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EPUB/AZW3 Output: When splitting the output html on page breaks, handle page-break-after rules correctly, the pre split point html should contain the full element

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Kovid Goyal 2013-02-16 12:58:26 +05:30
parent 03dcd9895a
commit 6d973fa811
1 changed files with 22 additions and 9 deletions
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29
src/calibre/ebooks/oeb/transforms/split.py
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@ -310,6 +310,8 @@ class FlowSplitter(object):
def nix_element(elem, top=True): def nix_element(elem, top=True):
# Remove elem unless top is False in which case replace elem by its
# children
parent = elem.getparent() parent = elem.getparent()
if top: if top:
parent.remove(elem) parent.remove(elem)
@ -319,27 +321,38 @@ class FlowSplitter(object):
# Tree 1 # Tree 1
hit_split_point = False hit_split_point = False
for elem in list(body.iterdescendants()): keep_descendants = False
split_point_descendants = frozenset(split_point.iterdescendants())
for elem in tuple(body.iterdescendants()):
if elem is split_point: if elem is split_point:
hit_split_point = True hit_split_point = True
if before: if before:
nix_element(elem) nix_element(elem)
else:
# We want to keep the descendants of the split point in
# Tree 1
keep_descendants = True
continue continue
if hit_split_point: if hit_split_point:
if keep_descendants:
if elem in split_point_descendants:
# elem is a descendant keep it
continue
else:
# We are out of split_point, so prevent further set
# lookups of split_point_descendants
keep_descendants = False
nix_element(elem) nix_element(elem)
# Tree 2 # Tree 2
hit_split_point = False for elem in tuple(body2.iterdescendants()):
for elem in list(body2.iterdescendants()):
if elem is split_point2: if elem is split_point2:
hit_split_point = True
if not before: if not before:
nix_element(elem)
break
nix_element(elem, top=False) nix_element(elem, top=False)
continue
if not hit_split_point:
nix_element(elem, top=False)
body2.text = '\n' body2.text = '\n'
return tree, tree2 return tree, tree2