoencoder_test.ipynb --savepath="C:\Users\Administrator\Desktop\requirements.txt"
pipreqs  --encoding utf8 --savepath C:\Users\Administrator\Desktop\requirements.txt C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson\__temp_pipreqsnb_folder
INFO: Successfully saved requirements file in C:\Users\Administrator\Desktop\requirements.txt

(base) C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson\tests>pipreqsnb autoencoder_test.ipynb --encoding=utf8 --savepath=C:\Users\Administrator\Desktop\tessst.txt
pipreqs  --encoding utf8 --savepath C:\Users\Administrator\Desktop\tessst.txt C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson\tests\__temp_pipreqsnb_folder
INFO: Successfully saved requirements file in C:\Users\Administrator\Desktop\tessst.txt

I don't know how to reproduce your issue.

I am running python in a virtual env created using conda on Windows. Then I installed pipreqsnb following the command that I provided you.

I don't know how to reproduce the issue, but check that when you target a specific ipynb file, a temporal folder is created. In my particular case it is created in the same directory as the target file (C:\Users\Administrator\Downloads\pipreqsnb-bugfix-windows_permisson\pipreqsnb-bugfix-windows_permisson\tests\__temp_pipreqsnb_folder) for the last example, so the patch seems to be working at least for me.

[PhilippWillms]

Hey @ivanlen ,
I figured out what is still open: The error I reported 23 hours ago seems to be related to the fact that I am running pipreqnsnb for a file in a folder with a space in the file path.

(base) C:\Users\Philipp Willms\git\PhilippsPythonStuff\ContingencyAnalysis>pipreqsnb LitRevCodingContingencyAnalysisGraph.ipynb --encoding=utf8 --savepath reqs.txt

However, if give full file path within quotation marks in specifying file input for pipreqnb command, then it works

pipreqsnb "C:\Users\Philipp Willms\git\PhilippsPythonStuff\ContingencyAnalysis\LitRevCodingContingencyAnalysisGraph.ipynb" --encoding=utf8 --savepath reqs.txt