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j
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Add support for ancient python v3.9 for some reason.
1 parent ca049df commit 624c936

1 file changed

Lines changed: 87 additions & 92 deletions

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‎qrcode/image/svg.py‎

Lines changed: 87 additions & 92 deletions
Original file line numberDiff line numberDiff line change
@@ -291,98 +291,93 @@ def add_to_splice_points():
291291
should_switch_to_splicing()
292292

293293
while True:
294-
match path_dir:
295-
case WD.East:
296-
while goal[curr_x][curr_y] and not goal[curr_x][curr_y - 1]:
297-
if curr_x not in path_flips:
298-
path_flips[curr_x] = []
299-
path_flips[curr_x].append(curr_y)
300-
curr_x += 1
301-
assert curr_x != last_x
302-
path_dir = (
303-
WD.North if goal[curr_x][curr_y - 1] else WD.South
304-
)
305-
if do_splice or (curr_x, curr_y) != (start_x, start_y):
306-
subpath_tail.cmds += abs_or_delta("hH", curr_x, last_x)
307-
308-
# only a left turn with a hole coming up on the right is spliceable
309-
if path_dir == WD.North and not goal[curr_x][curr_y]:
310-
add_to_splice_points()
311-
312-
if (curr_x, curr_y) == (start_x, start_y):
313-
break # subpath is done
314-
if should_switch_to_splicing():
315-
continue
316-
317-
case WD.West:
318-
while (
319-
not goal[curr_x - 1][curr_y]
320-
and goal[curr_x - 1][curr_y - 1]
321-
):
322-
curr_x -= 1
323-
if curr_x not in path_flips:
324-
path_flips[curr_x] = []
325-
path_flips[curr_x].append(curr_y)
326-
assert curr_x != last_x
327-
path_dir = (
328-
WD.South if goal[curr_x - 1][curr_y] else WD.North
329-
)
330-
if do_splice or (curr_x, curr_y) != (start_x, start_y):
331-
subpath_tail.cmds += abs_or_delta("hH", curr_x, last_x)
332-
333-
# only a left turn with a hole coming up on the right is spliceable
334-
if (
335-
path_dir == WD.South
336-
and not goal[curr_x - 1][curr_y - 1]
337-
):
338-
add_to_splice_points()
339-
340-
if (curr_x, curr_y) == (start_x, start_y):
341-
break # subpath is done
342-
if should_switch_to_splicing():
343-
continue
344-
345-
case WD.North:
346-
while (
347-
goal[curr_x][curr_y - 1]
348-
and not goal[curr_x - 1][curr_y - 1]
349-
):
350-
curr_y -= 1
351-
assert curr_y != last_y
352-
path_dir = (
353-
WD.West if goal[curr_x - 1][curr_y - 1] else WD.East
354-
)
355-
if do_splice or (curr_x, curr_y) != (start_x, start_y):
356-
subpath_tail.cmds += abs_or_delta("vV", curr_y, last_y)
357-
358-
# only a left turn with a hole coming up on the right is spliceable
359-
if path_dir == WD.West and not goal[curr_x][curr_y - 1]:
360-
add_to_splice_points()
361-
362-
if (curr_x, curr_y) == (start_x, start_y):
363-
break # subpath is done
364-
if should_switch_to_splicing():
365-
continue
366-
367-
case WD.South:
368-
while not goal[curr_x][curr_y] and goal[curr_x - 1][curr_y]:
369-
curr_y += 1
370-
assert curr_y != last_y
371-
path_dir = WD.East if goal[curr_x][curr_y] else WD.West
372-
if do_splice or (curr_x, curr_y) != (start_x, start_y):
373-
subpath_tail.cmds += abs_or_delta("vV", curr_y, last_y)
374-
375-
# only a left turn with a hole coming up on the right is spliceable
376-
if path_dir == WD.East and not goal[curr_x - 1][curr_y]:
377-
add_to_splice_points()
378-
379-
if (curr_x, curr_y) == (start_x, start_y):
380-
break # subpath is done
381-
if should_switch_to_splicing():
382-
continue
383-
384-
case _:
385-
raise
294+
if path_dir == WD.East:
295+
while goal[curr_x][curr_y] and not goal[curr_x][curr_y - 1]:
296+
if curr_x not in path_flips:
297+
path_flips[curr_x] = []
298+
path_flips[curr_x].append(curr_y)
299+
curr_x += 1
300+
assert curr_x != last_x
301+
path_dir = (
302+
WD.North if goal[curr_x][curr_y - 1] else WD.South
303+
)
304+
if do_splice or (curr_x, curr_y) != (start_x, start_y):
305+
subpath_tail.cmds += abs_or_delta("hH", curr_x, last_x)
306+
307+
# only a left turn with a hole coming up on the right is spliceable
308+
if path_dir == WD.North and not goal[curr_x][curr_y]:
309+
add_to_splice_points()
310+
311+
if (curr_x, curr_y) == (start_x, start_y):
312+
break # subpath is done
313+
if should_switch_to_splicing():
314+
continue
315+
elif path_dir == WD.West:
316+
while (
317+
not goal[curr_x - 1][curr_y]
318+
and goal[curr_x - 1][curr_y - 1]
319+
):
320+
curr_x -= 1
321+
if curr_x not in path_flips:
322+
path_flips[curr_x] = []
323+
path_flips[curr_x].append(curr_y)
324+
assert curr_x != last_x
325+
path_dir = (
326+
WD.South if goal[curr_x - 1][curr_y] else WD.North
327+
)
328+
if do_splice or (curr_x, curr_y) != (start_x, start_y):
329+
subpath_tail.cmds += abs_or_delta("hH", curr_x, last_x)
330+
331+
# only a left turn with a hole coming up on the right is spliceable
332+
if (
333+
path_dir == WD.South
334+
and not goal[curr_x - 1][curr_y - 1]
335+
):
336+
add_to_splice_points()
337+
338+
if (curr_x, curr_y) == (start_x, start_y):
339+
break # subpath is done
340+
if should_switch_to_splicing():
341+
continue
342+
elif path_dir == WD.North:
343+
while (
344+
goal[curr_x][curr_y - 1]
345+
and not goal[curr_x - 1][curr_y - 1]
346+
):
347+
curr_y -= 1
348+
assert curr_y != last_y
349+
path_dir = (
350+
WD.West if goal[curr_x - 1][curr_y - 1] else WD.East
351+
)
352+
if do_splice or (curr_x, curr_y) != (start_x, start_y):
353+
subpath_tail.cmds += abs_or_delta("vV", curr_y, last_y)
354+
355+
# only a left turn with a hole coming up on the right is spliceable
356+
if path_dir == WD.West and not goal[curr_x][curr_y - 1]:
357+
add_to_splice_points()
358+
359+
if (curr_x, curr_y) == (start_x, start_y):
360+
break # subpath is done
361+
if should_switch_to_splicing():
362+
continue
363+
elif path_dir == WD.South:
364+
while not goal[curr_x][curr_y] and goal[curr_x - 1][curr_y]:
365+
curr_y += 1
366+
assert curr_y != last_y
367+
path_dir = WD.East if goal[curr_x][curr_y] else WD.West
368+
if do_splice or (curr_x, curr_y) != (start_x, start_y):
369+
subpath_tail.cmds += abs_or_delta("vV", curr_y, last_y)
370+
371+
# only a left turn with a hole coming up on the right is spliceable
372+
if path_dir == WD.East and not goal[curr_x - 1][curr_y]:
373+
add_to_splice_points()
374+
375+
if (curr_x, curr_y) == (start_x, start_y):
376+
break # subpath is done
377+
if should_switch_to_splicing():
378+
continue
379+
else:
380+
raise
386381
assert (last_x, last_y) != (curr_x, curr_y), goal
387382
(last_x, last_y) = (curr_x, curr_y)
388383

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