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Use the real constants module.

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This is progressing refactor of the calibre code to make it more
readable, and transform it to something more coherent.

In this patch, there are changes regarding imports for some modules,
instead of polluting namespace of each module with some other modules
symbols, which often were imported from other modules. Yuck.
This commit is contained in:
gryf
2020-05-29 17:04:53 +02:00
parent ee4801228f
commit ce89f5c9d1
54 changed files with 2383 additions and 2081 deletions
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ebook_converter/ebooks/oeb/transforms/htmltoc.py
+29 -54
View File
@@ -1,46 +1,20 @@
"""
HTML-TOC-adding transform.
"""
from ebook_converter.ebooks.oeb.base import XML, XHTML, XHTML_NS
from ebook_converter.ebooks.oeb.base import XHTML_MIME, CSS_MIME
from ebook_converter.ebooks.oeb.base import element, XPath
from ebook_converter import constants as const
from ebook_converter.ebooks.oeb import base
__all__ = ['HTMLTOCAdder']
__license__ = 'GPL v3'
__copyright__ = '2008, Marshall T. Vandegrift <llasram@gmail.com>'
DEFAULT_TITLE = 'Table of Contents'
STYLE_CSS = {'nested': '.calibre_toc_header {\n text-align: center;\n}\n'
'.calibre_toc_block {\n margin-left: 1.2em;\n text-indent: '
'-1.2em;\n}\n.calibre_toc_block .calibre_toc_block {\n '
'margin-left: 2.4em;\n}\n.calibre_toc_block .calibre_toc_block '
'.calibre_toc_block {\n margin-left: 3.6em;\n}\n',
STYLE_CSS = {
'nested': """
.calibre_toc_header {
text-align: center;
}
.calibre_toc_block {
margin-left: 1.2em;
text-indent: -1.2em;
}
.calibre_toc_block .calibre_toc_block {
margin-left: 2.4em;
}
.calibre_toc_block .calibre_toc_block .calibre_toc_block {
margin-left: 3.6em;
}
""",
'centered': """
.calibre_toc_header {
text-align: center;
}
.calibre_toc_block {
text-align: center;
}
body > .calibre_toc_block {
margin-top: 1.2em;
}
"""
}
'centered': '.calibre_toc_header {\n text-align: center;\n}\n'
'.calibre_toc_block {\n text-align: center;\n}\nbody > '
'.calibre_toc_block {\n margin-top: 1.2em;\n}\n'}
class HTMLTOCAdder(object):
@@ -71,7 +45,7 @@ class HTMLTOCAdder(object):
if href in oeb.manifest.hrefs:
item = oeb.manifest.hrefs[href]
if (hasattr(item.data, 'xpath') and
XPath('//h:a[@href]')(item.data)):
base.XPath('//h:a[@href]')(item.data)):
if oeb.spine.index(item) < 0:
if self.position == 'end':
oeb.spine.add(item, linear=False)
@@ -91,23 +65,24 @@ class HTMLTOCAdder(object):
oeb.logger.error('Unknown TOC style %r' % style)
style = 'nested'
id, css_href = oeb.manifest.generate('tocstyle', 'tocstyle.css')
oeb.manifest.add(id, css_href, CSS_MIME, data=STYLE_CSS[style])
oeb.manifest.add(id, css_href, base.CSS_MIME, data=STYLE_CSS[style])
language = str(oeb.metadata.language[0])
contents = element(None, XHTML('html'), nsmap={None: XHTML_NS},
attrib={XML('lang'): language})
head = element(contents, XHTML('head'))
htitle = element(head, XHTML('title'))
contents = base.element(None, base.tag('xhtml', 'html'),
nsmap={None: const.XHTML_NS},
attrib={base.tag('xml', 'lang'): language})
head = base.element(contents, base.tag('xhtml', 'head'))
htitle = base.element(head, base.tag('xhtml', 'title'))
htitle.text = title
element(head, XHTML('link'), rel='stylesheet', type=CSS_MIME,
href=css_href)
body = element(contents, XHTML('body'),
attrib={'class': 'calibre_toc'})
h1 = element(body, XHTML('h2'),
attrib={'class': 'calibre_toc_header'})
base.element(head, base.tag('xhtml', 'link'), rel='stylesheet',
type=base.CSS_MIME, href=css_href)
body = base.element(contents, base.tag('xhtml', 'body'),
attrib={'class': 'calibre_toc'})
h1 = base.element(body, base.tag('xhtml', 'h2'),
attrib={'class': 'calibre_toc_header'})
h1.text = title
self.add_toc_level(body, oeb.toc)
id, href = oeb.manifest.generate('contents', 'contents.xhtml')
item = oeb.manifest.add(id, href, XHTML_MIME, data=contents)
item = oeb.manifest.add(id, href, base.XHTML_MIME, data=contents)
if self.position == 'end':
oeb.spine.add(item, linear=False)
else:
@@ -116,10 +91,10 @@ class HTMLTOCAdder(object):
def add_toc_level(self, elem, toc):
for node in toc:
block = element(elem, XHTML('div'),
attrib={'class': 'calibre_toc_block'})
line = element(block, XHTML('a'),
attrib={'href': node.href,
'class': 'calibre_toc_line'})
block = base.element(elem, base.tag('xhtml', 'div'),
attrib={'class': 'calibre_toc_block'})
line = base.element(block, base.tag('xhtml', 'a'),
attrib={'href': node.href,
'class': 'calibre_toc_line'})
line.text = node.title
self.add_toc_level(block, node)