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HTMLZ Output: Fix svg content from HTML files that contain only SVG being removed. Fixes #1839522 [all images wrapped in <svg> element are lost in htmlz output](https://bugs.launchpad.net/calibre/+bug/1839522)

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Kovid Goyal 2019-08-09 15:57:18 +05:30
parent ab708af9da
commit c1663d3cc8
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1 changed files with 7 additions and 7 deletions
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14
src/calibre/ebooks/htmlz/oeb2html.py
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@ -18,7 +18,7 @@ from lxml import html
from calibre import prepare_string_for_xml from calibre import prepare_string_for_xml
from calibre.ebooks.oeb.base import ( from calibre.ebooks.oeb.base import (
XHTML, XHTML_NS, barename, namespace, OEB_IMAGES, XLINK, rewrite_links, urlnormalize) XHTML, XHTML_NS, SVG_NS, barename, namespace, OEB_IMAGES, XLINK, rewrite_links, urlnormalize)
from calibre.ebooks.oeb.stylizer import Stylizer from calibre.ebooks.oeb.stylizer import Stylizer
from calibre.utils.logging import default_log from calibre.utils.logging import default_log
from polyglot.builtins import unicode_type, string_or_bytes, as_bytes from polyglot.builtins import unicode_type, string_or_bytes, as_bytes
@ -160,9 +160,9 @@ class OEB2HTMLNoCSSizer(OEB2HTML):
# We can only processes tags. If there isn't a tag return any text. # We can only processes tags. If there isn't a tag return any text.
if not isinstance(elem.tag, string_or_bytes) \ if not isinstance(elem.tag, string_or_bytes) \
or namespace(elem.tag) != XHTML_NS: or namespace(elem.tag) not in (XHTML_NS, SVG_NS):
p = elem.getparent() p = elem.getparent()
if p is not None and isinstance(p.tag, string_or_bytes) and namespace(p.tag) == XHTML_NS \ if p is not None and isinstance(p.tag, string_or_bytes) and namespace(p.tag) in (XHTML_NS, SVG_NS) \
and elem.tail: and elem.tail:
return [elem.tail] return [elem.tail]
return [''] return ['']
@ -249,9 +249,9 @@ class OEB2HTMLInlineCSSizer(OEB2HTML):
# We can only processes tags. If there isn't a tag return any text. # We can only processes tags. If there isn't a tag return any text.
if not isinstance(elem.tag, string_or_bytes) \ if not isinstance(elem.tag, string_or_bytes) \
or namespace(elem.tag) != XHTML_NS: or namespace(elem.tag) not in (XHTML_NS, SVG_NS):
p = elem.getparent() p = elem.getparent()
if p is not None and isinstance(p.tag, string_or_bytes) and namespace(p.tag) == XHTML_NS \ if p is not None and isinstance(p.tag, string_or_bytes) and namespace(p.tag) in (XHTML_NS, SVG_NS) \
and elem.tail: and elem.tail:
return [elem.tail] return [elem.tail]
return [''] return ['']
@ -352,9 +352,9 @@ class OEB2HTMLClassCSSizer(OEB2HTML):
# We can only processes tags. If there isn't a tag return any text. # We can only processes tags. If there isn't a tag return any text.
if not isinstance(elem.tag, string_or_bytes) \ if not isinstance(elem.tag, string_or_bytes) \
or namespace(elem.tag) != XHTML_NS: or namespace(elem.tag) not in (XHTML_NS, SVG_NS):
p = elem.getparent() p = elem.getparent()
if p is not None and isinstance(p.tag, string_or_bytes) and namespace(p.tag) == XHTML_NS \ if p is not None and isinstance(p.tag, string_or_bytes) and namespace(p.tag) in (XHTML_NS, SVG_NS) \
and elem.tail: and elem.tail:
return [elem.tail] return [elem.tail]
return [''] return ['']