1j01/textual-paint
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Avoid "possibly unbound" errors

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This commit is contained in:
Isaiah Odhner 2023-04-22 14:24:11 -04:00
parent 3b2b383595
commit da62add6c1
1 changed files with 12 additions and 0 deletions
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12
paint.py
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@ -456,6 +456,7 @@ class AnsiArtDocument:
target_region = Region(0, 0, source_region.width, source_region.height)
source_offset = source_region.offset
target_offset = target_region.offset
random_color: Optional[str] = None # avoid "possibly unbound"
if debug_region_updates:
random_color = "rgb(" + str(randint(0, 255)) + "," + str(randint(0, 255)) + "," + str(randint(0, 255)) + ")"
for y in range(target_region.height):
@ -465,6 +466,7 @@ class AnsiArtDocument:
self.bg[y + target_offset.y][x + target_offset.x] = source.bg[y + source_offset.y][x + source_offset.x]
self.fg[y + target_offset.y][x + target_offset.x] = source.fg[y + source_offset.y][x + source_offset.x]
if debug_region_updates:
assert random_color is not None
# self.bg[y + target_offset.y][x + target_offset.x] = "rgb(" + str((x + source_offset.x) * 255 // self.width) + "," + str((y + source_offset.y) * 255 // self.height) + ",0)"
self.bg[y + target_offset.y][x + target_offset.x] = random_color
else:
@ -926,6 +928,15 @@ class Canvas(Widget):
return Strip.blank(self.size.width)
segments = []
sel = self.image.selection
# Avoiding "possibly unbound" errors.
magnifier_preview_region = None
inner_magnifier_preview_region = None
select_preview_region = None
inner_select_preview_region = None
selection_region = None
inner_selection_region = None
if self.magnifier_preview_region:
magnifier_preview_region = scale_region(self.magnifier_preview_region, self.magnification)
inner_magnifier_preview_region = magnifier_preview_region.shrink((1, 1, 1, 1))
@ -2055,6 +2066,7 @@ class PaintApp(App):
affected_region = None
replace_action = self.selected_tool in [Tool.ellipse, Tool.rectangle, Tool.line, Tool.rounded_rectangle]
old_action: Optional[Action] = None # avoid "possibly unbound"
if replace_action:
old_action = self.undos.pop()
old_action.undo(self.image)