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Resolving environment with Python 3.13 takes very long time #3970

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@datapythonista

Description

@datapythonista

Troubleshooting docs

  • My problem is not solved in the Troubleshooting docs

Anaconda default channels

  • I do NOT use the Anaconda default channels (pkgs/* etc.)

How did you install Mamba?

Mambaforge or latest Miniforge

Search tried in issue tracker

time 3.13

Latest version of Mamba

  • My problem is not solved with the latest version

Tried in Conda?

I have this problem with Conda as well, without using Mamba

Describe your issue

We are using micromamba in pandas' CI, and I'm using mamba locally, to create pandas development environments.

Since maybe the last week, we started having problems with the time both micromamba and mamba resolve our environments in Python 3.13. The time to resolve the environment is just seconds in some cases, but in other cases it can take up to 45 minutes for what I've seen. maybe even more.

It happens in Linux, Mac and Windows, with both mamba and micromamba. Not always, but I think the frequency of the very long runs (that break pandas' CI) is increasing.

mamba info / micromamba info

For the CI, we're just downloading micromamba with the CI action:

name: Set up Conda environment    
inputs:    
  environment-file:    
    description: Conda environment file to use.    
    default: environment.yml    
runs:    
  using: composite    
  steps:    
    - name: Install ${{ inputs.environment-file }}    
      uses: mamba-org/setup-micromamba@v2    
      with:    
        environment-file: ${{ inputs.environment-file }}    
        environment-name: test    
        condarc-file: ci/.condarc    
        cache-environment: true    
        cache-downloads: true 

Locally, this is the output of mamba info:

       libmamba version : 2.1.1
          mamba version : 2.1.1
           curl version : libcurl/8.12.1 OpenSSL/3.5.0 zlib/1.3.1 zstd/1.5.6 libssh2/1.11.1 nghttp2/1.64.0
     libarchive version : libarchive 3.7.7 zlib/1.3.1 liblzma/5.6.3 bz2lib/1.0.8 liblz4/1.10.0 libzstd/1.5.6
       envs directories : /home/mgarcia/.miniforge3/envs
          package cache : /home/mgarcia/.miniforge3/pkgs
                          /home/mgarcia/.mamba/pkgs
            environment : pandas-dev (active)
           env location : /home/mgarcia/.miniforge3/envs/pandas-dev
      user config files : /home/mgarcia/.mambarc
 populated config files : /home/mgarcia/.miniforge3/.condarc
       virtual packages : __unix=0=0
                          __linux=6.14.5=0
                          __glibc=2.41=0
                          __archspec=1=x86_64_v3
               channels : https://conda.anaconda.org/conda-forge/linux-64
                          https://conda.anaconda.org/conda-forge/noarch
       base environment : /home/mgarcia/.miniforge3
               platform : linux-64

Logs

~ $ time mamba env create -v -f src/pandas/ci/deps/actions-313.yaml --dry-run
info     libmamba Searching index cache file for repo 'conda-forge/linux-64'
info     libmamba No valid cache found
info     libmamba Searching index cache file for repo 'conda-forge/noarch'
info     libmamba No valid cache found
info     libmamba Checking for CA certificates at the root prefix: "/home/mgarcia/.miniforge3/ssl/cacert.pem"
info     libmamba Using CA certificates from `conda-forge::ca-certificates` installed in the root prefix (i.e "/home/mgarcia/.miniforge3/ssl/cacert.pem")
conda-forge/noarch                                  20.7MB @   4.1MB/s  5.1s
conda-forge/linux-64                                44.3MB @   5.9MB/s  7.6s
info     libmamba Trying to load repo from json file "/home/mgarcia/.miniforge3/pkgs/cache/88ec62ec.json"
info     libmamba Reading repodata.json file "/home/mgarcia/.miniforge3/pkgs/cache/88ec62ec.json" for repo https://conda.anaconda.org/conda-forge/linux-64 using mamba
info     libmamba Writing libsolv solv file "/home/mgarcia/.miniforge3/pkgs/cache/88ec62ec.solv" for repo https://conda.anaconda.org/conda-forge/linux-64
info     libmamba Trying to load repo from json file "/home/mgarcia/.miniforge3/pkgs/cache/eb045dd1.json"
info     libmamba Reading repodata.json file "/home/mgarcia/.miniforge3/pkgs/cache/eb045dd1.json" for repo https://conda.anaconda.org/conda-forge/noarch using mamba
info     libmamba Writing libsolv solv file "/home/mgarcia/.miniforge3/pkgs/cache/eb045dd1.solv" for repo https://conda.anaconda.org/conda-forge/noarch
info     libmamba Loading site packages

# it will stay here for a very long time

# Full log:

~ $ time mamba env create -v -f src/pandas/ci/deps/actions-313.yaml --dry-run
info     libmamba Searching index cache file for repo 'conda-forge/linux-64'
info     libmamba No valid cache found
info     libmamba Searching index cache file for repo 'conda-forge/noarch'
info     libmamba No valid cache found
info     libmamba Checking for CA certificates at the root prefix: "/home/mgarcia/.miniforge3/ssl/cacert.pem"
info     libmamba Using CA certificates from `conda-forge::ca-certificates` installed in the root prefix (i.e "/home/mgarcia/.miniforge3/ssl/cacert.pem")
conda-forge/noarch                                  20.7MB @   4.1MB/s  5.1s
conda-forge/linux-64                                44.3MB @   5.9MB/s  7.6s
info     libmamba Trying to load repo from json file "/home/mgarcia/.miniforge3/pkgs/cache/88ec62ec.json"
info     libmamba Reading repodata.json file "/home/mgarcia/.miniforge3/pkgs/cache/88ec62ec.json" for repo https://conda.anaconda.org/conda-forge/linux-64 using mamba
info     libmamba Writing libsolv solv file "/home/mgarcia/.miniforge3/pkgs/cache/88ec62ec.solv" for repo https://conda.anaconda.org/conda-forge/linux-64
info     libmamba Trying to load repo from json file "/home/mgarcia/.miniforge3/pkgs/cache/eb045dd1.json"
info     libmamba Reading repodata.json file "/home/mgarcia/.miniforge3/pkgs/cache/eb045dd1.json" for repo https://conda.anaconda.org/conda-forge/noarch using mamba
info     libmamba Writing libsolv solv file "/home/mgarcia/.miniforge3/pkgs/cache/eb045dd1.solv" for repo https://conda.anaconda.org/conda-forge/noarch
info     libmamba Loading site packages


Transaction

  Prefix: /home/mgarcia/.miniforge3/envs/pandas-dev-313

  Updating specs:

   - python=3.13
   - versioneer
   - cython>=0.29.33
   - meson=1.2.1
   - meson-python=0.13.1
   - pytest>=7.3.2
   - pytest-cov
   - pytest-xdist>=3.4.0
   - pytest-localserver>=0.8.1
   - pytest-qt>=4.4.0
   - boto3
   - python-dateutil
   - numpy
   - beautifulsoup4>=4.12.3
   - blosc>=1.21.3
   - bottleneck>=1.3.6
   - fastparquet>=2024.2.0
   - fsspec>=2023.12.2
   - html5lib>=1.1
   - hypothesis>=6.84.0
   - gcsfs>=2023.12.2
   - jinja2>=3.1.3
   - lxml>=4.9.2
   - matplotlib>=3.8.3
   - numba>=0.59.0
   - numexpr>=2.9.0
   - odfpy>=1.4.1
   - qtpy>=2.3.0
   - pyqt>=5.15.9
   - openpyxl>=3.1.2
   - psycopg2>=2.9.6
   - pyarrow>=10.0.1
   - pymysql>=1.1.0
   - pyreadstat>=1.2.6
   - pytables>=3.8.0
   - python-calamine>=0.1.7
   - pytz>=2023.4
   - pyxlsb>=1.0.10
   - s3fs>=2023.12.2
   - scipy>=1.12.0
   - sqlalchemy>=2.0.0
   - tabulate>=0.9.0
   - xarray>=2024.1.1
   - xlrd>=2.0.1
   - xlsxwriter>=3.2.0
   - zstandard>=0.22.0
   - pip


  Package                                  Version  Build                 Channel           Size
──────────────────────────────────────────────────────────────────────────────────────────────────
  Install:
──────────────────────────────────────────────────────────────────────────────────────────────────

  + _libgcc_mutex                              0.1  conda_forge           conda-forge     Cached
  + _openmp_mutex                              4.5  2_gnu                 conda-forge     Cached
  + aiobotocore                             2.22.0  pyhd8ed1ab_0          conda-forge     Cached
  + aiohappyeyeballs                         2.6.1  pyhd8ed1ab_0          conda-forge     Cached
  + aiohttp                                 3.12.7  py313h8060acc_0       conda-forge     Cached
  + aioitertools                            0.12.0  pyhd8ed1ab_1          conda-forge     Cached
  + aiosignal                                1.3.2  pyhd8ed1ab_0          conda-forge     Cached
  + aiosmtpd                                 1.4.6  pyhd8ed1ab_1          conda-forge     Cached
  + alsa-lib                                1.2.14  hb9d3cd8_0            conda-forge     Cached
  + atpublic                                 6.0.1  pyhd8ed1ab_0          conda-forge     Cached
  + attr                                     2.5.1  h166bdaf_1            conda-forge     Cached
  + attrs                                   25.3.0  pyh71513ae_0          conda-forge     Cached
  + aws-c-auth                               0.9.0  h3318fae_10           conda-forge     Cached
  + aws-c-cal                                0.9.1  h5e3027f_0            conda-forge     Cached
  + aws-c-common                            0.12.3  hb9d3cd8_0            conda-forge     Cached
  + aws-c-compression                        0.3.1  hafb2847_5            conda-forge     Cached
  + aws-c-event-stream                       0.5.4  haaa725d_10           conda-forge     Cached
  + aws-c-http                              0.10.1  hd7992d4_3            conda-forge     Cached
  + aws-c-io                                0.19.1  h844966b_2            conda-forge     Cached
  + aws-c-mqtt                              0.13.1  h7b3935a_0            conda-forge      216kB
  + aws-c-s3                                 0.8.0  h365f71b_1            conda-forge     Cached
  + aws-c-sdkutils                           0.2.4  hafb2847_0            conda-forge     Cached
  + aws-checksums                            0.2.7  hafb2847_1            conda-forge     Cached
  + aws-crt-cpp                             0.32.8  h79a1e0f_1            conda-forge      395kB
  + aws-sdk-cpp                           1.11.510  h4607db7_10           conda-forge        3MB
  + azure-core-cpp                          1.14.0  h5cfcd09_0            conda-forge     Cached
  + azure-identity-cpp                      1.10.0  h113e628_0            conda-forge     Cached
  + azure-storage-blobs-cpp                12.13.0  h3cf044e_1            conda-forge     Cached
  + azure-storage-common-cpp                12.8.0  h736e048_1            conda-forge     Cached
  + azure-storage-files-datalake-cpp       12.12.0  ha633028_1            conda-forge     Cached
  + beautifulsoup4                          4.13.4  pyha770c72_0          conda-forge     Cached
  + blinker                                  1.9.0  pyhff2d567_0          conda-forge     Cached
  + blosc                                   1.21.6  he440d0b_1            conda-forge     Cached
  + boto3                                   1.37.3  pyhd8ed1ab_0          conda-forge     Cached
  + botocore                                1.37.3  pyge310_1234567_0     conda-forge     Cached
  + bottleneck                               1.5.0  py313ha014f3b_0       conda-forge     Cached
  + brotli                                   1.1.0  hb9d3cd8_2            conda-forge     Cached
  + brotli-bin                               1.1.0  hb9d3cd8_2            conda-forge     Cached
  + brotli-python                            1.1.0  py313h46c70d0_2       conda-forge     Cached
  + bzip2                                    1.0.8  h4bc722e_7            conda-forge     Cached
  + c-ares                                  1.34.5  hb9d3cd8_0            conda-forge     Cached
  + c-blosc2                                2.17.1  h3122c55_0            conda-forge     Cached
  + ca-certificates                      2025.4.26  hbd8a1cb_0            conda-forge     Cached
  + cachetools                               5.5.2  pyhd8ed1ab_0          conda-forge     Cached
  + cairo                                   1.18.4  h3394656_0            conda-forge     Cached
  + certifi                              2025.4.26  pyhd8ed1ab_0          conda-forge     Cached
  + cffi                                    1.17.1  py313hfab6e84_0       conda-forge     Cached
  + charset-normalizer                       3.4.2  pyhd8ed1ab_0          conda-forge     Cached
  + click                                    8.2.1  pyh707e725_0          conda-forge     Cached
  + colorama                                 0.4.6  pyhd8ed1ab_1          conda-forge     Cached
  + contourpy                                1.3.2  py313h33d0bda_0       conda-forge     Cached
  + coverage                                 7.8.2  py313h8060acc_0       conda-forge     Cached
  + cramjam                                 2.10.0  py313h330e790_0       conda-forge     Cached
  + cryptography                            45.0.3  py313h6556f6e_0       conda-forge     Cached
  + cycler                                  0.12.1  pyhd8ed1ab_1          conda-forge     Cached
  + cyrus-sasl                              2.1.27  h54b06d7_7            conda-forge     Cached
  + cython                                   3.1.1  py313h5dec8f5_1       conda-forge        4MB
  + dbus                                    1.16.2  h3c4dab8_0            conda-forge     Cached
  + decorator                                5.2.1  pyhd8ed1ab_0          conda-forge     Cached
  + defusedxml                               0.7.1  pyhd8ed1ab_0          conda-forge     Cached
  + double-conversion                        3.3.1  h5888daf_0            conda-forge     Cached
  + et_xmlfile                               2.0.0  pyhd8ed1ab_1          conda-forge     Cached
  + exceptiongroup                           1.3.0  pyhd8ed1ab_0          conda-forge     Cached
  + execnet                                  2.1.1  pyhd8ed1ab_1          conda-forge     Cached
  + fastparquet                          2024.11.0  py313ha014f3b_0       conda-forge     Cached
  + font-ttf-dejavu-sans-mono                 2.37  hab24e00_0            conda-forge     Cached
  + font-ttf-inconsolata                     3.000  h77eed37_0            conda-forge     Cached
  + font-ttf-source-code-pro                 2.038  h77eed37_0            conda-forge     Cached
  + font-ttf-ubuntu                           0.83  h77eed37_3            conda-forge     Cached
  + fontconfig                              2.15.0  h7e30c49_1            conda-forge     Cached
  + fonts-conda-ecosystem                        1  0                     conda-forge     Cached
  + fonts-conda-forge                            1  0                     conda-forge     Cached
  + fonttools                               4.58.1  py313h8060acc_0       conda-forge     Cached
  + freetype                                2.13.3  ha770c72_1            conda-forge     Cached
  + frozenlist                               1.6.0  py313h61b7b33_0       conda-forge     Cached
  + fsspec                                2025.5.1  pyhd8ed1ab_0          conda-forge     Cached
  + gcsfs                                 2025.5.1  pyhd8ed1ab_0          conda-forge     Cached
  + gettext                                 0.24.1  h5888daf_0            conda-forge     Cached
  + gettext-tools                           0.24.1  h5888daf_0            conda-forge     Cached
  + gflags                                   2.2.2  h5888daf_1005         conda-forge     Cached
  + glib                                    2.84.2  h6287aef_0            conda-forge     Cached
  + glib-tools                              2.84.2  h4833e2c_0            conda-forge     Cached
  + glog                                     0.7.1  hbabe93e_0            conda-forge     Cached
  + google-api-core                         2.25.0  pyhd8ed1ab_0          conda-forge     Cached
  + google-auth                             2.40.2  pyhd8ed1ab_0          conda-forge     Cached
  + google-auth-oauthlib                     1.2.2  pyhd8ed1ab_0          conda-forge     Cached
  + google-cloud-core                        2.4.3  pyhd8ed1ab_0          conda-forge     Cached
  + google-cloud-storage                     3.1.0  pyhd8ed1ab_0          conda-forge     Cached
  + google-crc32c                            1.7.1  py313h4ce9163_0       conda-forge     Cached
  + google-resumable-media                   2.7.2  pyhd8ed1ab_2          conda-forge     Cached
  + googleapis-common-protos                1.70.0  pyhd8ed1ab_0          conda-forge     Cached
  + graphite2                               1.3.13  h59595ed_1003         conda-forge     Cached
  + greenlet                                 3.2.2  py313h46c70d0_0       conda-forge     Cached
  + grpcio                                  1.71.0  py313h751f5e6_1       conda-forge     Cached
  + gst-plugins-base                       1.24.11  h651a532_0            conda-forge     Cached
  + gstreamer                              1.24.11  hc37bda9_0            conda-forge     Cached
  + h2                                       4.2.0  pyhd8ed1ab_0          conda-forge     Cached
  + harfbuzz                                11.2.1  h3beb420_0            conda-forge     Cached
  + hdf5                                    1.14.6  nompi_h2d575fe_101    conda-forge     Cached
  + hpack                                    4.1.0  pyhd8ed1ab_0          conda-forge     Cached
  + html5lib                                   1.1  pyhd8ed1ab_2          conda-forge     Cached
  + hyperframe                               6.1.0  pyhd8ed1ab_0          conda-forge     Cached
  + hypothesis                             6.135.0  pyha770c72_0          conda-forge      366kB
  + icu                                       75.1  he02047a_0            conda-forge     Cached
  + idna                                      3.10  pyhd8ed1ab_1          conda-forge     Cached
  + iniconfig                                2.0.0  pyhd8ed1ab_1          conda-forge     Cached
  + jinja2                                   3.1.6  pyhd8ed1ab_0          conda-forge     Cached
  + jmespath                                 1.0.1  pyhd8ed1ab_1          conda-forge     Cached
  + keyutils                                 1.6.1  h166bdaf_0            conda-forge     Cached
  + kiwisolver                               1.4.7  py313h33d0bda_0       conda-forge     Cached
  + krb5                                    1.21.3  h659f571_0            conda-forge     Cached
  + lame                                     3.100  h166bdaf_1003         conda-forge     Cached
  + lcms2                                     2.17  h717163a_0            conda-forge     Cached
  + ld_impl_linux-64                          2.43  h712a8e2_4            conda-forge     Cached
  + lerc                                     4.0.0  h0aef613_1            conda-forge     Cached
  + libabseil                           20250127.1  cxx17_hbbce691_0      conda-forge     Cached
  + libaec                                   1.1.3  h59595ed_0            conda-forge     Cached
  + libarrow                                20.0.0  h314c690_6_cpu        conda-forge        9MB
  + libarrow-acero                          20.0.0  hcb10f89_6_cpu        conda-forge      642kB
  + libarrow-dataset                        20.0.0  hcb10f89_6_cpu        conda-forge      608kB
  + libarrow-substrait                      20.0.0  h1bed206_6_cpu        conda-forge      523kB
  + libasprintf                             0.24.1  h8e693c7_0            conda-forge     Cached
  + libasprintf-devel                       0.24.1  h8e693c7_0            conda-forge     Cached
  + libblas                                  3.9.0  31_h59b9bed_openblas  conda-forge     Cached
  + libbrotlicommon                          1.1.0  hb9d3cd8_2            conda-forge     Cached
  + libbrotlidec                             1.1.0  hb9d3cd8_2            conda-forge     Cached
  + libbrotlienc                             1.1.0  hb9d3cd8_2            conda-forge     Cached
  + libcap                                    2.75  h39aace5_0            conda-forge     Cached
  + libcblas                                 3.9.0  31_he106b2a_openblas  conda-forge     Cached
  + libclang-cpp20.1                        20.1.6  default_h1df26ce_0    conda-forge     Cached
  + libclang13                              20.1.6  default_he06ed0a_0    conda-forge     Cached
  + libcrc32c                                1.1.2  h9c3ff4c_0            conda-forge     Cached
  + libcups                                  2.3.3  h4637d8d_4            conda-forge     Cached
  + libcurl                                 8.14.1  h332b0f4_0            conda-forge      450kB
  + libdeflate                                1.24  h86f0d12_0            conda-forge     Cached
  + libdrm                                 2.4.124  hb9d3cd8_0            conda-forge     Cached
  + libedit                           3.1.20250104  pl5321h7949ede_0      conda-forge     Cached
  + libegl                                   1.7.0  ha4b6fd6_2            conda-forge     Cached
  + libev                                     4.33  hd590300_2            conda-forge     Cached
  + libevent                                2.1.12  hf998b51_1            conda-forge     Cached
  + libexpat                                 2.7.0  h5888daf_0            conda-forge     Cached
  + libffi                                   3.4.6  h2dba641_1            conda-forge     Cached
  + libflac                                  1.4.3  h59595ed_0            conda-forge     Cached
  + libfreetype                             2.13.3  ha770c72_1            conda-forge     Cached
  + libfreetype6                            2.13.3  h48d6fc4_1            conda-forge     Cached
  + libgcc                                  15.1.0  h767d61c_2            conda-forge     Cached
  + libgcc-ng                               15.1.0  h69a702a_2            conda-forge     Cached
  + libgcrypt-lib                           1.11.1  hb9d3cd8_0            conda-forge     Cached
  + libgettextpo                            0.24.1  h5888daf_0            conda-forge     Cached
  + libgettextpo-devel                      0.24.1  h5888daf_0            conda-forge     Cached
  + libgfortran                             15.1.0  h69a702a_2            conda-forge     Cached
  + libgfortran5                            15.1.0  hcea5267_2            conda-forge     Cached
  + libgl                                    1.7.0  ha4b6fd6_2            conda-forge     Cached
  + libglib                                 2.84.2  h3618099_0            conda-forge     Cached
  + libglvnd                                 1.7.0  ha4b6fd6_2            conda-forge     Cached
  + libglx                                   1.7.0  ha4b6fd6_2            conda-forge     Cached
  + libgomp                                 15.1.0  h767d61c_2            conda-forge     Cached
  + libgoogle-cloud                         2.36.0  hc4361e1_1            conda-forge     Cached
  + libgoogle-cloud-storage                 2.36.0  h0121fbd_1            conda-forge     Cached
  + libgpg-error                              1.55  h3f2d84a_0            conda-forge     Cached
  + libgrpc                                 1.71.0  h8e591d7_1            conda-forge     Cached
  + libiconv                                  1.18  h4ce23a2_1            conda-forge     Cached
  + libjpeg-turbo                            3.1.0  hb9d3cd8_0            conda-forge     Cached
  + liblapack                                3.9.0  31_h7ac8fdf_openblas  conda-forge     Cached
  + libllvm20                               20.1.6  he9d0ab4_0            conda-forge     Cached
  + liblzma                                  5.8.1  hb9d3cd8_1            conda-forge     Cached
  + libmpdec                                 4.0.0  hb9d3cd8_0            conda-forge     Cached
  + libnghttp2                              1.64.0  h161d5f1_0            conda-forge     Cached
  + libntlm                                    1.8  hb9d3cd8_0            conda-forge     Cached
  + libogg                                   1.3.5  hd0c01bc_1            conda-forge     Cached
  + libopenblas                             0.3.29  pthreads_h94d23a6_0   conda-forge     Cached
  + libopengl                                1.7.0  ha4b6fd6_2            conda-forge     Cached
  + libopentelemetry-cpp                    1.21.0  hd1b1c89_0            conda-forge     Cached
  + libopentelemetry-cpp-headers            1.21.0  ha770c72_0            conda-forge     Cached
  + libopus                                  1.5.2  hd0c01bc_0            conda-forge     Cached
  + libparquet                              20.0.0  h081d1f1_6_cpu        conda-forge        1MB
  + libpciaccess                              0.18  hd590300_0            conda-forge     Cached
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  + libpq                                     17.5  h27ae623_0            conda-forge     Cached
  + libprotobuf                             5.29.3  h501fc15_1            conda-forge     Cached
  + libre2-11                           2024.07.02  hba17884_3            conda-forge     Cached
  + libsndfile                               1.2.2  hc60ed4a_1            conda-forge     Cached
  + libsqlite                               3.50.0  hee588c1_0            conda-forge     Cached
  + libssh2                                 1.11.1  hcf80075_0            conda-forge     Cached
  + libstdcxx                               15.1.0  h8f9b012_2            conda-forge     Cached
  + libstdcxx-ng                            15.1.0  h4852527_2            conda-forge     Cached
  + libsystemd0                              257.6  h4e0b6ca_0            conda-forge     Cached
  + libthrift                               0.21.0  h0e7cc3e_0            conda-forge     Cached
  + libtiff                                  4.7.0  hf01ce69_5            conda-forge     Cached
  + libutf8proc                             2.10.0  h202a827_0            conda-forge     Cached
  + libuuid                                 2.38.1  h0b41bf4_0            conda-forge     Cached
  + libvorbis                                1.3.7  h9c3ff4c_0            conda-forge     Cached
  + libwebp-base                             1.5.0  h851e524_0            conda-forge     Cached
  + libxcb                                  1.17.0  h8a09558_0            conda-forge     Cached
  + libxkbcommon                            1.10.0  h65c71a3_0            conda-forge     Cached
  + libxml2                                 2.13.8  h4bc477f_0            conda-forge     Cached
  + libxslt                                 1.1.39  h76b75d6_0            conda-forge     Cached
  + libzlib                                  1.3.1  hb9d3cd8_2            conda-forge     Cached
  + llvmlite                                0.44.0  py313h1b76d92_1       conda-forge     Cached
  + lxml                                     5.4.0  py313h73548e6_0       conda-forge     Cached
  + lz4-c                                   1.10.0  h5888daf_1            conda-forge     Cached
  + markupsafe                               3.0.2  py313h8060acc_1       conda-forge     Cached
  + matplotlib                              3.10.3  py313h78bf25f_0       conda-forge     Cached
  + matplotlib-base                         3.10.3  py313h129903b_0       conda-forge     Cached
  + meson                                    1.2.1  pyhd8ed1ab_0          conda-forge     Cached
  + meson-python                            0.13.1  pyh0c530f3_0          conda-forge     Cached
  + mpg123                                  1.32.9  hc50e24c_0            conda-forge     Cached
  + multidict                                6.4.4  py313h8060acc_0       conda-forge     Cached
  + munkres                                  1.1.4  pyh9f0ad1d_0          conda-forge     Cached
  + ncurses                                    6.5  h2d0b736_3            conda-forge     Cached
  + ninja                                   1.12.1  hff21bea_1            conda-forge     Cached
  + nlohmann_json                           3.12.0  h3f2d84a_0            conda-forge     Cached
  + nomkl                                      1.0  h5ca1d4c_0            conda-forge     Cached
  + nspr                                      4.36  h5888daf_0            conda-forge     Cached
  + nss                                      3.112  h159eef7_0            conda-forge     Cached
  + numba                                   0.61.2  py313h0b724e9_0       conda-forge     Cached
  + numexpr                                 2.10.2  py313h5f97788_100     conda-forge     Cached
  + numpy                                    2.2.6  py313h17eae1a_0       conda-forge     Cached
  + oauthlib                                 3.2.2  pyhd8ed1ab_1          conda-forge     Cached
  + odfpy                                    1.4.1  pyhd8ed1ab_1          conda-forge     Cached
  + openjpeg                                 2.5.3  h5fbd93e_0            conda-forge     Cached
  + openldap                                2.6.10  he970967_0            conda-forge     Cached
  + openpyxl                                 3.1.5  py313h9c9eb82_1       conda-forge     Cached
  + openssl                                  3.5.0  h7b32b05_1            conda-forge     Cached
  + orc                                      2.1.2  h17f744e_0            conda-forge     Cached
  + packaging                                 25.0  pyh29332c3_1          conda-forge     Cached
  + pandas                                   2.2.3  py313ha87cce1_3       conda-forge     Cached
  + pcre2                                    10.45  hc749103_0            conda-forge     Cached
  + pillow                                  11.2.1  py313h8db990d_0       conda-forge     Cached
  + pip                                     25.1.1  pyh145f28c_0          conda-forge     Cached
  + pixman                                  0.46.0  h29eaf8c_0            conda-forge     Cached
  + pluggy                                   1.6.0  pyhd8ed1ab_0          conda-forge     Cached
  + ply                                       3.11  pyhd8ed1ab_3          conda-forge     Cached
  + prometheus-cpp                           1.3.0  ha5d0236_0            conda-forge     Cached
  + propcache                                0.3.1  py313h8060acc_0       conda-forge     Cached
  + proto-plus                              1.26.1  pyhd8ed1ab_0          conda-forge     Cached
  + protobuf                                5.29.3  py313h386a9ef_0       conda-forge     Cached
  + psycopg2                                2.9.10  py313hd40f53e_0       conda-forge     Cached
  + pthread-stubs                              0.4  hb9d3cd8_1002         conda-forge     Cached
  + pulseaudio-client                         17.0  hac146a9_1            conda-forge     Cached
  + py-cpuinfo                               9.0.0  pyhd8ed1ab_1          conda-forge     Cached
  + pyarrow                                 20.0.0  py313h78bf25f_0       conda-forge       26kB
  + pyarrow-core                            20.0.0  py313he5f92c8_0_cpu   conda-forge        5MB
  + pyasn1                                   0.6.1  pyhd8ed1ab_2          conda-forge     Cached
  + pyasn1-modules                           0.4.2  pyhd8ed1ab_0          conda-forge     Cached
  + pycparser                                 2.22  pyh29332c3_1          conda-forge     Cached
  + pygments                                2.19.1  pyhd8ed1ab_0          conda-forge     Cached
  + pyjwt                                   2.10.1  pyhd8ed1ab_0          conda-forge     Cached
  + pymysql                                  1.1.1  pyhd8ed1ab_1          conda-forge     Cached
  + pyopenssl                               25.1.0  pyhd8ed1ab_0          conda-forge     Cached
  + pyparsing                                3.2.3  pyhd8ed1ab_1          conda-forge     Cached
  + pyproject-metadata                       0.9.1  pyhd8ed1ab_0          conda-forge     Cached
  + pyqt                                   5.15.11  py313h53ddd62_0       conda-forge     Cached
  + pyqt5-sip                              12.17.0  py313h46c70d0_0       conda-forge     Cached
  + pyreadstat                               1.2.9  py313h5165e8f_0       conda-forge     Cached
  + pyside6                                  6.9.0  py313h5f61773_0       conda-forge     Cached
  + pysocks                                  1.7.1  pyha55dd90_7          conda-forge     Cached
  + pytables                                3.10.2  py313h49b9dc6_4       conda-forge     Cached
  + pytest                                   8.4.0  pyhd8ed1ab_0          conda-forge     Cached
  + pytest-cov                               6.1.1  pyhd8ed1ab_0          conda-forge     Cached
  + pytest-localserver                 0.9.0.post0  pyhd8ed1ab_1          conda-forge     Cached
  + pytest-qt                                4.4.0  pyhdecd6ff_1          conda-forge     Cached
  + pytest-xdist                             3.7.0  pyhd8ed1ab_0          conda-forge     Cached
  + python                                  3.13.3  hf636f53_101_cp313    conda-forge     Cached
  + python-calamine                          0.3.2  py313h920b4c0_0       conda-forge     Cached
  + python-dateutil                    2.9.0.post0  pyhff2d567_1          conda-forge     Cached
  + python-tzdata                           2025.2  pyhd8ed1ab_0          conda-forge     Cached
  + python_abi                                3.13  7_cp313               conda-forge     Cached
  + pytz                                    2025.2  pyhd8ed1ab_0          conda-forge     Cached
  + pyu2f                                    0.1.5  pyhd8ed1ab_1          conda-forge     Cached
  + pyxlsb                                  1.0.10  pyhd8ed1ab_0          conda-forge     Cached
  + qhull                                   2020.2  h434a139_5            conda-forge     Cached
  + qt-main                                5.15.15  hea1682b_4            conda-forge     Cached
  + qt6-main                                 6.9.0  h0384650_3            conda-forge     Cached
  + qtpy                                     2.4.3  pyhd8ed1ab_0          conda-forge       63kB
  + re2                                 2024.07.02  h9925aae_3            conda-forge     Cached
  + readline                                   8.2  h8c095d6_2            conda-forge     Cached
  + requests                                2.32.3  pyhd8ed1ab_1          conda-forge     Cached
  + requests-oauthlib                        2.0.0  pyhd8ed1ab_1          conda-forge     Cached
  + rsa                                      4.9.1  pyhd8ed1ab_0          conda-forge     Cached
  + s2n                                     1.5.20  h05206e4_0            conda-forge     Cached
  + s3fs                                  2025.5.1  pyhd8ed1ab_0          conda-forge     Cached
  + s3transfer                              0.11.3  pyhd8ed1ab_0          conda-forge     Cached
  + scipy                                   1.15.2  py313h86fcf2b_0       conda-forge     Cached
  + setuptools                              80.9.0  pyhff2d567_0          conda-forge     Cached
  + sip                                     6.10.0  py313h46c70d0_0       conda-forge     Cached
  + six                                     1.17.0  pyhd8ed1ab_0          conda-forge     Cached
  + snappy                                   1.2.1  h8bd8927_1            conda-forge     Cached
  + sortedcontainers                         2.4.0  pyhd8ed1ab_1          conda-forge     Cached
  + soupsieve                                  2.7  pyhd8ed1ab_0          conda-forge     Cached
  + sqlalchemy                              2.0.41  py313h536fd9c_0       conda-forge     Cached
  + tabulate                                 0.9.0  pyhd8ed1ab_2          conda-forge     Cached
  + tk                                      8.6.13  noxft_hd72426e_102    conda-forge     Cached
  + toml                                    0.10.2  pyhd8ed1ab_1          conda-forge     Cached
  + tomli                                    2.2.1  pyhd8ed1ab_1          conda-forge     Cached
  + tornado                                  6.5.1  py313h536fd9c_0       conda-forge     Cached
  + typing-extensions                       4.14.0  h32cad80_0            conda-forge       90kB
  + typing_extensions                       4.14.0  pyhe01879c_0          conda-forge       51kB
  + tzdata                                   2025b  h78e105d_0            conda-forge     Cached
  + urllib3                                  2.4.0  pyhd8ed1ab_0          conda-forge     Cached
  + versioneer                                0.29  pyhd8ed1ab_0          conda-forge     Cached
  + wayland                                 1.23.1  h3e06ad9_1            conda-forge     Cached
  + webencodings                             0.5.1  pyhd8ed1ab_3          conda-forge     Cached
  + werkzeug                                 3.1.3  pyhd8ed1ab_1          conda-forge     Cached
  + wrapt                                   1.17.2  py313h536fd9c_0       conda-forge     Cached
  + xarray                                2025.4.0  pyhd8ed1ab_0          conda-forge     Cached
  + xcb-util                                 0.4.1  hb711507_2            conda-forge     Cached
  + xcb-util-cursor                          0.1.5  hb9d3cd8_0            conda-forge     Cached
  + xcb-util-image                           0.4.0  hb711507_2            conda-forge     Cached
  + xcb-util-keysyms                         0.4.1  hb711507_0            conda-forge     Cached
  + xcb-util-renderutil                     0.3.10  hb711507_0            conda-forge     Cached
  + xcb-util-wm                              0.4.2  hb711507_0            conda-forge     Cached
  + xkeyboard-config                          2.44  hb9d3cd8_0            conda-forge     Cached
  + xlrd                                     2.0.1  pyhd8ed1ab_3          conda-forge     Cached
  + xlsxwriter                               3.2.3  pyhd8ed1ab_0          conda-forge     Cached
  + xorg-libice                              1.1.2  hb9d3cd8_0            conda-forge     Cached
  + xorg-libsm                               1.2.6  he73a12e_0            conda-forge     Cached
  + xorg-libx11                             1.8.12  h4f16b4b_0            conda-forge     Cached
  + xorg-libxau                             1.0.12  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxcomposite                       0.4.6  hb9d3cd8_2            conda-forge     Cached
  + xorg-libxcursor                          1.2.3  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxdamage                          1.1.6  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxdmcp                            1.1.5  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxext                             1.3.6  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxfixes                           6.0.1  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxi                               1.8.2  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxrandr                           1.5.4  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxrender                         0.9.12  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxshmfence                        1.3.3  hb9d3cd8_0            conda-forge     Cached
  + xorg-libxtst                             1.2.5  hb9d3cd8_3            conda-forge     Cached
  + xorg-libxxf86vm                          1.1.6  hb9d3cd8_0            conda-forge     Cached
  + yarl                                    1.20.0  py313h8060acc_0       conda-forge     Cached
  + zlib                                     1.3.1  hb9d3cd8_2            conda-forge     Cached
  + zlib-ng                                  2.2.4  h7955e40_0            conda-forge     Cached
  + zstandard                               0.23.0  py313h536fd9c_2       conda-forge     Cached
  + zstd                                     1.5.7  hb8e6e7a_2            conda-forge     Cached

  Summary:

  Install: 336 packages

  Total download: 26MB

──────────────────────────────────────────────────────────────────────────────────────────────────


Dry run. Not executing the transaction.

To activate this environment, use:

    mamba activate pandas-dev-313

Or to execute a single command in this environment, use:

    mamba run -n pandas-dev-313 mycommand

mamba env create -v -f src/pandas/ci/deps/actions-313.yaml --dry-run  4120.86s user 4.04s system 21% cpu 5:22:55.94 total

environment.yml

name: pandas-dev-313
channels:
  - conda-forge
dependencies:
  - python=3.13

  # build dependencies
  - versioneer
  - cython>=0.29.33
  - meson=1.2.1
  - meson-python=0.13.1

  # test dependencies
  - pytest>=7.3.2
  - pytest-cov
  - pytest-xdist>=3.4.0
  - pytest-localserver>=0.8.1
  - pytest-qt>=4.4.0
  - boto3

  # required dependencies
  - python-dateutil
  - numpy

  # optional dependencies
  - beautifulsoup4>=4.12.3
  - blosc>=1.21.3
  - bottleneck>=1.3.6
  - fastparquet>=2024.2.0
  - fsspec>=2023.12.2
  - html5lib>=1.1
  - hypothesis>=6.84.0
  - gcsfs>=2023.12.2
  - jinja2>=3.1.3
  - lxml>=4.9.2
  - matplotlib>=3.8.3
  - numba>=0.59.0
  - numexpr>=2.9.0
  - odfpy>=1.4.1
  - qtpy>=2.3.0
  - pyqt>=5.15.9
  - openpyxl>=3.1.2
  - psycopg2>=2.9.6
  - pyarrow>=10.0.1
  - pymysql>=1.1.0
  - pyreadstat>=1.2.6
  - pytables>=3.8.0
  - python-calamine>=0.1.7
  - pytz>=2023.4
  - pyxlsb>=1.0.10
  - s3fs>=2023.12.2
  - scipy>=1.12.0
  - sqlalchemy>=2.0.0
  - tabulate>=0.9.0
  - xarray>=2024.1.1
  - xlrd>=2.0.1
  - xlsxwriter>=3.2.0
  - zstandard>=0.22.0

  - pip:
    - adbc-driver-postgresql>=0.10.0
    - adbc-driver-sqlite>=0.8.0
    - tzdata>=2022.7

~/.condarc

Not using a custom .condarc file

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