John Brearley <brear...@bell.net> added the comment:
Additonal testing shows that the subprocess.run command will reliably interact
directly with gnuplot, either from the IDLEX GUI or the Python terminal window.
import subprocess
def run_cmd(cmd):
print("run_cmd cmd:", cmd)
# MUST explicitly ask for stdout, stderr. timeout is in seconds
p1 = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
timeout=20)
# print("run_cmd p1:", p1, type(p1))
print("run_cmd p1.stdout:", p1.stdout, type(p1.stdout),
p1.stdout.decode("utf-8"))
print("run_cmd p1.stderr:", p1.stderr, type(p1.stderr),
p1.stderr.decode("utf-8"))
print("run_cmd p1.returncode:", p1.returncode, type(p1.returncode))
cmd = "gnuplot.exe "+self+"_candles.gnu"
run_cmd(cmd)
----------
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue31880>
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