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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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47
ebook_converter/ebooks/metadata/book/base.py
View File

@@ -8,14 +8,14 @@ __docformat__ = 'restructuredtext en'
import copy, traceback
from calibre import prints
from calibre.constants import DEBUG, ispy3
from calibre.ebooks.metadata.book import (SC_COPYABLE_FIELDS,
from ebook_converter import prints
from ebook_converter.constants import DEBUG, ispy3
from ebook_converter.ebooks.metadata.book import (SC_COPYABLE_FIELDS,
SC_FIELDS_COPY_NOT_NULL, STANDARD_METADATA_FIELDS,
TOP_LEVEL_IDENTIFIERS, ALL_METADATA_FIELDS)
from calibre.library.field_metadata import FieldMetadata
from calibre.utils.icu import sort_key
from polyglot.builtins import iteritems, unicode_type, filter, map
from ebook_converter.library.field_metadata import FieldMetadata
from ebook_converter.utils.icu import sort_key
from ebook_converter.polyglot.builtins import iteritems, unicode_type, filter, map
# Special sets used to optimize the performance of getting and setting
# attributes on Metadata objects
@@ -52,7 +52,7 @@ def reset_field_metadata():
field_metadata = FieldMetadata()
ck = lambda typ: icu_lower(typ).strip().replace(':', '').replace(',', '')
ck = lambda typ: typ.lower().strip().replace(':', '').replace(',', '')
cv = lambda val: val.strip().replace(',', '|')
@@ -97,7 +97,7 @@ class Metadata(object):
# List of strings or []
self.author = list(authors) if authors else [] # Needed for backward compatibility
self.authors = list(authors) if authors else []
from calibre.ebooks.metadata.book.formatter import SafeFormat
from ebook_converter.ebooks.metadata.book.formatter import SafeFormat
self.formatter = SafeFormat() if formatter is None else formatter
self.template_cache = template_cache
@@ -441,7 +441,7 @@ class Metadata(object):
'''
if not ops:
return
from calibre.ebooks.metadata.book.formatter import SafeFormat
from ebook_converter.ebooks.metadata.book.formatter import SafeFormat
formatter = SafeFormat()
for op in ops:
try:
@@ -584,14 +584,15 @@ class Metadata(object):
for attr in TOP_LEVEL_IDENTIFIERS:
copy_not_none(self, other, attr)
other_lang = getattr(other, 'languages', [])
if other_lang and other_lang != ['und']:
self.languages = list(other_lang)
# other_lang = getattr(other, 'languages', [])
# if other_lang and other_lang != ['und']:
# self.languages = list(other_lang)
self.languages = []
if not getattr(self, 'series', None):
self.series_index = None
def format_series_index(self, val=None):
from calibre.ebooks.metadata import fmt_sidx
from ebook_converter.ebooks.metadata import fmt_sidx
v = self.series_index if val is None else val
try:
x = float(v)
@@ -600,11 +601,11 @@ class Metadata(object):
return fmt_sidx(x)
def authors_from_string(self, raw):
from calibre.ebooks.metadata import string_to_authors
from ebook_converter.ebooks.metadata import string_to_authors
self.authors = string_to_authors(raw)
def format_authors(self):
from calibre.ebooks.metadata import authors_to_string
from ebook_converter.ebooks.metadata import authors_to_string
return authors_to_string(self.authors)
def format_tags(self):
@@ -625,12 +626,12 @@ class Metadata(object):
return (name, val)
def format_field_extended(self, key, series_with_index=True):
from calibre.ebooks.metadata import authors_to_string
from ebook_converter.ebooks.metadata import authors_to_string
'''
returns the tuple (display_name, formatted_value, original_value,
field_metadata)
'''
from calibre.utils.date import format_date
from ebook_converter.utils.date import format_date
# Handle custom series index
if key.startswith('#') and key.endswith('_index'):
@@ -715,8 +716,8 @@ class Metadata(object):
A string representation of this object, suitable for printing to
console
'''
from calibre.utils.date import isoformat
from calibre.ebooks.metadata import authors_to_string
from ebook_converter.utils.date import isoformat
from ebook_converter.ebooks.metadata import authors_to_string
ans = []
def fmt(x, y):
@@ -765,8 +766,8 @@ class Metadata(object):
'''
A HTML representation of this object.
'''
from calibre.ebooks.metadata import authors_to_string
from calibre.utils.date import isoformat
from ebook_converter.ebooks.metadata import authors_to_string
from ebook_converter.utils.date import isoformat
ans = [(_('Title'), unicode_type(self.title))]
ans += [(_('Author(s)'), (authors_to_string(self.authors) if self.authors else _('Unknown')))]
ans += [(_('Publisher'), unicode_type(self.publisher))]
@@ -817,7 +818,7 @@ def field_from_string(field, raw, field_metadata):
elif dt == 'rating':
val = float(raw) * 2
elif dt == 'datetime':
from calibre.utils.date import parse_only_date
from ebook_converter.utils.date import parse_only_date
val = parse_only_date(raw)
elif dt == 'bool':
if raw.lower() in {'true', 'yes', 'y'}:
@@ -833,7 +834,7 @@ def field_from_string(field, raw, field_metadata):
if field == 'identifiers':
val = {x.partition(':')[0]:x.partition(':')[-1] for x in val}
elif field == 'languages':
from calibre.utils.localization import canonicalize_lang
from ebook_converter.utils.localization import canonicalize_lang
val = [canonicalize_lang(x) for x in val]
val = [x for x in val if x]
if val is object:

6
ebook_converter/ebooks/metadata/book/formatter.py
View File

@@ -5,9 +5,9 @@ from __future__ import absolute_import, division, print_function, unicode_litera
__license__ = 'GPL v3'
__copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
from calibre.ebooks.metadata.book import TOP_LEVEL_IDENTIFIERS, ALL_METADATA_FIELDS
from ebook_converter.ebooks.metadata.book import TOP_LEVEL_IDENTIFIERS, ALL_METADATA_FIELDS
from calibre.utils.formatter import TemplateFormatter
from ebook_converter.utils.formatter import TemplateFormatter
class SafeFormat(TemplateFormatter):
@@ -21,7 +21,7 @@ class SafeFormat(TemplateFormatter):
key = orig_key = orig_key.lower()
if (key != 'title_sort' and key not in TOP_LEVEL_IDENTIFIERS and
key not in ALL_METADATA_FIELDS):
from calibre.ebooks.metadata.book.base import field_metadata
from ebook_converter.ebooks.metadata.book.base import field_metadata
key = field_metadata.search_term_to_field_key(key)
if key is None or (self.book and
key not in self.book.all_field_keys()):

18
ebook_converter/ebooks/metadata/book/json_codec.py
View File

@@ -9,19 +9,19 @@ Created on 4 Jun 2010
import json, traceback
from datetime import datetime, time
from calibre.ebooks.metadata.book import SERIALIZABLE_FIELDS
from calibre.constants import filesystem_encoding, preferred_encoding
from calibre.library.field_metadata import FieldMetadata
from calibre import isbytestring
from polyglot.builtins import iteritems, itervalues, as_bytes
from polyglot.binary import as_base64_unicode, from_base64_bytes
from ebook_converter.ebooks.metadata.book import SERIALIZABLE_FIELDS
from ebook_converter.constants import filesystem_encoding, preferred_encoding
from ebook_converter.library.field_metadata import FieldMetadata
from ebook_converter import isbytestring
from ebook_converter.polyglot.builtins import iteritems, itervalues, as_bytes
from ebook_converter.polyglot.binary import as_base64_unicode, from_base64_bytes
# Translate datetimes to and from strings. The string form is the datetime in
# UTC. The returned date is also UTC
def string_to_datetime(src):
from calibre.utils.iso8601 import parse_iso8601
from ebook_converter.utils.iso8601 import parse_iso8601
if src != "None":
try:
return parse_iso8601(src)
@@ -31,7 +31,7 @@ def string_to_datetime(src):
def datetime_to_string(dateval):
from calibre.utils.date import isoformat, UNDEFINED_DATE, local_tz
from ebook_converter.utils.date import isoformat, UNDEFINED_DATE, local_tz
if dateval is None:
return "None"
if not isinstance(dateval, datetime):
@@ -47,7 +47,7 @@ def encode_thumbnail(thumbnail):
'''
Encode the image part of a thumbnail, then return the 3 part tuple
'''
from calibre.utils.imghdr import identify
from ebook_converter.utils.imghdr import identify
if thumbnail is None:
return None
if not isinstance(thumbnail, (tuple, list)):