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Check dmypy status and kill hung daemons before run #10

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Merged
merged 1 commit into from
Jun 21, 2021
Merged

Check dmypy status and kill hung daemons before run #10

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16 changes: 14 additions & 2 deletions mypy_ls/plugin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -172,9 +172,21 @@ def pylsp_lint(
log.info("executing mypy args = %s", args)
report, errors, _ = mypy_api.run(args)
else:
# If dmypy daemon is non-responsive calls to run will block.
# Check daemon status, if non-zero daemon is dead or hung.
# If daemon is hung, kill will reset
# If daemon is dead/absent, kill will no-op.
# In either case, reset to fresh state
_, _err, _status = mypy_api.run_dmypy(["status"])
if _status != 0:
log.info(
"restarting dmypy from status: %s message: %s", _status, _err.strip()
)
mypy_api.run_dmypy(["kill"])

# run to use existing daemon or restart if required
args = ["run", "--"] + args

log.info("executing dmypy args = %s", args)
log.info("dmypy run args = %s", args)
report, errors, _ = mypy_api.run_dmypy(args)

log.debug("report:\n%s", report)
Expand Down