poetry install exits after summarizing the execution plan

[FranzForstmayr]

• Poetry version: 1.2.2
• Python version: 3.9.15
• OS version and name: Ubuntu 20.04.5 LTS
• pyproject.toml:

[tool.poetry]
name = "test_app"
version = "1.1.0"
description = "Test Application"
authors = [
    "Name Surname <name@mail.com>",
]
license = "proprietary"

[tool.poetry.dependencies]
python = "~3.9"
openpyxl = "^3.0.9"
pandas = "^1.4.1"
dash-extensions = "^0.1.6"
scipy = "^1.9.3"

[tool.poetry.dev-dependencies]
flake8 = "^4.0.1"
flake8-bugbear = "^22.1.11"
flake8-docstrings = "^1.6.0"
pep8-naming = "^0.12.1"
flake8-formatter-junit-xml = "^0.0.6"
pytest = "^7.1.0"
nox = "^2022.1.7"
flake8-annotations = "^2.7.0"
Sphinx = "^4.4.0"
sphinx-rtd-theme = "^1.0.0"
sphinx-autodoc-typehints = "^1.17.0"
black = "^22.1.0"
pytest-cov = "^3.0.0"

[build-system]
requires = ["poetry-core>=1.0.0"]
build-backend = "poetry.core.masonry.api"

• I am on the latest stable Poetry version, installed using a recommended method.
• I have searched the issues of this repo and believe that this is not a duplicate.
• I have consulted the FAQ and blog for any relevant entries or release notes.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option) and have included the output below.

Issue

When I try to install this project on this certain machine, nothing happens.
Verbose option does not show anything useful. Is there another way to debug this issue?

(test-app-py3.9) host@HOST:~/apps/test-app$ poetry install -vvv
Loading configuration file /home/host/.config/pypoetry/config.toml
Loading configuration file /home/host/.config/pypoetry/auth.toml
Using virtualenv: /home/host/apps/test-app/.venv
Project environment contains an empty path in sys_path, ignoring.
Installing dependencies from lock file

Finding the necessary packages for the current system

Package operations: 81 installs, 0 updates, 0 removals

[n8sty]

If you run ls /home/host/apps/test-app/.venv do you see the expected packages in the output? What about if you run poetry run pip freeze? Is there anything following the line beginning Package operations:... in the output?

[FranzForstmayr]

I activated the env manually, none of the specified packages was installed, only the default ones:

Package    Version
---------- -------
pip        22.3
setuptools 65.5.0
wheel      0.37.1

[notice] A new release of pip available: 22.3 -> 22.3.1
[notice] To update, run: pip install --upgrade pip

No, there's nothing below package operations, I posted the full output.
It's strange, because I can trigger this only on this machine for now, however I don't know how to debug.

[FranzForstmayr]

Reinstalling poetry did not solve the issue.

[FranzForstmayr]

The last output on my machine is Package Operations, so probably this is something different.

[FranzForstmayr]

Clearing cache does not work.

host@Host:~/apps/test-app$ poetry cache list
PyPI
_default_cache
gitlab
pypi
host@Host:~/apps/test-app$ poetry cache clear _default_cache --all
Delete 0 entries? (yes/no) [yes]
host@Host:~/apps/test-app$ poetry cache clear PyPI --all
Delete 0 entries? (yes/no) [yes]
host@Host:~/apps/test-app$ poetry cache clear gitlab --all
Delete 0 entries? (yes/no) [yes]
host@Host:~/apps/test-app$ poetry cache clear pypi --all
Delete 0 entries? (yes/no) [yes]
host@Host:~/apps/test-app$ poetry install
Loading configuration file /home/host/.config/pypoetry/config.toml
Loading configuration file /home/host/.config/pypoetry/auth.toml
Using virtualenv: /home/host/apps/test-app/.venv
Project environment contains an empty path in sys_path, ignoring.
Installing dependencies from lock file

Finding the necessary packages for the current system

Package operations: 100 installs, 0 updates, 0 removals

[FranzForstmayr]

does not help in this case.

[neersighted]

I'd like to clarify that this issue is very specific and relates to no output/Poetry silently exiting after planning its install operation. The other comments here are off-topic and relate to different issues entirely, many of which are solved in 1.3.1.

@FranzForstmayr, can you please test on 1.3.1. Additionally, can you please provide the output of stty size? I suspect this may be a duplicate of #7184, or at the very least the same code is swallowing an exception.

[FranzForstmayr]

stty size returns "58 209"

I upgraded to 1.3.1 in the meantime, but still same issue. But it seems not affected from project files (pyproject.toml, poetry.lock)..

[neersighted]

Can you also provide the exit code? poetry install; echo $? should be sufficient.

[FranzForstmayr]

1

[neersighted]

Okay, looks like another specialized variant of #7184; the root cause is different but the effect (swallowing an exception) is the same. Can you run Poetry with -vvv --no-ansi and see what output you get?

[jaoxford]

Same thing happens for us, when running poetry install -vvv; echo $? from CodeFresh. We get the following:

Loading configuration file /codefresh/volume/yo-main-application/poetry.toml
Using virtualenv: /root/.venv
Installing dependencies from lock file

Finding the necessary packages for the current system

Package operations: 211 installs, 0 updates, 0 removals

1

1 being the exit code.

[neersighted]

Can you run Poetry with -vvv --no-ansi and see what output you get?

[jaoxford]

Can you run Poetry with -vvv --no-ansi and see what output you get?

I followed the recommendations in here: #7184 to use --no-ansi and it solved our issue.

[FranzForstmayr]

Finally more output:

Loading configuration file /home/host/.config/pypoetry/config.toml
Loading configuration file /home/host/.config/pypoetry/auth.toml
Using virtualenv: /home/rd-app-host/apps/test-app/.venv
Installing dependencies from lock file

Finding the necessary packages for the current system

Package operations: 41 installs, 0 updates, 0 removals, 62 skipped


  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:251 in _execute_operation
      249|                 if self._should_write_operation(operation):
      250|                     if not operation.skipped:
    > 251|                         self._io.write_line(

sorry for the delay, was not in the office for a few days.

[onnodb]

Encountering the same issue. Perhaps the following information helps in troubleshooting?

Poetry version: 1.3.2
Python version: 3.10.6
OS: Xubuntu 22.04.1 LTS

Poetry was installed with the official installer on a plain-vanilla Xubuntu installation (in a VM).

poetry -vvv install runs all the way until the output:

Writing lock file

Finding the necessary packages for the current system:
Source (poetry-repo): 1 packages found for mypy >= ...
(list of other packages)

and then exits with exit code 1. No actual installation of any packages is performed, and the environment remains empty (as checked with pip list inside the env).

The lack of any error messages or feedback is rather baffling.

Running poetry -vvv --no-ansi install instead gives the same unhandled exception and stack trace as reported above by FranzForstmayr.

Same issue occurs both with the config setting virtualenvs.in-project set to true, as well as its default false. stty size returns 55 271 (running in the default xfce4-terminal).

Workaround

Export dependencies to a requirements.txt file, and install with pip:

$ poetry export -f requirements.txt --output requirements.txt
$ # activate virtualenv
$ pip install -r requirements.txt

[FranzForstmayr]

@neersighted

I finally upgraded to 1.3.2 but still had the same issue.
While digging around a little bit, I finally found a workaround.

I removed the bullet characters in https://github.com/python-poetry/poetry/blob/master/src/poetry/installation/executor.py#L245 and the following lines and poetry works again on this machine.

[FranzForstmayr]

as it seems to be terminal related, maybe this information also helps.

This is a virtual ubuntu machine without graphical interface. I usually connect from a windows computer with powershell,the new windows terminal application or VS Code remote terminal.

[jcrawfordor]

Experiencing the same problem with Poetry 1.4.2 on Debian 11.6 with Python 3.9.

Output of "poetry install -vvv --no-ansi":

Loading configuration file /root/.config/pypoetry/config.toml
Using virtualenv: <snip>
Installing dependencies from lock file

Finding the necessary packages for the current system

Package operations: 25 installs, 0 updates, 0 removals


  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:268 in _execute_operation
      266|                 if self._should_write_operation(operation):
      267|                     if not operation.skipped:
    > 268|                         self._io.write_line(

  Stack trace:

  4  ~/.local/share/pypoetry/venv/lib/python3.9/site-packages/poetry/installation/executor.py:268 in _execute_operation
      266|                 if self._should_write_operation(operation):
      267|                     if not operation.skipped:
    > 268|                         self._io.write_line(

Without --no-ansi there is no output after printing the plan summary. This is occurring when accessing the machine via SSH with or without tmux.

[sadahry]

--no-ansi option works for me on circleci job.

[JDJGInc]

I got this issue on this machine:

neofetch                                                                                                                                                                                         [14:14:36]
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`d$$'     ,$P"'   .    $$$    Uptime: 32 days, 5 hours, 3 mins 
 $$P      d$'     ,    $$P    Packages: 1491 (dpkg) 
 $$:      $$.   -    ,d$$'    Shell: zsh 5.8 
 $$;      Y$b._   _,d$P'      Resolution: 1920x1080 
 Y$$.    `.`"Y$$$$P"'         DE: LXDE 
 `$$b      "-.__              Theme: PiXflat [GTK3] 
  `Y$$                        Icons: PiXflat [GTK3] 
   `Y$$.                      Terminal: lxterminal 
     `$$b.                    Terminal Font: Monospace 10 
       `Y$$b.                 CPU: BCM2835 (4) @ 1.500GHz 
          `"Y$b._             Memory: 519MiB / 1849MiB 
              `"""
                                                      
                                                      

[JDJGInc]

https://mystb.in/BeginningPathsConvertible

The error.

[JDJGInc]

Grabbed with poetry install -vvv > food.txt

[dimbleby]

should have been fixed by cleo 2.1, python-poetry/cleo#299

[github-actions]

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