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fix broken pipe

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olli 2024-03-27 22:49:30 +01:00
parent 5280224a9c
commit d1c32d32c6
1 changed files with 33 additions and 32 deletions
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65
gaboshlib/g_python.sh
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@ -1,6 +1,5 @@
function g_python {
unset g_python_result
g_rnd=$$
local g_python_jobs
@ -8,56 +7,58 @@ function g_python {
# Use python in backround for multiple python commands running much faster
#if [ -z "${g_python_running}" ]
if ! [[ ${g_python_jobs[*]} =~ python-pipeexec.py ]]
if [[ ${g_python_jobs[*]} != *python-pipeexec.py* ]]
then
mkdir -p ${g_tmp}/${g_rnd}
if [ -s ${g_tmp}/${g_rnd}/python-error ]
then
g_echo_error "From last python run: $(cat ${g_tmp}/${g_rnd}/python-error)"
rm -f ${g_tmp}/${g_rnd}/python-error
fi
[ -p ${g_tmp}/${g_rnd}/python-in ] || mkfifo ${g_tmp}/${g_rnd}/python-in
[ -p ${g_tmp}/${g_rnd}/python-out ] || mkfifo ${g_tmp}/${g_rnd}/python-out
#[ -p ${g_tmp}/${g_rnd}/python-out ] || mkfifo ${g_tmp}/${g_rnd}/python-out
echo "while 1:
exec(open(\"${g_tmp}/${g_rnd}/python-in\").read())
print('DONE')
" >${g_tmp}/${g_rnd}/python-pipeexec.py
# python stream channel
{ python3 -u ${g_tmp}/${g_rnd}/python-pipeexec.py >${g_tmp}/${g_rnd}/python-out 2>${g_tmp}/${g_rnd}/python-error & }
{ python3 -u ${g_tmp}/${g_rnd}/python-pipeexec.py >>${g_tmp}/${g_rnd}/python-out 2>>${g_tmp}/${g_rnd}/python-error & }
g_python_running="true"
fi
# do python
echo "$@" >${g_tmp}/${g_rnd}/python-in &
sleep 0.02
>${g_tmp}/${g_rnd}/python-out
>${g_tmp}/${g_rnd}/python-error
echo $@ >${g_tmp}/${g_rnd}/python-in
mapfile -t g_python_jobs < <(jobs -r)
if ! [[ ${g_python_jobs[*]} =~ python-pipeexec.py ]]
then
g_echo_error "$(cat ${g_tmp}/${g_rnd}/python-error)"
rm ${g_tmp}/${g_rnd}/python-error
unset g_python_running
return 1
fi
while true
do
if [ -n "$g_python_waitforoutput" ]
then
until [ -n "$g_python_result" ]
do
read -t 0.2 g_python_result <${g_tmp}/${g_rnd}/python-out
[ -s "${g_tmp}/${g_rnd}/python-error" ] && break
done
unset g_python_waitforoutput
else
read -t0.2 g_python_result <${g_tmp}/${g_rnd}/python-out
fi
# Check for output
if [ -s ${g_tmp}/${g_rnd}/python-out ]
then
unset g_python_result
mapfile -t g_python_result <${g_tmp}/${g_rnd}/python-out
if [[ ${g_python_result[-1]} == DONE ]]
then
# remove the DONE output (last array element
unset g_python_result[-1]
break
fi
fi
if [ -s "${g_tmp}/${g_rnd}/python-error" ]
then
g_echo_error "$(cat ${g_tmp}/${g_rnd}/python-error)"
rm ${g_tmp}/${g_rnd}/python-error
return 1
fi
# Check for error
mapfile -t g_python_jobs < <(jobs -r)
if [ -s "${g_tmp}/${g_rnd}/python-error" ] || [[ ${g_python_jobs[*]} != *python-pipeexec.py* ]]
then
g_echo_error "Python Progress not running:
$(cat ${g_tmp}/${g_rnd}/python-error)"
return 1
fi
# sleep a short time
sleep 0.1
done
}