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django/extras/django_bash_completion
Anders Kaseorg e535da6865 Fixed #19523 -- Improved performance of Django's bash completion
Previous version took about 150ms to source, even on a warm cache,
primarily because it forks+execs /usr/bin/basename 44 times.
This patch makes it faster by a factor of 5 (and I imagine that a little
more thought would reduce the time to effectively zero).
2013-01-22 13:50:10 +01:00

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# #########################################################################
# This bash script adds tab-completion feature to django-admin.py and
# manage.py.
#
# Testing it out without installing
# =================================
#
# To test out the completion without "installing" this, just run this file
# directly, like so:
#
# . ~/path/to/django_bash_completion
#
# Note: There's a dot ('.') at the beginning of that command.
#
# After you do that, tab completion will immediately be made available in your
# current Bash shell. But it won't be available next time you log in.
#
# Installing
# ==========
#
# To install this, point to this file from your .bash_profile, like so:
#
# . ~/path/to/django_bash_completion
#
# Do the same in your .bashrc if .bashrc doesn't invoke .bash_profile.
#
# Settings will take effect the next time you log in.
#
# Uninstalling
# ============
#
# To uninstall, just remove the line from your .bash_profile and .bashrc.
_django_completion()
{
COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]}" \
COMP_CWORD=$COMP_CWORD \
DJANGO_AUTO_COMPLETE=1 $1 ) )
}
complete -F _django_completion -o default django-admin.py manage.py django-admin
_python_django_completion()
{
if [[ ${COMP_CWORD} -ge 2 ]]; then
PYTHON_EXE=${COMP_WORDS[0]##*/}
echo $PYTHON_EXE | egrep "python([2-9]\.[0-9])?" >/dev/null 2>&1
if [[ $? == 0 ]]; then
PYTHON_SCRIPT=${COMP_WORDS[1]##*/}
echo $PYTHON_SCRIPT | egrep "manage\.py|django-admin(\.py)?" >/dev/null 2>&1
if [[ $? == 0 ]]; then
COMPREPLY=( $( COMP_WORDS="${COMP_WORDS[*]:1}" \
COMP_CWORD=$(( COMP_CWORD-1 )) \
DJANGO_AUTO_COMPLETE=1 ${COMP_WORDS[*]} ) )
fi
fi
fi
}
# Support for multiple interpreters.
unset pythons
if command -v whereis &>/dev/null; then
python_interpreters=$(whereis python | cut -d " " -f 2-)
for python in $python_interpreters; do
pythons="${pythons} ${python##*/}"
done
pythons=$(echo $pythons | tr " " "\n" | sort -u | tr "\n" " ")
else
pythons=python
fi
complete -F _python_django_completion -o default $pythons