Doesn't work for me. Getting all sorts of errors.

[Jay]

Here are my commands and output:

11-03 04:10:10 D:\Dev\Python\00 VENV\DomColors> .\Scripts\activate.ps1
(DomColors) 11-03 04:10:16 D:\Dev\Python\00 VENV\DomColors> pipreqs .
Traceback (most recent call last):
  File "<frozen runpy>", line 198, in _run_module_as_main
  File "<frozen runpy>", line 88, in _run_code
  File "C:\Python\Python311\scripts\pipreqs.exe\__main__.py", line 7, in <module>
  File "C:\Python\Python311\Lib\site-packages\pipreqs\pipreqs.py", line 528, in main
    init(args)
  File "C:\Python\Python311\Lib\site-packages\pipreqs\pipreqs.py", line 455, in init
    candidates = get_all_imports(input_path,
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Python\Python311\Lib\site-packages\pipreqs\pipreqs.py", line 115, in get_all_imports
    contents = f.read()
               ^^^^^^^^
  File "C:\Python\Python311\Lib\encodings\cp1252.py", line 23, in decode
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 24359: character maps to <undefined>
(DomColors) 11-03 04:10:25 D:\Dev\Python\00 VENV\DomColors>

The VENV is using:
Python 3.11.6 (tags/v3.11.6:8b6ee5b, Oct 2 2023, 14:57:12) [MSC v.1935 64 bit (AMD64)] on win32

Here are the dependencies from running pip list:

Package            Version
------------------ ------------
certifi            2023.7.22
charset-normalizer 3.3.2
colorama           0.4.6
colorclass         2.2.2
colorthief         0.2.1
contourpy          1.1.1
cycler             0.12.1
docopt             0.6.2
fonttools          4.43.1
idna               3.4
imageio            2.31.6
joblib             1.3.2
kiwisolver         1.4.5
lazy_loader        0.3
matplotlib         3.8.1
networkx           3.2.1
numpy              1.26.1
opencv-python      4.8.1.78
packaging          23.2
pandas             2.1.2
Pillow             10.0.1
pip                23.3.1
pip-upgrader       1.4.15
pyparsing          3.1.1
python-dateutil    2.8.2
pytz               2023.3.post1
PyWavelets         1.4.1
requests           2.31.0
scikit-image       0.22.0
scikit-learn       1.3.2
scipy              1.11.3
setuptools         68.2.2
six                1.16.0
terminaltables     3.1.10
threadpoolctl      3.2.0
tifffile           2023.9.26
tzdata             2023.3
urllib3            2.0.7
wheel              0.41.3

Any way to get this working properly? Can I help with reproducing this error? Any assistance would be warmly welcomed.

Thanks,
Jay

[Alan Barzilay]

You have to figure out your file encoding to fix this issue, it is using a character not recognized by the default encoding. A good first attempt is to try utf-8

[Jay]

I don't exactly understand how to do that. Do you mean use the --encoding flag for pipreqs and set it to UTF-8?
Or is there another setting for python itself that I need to change? I thought I was using UTF-8 for everything.

Also, how can I find out exactly what character is not being recognized?

I apologize, but can you give me just a little more information?

[Alan Barzilay]

Do you mean use the --encoding flag for pipreqs and set it to UTF-8?

yes, --encoding="utf-8". No idea why this isnt the default but it will be starting from next release

Also, how can I find out exactly what character is not being recognized?

Sadly this error message wasnt that helpful, the character is this one: byte 0x81 in position 24359. But that doesn't really help us haha maybe if you knew the file that is raising this issue.

btw, from your output I guess you are using this encoding at the moment: cp1252

Sorry I cant be of more help :/ maybe running with skip-errors could give you at least a partial requirements file if changing the encoding doesn't work? I'm out of ideas haha but good luck