def shaped_to_invalid_mix(shaped: Shaped) -> Strategy[Mix]:
polygons = shaped_to_polygons(shaped)
vertices = list(
flatten(
chain(polygon.border.vertices,
flatten(hole.vertices for hole in polygon.holes))
for polygon in polygons))
edges = list(flatten(polygon.edges for polygon in polygons))
scales = strategies.integers(2, 100)
rational_edges = strategies.sampled_from(edges).map(to_rational_segment)
return (strategies.builds(Mix,
sub_lists(vertices, min_size=2).map(Multipoint),
empty_geometries, strategies.just(shaped))
| strategies.builds(
Mix, empty_geometries,
strategies.builds(stretch_segment_end, rational_edges, scales),
strategies.just(shaped))
| strategies.builds(
Mix, empty_geometries,
strategies.builds(stretch_segment_start, rational_edges,
scales), strategies.just(shaped))
| strategies.builds(
Mix, empty_geometries,
strategies.sampled_from(polygons).map(to_polygon_diagonals),
strategies.just(shaped))
| strategies.builds(Mix, empty_geometries,
sub_lists(edges, min_size=2).map(Multisegment),
strategies.just(shaped)))
def to_polygons_with_extra_points(
polygon: Polygon) -> Strategy[Tuple[Polygon, Sequence[Point]]]:
return strategies.tuples(
strategies.just(polygon),
sub_lists(
sum(map(contour_to_edges, polygon.holes),
contour_to_edges(polygon.border))).flatmap(to_segments_points))
def multipolygon_to_multipolygons_with_multisegments(
multipolygon: Multipolygon,
*,
min_size: int = 2) -> Strategy[Tuple[Multipolygon, Multisegment]]:
edges = list(to_multipolygon_edges(multipolygon))
return strategies.tuples(strategies.just(multipolygon),
sub_lists(edges,
min_size=min_size)
.map(Multisegment))
def polygon_to_polygons_with_multisegments(polygon: Polygon,
*,
min_size: int = 2
) -> Strategy[Tuple[Polygon,
Multisegment]]:
return strategies.tuples(strategies.just(polygon),
sub_lists(list(to_polygon_edges(polygon)),
min_size=min_size)
.map(Multisegment))
def contour_to_invalid_polygons(convex_contour: Contour) -> Strategy[Polygon]:
return strategies.builds(
Polygon, strategies.just(convex_contour),
sub_lists(convex_contour.vertices, min_size=3).map(Contour).map(lift))
def to_contexts_with_segments_subsets(segments: Sequence[Segment]
) -> Strategy[Sequence[Segment]]:
return sub_lists(segments,
min_size=2)