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Viewer: Fix CBC comic files not being viewed correctly. Fixes #1886307 [ebook-viewer not open .cbc](https://bugs.launchpad.net/calibre/+bug/1886307)

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Viewer: Fix Table of Contents not correct for comics.

Note that for both these fixes, you will have to reload the book from
the viewer controls.
This commit is contained in:
Kovid Goyal 2020-07-05 21:07:08 +05:30
parent 300935541f
commit 78c53c9da9
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 32 additions and 14 deletions
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46
src/calibre/ebooks/conversion/plugins/comic_input.py
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@ -176,6 +176,7 @@ class ComicInput(InputFormatPlugin):
comics_ = [['Comic', os.path.abspath(stream.name)]]
stream.close()
comics = []
num_pages_per_comic = []
for i, x in enumerate(comics_):
title, fname = x
cdir = 'comic_%d'%(i+1) if len(comics_) > 1 else '.'
@ -185,8 +186,9 @@ class ComicInput(InputFormatPlugin):
pages = self.get_pages(fname, cdir)
if not pages:
continue
num_pages_per_comic.append(len(pages))
if self.for_viewer:
comics.append((title, pages, [self.create_viewer_wrapper(pages)]))
comics.append((title, pages, [self.create_viewer_wrapper(pages, cdir)]))
else:
wrappers = self.create_wrappers(pages)
comics.append((title, pages, wrappers))
@ -220,25 +222,41 @@ class ComicInput(InputFormatPlugin):
self._images.extend(comic[1])
opf.create_spine(spine)
if self.for_viewer and cover_href:
if os.path.isabs(cover_href):
cover_href = os.path.relpath(cover_href).replace(os.sep, '/')
opf.guide.set_cover(cover_href)
toc = TOC()
if len(comics) == 1:
wrappers = comics[0][2]
for i, x in enumerate(wrappers):
toc.add_item(href(x), None, _('Page')+' %d'%(i+1),
play_order=i)
if self.for_viewer:
wrapper_page_href = href(wrappers[0])
for i in range(num_pages_per_comic[0]):
toc.add_item('{}#page_{}'.format(wrapper_page_href, i+1), None,
_('Page')+' %d'%(i+1), play_order=i)
else:
for i, x in enumerate(wrappers):
toc.add_item(href(x), None, _('Page')+' %d'%(i+1),
play_order=i)
else:
po = 0
for comic in comics:
for num_pages, comic in zip(num_pages_per_comic, comics):
po += 1
wrappers = comic[2]
stoc = toc.add_item(href(wrappers[0]),
None, comic[0], play_order=po)
if not opts.dont_add_comic_pages_to_toc:
for i, x in enumerate(wrappers):
stoc.add_item(href(x), None,
_('Page')+' %d'%(i+1), play_order=po)
po += 1
if self.for_viewer:
wrapper_page_href = href(wrappers[0])
for i in range(num_pages):
stoc.add_item('{}#page_{}'.format(wrapper_page_href, i+1), None,
_('Page')+' %d'%(i+1), play_order=po)
po += 1
else:
for i, x in enumerate(wrappers):
stoc.add_item(href(x), None,
_('Page')+' %d'%(i+1), play_order=po)
po += 1
opf.set_toc(toc)
with open('metadata.opf', 'wb') as m, open('toc.ncx', 'wb') as n:
opf.render(m, n, 'toc.ncx')
@ -274,13 +292,13 @@ class ComicInput(InputFormatPlugin):
wrappers.append(page)
return wrappers
def create_viewer_wrapper(self, pages):
def create_viewer_wrapper(self, pages, cdir):
from calibre.ebooks.oeb.base import XHTML_NS
def page(src):
return '<img src="{}"></img>'.format(os.path.basename(src))
def page(pnum, src):
return '<img id="page_{}" src="{}"></img>'.format(pnum + 1, os.path.basename(src))
pages = '\n'.join(map(page, pages))
pages = '\n'.join(page(i, src) for i, src in enumerate(pages))
base = os.path.dirname(pages[0])
wrapper = '''
<html xmlns="%s">
@ -304,7 +322,7 @@ class ComicInput(InputFormatPlugin):
</body>
</html>
''' % (XHTML_NS, pages)
path = os.path.join(base, 'wrapper.xhtml')
path = os.path.join(base, cdir, 'wrapper.xhtml')
with open(path, 'wb') as f:
f.write(wrapper.encode('utf-8'))
return path