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Error while installing jupyterlab with poetry

I can't isntall JupyterLab with poetry. I keep getting this error. I've tried deleting cache by:
rm -rf ~/Library/Caches/pypoetry/artifacts/*
and
poetry cache clear pypi --all
but I keep getting the following error:
$ poetry add --group dev jupyterlab
Using version ^3.6.1 for jupyterlab
Updating dependencies
Resolving dependencies... (2.6s)
Package operations: 12 installs, 0 updates, 0 removals
• Installing y-py (0.5.5): Failed
CalledProcessError
Command '['/Users/mc/Library/Caches/pypoetry/virtualenvs/showcase-project-lis5iaDt-py3.9/bin/python', '-m', 'pip', 'install', '--use-pep517', '--disable-pip-version-check', '--isolated', '--no-input', '--prefix', '/Users/mc/Library/Caches/pypoetry/virtualenvs/showcase-project-lis5iaDt-py3.9', '--no-deps', '/Users/mc/Library/Caches/pypoetry/artifacts/be/5d/9c/38ed00c38e66f11b3f1295c0b4fa2565c954b8e0c8d63deac26e996efa/y_py-0.5.5.tar.gz']' returned non-zero exit status 1.
at /opt/homebrew/Cellar/python#3.9/3.9.16/Frameworks/Python.framework/Versions/3.9/lib/python3.9/subprocess.py:528 in run
524│ # We don't call process.wait() as .__exit__ does that for us.
525│ raise
526│ retcode = process.poll()
527│ if check and retcode:
→ 528│ raise CalledProcessError(retcode, process.args,
529│ output=stdout, stderr=stderr)
530│ return CompletedProcess(process.args, retcode, stdout, stderr)
531│
532│
The following error occurred when trying to handle this error:
EnvCommandError
Command ['/Users/mc/Library/Caches/pypoetry/virtualenvs/showcase-project-lis5iaDt-py3.9/bin/python', '-m', 'pip', 'install', '--use-pep517', '--disable-pip-version-check', '--isolated', '--no-input', '--prefix', '/Users/mc/Library/Caches/pypoetry/virtualenvs/showcase-project-lis5iaDt-py3.9', '--no-deps', '/Users/mc/Library/Caches/pypoetry/artifacts/be/5d/9c/38ed00c38e66f11b3f1295c0b4fa2565c954b8e0c8d63deac26e996efa/y_py-0.5.5.tar.gz'] errored with the following return code 1, and output:
Processing /Users/mc/Library/Caches/pypoetry/artifacts/be/5d/9c/38ed00c38e66f11b3f1295c0b4fa2565c954b8e0c8d63deac26e996efa/y_py-0.5.5.tar.gz
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'done'
Preparing metadata (pyproject.toml): started
Preparing metadata (pyproject.toml): finished with status 'error'
error: subprocess-exited-with-error
× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [6 lines of output]
Cargo, the Rust package manager, is not installed or is not on PATH.
This package requires Rust and Cargo to compile extensions. Install it through
the system's package manager or via https://rustup.rs/
Checking for Rust toolchain....
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed
× Encountered error while generating package metadata.
╰─> See above for output.
note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
at ~/Library/Application Support/pypoetry/venv/lib/python3.9/site-packages/poetry/utils/env.py:1540 in _run
1536│ output = subprocess.check_output(
1537│ command, stderr=subprocess.STDOUT, env=env, **kwargs
1538│ )
1539│ except CalledProcessError as e:
→ 1540│ raise EnvCommandError(e, input=input_)
1541│
1542│ return decode(output)
1543│
1544│ def execute(self, bin: str, *args: str, **kwargs: Any) -> int:
The following error occurred when trying to handle this error:
PoetryException
Failed to install /Users/mc/Library/Caches/pypoetry/artifacts/be/5d/9c/38ed00c38e66f11b3f1295c0b4fa2565c954b8e0c8d63deac26e996efa/y_py-0.5.5.tar.gz
at ~/Library/Application Support/pypoetry/venv/lib/python3.9/site-packages/poetry/utils/pip.py:58 in pip_install
54│
55│ try:
56│ return environment.run_pip(*args)
57│ except EnvCommandError as e:
→ 58│ raise PoetryException(f"Failed to install {path.as_posix()}") from e
59│
Env info
$ poetry env info
Virtualenv
Python: 3.9.16
Implementation: CPython
Path: /Users/mc/Library/Caches/pypoetry/virtualenvs/showcase-project-lis5iaDt-py3.9
Executable: /Users/mc/Library/Caches/pypoetry/virtualenvs/showcase-project-lis5iaDt-py3.9/bin/python
Valid: True
System
Platform: darwin
OS: posix
Python: 3.9.16
Path: /opt/homebrew/opt/python#3.9/Frameworks/Python.framework/Versions/3.9
Executable: /opt/homebrew/opt/python#3.9/Frameworks/Python.framework/Versions/3.9/bin/python3.9
How can I solve this issue with y_py package?
Do I really need to install rust to use jupyterlab with poetry as stated in the message?

It seems that there is a bug with jupyterLab latest version
https://github.com/jupyterlab/jupyterlab/issues/12436
Just install jupyterlab older version:
poetry add --group dev jupyterlab==3.5.2

You need to install rust and cargo locally to run this
rustup is an installer for
the systems programming language
After that try running poetry add --group dev jupyterlab
jupyterlab package has dependencies that require compilation, and Rust and Cargo are needed to build those dependencies. It attempts to install y-py, can you try installing python from conda-forge and then install y-py. may be that helps and poetry works without rust & cargo

python-poppler-qt5 installation error on mac

I am trying to install the package python_poppler-qt5, but I've got the following error:
pip install python-poppler-qt5
Collecting python-poppler-qt5
Using cached python-poppler-qt5-21.1.0.tar.gz (28 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Users/xizg0003/opt/anaconda3/bin/python /Users/xizg0003/opt/anaconda3/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/tmp13hlg21d
cwd: /private/var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/pip-install-5gvnukb2/python-poppler-qt5
Complete output (5 lines):
Querying qmake about your Qt installation...
/usr/local/opt/qt/bin/qmake -query
These bindings will be built: Poppler-Qt5.
Generating the Poppler-Qt5 bindings...
_in_process.py: /private/var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/pip-build-env-fkuu2mr4/overlay/lib/python3.7/site-packages/PyQt5/bindings/QtCore/QtCore.toml: 'QtCore' was built against ABI v12 but this module is being built against ABI v13
----------------------------------------
ERROR: Command errored out with exit status 1: /Users/xizg0003/opt/anaconda3/bin/python /Users/xizg0003/opt/anaconda3/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/tmp13hlg21d Check the logs for full command output.
So it seems to be a version conflict. Could you help me figure out how to solve this issue?
Installation environment
macOS Catalina v 10.15.4
python v 3.7.6
PyQt5 v 5.15.4
After having unistalled Qt6 and installed Qt5 via homebrew I got the following error:
pip install python-poppler-qt5
Collecting python-poppler-qt5
Using cached python-poppler-qt5-21.1.0.tar.gz (28 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Command errored out with exit status 1:
command: /Users/xizg0003/opt/anaconda3/bin/python /Users/xizg0003/opt/anaconda3/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/tmpnu302c2v
cwd: /private/var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/pip-install-_wyb5s0h/python-poppler-qt5
Complete output (6 lines):
Querying qmake about your Qt installation...
/Users/xizg0003/opt/anaconda3/bin/qmake -query
These bindings will be built: Poppler-Qt5.
Generating the Poppler-Qt5 bindings...
_in_process.py: poppler-form.sip:152: ::Poppler::FormFieldChoice::choicesWithExportValues() unsupported function return type - provide %MethodCode and a C++ signature
----------------------------------------
ERROR: Command errored out with exit status 1: /Users/xizg0003/opt/anaconda3/bin/python /Users/xizg0003/opt/anaconda3/lib/python3.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /var/folders/57/f7xzdhs15v50pw097zyr8c44mxrzqx/T/tmpnu302c2v Check the logs for full command output.

The first error is caused by using a different version with which PyQt5 was compiled, in this case Qt6 was used but PyQt5 was compiled with Qt 5.15.4.
The second error is caused because the code uploaded to pypi has a bug, in this case the solution is to use the code from the project repository and compile it directly:
pip install PyQt-builder sip
git clone https://github.com/frescobaldi/python-poppler-qt5
cd python-poppler-qt5
sip-build
sip-install

How do I resolve error installing manim using poetry?

I want to setup manim community repo using poetry. I ran the command "poetry install". I am getting the following error.
Python 3.8.5, Pip 20.2.4
EnvCommandError
Command D:\manim\venv\Scripts\pip.exe install --no-deps file:///C:/Users/abc/AppData/Local/pypoetry/Cache/artifacts/03/ee/1a/ee5da5d7b449da38c4e593ecc6a57342de04222cd7fbe5b126a4e3f
df0/pangocairocffi-0.3.2.tar.gz errored with the following return code 1, and output:
Processing c:\users\abc\appdata\local\pypoetry\cache\artifacts\03\ee\1a\ee5da5d7b449da38c4e593ecc6a57342de04222cd7fbe5b126a4e3fdf0\pangocairocffi-0.3.2.tar.gz
ERROR: Command errored out with exit status 1:
...
...
...
OSError: dlopen() failed to load a library: pango / pango-1 / pango-1.0 / pango-1.0-0
----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

Use poetry only when you want to contribute to Manim Community itself, or else don't use it.
Now let's, come to the error. What the error, say's is it can't find some shared libraries. According to the docs, it says, you have to install Pango for it to work.
Possibly, you may have missed this step.
https://docs.manim.community/en/latest/installation/win.html#pango-installation

pip install darknetpy not working, "ERROR: Command errored out with exit status 1"

I am trying to install darknetpy using these instructions:
https://pypi.org/project/darknetpy/
however every time I run 'pip install darknetpy' I get:
$ pip install darknetpy
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. pip 21.0 will drop support for Python 2.7 in January 2021. More details about Python 2 support in pip can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
Collecting darknetpy
Using cached darknetpy-4.1.tar.gz (9.4 kB)
Installing build dependencies: started
Installing build dependencies: finished with status 'done'
Getting requirements to build wheel: started
Getting requirements to build wheel: finished with status 'error'
ERROR: Command errored out with exit status 1:
command: 'c:\python27\python.exe' 'c:\python27\lib\site-packages\pip\_vendor\pep517\_in_process.py' get_requires_for_build_wheel 'c:\users\paddy\appdata\local\temp\tmp9kl8jm'
cwd: c:\users\paddy\appdata\local\temp\pip-install-eqp5it\darknetpy
Complete output (2 lines):
c:\python27\python.exe: No module named pip
Please install setuptools-rust package
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:\python27\python.exe' 'c:\python27\lib\site-packages\pip\_vendor\pep517\_in_process.py' get_requires_for_build_wheel 'c:\users\paddy\appdata\local\temp\tmp9kl8jm' Check the logs for full command output.
I have installed setuptools-rust but still get the same errors as above.
I am on a Windows 10 laptop and using Git Bash as my emulator. Please help!

Use the following command to install darknetpy successfully:
pip install https://github.com/danielgatis/darknetpy/raw/master/dist/darknetpy-4.2-cp37-cp37m-linux_x86_64.whl

Cannot install python package due to cmake error

I am trying to install the disptools package by doing pip install disptools in my terminal.
The disptools package is linked here https://github.com/m-pilia/disptools.
It gives me a long error message during the installation with the main error displayed below.
Building wheel for disptools (setup.py) ... error
ERROR: Command errored out with exit status 1:
...
CMake Error:
Could NOT find OpenMP_C (missing: OpenMP_C_FLAGS OpenMP_C_LIB_NAMES)`
It also includes this in the error:
File "/Users/name/anaconda3/lib/python3.6/subprocess.py", line 311, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['cmake', '/private/var/folders/6p/16591qb93vs76dysmldcz8140000gn/T/pip-install-vn5twf6v/disptools', '-DDISPTOOLS_DEBUG=OFF', '-DDISPTOOLS_OPT=OFF', '-DDISPTOOLS_VERBOSE=ON', '-DDISPTOOLS_LOW_ORDER_PD=OFF', '-DDISPTOOLS_DOUBLE=OFF', '-DDISPTOOLS_CUDA_SUPPORT=OFF', '-DDISPTOOLS_CUDA_ERROR_CHECK=ON', '-DDISPTOOLS_CUDA_ERROR_CHECK_SYNC=ON', '-DDISPTOOLS_PYTHON_SUPPORT=ON', '-DDISPTOOLS_PYTHON_C_MODULE_NAME=_disptools', '-DCMAKE_BUILD_TYPE=Release', '-DCMAKE_LIBRARY_OUTPUT_DIRECTORY_RELEASE=/private/var/folders/6p/16591qb93vs76dysmldcz8140000gn/T/pip-install-vn5twf6v/disptools/build/lib.macosx-10.9-x86_64-3.6', '-DCMAKE_ARCHIVE_OUTPUT_DIRECTORY_RELEASE=build/temp.macosx-10.9-x86_64-3.6', '-DPYTHON_EXECUTABLE=/Users/name/anaconda3/bin/python3']'
returned non-zero exit status 1.
I have looked everywhere online but I couldn't really find any helpful resources for solving this problem.
Would really appreciate it if someone can help.

With commands, python -m pip install disptools you try to download, compile and install the disptools.
Compilation step fails with a CMake error that tell that it failed to find library OpenMP. You can install it on a Ubuntu/Debian distribution with
sudo apt install libomp-dev
After this, you can launch again the pip command.
I hope you will meet all compilation requirements.

If you are using Anaconda Prompt (recommended),
conda install -c conda-forge dlib