I am managing dependencies in my Python project via Poetry.
Now I want to run this project in a machine which is different from my dev machine. To install dependecies, I simply run this command from the root directory:
$ poetry install
but then it raises the following errors:
Updating dependencies
Resolving dependencies...
Writing lock file
Package operations: 70 installs, 0 updates, 0 removals
• Installing colorama (0.4.4)
• Installing tzdata (2021.1)
ValueError
File \C:\Users\tteguayco\AppData\Local\pypoetry\Cache\artifacts\9e\b3\11\7d87ac44fdb2d557301f1f4086a37c080d1482a98751abe7cdbabbad26\colorama-0.4.4-py2.py3-none-any.whl does not exist
at ~\AppData\Local\Programs\Python\Python39\lib\site-packages\poetry\core\packages\file_dependency.py:40 in __init__
36│ except FileNotFoundError:
37│ raise ValueError("Directory {} does not exist".format(self._path))
38│
39│ if not self._full_path.exists():
→ 40│ raise ValueError("File {} does not exist".format(self._path))
41│
42│ if self._full_path.is_dir():
43│ raise ValueError("{} is a directory, expected a file".format(self._path))
44│
ValueError
File \C:\Users\tteguayco\AppData\Local\pypoetry\Cache\artifacts\45\2d\cb\6443e36999e7ab3926d5385dfac9ee9ea2a62f8111ff71abb6aff70674\tzdata-2021.1-py2.py3-none-any.whl does not exist
at ~\AppData\Local\Programs\Python\Python39\lib\site-packages\poetry\core\packages\file_dependency.py:40 in __init__
36│ except FileNotFoundError:
37│ raise ValueError("Directory {} does not exist".format(self._path))
38│
39│ if not self._full_path.exists():
→ 40│ raise ValueError("File {} does not exist".format(self._path))
41│
42│ if self._full_path.is_dir():
43│ raise ValueError("{} is a directory, expected a file".format(self._path))
44│
It would be good to know what these *.whl are and how they are used by Poetry.
Specifically I found that deleting the AppData\Local\pypoetry\Cache\artifacts folder (I'm on Windows 10) worked for me. virtualenvs for other projects may be in AppData\Local\pypoetry\Cache\virtualenvs so you might not want to delete the root cache folder at AppData\Local\pypoetry\Cache in its entirety.
According to https://github.com/python-poetry/poetry/issues/4163, it seems to be an issue still pending to be resolved.
As a workaround, dumping dependencies to a requirements.txt file via poetry:
$ poetry export -f requirements.txt --output requirements.txt --without-hashes
and then installing them via pip, worked for me:
$ pip install -r requirements.txt
It seems to be related to poetry cache. For me, it works as intended if i go to User\user\AppData\Local\pypoetry and I delete the cache folder.