I tried to install 2 python packages: "matplotlib” and "future"
"matplotlib” installed fine, but "future" failed.
I use a Windows 10 laptop.
I tried to reproduce here the entire situation (commands I used and what the response was from RStudio).
### TRY TO INSTALLL ("matplotlib") AND SUCCEED
> py_discover_config()
about to do py_discover_config()python: C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate/python.exe
libpython: C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate/python36.dll
pythonhome: C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate
version: 3.6.7 (default, Dec 6 2019, 07:03:06) [MSC v.1900 64 bit (AMD64)]
Architecture: 64bit
numpy: C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate/Lib/site-packages/numpy
numpy_version: 1.17.4
> files_list_reticulate_py_packages = list.files(path = "C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate/Lib/site-packages")
> files_list_reticulate_py_packages[grep("matplotlib", files_list_reticulate_py_packages)]
character(0)
> packages_want = c("matplotlib")
> conda_install(envname = "r-reticulate", packages = packages_want)
Collecting package metadata (current_repodata.json): ...working... done
Solving environment: ...working... done
# All requested packages already installed.
Collecting package metadata (current_repodata.json): ...working... done
Solving environment: ...working... done
## Package Plan ##
environment location: Path 2 ending with ~1\AppData\Local\R-MINI~1\envs\r-reticulate
added || updated specs:
- matplotlib
- python
The following packages will be downloaded:
package | build
---------------------------|-----------------
certifi-2019.11.28 | py36_0 148 KB conda-forge
cycler-0.10.0 | py_2 9 KB conda-forge
freetype-2.10.0 | h563cfd7_1 476 KB conda-forge
icu-64.2 | he025d50_1 14.1 MB conda-forge
jpeg-9c | hfa6e2cd_1001 314 KB conda-forge
kiwisolver-1.1.0 | py36he980bc4_0 61 KB conda-forge
libclang-9.0.1 |default_hf44288c_0 20.8 MB conda-forge
libpng-1.6.37 | h7602738_0 1.3 MB conda-forge
matplotlib-3.1.2 | py36_1 7 KB conda-forge
matplotlib-base-3.1.2 | py36h2981e6d_1 6.6 MB conda-forge
pyparsing-2.4.6 | py_0 59 KB conda-forge
pyqt-5.12.3 | py36h6538335_1 4.7 MB conda-forge
python-dateutil-2.8.1 | py_0 220 KB conda-forge
qt-5.12.5 | h7ef1ec2_0 104.4 MB conda-forge
tornado-6.0.3 | py36hfa6e2cd_0 639 KB conda-forge
------------------------------------------------------------
Total: 153.8 MB
The following NEW packages will be INSTALLED:
cycler conda-forge||noarch::cycler-0.10.0-py_2
freetype conda-forge||win-64::freetype-2.10.0-h563cfd7_1
icu conda-forge||win-64::icu-64.2-he025d50_1
jpeg conda-forge||win-64::jpeg-9c-hfa6e2cd_1001
kiwisolver conda-forge||win-64::kiwisolver-1.1.0-py36he980bc4_0
libclang conda-forge||win-64::libclang-9.0.1-default_hf44288c_0
libpng conda-forge||win-64::libpng-1.6.37-h7602738_0
matplotlib conda-forge||win-64::matplotlib-3.1.2-py36_1
matplotlib-base conda-forge||win-64::matplotlib-base-3.1.2-py36h2981e6d_1
pyparsing conda-forge||noarch::pyparsing-2.4.6-py_0
pyqt conda-forge||win-64::pyqt-5.12.3-py36h6538335_1
python-dateutil conda-forge||noarch::python-dateutil-2.8.1-py_0
qt conda-forge||win-64::qt-5.12.5-h7ef1ec2_0
tornado conda-forge||win-64::tornado-6.0.3-py36hfa6e2cd_0
The following packages will be UPDATED:
ca-certificates pkgs||main::ca-certificates-2019.11.27~ --> conda-forge::ca-certificates-2019.11.28-hecc5488_0
The following packages will be SUPERSEDED by a higher-priority channel:
certifi pkgs||main --> conda-forge
openssl pkgs||main::openssl-1.1.1d-he774522_3 --> conda-forge::openssl-1.1.1d-hfa6e2cd_0
python pkgs||main::python-3.6.10-h9f7ef89_0 --> conda-forge::python-3.6.7-he025d50_1006
Downloading and Extracting Packages
certifi-2019.11.28 | 148 KB | ########## | 100%
freetype-2.10.0 | 476 KB | ########## | 100%
libclang-9.0.1 | 20.8 MB | ########## | 100%
matplotlib-3.1.2 | 7 KB | ########## | 100%
pyqt-5.12.3 | 4.7 MB | ########## | 100%
tornado-6.0.3 | 639 KB | ########## | 100%
cycler-0.10.0 | 9 KB | ########## | 100%
qt-5.12.5 | 104.4 MB | ########## | 100%
kiwisolver-1.1.0 | 61 KB | ########## | 100%
python-dateutil-2.8. | 220 KB | ########## | 100%
matplotlib-base-3.1. | 6.6 MB | ########## | 100%
libpng-1.6.37 | 1.3 MB | ########## | 100%
jpeg-9c | 314 KB | ########## | 100%
icu-64.2 | 14.1 MB | ########## | 100%
pyparsing-2.4.6 | 59 KB | ########## | 100%
Preparing transaction: ...working... done
Verifying transaction: ...working... done
Executing transaction: ...working... done
> files_list_reticulate_py_packages = list.files(path = "C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate/Lib/site-packages")
> files_list_reticulate_py_packages[grep("matplotlib", files_list_reticulate_py_packages)]
[1] "matplotlib" "matplotlib-3.1.2-py3.6-nspkg.pth"
[3] "matplotlib-3.1.2.dist-info"
### TRY TO INSTALLL ("__future__") AND FAIL
> files_list_reticulate_py_packages[grep("future", files_list_reticulate_py_packages)]
character(0)
> packages_want = c("__future__")
>
>
> conda_install(envname = "r-reticulate", packages = packages_want)
Collecting package metadata (current_repodata.json): ...working... done
Solving environment: ...working... done
## Package Plan ##
environment location: C:\Users\USERXYZ~1\AppData\Local\R-MINI~1\envs\r-reticulate
added / updated specs:
- python
The following packages will be downloaded:
package | build
---------------------------|-----------------
certifi-2019.11.28 | py36_0 154 KB
------------------------------------------------------------
Total: 154 KB
The following packages will be UPDATED:
openssl conda-forge::openssl-1.1.1d-hfa6e2cd_0 --> pkgs/main::openssl-1.1.1d-he774522_3
python conda-forge::python-3.6.7-he025d50_10~ --> pkgs/main::python-3.6.10-h9f7ef89_0
The following packages will be SUPERSEDED by a higher-priority channel:
ca-certificates conda-forge::ca-certificates-2019.11.~ --> pkgs/main::ca-certificates-2019.11.27-0
certifi conda-forge --> pkgs/main
Downloading and Extracting Packages
certifi-2019.11.28 | 154 KB | ########## | 100%
Preparing transaction: ...working... done
Verifying transaction: ...working... done
Executing transaction: ...working... done
Collecting package metadata (current_repodata.json): ...working... done
Solving environment: ...working... failed with initial frozen solve. Retrying with flexible solve.
Collecting package metadata (repodata.json): ...working... done
Solving environment: ...working... failed with initial frozen solve. Retrying with flexible solve.
PackagesNotFoundError: The following packages are not available from current channels:
- __future__
Current channels:
- https://conda.anaconda.org/conda-forge/win-64
- https://conda.anaconda.org/conda-forge/noarch
- https://repo.anaconda.com/pkgs/main/win-64
- https://repo.anaconda.com/pkgs/main/noarch
- https://repo.anaconda.com/pkgs/r/win-64
- https://repo.anaconda.com/pkgs/r/noarch
- https://repo.anaconda.com/pkgs/msys2/win-64
- https://repo.anaconda.com/pkgs/msys2/noarch
To search for alternate channels that may provide the conda package you're
looking for, navigate to
https://anaconda.org
and use the search bar at the top of the page.
Error: one or more Python packages failed to install [error code 1]
>
> files_list_reticulate_py_packages = list.files(path = "C:/Users/userXYZ/AppData/Local/r-miniconda/envs/r-reticulate/Lib/site-packages")
>
> files_list_reticulate_py_packages[grep("future", files_list_reticulate_py_packages)]
character(0)