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Usage at CERN
source /afs/cern.ch/user/m/mrieger/public/law_sw/setup.sh
which luigi
# /afs/cern.ch/user/m/mrieger/public/law_sw/luigi/bin/luigi
which law
# /afs/cern.ch/user/m/mrieger/public/law_sw/law/bin/law
pip install --user six luigi law
# make sure to update your PATH and PYHTONPATH
export PATH="$HOME/.local/bin:$PATH"
export PYTHONPATH="$HOME/.local/lib/python2.7/site-packages:$PYTHONPATH"
which luigi
# $HOME/.local/bin/luigi
which law
# $HOME/.local/bin/law
The setup with CMSSW is identical to the plain setup without CMSSW shown above.
If you plan to use law's remote file targets (which are build ontop of GFAL2 python-bindings) with XRootD support, make sure to update your GFAL plugins via:
source "$(law location)/contrib/cms/scripts/setup_gfal_plugins.sh" <path_to_new_gfal_plugin_dir>
In a CMSSW environment, all gfal plugins appear to work except for the XRootD plugin (libgfal_plugin_xrootd.so
). The command above creates a new directory, symlinks the working gfal plugins from your system into it, downloads a custom compiled XRootD plugin, and exports the directory as GFAL_PLUGIN_DIR
. This was tested with SCRAM_ARCH=slc{6,7}_amd64_gcc{630,700}
and CMSSW 9/10.
source "$( law completion )"
zsh is able to load and evaluate bash completion scripts via bashcompinit
. In order for bashcompinit
to work, you should run compinstall
to enable completion scripts:
autoload -Uz compinstall && compinstall
After following the instructions, these lines should be present in your ~/.zshrc:
# The following lines were added by compinstall
zstyle :compinstall filename '~/.zshrc'
autoload -Uz compinit
compinit
# End of lines added by compinstall
If this is the case, just source the law completion script (which internally enables bashcompinit) and you're good to go:
source "$( law completion )"