installation problem dll load failed while importing ipopt_wrapper

[AlexandreMoulti]

Hi,

I have issues while installing cyipopt. I have the last anaconda installed and need to install from files (proxy blocking) that I download from conda website Here is the message

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(base) C:\Users\Alexandre>python Python 3.10.9 | packaged by Anaconda, Inc. | (main, Mar 1 2023, 18:18:15) [MSC v.1916 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information.

exit()

(base) C:\Users\Alexandre>conda install C:\Users\Alexandre\Downloads\cyipopt-1.2.0-py310h3c1d9b9_2.conda Retrieving notices: ...working... done

Downloading and Extracting Packages

Downloading and Extracting Packages

Preparing transaction: done Verifying transaction: done Executing transaction: done

(base) C:\Users\Alexandre>python Python 3.10.9 | packaged by Anaconda, Inc. | (main, Mar 1 2023, 18:18:15) [MSC v.1916 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information.

import cyipopt Traceback (most recent call last): File "", line 1, in File "C:\Temp\Anaconda\lib\site-packages\cyipopt__init__.py", line 12, in from ipopt_wrapper import * ImportError: DLL load failed while importing ipopt_wrapper: Le module spécifié est introuvable.

[moorepants]

Have you installed all the dependencies?

[AlexandreMoulti]

I have all the requirements except ipopt I thought this package installs a wrapper around ipopt + ipot itself My understanding comes from the documentation that I followed and got this :

C:\Users\Alexandre\Downloads\cyipopt-master\cyipopt-master>conda install -c conda-forge cyipopt Collecting package metadata (current_repodata.json): done Solving environment: - The environment is inconsistent, please check the package plan carefully The following packages are causing the inconsistency:

• /win-64::cyipopt==1.2.0=py310h3c1d9b9_2

[moorepants]

I have all the requirements except ipopt

Ipopt is a requirement that needs to be installed.

I thought this package installs a wrapper around ipopt + ipot itself

It does not install ipopt, you should install the ipopt conda forge binary.

[moorepants]

The environment is inconsistent, please check the package plan carefully

If you are installing into your base conda enviroment you may have conflicts. Maybe try an isolated conda environment.

[AlexandreMoulti]

Indeed it works by creating an environment, thanks however on my professional pc I am behind a proxy and cannot execute the conda environment creation do you know how to proceed?

[moorepants]

I think that is a question for the conda forum.

[AlexandreMoulti]

I think I am limited in my professional laptop and cannot create another environment If I wanted to stick to the base one. Would be enough to download and install the following libraries ?

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The following NEW packages will be INSTALLED:

bzip2 conda-forge/win-64::bzip2-1.0.8-h8ffe710_4 ca-certificates conda-forge/win-64::ca-certificates-2023.5.7-h56e8100_0 cyipopt conda-forge/win-64::cyipopt-1.2.0-py311hee902c8_2 intel-openmp conda-forge/win-64::intel-openmp-2023.1.0-h57928b3_46319 ipopt conda-forge/win-64::ipopt-3.14.12-ha9547d1_0 libblas conda-forge/win-64::libblas-3.9.0-16_win64_mkl libcblas conda-forge/win-64::libcblas-3.9.0-16_win64_mkl libexpat conda-forge/win-64::libexpat-2.5.0-h63175ca_1 libffi conda-forge/win-64::libffi-3.4.2-h8ffe710_5 libflang conda-forge/win-64::libflang-5.0.0-h6538335_20180525 libhwloc conda-forge/win-64::libhwloc-2.9.1-hadd60ae_3 libiconv conda-forge/win-64::libiconv-1.17-h8ffe710_0 liblapack conda-forge/win-64::liblapack-3.9.0-16_win64_mkl libsqlite conda-forge/win-64::libsqlite-3.42.0-hcfcfb64_0 libxml2 conda-forge/win-64::libxml2-2.11.4-hc3477c8_0 libzlib conda-forge/win-64::libzlib-1.2.13-hcfcfb64_4 llvm-meta conda-forge/noarch::llvm-meta-5.0.0-0 metis conda-forge/win-64::metis-5.1.0-h0e60522_1006 mkl conda-forge/win-64::mkl-2022.1.0-h6a75c08_874 mumps-seq conda-forge/win-64::mumps-seq-5.2.1-hb3f9cae_11 numpy conda-forge/win-64::numpy-1.24.3-py311h0b4df5a_0 openmp conda-forge/win-64::openmp-5.0.0-vc14_1 openssl conda-forge/win-64::openssl-3.1.1-hcfcfb64_1 pip conda-forge/noarch::pip-23.1.2-pyhd8ed1ab_0 pthreads-win32 conda-forge/win-64::pthreads-win32-2.9.1-hfa6e2cd_3 python conda-forge/win-64::python-3.11.3-h2628c8c_0_cpython python_abi conda-forge/win-64::python_abi-3.11-3_cp311 setuptools conda-forge/noarch::setuptools-67.7.2-pyhd8ed1ab_0 tbb conda-forge/win-64::tbb-2021.9.0-h91493d7_0 tk conda-forge/win-64::tk-8.6.12-h8ffe710_0 tzdata conda-forge/noarch::tzdata-2023c-h71feb2d_0 ucrt conda-forge/win-64::ucrt-10.0.22621.0-h57928b3_0 vc conda-forge/win-64::vc-14.3-hb25d44b_16 vc14_runtime conda-forge/win-64::vc14_runtime-14.34.31931-h5081d32_16 vs2015_runtime conda-forge/win-64::vs2015_runtime-14.34.31931-hed1258a_16 wheel conda-forge/noarch::wheel-0.40.0-pyhd8ed1ab_0 xz conda-forge/win-64::xz-5.2.6-h8d14728_0

[moorepants]

Like I said, this is a question for conda people. I am no familiar with this.

Ask here: https://conda.discourse.group/

[moorepants]

I'm going to close this issue, as it is out of scope now.