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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/conversion/plugins/lrf_input.py
+26 -30
View File
@@ -1,54 +1,52 @@
import os, sys
import os
import sys
import pkg_resources
from lxml import etree
from ebook_converter.customize.conversion import InputFormatPlugin
__license__ = 'GPL v3'
__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
class LRFInput(InputFormatPlugin):
name = 'LRF Input'
author = 'Kovid Goyal'
name = 'LRF Input'
author = 'Kovid Goyal'
description = 'Convert LRF files to HTML'
file_types = {'lrf'}
file_types = {'lrf'}
commit_name = 'lrf_input'
def convert(self, stream, options, file_ext, log,
accelerators):
from ebook_converter.ebooks.lrf.input import (MediaType, Styles, TextBlock,
Canvas, ImageBlock, RuledLine)
from ebook_converter.ebooks.lrf.input import MediaType, Styles, \
TextBlock, Canvas, ImageBlock, RuledLine
self.log = log
self.log('Generating XML')
from ebook_converter.ebooks.lrf.lrfparser import LRFDocument
from ebook_converter.utils.xml_parse import safe_xml_fromstring
from lxml import etree
d = LRFDocument(stream)
d.parse()
xml = d.to_xml(write_files=True)
if options.verbose > 2:
open(u'lrs.xml', 'wb').write(xml.encode('utf-8'))
doc = safe_xml_fromstring(xml)
doc = etree.fromstring(xml)
char_button_map = {}
for x in doc.xpath('//CharButton[@refobj]'):
ro = x.get('refobj')
jump_button = doc.xpath('//*[@objid="%s"]'%ro)
jump_button = doc.xpath('//*[@objid="%s"]' % ro)
if jump_button:
jump_to = jump_button[0].xpath('descendant::JumpTo[@refpage and @refobj]')
jump_to = jump_button[0].xpath('descendant::JumpTo[@refpage '
'and @refobj]')
if jump_to:
char_button_map[ro] = '%s.xhtml#%s'%(jump_to[0].get('refpage'),
jump_to[0].get('refobj'))
char_button_map[ro] = ('%s.xhtml#%s' %
(jump_to[0].get('refpage'),
jump_to[0].get('refobj')))
plot_map = {}
for x in doc.xpath('//Plot[@refobj]'):
ro = x.get('refobj')
image = doc.xpath('//Image[@objid="%s" and @refstream]'%ro)
image = doc.xpath('//Image[@objid="%s" and @refstream]' % ro)
if image:
imgstr = doc.xpath('//ImageStream[@objid="%s" and @file]'%
image[0].get('refstream'))
imgstr = doc.xpath('//ImageStream[@objid="%s" and @file]' %
image[0].get('refstream'))
if imgstr:
plot_map[ro] = imgstr[0].get('file')
@@ -58,21 +56,19 @@ class LRFInput(InputFormatPlugin):
resource_filename('ebook_converter',
'data/lrf.xsl')) as fobj:
# TODO(gryf): change this nonsense to etree.parse() instead.
styledoc = safe_xml_fromstring(fobj.read())
styledoc = etree.fromstring(fobj.read())
media_type = MediaType()
styles = Styles()
text_block = TextBlock(styles, char_button_map, plot_map, log)
canvas = Canvas(doc, styles, text_block, log)
image_block = ImageBlock(canvas)
ruled_line = RuledLine()
extensions = {
('calibre', 'media-type') : media_type,
('calibre', 'text-block') : text_block,
('calibre', 'ruled-line') : ruled_line,
('calibre', 'styles') : styles,
('calibre', 'canvas') : canvas,
('calibre', 'image-block'): image_block,
}
extensions = {('calibre', 'media-type'): media_type,
('calibre', 'text-block'): text_block,
('calibre', 'ruled-line'): ruled_line,
('calibre', 'styles'): styles,
('calibre', 'canvas'): canvas,
('calibre', 'image-block'): image_block}
transform = etree.XSLT(styledoc, extensions=extensions)
try:
result = transform(doc)