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DISPLAY isn't always set #15

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DISPLAY isn't always set #15

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6 changes: 5 additions & 1 deletion src/mouseinfo/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -220,9 +220,11 @@ def _macGetPixel(x, y):
else:
raise

_display = Display(os.environ['DISPLAY'])
_display = Display(os.environ['DISPLAY']) if 'DISPLAY' in os.environ else None

def _linuxPosition():
if _display is None:
return
coord = _display.screen().root.query_pointer()._data
return coord["root_x"], coord["root_y"]
position = _linuxPosition
Expand Down Expand Up @@ -251,6 +253,8 @@ def _linuxScreenshot(filename=None):
screenshot = _linuxScreenshot

def _linuxSize():
if _display is None:
return
return _display.screen().width_in_pixels, _display.screen().height_in_pixels
size = _linuxSize

Expand Down