最終更新:2021-05-17 (月) 02:19:59 (27d)  

conda install
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バージョン指定

  • conda install python=3.8

オプション

  • conda install -c? <チャンネル> <パッケージ名>

help

  • usage: conda-script.py install [-h] [--revision REVISION]
                                   [-n ENVIRONMENT | -p PATH] [-c CHANNEL]
                                   [--use-local] [--override-channels]
                                   [--repodata-fn REPODATA_FNS]
                                   [--strict-channel-priority]
                                   [--no-channel-priority]
                                   [--no-deps | --only-deps] [--no-pin] [--copy]
                                   [--no-shortcuts] [-C] [-k] [--offline] [-d]
                                   [--json] [-q] [-v] [-y] [--download-only]
                                   [--show-channel-urls] [--file FILE]
                                   [--force-reinstall]
                                   [--freeze-installed | --update-deps | -S | --update-all | --update-specs]
                                   [-m] [--clobber] [--dev]
                                   [package_spec [package_spec ...]]
    
    Installs a list of packages into a specified conda environment.
    
        This command accepts a list of package specifications (e.g, bitarray=0.8)
        and installs a set of packages consistent with those specifications and
        compatible with the underlying environment. If full compatibility cannot
        be assured, an error is reported and the environment is not changed.
    
        Conda attempts to install the newest versions of the requested packages. To
        accomplish this, it may update some packages that are already installed, or
        install additional packages. To prevent existing packages from updating,
        use the --freeze-installed option. This may force conda to install older
        versions of the requested packages, and it does not prevent additional
        dependency packages from being installed.
    
        If you wish to skip dependency checking altogether, use the '--no-deps'
        option. This may result in an environment with incompatible packages, so
        this option must be used with great caution.
    
        conda can also be called with a list of explicit conda package filenames
        (e.g. ./lxml-3.2.0-py27_0.tar.bz2). Using conda in this mode implies the
        --no-deps option, and should likewise be used with great caution. Explicit
        filenames and package specifications cannot be mixed in a single command.
    
    Options:
    
    positional arguments:
      package_spec          Packages to install or update in the conda
                            environment.
    
    optional arguments:
      -h, --help            Show this help message and exit.
      --revision REVISION   Revert to the specified REVISION.
      --file FILE           Read package versions from the given file. Repeated
                            file specifications can be passed (e.g. --file=file1
                            --file=file2).
      --dev                 Use `sys.executable -m conda` in wrapper scripts
                            instead of CONDA_EXE. This is mainly for use during
                            tests where we test new conda source against old
                            Python versions.
    
    Target Environment Specification:
      -n ENVIRONMENT, --name ENVIRONMENT
                            Name of environment.
      -p PATH, --prefix PATH
                            Full path to environment location (i.e. prefix).
    
    Channel Customization:
      -c CHANNEL, --channel CHANNEL
                            Additional channel to search for packages. These are
                            URLs searched in the order they are given (including
                            file:// for local directories). Then, the defaults or
                            channels from .condarc are searched (unless
                            --override-channels is given). You can use 'defaults'
                            to get the default packages for conda. You can also
                            use any name and the .condarc channel_alias value will
                            be prepended. The default channel_alias is
                            http://conda.anaconda.org/.
      --use-local           Use locally built packages. Identical to '-c local'.
      --override-channels   Do not search default or .condarc channels. Requires
                            --channel.
      --repodata-fn REPODATA_FNS
                            Specify name of repodata on remote server. Conda will
                            try whatever you specify, but will ultimately fall
                            back to repodata.json if your specs are not
                            satisfiable with what you specify here. This is used
                            to employ repodata that is reduced in time scope. You
                            may pass this flagmore than once. Leftmost entries are
                            tried first, and the fallback torepodata.json is added
                            for you automatically.
    
    Solver Mode Modifiers:
      --strict-channel-priority
                            Packages in lower priority channels are not considered
                            if a package with the same name appears in a higher
                            priority channel.
      --no-channel-priority
                            Package version takes precedence over channel
                            priority. Overrides the value given by `conda config
                            --show channel_priority`.
      --no-deps             Do not install, update, remove, or change
                            dependencies. This WILL lead to broken environments
                            and inconsistent behavior. Use at your own risk.
      --only-deps           Only install dependencies.
      --no-pin              Ignore pinned file.
      --force-reinstall     Ensure that any user-requested package for the current
                            operation is uninstalled and reinstalled, even if that
                            package already exists in the environment.
      --freeze-installed, --no-update-deps
                            Do not update or change already-installed
                            dependencies.
      --update-deps         Update dependencies.
      -S, --satisfied-skip-solve
                            Exit early and do not run the solver if the requested
                            specs are satisfied. Also skips aggressive updates as
                            configured by 'aggressive_update_packages'. Similar to
                            the default behavior of 'pip install'.
      --update-all, --all   Update all installed packages in the environment.
      --update-specs        Update based on provided specifications.
    
    Package Linking and Install-time Options:
      --copy                Install all packages using copies instead of hard- or
                            soft-linking.
      --no-shortcuts        Don't install start menu shortcuts
      -m, --mkdir           Create the environment directory if necessary.
      --clobber             Allow clobbering of overlapping file paths within
                            packages, and suppress related warnings.
    
    Networking Options:
      -C, --use-index-cache
                            Use cache of channel index files, even if it has
                            expired.
      -k, --insecure        Allow conda to perform "insecure" SSL connections and
                            transfers. Equivalent to setting 'ssl_verify' to
                            'false'.
      --offline             Offline mode. Don't connect to the Internet.
    
    Output, Prompt, and Flow Control Options:
      -d, --dry-run         Only display what would have been done.
      --json                Report all output as json. Suitable for using conda
                            programmatically.
      -q, --quiet           Do not display progress bar.
      -v, --verbose         Can be used multiple times. Once for INFO, twice for
                            DEBUG, three times for TRACE.
      -y, --yes             Do not ask for confirmation.
      --download-only       Solve an environment and ensure package caches are
                            populated, but exit prior to unlinking and linking
                            packages into the prefix.
      --show-channel-urls   Show channel urls. Overrides the value given by `conda
                            config --show show_channel_urls`.
    
    Examples:
    
        conda install -n myenv scipy

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