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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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54
ebook_converter/ebooks/metadata/opf2.py
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@@ -12,20 +12,20 @@ import re, sys, unittest, functools, os, uuid, glob, io, json, copy
from lxml import etree
from calibre.ebooks import escape_xpath_attr
from calibre.constants import __appname__, __version__, filesystem_encoding, ispy3
from calibre.ebooks.metadata.toc import TOC
from calibre.ebooks.metadata.utils import parse_opf, pretty_print_opf as _pretty_print
from calibre.ebooks.metadata import string_to_authors, MetaInformation, check_isbn
from calibre.ebooks.metadata.book.base import Metadata
from calibre.utils.date import parse_date, isoformat
from calibre.utils.localization import get_lang, canonicalize_lang
from calibre import prints, guess_type
from calibre.utils.cleantext import clean_ascii_chars, clean_xml_chars
from calibre.utils.config import tweaks
from calibre.utils.xml_parse import safe_xml_fromstring
from polyglot.builtins import iteritems, unicode_type, getcwd, map
from polyglot.urllib import unquote, urlparse
from ebook_converter.ebooks import escape_xpath_attr
from ebook_converter.constants import __appname__, __version__, filesystem_encoding, ispy3
from ebook_converter.ebooks.metadata.toc import TOC
from ebook_converter.ebooks.metadata.utils import parse_opf, pretty_print_opf as _pretty_print
from ebook_converter.ebooks.metadata import string_to_authors, MetaInformation, check_isbn
from ebook_converter.ebooks.metadata.book.base import Metadata
from ebook_converter.utils.date import parse_date, isoformat
from ebook_converter.utils.localization import get_lang, canonicalize_lang
from ebook_converter import prints, guess_type
from ebook_converter.utils.cleantext import clean_ascii_chars, clean_xml_chars
from ebook_converter.utils.config import tweaks
from ebook_converter.utils.xml_parse import safe_xml_fromstring
from ebook_converter.polyglot.builtins import iteritems, unicode_type, getcwd, map
from ebook_converter.polyglot.urllib import unquote, urlparse
pretty_print_opf = False
@@ -487,8 +487,8 @@ class TitleSortField(MetadataField):
def serialize_user_metadata(metadata_elem, all_user_metadata, tail='\n'+(' '*8)):
from calibre.utils.config import to_json
from calibre.ebooks.metadata.book.json_codec import (object_to_unicode,
from ebook_converter.utils.config import to_json
from ebook_converter.ebooks.metadata.book.json_codec import (object_to_unicode,
encode_is_multiple)
for name, fm in all_user_metadata.items():
@@ -512,7 +512,7 @@ def serialize_user_metadata(metadata_elem, all_user_metadata, tail='\n'+(' '*8))
def dump_dict(cats):
if not cats:
cats = {}
from calibre.ebooks.metadata.book.json_codec import object_to_unicode
from ebook_converter.ebooks.metadata.book.json_codec import object_to_unicode
return json.dumps(object_to_unicode(cats), ensure_ascii=False,
skipkeys=True)
@@ -620,8 +620,8 @@ class OPF(object): # {{{
def read_user_metadata(self):
self._user_metadata_ = {}
temp = Metadata('x', ['x'])
from calibre.utils.config import from_json
from calibre.ebooks.metadata.book.json_codec import decode_is_multiple
from ebook_converter.utils.config import from_json
from ebook_converter.ebooks.metadata.book.json_codec import decode_is_multiple
elems = self.root.xpath('//*[name() = "meta" and starts-with(@name,'
'"calibre:user_metadata:") and @content]')
for elem in elems:
@@ -643,7 +643,7 @@ class OPF(object): # {{{
def to_book_metadata(self):
if self.package_version >= 3.0:
from calibre.ebooks.metadata.opf3 import read_metadata
from ebook_converter.ebooks.metadata.opf3 import read_metadata
return read_metadata(self.root)
ans = MetaInformation(self)
for n, v in self._user_metadata_.items():
@@ -964,7 +964,7 @@ class OPF(object): # {{{
found_scheme = False
for attr, val in iteritems(x.attrib):
if attr.endswith('scheme'):
typ = icu_lower(val)
typ = val.lower()
val = etree.tostring(x, with_tail=False, encoding='unicode',
method='text').strip()
if val and typ not in ('calibre', 'uuid'):
@@ -1447,7 +1447,7 @@ class OPFCreator(Metadata):
# Actual rendering
from lxml.builder import ElementMaker
from calibre.ebooks.oeb.base import OPF2_NS, DC11_NS, CALIBRE_NS
from ebook_converter.ebooks.oeb.base import OPF2_NS, DC11_NS, CALIBRE_NS
DNS = OPF2_NS+'___xx___'
E = ElementMaker(namespace=DNS, nsmap={None:DNS})
M = ElementMaker(namespace=DNS,
@@ -1494,7 +1494,7 @@ class OPFCreator(Metadata):
if self.publisher:
a(DC_ELEM('publisher', self.publisher))
for key, val in iteritems(self.get_identifiers()):
a(DC_ELEM('identifier', val, opf_attrs={'scheme':icu_upper(key)}))
a(DC_ELEM('identifier', val, opf_attrs={'scheme':key.upper()}))
if self.rights:
a(DC_ELEM('rights', self.rights))
if self.tags:
@@ -1513,7 +1513,7 @@ class OPFCreator(Metadata):
if self.publication_type is not None:
a(CAL_ELEM('calibre:publication_type', self.publication_type))
if self.user_categories:
from calibre.ebooks.metadata.book.json_codec import object_to_unicode
from ebook_converter.ebooks.metadata.book.json_codec import object_to_unicode
a(CAL_ELEM('calibre:user_categories',
json.dumps(object_to_unicode(self.user_categories))))
if self.primary_writing_mode:
@@ -1572,7 +1572,7 @@ class OPFCreator(Metadata):
def metadata_to_opf(mi, as_string=True, default_lang=None):
from lxml import etree
import textwrap
from calibre.ebooks.oeb.base import OPF, DC
from ebook_converter.ebooks.oeb.base import OPF, DC
if not mi.application_id:
mi.application_id = unicode_type(uuid.uuid4())
@@ -1641,7 +1641,7 @@ def metadata_to_opf(mi, as_string=True, default_lang=None):
if mi.publisher:
factory(DC('publisher'), mi.publisher)
for key, val in iteritems(mi.get_identifiers()):
factory(DC('identifier'), val, scheme=icu_upper(key))
factory(DC('identifier'), val, scheme=key.upper())
if mi.rights:
factory(DC('rights'), mi.rights)
for lang in mi.languages:
@@ -1689,7 +1689,7 @@ def metadata_to_opf(mi, as_string=True, default_lang=None):
def test_m2o():
from calibre.utils.date import now as nowf
from ebook_converter.utils.date import now as nowf
mi = MetaInformation('test & title', ['a"1', "a'2"])
mi.title_sort = 'a\'"b'
mi.author_sort = 'author sort'