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Maxima interop: also turn off readline if editline is in use (gcl) #77

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Merged
inducer merged 2 commits into from
Jan 2, 2022
Merged

Maxima interop: also turn off readline if editline is in use (gcl) #77

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Maxima interop: also turn off readline if editline is in use (gcl)
inducer Jan 2, 2022
f868a49
Merge branch 'main' into fix-maxima-editline
inducer Jan 2, 2022
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23 changes: 17 additions & 6 deletions pymbolic/interop/maxima.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,16 +293,27 @@ def _initialize(self):
hash_output = self.child.expect(["0\r\n", "1\r\n"])
if hash_output != 0:
raise RuntimeError(
"maxima executable '{command}' not found"
.format(command=self.executable))
f"maxima executable '{self.executable}' not found")

# }}}

self.child.sendline(" ".join(
['"' + self.executable + '"', "--disable-readline", "-q"]))
import tempfile
with tempfile.NamedTemporaryFile(suffix=".lisp") as maxima_init_f:

self.current_prompt = 0
self._expect_prompt(IN_PROMPT_RE)
# https://sourceforge.net/p/maxima/bugs/3909/
# FIXME assumes gcl in use
maxima_init_f.write(
b"(if (find :editline *features*) (si::readline-off))")
maxima_init_f.flush()

self.child.sendline(" ".join(
['"' + self.executable + '"',
"-p", maxima_init_f.name,
"--disable-readline",
"-q"]))

self.current_prompt = 0
self._expect_prompt(IN_PROMPT_RE)

self.exec_str("display2d:false")
self.exec_str("keepfloat:true")
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