#9386: sage-native-execute leaves traces of sage
-------------------------------------+-------------------------------------
Reporter: nbruin | Owner: tbd
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers:
Authors: Thierry Monteil | Work issues:
Report Upstream: N/A | Commit:
Branch: | 920c897ec3c439d772f7dfef1a420fb9aec0baea
u/tmonteil/sage_native_execute_leaves_traces_of_sage| Stopgaps:
Dependencies: |
-------------------------------------+-------------------------------------
Comment (by tmonteil):
After quite some work, the following seems to work (and let us love
Python):
{{{
sage_export () {
if [ $(echo "${SAGE_SAVED_ENVIRONMENT_VARIABLES}" | grep -c " ${1} ")
= 0 ] ; then
SAGE_SAVED_ENVIRONMENT_VARIABLES+=" ${1} "
if [ -z "${!1+set}" ] ; then
declare -g SAGE_SAVED_${1}='sage_unset'
else
declare -g SAGE_SAVED_${1}=${!1}
fi
fi
declare -g ${1}=${2}
export ${1}
export SAGE_SAVED_${1}
export SAGE_SAVED_ENVIRONMENT_VARIABLES
}
sage_clean () {
for VARIABLE in ${SAGE_SAVED_ENVIRONMENT_VARIABLES} ; do
declare SAGE_TMP_VAR_NAME=SAGE_SAVED_${VARIABLE}
if [ "${!SAGE_TMP_VAR_NAME}" = 'sage_unset' ] ; then
unset ${VARIABLE}
else
declare -g ${VARIABLE}=${!SAGE_TMP_VAR_NAME}
export ${VARIABLE}
fi
unset ${SAGE_TMP_VAR_NAME}
done
unset SAGE_SAVED_ENVIRONMENT_VARIABLES
}
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/9386#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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