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Add MEASUREIT_FORCE_NON_PLOTTING env var for headless mode #46

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Merged
caidish merged 1 commit into from
May 9, 2026
Merged

Add MEASUREIT_FORCE_NON_PLOTTING env var for headless mode #46

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9 changes: 8 additions & 1 deletion src/measureit/sweep/base_sweep.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
import importlib
import json
import math
import os
import time
import threading
import warnings
Expand Down Expand Up @@ -259,7 +260,13 @@ def __init__(
)
self.inter_delay = inter_delay
self.save_data = save_data
self.plot_data = plot_data
# Headless mode: if MEASUREIT_FORCE_NON_PLOTTING is set, silently
# disable plotting to avoid QWidget errors in headless environments
# (e.g., Docker containers). Only active when the env var exists.
if os.environ.get("MEASUREIT_FORCE_NON_PLOTTING"):
self.plot_data = False
else:
self.plot_data = plot_data
self.x_axis = x_axis_time
self.back_multiplier = back_multiplier
self.direction = 0
Expand Down
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