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Convert calibre modules to ebook_converter.

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Here is the first batch of modules, which are needed for converting
several formats to LRF. Some of the logic has been change, more cleanups
will follow.
This commit is contained in:
gryf
2020-04-11 19:33:43 +02:00
parent 69d2e536c5
commit 0f9792df36
252 changed files with 1925 additions and 2344 deletions
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28
ebook_converter/ebooks/oeb/transforms/flatcss.py
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@@ -14,14 +14,14 @@ from lxml import etree
import css_parser
from css_parser.css import Property
from calibre import guess_type
from calibre.ebooks import unit_convert
from calibre.ebooks.oeb.base import (XHTML, XHTML_NS, CSS_MIME, OEB_STYLES,
from ebook_converter import guess_type
from ebook_converter.ebooks import unit_convert
from ebook_converter.ebooks.oeb.base import (XHTML, XHTML_NS, CSS_MIME, OEB_STYLES,
namespace, barename, XPath, css_text)
from calibre.ebooks.oeb.stylizer import Stylizer
from calibre.utils.filenames import ascii_filename, ascii_text
from calibre.utils.icu import numeric_sort_key
from polyglot.builtins import iteritems, unicode_type, string_or_bytes, map
from ebook_converter.ebooks.oeb.stylizer import Stylizer
from ebook_converter.utils.filenames import ascii_filename, ascii_text
from ebook_converter.utils.icu import numeric_sort_key
from ebook_converter.polyglot.builtins import iteritems, unicode_type, string_or_bytes, map
COLLAPSE = re.compile(r'[ \t\r\n\v]+')
STRIPNUM = re.compile(r'[-0-9]+$')
@@ -139,7 +139,7 @@ class CSSFlattener(object):
self.fbase = fbase
self.transform_css_rules = transform_css_rules
if self.transform_css_rules:
from calibre.ebooks.css_transform_rules import compile_rules
from ebook_converter.ebooks.css_transform_rules import compile_rules
self.transform_css_rules = compile_rules(self.transform_css_rules)
self.fkey = fkey
self.lineh = lineh
@@ -180,7 +180,7 @@ class CSSFlattener(object):
except:
self.oeb.log.warning('Failed to parse filter_css, ignoring')
else:
from calibre.ebooks.oeb.normalize_css import normalize_filter_css
from ebook_converter.ebooks.oeb.normalize_css import normalize_filter_css
self.filter_css = frozenset(normalize_filter_css(self.filter_css))
self.oeb.log.debug('Filtering CSS properties: %s'%
', '.join(self.filter_css))
@@ -223,8 +223,8 @@ class CSSFlattener(object):
body_font_family = None
if not family:
return body_font_family, efi
from calibre.utils.fonts.scanner import font_scanner, NoFonts
from calibre.utils.fonts.utils import panose_to_css_generic_family
from ebook_converter.utils.fonts.scanner import font_scanner, NoFonts
from ebook_converter.utils.fonts.utils import panose_to_css_generic_family
try:
faces = font_scanner.fonts_for_family(family)
except NoFonts:
@@ -610,7 +610,7 @@ class CSSFlattener(object):
id, href = manifest.generate('css', 'stylesheet.css')
sheet = css_parser.parseString(css, validate=False)
if self.transform_css_rules:
from calibre.ebooks.css_transform_rules import transform_sheet
from ebook_converter.ebooks.css_transform_rules import transform_sheet
transform_sheet(self.transform_css_rules, sheet)
item = manifest.add(id, href, CSS_MIME, data=sheet)
self.oeb.manifest.main_stylesheet = item
@@ -642,7 +642,7 @@ class CSSFlattener(object):
id_, href = manifest.generate('page_css', 'page_styles.css')
sheet = css_parser.parseString(css, validate=False)
if self.transform_css_rules:
from calibre.ebooks.css_transform_rules import transform_sheet
from ebook_converter.ebooks.css_transform_rules import transform_sheet
transform_sheet(self.transform_css_rules, sheet)
manifest.add(id_, href, CSS_MIME, data=sheet)
gc_map[css] = href
@@ -664,7 +664,7 @@ class CSSFlattener(object):
fsize = self.context.dest.fbase
self.flatten_node(html, stylizer, names, styles, pseudo_styles, fsize, item.id, recurse=False)
self.flatten_node(html.find(XHTML('body')), stylizer, names, styles, pseudo_styles, fsize, item.id)
items = sorted(((key, val) for (val, key) in iteritems(styles)), key=lambda x:numeric_sort_key(x[0]))
items = sorted(((key, val) for (val, key) in iteritems(styles)))
# :hover must come after link and :active must come after :hover
psels = sorted(pseudo_styles, key=lambda x :
{'hover':1, 'active':2}.get(x, 0))