def convert_images(self, pages, opts, wide):
from calibre.ebooks.lrf.pylrs.pylrs import Book, BookSetting, ImageStream, ImageBlock
from uuid import uuid4
from calibre.constants import __appname__, __version__
width, height = (784, 1012) if wide else (584, 754)
ps = {}
ps['topmargin'] = 0
ps['evensidemargin'] = 0
ps['oddsidemargin'] = 0
ps['textwidth'] = width
ps['textheight'] = height
book = Book(title=opts.title, author=opts.author,
bookid=uuid4().hex,
publisher='%s %s'%(__appname__, __version__),
category=_('Comic'), pagestyledefault=ps,
booksetting=BookSetting(screenwidth=width, screenheight=height))
for page in pages:
imageStream = ImageStream(page)
_page = book.create_page()
_page.append(ImageBlock(refstream=imageStream,
blockwidth=width, blockheight=height, xsize=width,
ysize=height, x1=width, y1=height))
book.append(_page)
book.renderLrf(open(opts.output, 'wb'))
def convert_images(self, pages, opts, wide):
from calibre.ebooks.lrf.pylrs.pylrs import Book, BookSetting, ImageStream, ImageBlock
from uuid import uuid4
from calibre.constants import __appname__, __version__
width, height = (784, 1012) if wide else (584, 754)
ps = {}
ps['topmargin'] = 0
ps['evensidemargin'] = 0
ps['oddsidemargin'] = 0
ps['textwidth'] = width
ps['textheight'] = height
book = Book(title=opts.title,
author=opts.author,
bookid=uuid4().hex,
publisher='%s %s' % (__appname__, __version__),
category=_('Comic'),
pagestyledefault=ps,
booksetting=BookSetting(screenwidth=width,
screenheight=height))
for page in pages:
imageStream = ImageStream(page)
_page = book.create_page()
_page.append(
ImageBlock(refstream=imageStream,
blockwidth=width,
blockheight=height,
xsize=width,
ysize=height,
x1=width,
y1=height))
book.append(_page)
book.renderLrf(open(opts.output, 'wb'))
class LrsParser(object):
SELF_CLOSING_TAGS = [
i.lower() for i in [
'CR', 'Plot', 'NoBR', 'Space', 'PutObj', 'RuledLine', 'Plot',
'SetDefault', 'BookSetting', 'RegistFont', 'PageStyle',
'TextStyle', 'BlockStyle', 'JumpTo', 'ImageStream', 'Image'
]
]
def __init__(self, stream, logger):
self.logger = logger
src = stream.read()
self.soup = BeautifulStoneSoup(
xml_to_unicode(src)[0],
convertEntities=BeautifulStoneSoup.XML_ENTITIES,
selfClosingTags=self.SELF_CLOSING_TAGS)
self.objects = {}
for obj in self.soup.findAll(objid=True):
self.objects[obj['objid']] = obj
self.parsed_objects = {}
self.first_pass()
self.second_pass()
self.third_pass()
self.fourth_pass()
self.fifth_pass()
def fifth_pass(self):
for tag in self.soup.findAll(['canvas', 'header', 'footer']):
canvas = self.parsed_objects[tag.get('objid')]
for po in tag.findAll('putobj'):
canvas.put_object(self.parsed_objects[po.get('refobj')],
po.get('x1'), po.get('y1'))
@classmethod
def attrs_to_dict(cls, tag, exclude=('objid', )):
result = {}
for key, val in tag.attrs:
if key in exclude:
continue
result[str(key)] = val
return result
def text_tag_to_element(self, tag):
map = {
'span': Span,
'italic': Italic,
'bold': Bold,
'empline': EmpLine,
'sup': Sup,
'sub': Sub,
'cr': CR,
'drawchar': DropCaps,
}
if tag.name == 'charbutton':
return CharButton(self.parsed_objects[tag.get('refobj')], None)
if tag.name == 'plot':
return Plot(self.parsed_objects[tag.get('refobj')],
**self.attrs_to_dict(tag, ['refobj']))
settings = self.attrs_to_dict(tag)
settings.pop('spanstyle', '')
return map[tag.name](**settings)
def process_text_element(self, tag, elem):
for item in tag.contents:
if isinstance(item, NavigableString):
elem.append(item.string)
else:
subelem = self.text_tag_to_element(item)
elem.append(subelem)
self.process_text_element(item, subelem)
def process_paragraph(self, tag):
p = Paragraph()
contents = [i for i in tag.contents]
if contents:
if isinstance(contents[0], NavigableString):
contents[0] = contents[0].string.lstrip()
for item in contents:
if isinstance(item, basestring):
p.append(item)
elif isinstance(item, NavigableString):
p.append(item.string)
else:
elem = self.text_tag_to_element(item)
p.append(elem)
self.process_text_element(item, elem)
return p
def process_text_block(self, tag):
tb = self.parsed_objects[tag.get('objid')]
for item in tag.contents:
if hasattr(item, 'name'):
if item.name == 'p':
tb.append(self.process_paragraph(item))
elif item.name == 'cr':
tb.append(CR())
elif item.name == 'charbutton': # BookDesigner does this
p = Paragraph()
tb.append(p)
elem = self.text_tag_to_element(item)
self.process_text_element(item, elem)
p.append(elem)
def fourth_pass(self):
for tag in self.soup.findAll('page'):
page = self.parsed_objects[tag.get('objid')]
self.book.append(page)
for block_tag in tag.findAll([
'canvas', 'imageblock', 'textblock', 'ruledline',
'simpletextblock'
]):
if block_tag.name == 'ruledline':
page.append(RuledLine(**self.attrs_to_dict(block_tag)))
else:
page.append(self.parsed_objects[block_tag.get('objid')])
for tag in self.soup.find('objects').findAll('button'):
jt = tag.find('jumpto')
tb = self.parsed_objects[jt.get('refobj')]
jb = JumpButton(tb)
self.book.append(jb)
self.parsed_objects[tag.get('objid')] = jb
for tag in self.soup.findAll(['textblock', 'simpletextblock']):
self.process_text_block(tag)
toc = self.soup.find('toc')
if toc:
for tag in toc.findAll('toclabel'):
label = self.tag_to_string(tag)
self.book.addTocEntry(label,
self.parsed_objects[tag.get('refobj')])
def third_pass(self):
map = {
'page': (Page, [
'pagestyle', 'evenfooterid', 'oddfooterid', 'evenheaderid',
'oddheaderid'
]),
'textblock': (TextBlock, ['textstyle', 'blockstyle']),
'simpletextblock': (TextBlock, ['textstyle', 'blockstyle']),
'imageblock': (ImageBlock, ['blockstyle', 'refstream']),
'image': (Image, ['refstream']),
'canvas': (Canvas, ['canvaswidth', 'canvasheight']),
}
attrmap = {
'pagestyle': 'pageStyle',
'blockstyle': 'blockStyle',
'textstyle': 'textStyle',
}
for id, tag in self.objects.items():
if tag.name in map.keys():
settings = self.attrs_to_dict(
tag, map[tag.name][1] + ['objid', 'objlabel'])
for a in ('pagestyle', 'blockstyle', 'textstyle'):
label = tag.get(a, False)
if label and \
(label in self._style_labels or label in self.parsed_objects):
_obj = self.parsed_objects[label] if \
self.parsed_objects.has_key(label) else \
self._style_labels[label]
settings[attrmap[a]] = _obj
for a in ('evenfooterid', 'oddfooterid', 'evenheaderid',
'oddheaderid'):
if tag.has_key(a):
settings[a.replace(
'id', '')] = self.parsed_objects[tag.get(a)]
args = []
if tag.has_key('refstream'):
args.append(self.parsed_objects[tag.get('refstream')])
if tag.has_key('canvaswidth'):
args += [tag.get('canvaswidth'), tag.get('canvasheight')]
self.parsed_objects[id] = map[tag.name][0](*args, **settings)
def second_pass(self):
map = {
'pagestyle': (PageStyle, [
'stylelabel', 'evenheaderid', 'oddheaderid', 'evenfooterid',
'oddfooterid'
]),
'textstyle': (TextStyle, ['stylelabel', 'rubyalignandadjust']),
'blockstyle': (BlockStyle, ['stylelabel']),
'imagestream': (ImageStream, ['imagestreamlabel']),
'registfont': (Font, [])
}
self._style_labels = {}
for id, tag in self.objects.items():
if tag.name in map.keys():
settings = self.attrs_to_dict(tag,
map[tag.name][1] + ['objid'])
if tag.name == 'pagestyle':
for a in ('evenheaderid', 'oddheaderid', 'evenfooterid',
'oddfooterid'):
if tag.has_key(a):
settings[a.replace(
'id', '')] = self.parsed_objects[tag.get(a)]
settings.pop('autoindex', '')
self.parsed_objects[id] = map[tag.name][0](**settings)
x = tag.get('stylelabel', False)
if x:
self._style_labels[x] = self.parsed_objects[id]
if tag.name == 'registfont':
self.book.append(self.parsed_objects[id])
@classmethod
def tag_to_string(cls, tag):
'''
Convenience method to take a BeautifulSoup Tag and extract the text from it
recursively.
@return: A unicode (possibly empty) object
'''
if not tag:
return ''
strings = []
for item in tag.contents:
if isinstance(item, (NavigableString, CData)):
strings.append(item.string)
elif isinstance(item, Tag):
res = cls.tag_to_string(item)
if res:
strings.append(res)
return u''.join(strings)
def first_pass(self):
info = self.soup.find('bbebxylog').find('bookinformation').find('info')
bookinfo = info.find('bookinfo')
docinfo = info.find('docinfo')
def me(base, tagname):
tag = base.find(tagname.lower())
if tag is None:
return ('', '', '')
tag = (self.tag_to_string(tag),
tag.get('reading') if tag.has_key('reading') else '')
return tag
title = me(bookinfo, 'Title')
author = me(bookinfo, 'Author')
publisher = me(bookinfo, 'Publisher')
category = me(bookinfo, 'Category')[0]
classification = me(bookinfo, 'Classification')[0]
freetext = me(bookinfo, 'FreeText')[0]
language = me(docinfo, 'Language')[0]
creator = me(docinfo, 'Creator')[0]
producer = me(docinfo, 'Producer')[0]
bookid = me(bookinfo, 'BookID')[0]
sd = self.soup.find('setdefault')
sd = StyleDefault(
**self.attrs_to_dict(sd, ['page_tree_id', 'rubyalignandadjust']))
bs = self.soup.find('booksetting')
bs = BookSetting(**self.attrs_to_dict(bs, []))
settings = {}
thumbnail = self.soup.find('cthumbnail')
if thumbnail is not None:
f = thumbnail['file']
if os.access(f, os.R_OK):
settings['thumbnail'] = f
else:
print _('Could not read from thumbnail file:'), f
self.book = Book(title=title,
author=author,
publisher=publisher,
category=category,
classification=classification,
freetext=freetext,
language=language,
creator=creator,
producer=producer,
bookid=bookid,
setdefault=sd,
booksetting=bs,
**settings)
for hdr in self.soup.findAll(['header', 'footer']):
elem = Header if hdr.name == 'header' else Footer
self.parsed_objects[hdr.get('objid')] = elem(
**self.attrs_to_dict(hdr))
def render(self, file, to_lrs=False):
if to_lrs:
self.book.renderLrs(file, 'utf-8')
else:
self.book.renderLrf(file)
class LrsParser(object):
SELF_CLOSING_TAGS = [i.lower() for i in ['CR', 'Plot', 'NoBR', 'Space',
'PutObj', 'RuledLine',
'Plot', 'SetDefault', 'BookSetting', 'RegistFont',
'PageStyle', 'TextStyle', 'BlockStyle', 'JumpTo',
'ImageStream', 'Image']]
def __init__(self, stream, logger):
self.logger = logger
src = stream.read()
self.soup = BeautifulStoneSoup(xml_to_unicode(src)[0],
convertEntities=BeautifulStoneSoup.XML_ENTITIES,
selfClosingTags=self.SELF_CLOSING_TAGS)
self.objects = {}
for obj in self.soup.findAll(objid=True):
self.objects[obj['objid']] = obj
self.parsed_objects = {}
self.first_pass()
self.second_pass()
self.third_pass()
self.fourth_pass()
self.fifth_pass()
def fifth_pass(self):
for tag in self.soup.findAll(['canvas', 'header', 'footer']):
canvas = self.parsed_objects[tag.get('objid')]
for po in tag.findAll('putobj'):
canvas.put_object(self.parsed_objects[po.get('refobj')],
po.get('x1'), po.get('y1'))
@classmethod
def attrs_to_dict(cls, tag, exclude=('objid',)):
result = {}
for key, val in tag.attrs:
if key in exclude:
continue
result[str(key)] = val
return result
def text_tag_to_element(self, tag):
map = {
'span' : Span,
'italic' : Italic,
'bold' : Bold,
'empline' : EmpLine,
'sup' : Sup,
'sub' : Sub,
'cr' : CR,
'drawchar': DropCaps,
}
if tag.name == 'charbutton':
return CharButton(self.parsed_objects[tag.get('refobj')], None)
if tag.name == 'plot':
return Plot(self.parsed_objects[tag.get('refobj')], **self.attrs_to_dict(tag, ['refobj']))
settings = self.attrs_to_dict(tag)
settings.pop('spanstyle', '')
return map[tag.name](**settings)
def process_text_element(self, tag, elem):
for item in tag.contents:
if isinstance(item, NavigableString):
elem.append(item.string)
else:
subelem = self.text_tag_to_element(item)
elem.append(subelem)
self.process_text_element(item, subelem)
def process_paragraph(self, tag):
p = Paragraph()
contents = [i for i in tag.contents]
if contents:
if isinstance(contents[0], NavigableString):
contents[0] = contents[0].string.lstrip()
for item in contents:
if isinstance(item, basestring):
p.append(item)
elif isinstance(item, NavigableString):
p.append(item.string)
else:
elem = self.text_tag_to_element(item)
p.append(elem)
self.process_text_element(item, elem)
return p
def process_text_block(self, tag):
tb = self.parsed_objects[tag.get('objid')]
for item in tag.contents:
if hasattr(item, 'name'):
if item.name == 'p':
tb.append(self.process_paragraph(item))
elif item.name == 'cr':
tb.append(CR())
elif item.name == 'charbutton': # BookDesigner does this
p = Paragraph()
tb.append(p)
elem = self.text_tag_to_element(item)
self.process_text_element(item, elem)
p.append(elem)
def fourth_pass(self):
for tag in self.soup.findAll('page'):
page = self.parsed_objects[tag.get('objid')]
self.book.append(page)
for block_tag in tag.findAll(['canvas', 'imageblock', 'textblock',
'ruledline', 'simpletextblock']):
if block_tag.name == 'ruledline':
page.append(RuledLine(**self.attrs_to_dict(block_tag)))
else:
page.append(self.parsed_objects[block_tag.get('objid')])
for tag in self.soup.find('objects').findAll('button'):
jt = tag.find('jumpto')
tb = self.parsed_objects[jt.get('refobj')]
jb = JumpButton(tb)
self.book.append(jb)
self.parsed_objects[tag.get('objid')] = jb
for tag in self.soup.findAll(['textblock', 'simpletextblock']):
self.process_text_block(tag)
toc = self.soup.find('toc')
if toc:
for tag in toc.findAll('toclabel'):
label = self.tag_to_string(tag)
self.book.addTocEntry(label, self.parsed_objects[tag.get('refobj')])
def third_pass(self):
map = {
'page' : (Page, ['pagestyle', 'evenfooterid',
'oddfooterid', 'evenheaderid', 'oddheaderid']),
'textblock' : (TextBlock, ['textstyle', 'blockstyle']),
'simpletextblock' : (TextBlock, ['textstyle', 'blockstyle']),
'imageblock' : (ImageBlock, ['blockstyle', 'refstream']),
'image' : (Image, ['refstream']),
'canvas' : (Canvas, ['canvaswidth', 'canvasheight']),
}
attrmap = {
'pagestyle' : 'pageStyle',
'blockstyle' : 'blockStyle',
'textstyle' : 'textStyle',
}
for id, tag in self.objects.items():
if tag.name in map.keys():
settings = self.attrs_to_dict(tag, map[tag.name][1]+['objid', 'objlabel'])
for a in ('pagestyle', 'blockstyle', 'textstyle'):
label = tag.get(a, False)
if label and \
(label in self._style_labels or label in self.parsed_objects):
_obj = self.parsed_objects[label] if \
self.parsed_objects.has_key(label) else \
self._style_labels[label]
settings[attrmap[a]] = _obj
for a in ('evenfooterid', 'oddfooterid', 'evenheaderid', 'oddheaderid'):
if tag.has_key(a):
settings[a.replace('id', '')] = self.parsed_objects[tag.get(a)]
args = []
if tag.has_key('refstream'):
args.append(self.parsed_objects[tag.get('refstream')])
if tag.has_key('canvaswidth'):
args += [tag.get('canvaswidth'), tag.get('canvasheight')]
self.parsed_objects[id] = map[tag.name][0](*args, **settings)
def second_pass(self):
map = {
'pagestyle' : (PageStyle, ['stylelabel', 'evenheaderid', 'oddheaderid', 'evenfooterid', 'oddfooterid']),
'textstyle' : (TextStyle, ['stylelabel', 'rubyalignandadjust']),
'blockstyle' : (BlockStyle, ['stylelabel']),
'imagestream': (ImageStream, ['imagestreamlabel']),
'registfont' : (Font, [])
}
self._style_labels = {}
for id, tag in self.objects.items():
if tag.name in map.keys():
settings = self.attrs_to_dict(tag, map[tag.name][1]+['objid'])
if tag.name == 'pagestyle':
for a in ('evenheaderid', 'oddheaderid', 'evenfooterid', 'oddfooterid'):
if tag.has_key(a):
settings[a.replace('id', '')] = self.parsed_objects[tag.get(a)]
settings.pop('autoindex', '')
self.parsed_objects[id] = map[tag.name][0](**settings)
x = tag.get('stylelabel', False)
if x:
self._style_labels[x] = self.parsed_objects[id]
if tag.name == 'registfont':
self.book.append(self.parsed_objects[id])
@classmethod
def tag_to_string(cls, tag):
'''
Convenience method to take a BeautifulSoup Tag and extract the text from it
recursively.
@return: A unicode (possibly empty) object
'''
if not tag:
return ''
strings = []
for item in tag.contents:
if isinstance(item, (NavigableString, CData)):
strings.append(item.string)
elif isinstance(item, Tag):
res = cls.tag_to_string(item)
if res:
strings.append(res)
return u''.join(strings)
def first_pass(self):
info = self.soup.find('bbebxylog').find('bookinformation').find('info')
bookinfo = info.find('bookinfo')
docinfo = info.find('docinfo')
def me(base, tagname):
tag = base.find(tagname.lower())
if tag is None:
return ('', '', '')
tag = (self.tag_to_string(tag), tag.get('reading') if tag.has_key('reading') else '')
return tag
title = me(bookinfo, 'Title')
author = me(bookinfo, 'Author')
publisher = me(bookinfo, 'Publisher')
category = me(bookinfo, 'Category')[0]
classification = me(bookinfo, 'Classification')[0]
freetext = me(bookinfo, 'FreeText')[0]
language = me(docinfo, 'Language')[0]
creator = me(docinfo, 'Creator')[0]
producer = me(docinfo, 'Producer')[0]
bookid = me(bookinfo, 'BookID')[0]
sd = self.soup.find('setdefault')
sd = StyleDefault(**self.attrs_to_dict(sd, ['page_tree_id', 'rubyalignandadjust']))
bs = self.soup.find('booksetting')
bs = BookSetting(**self.attrs_to_dict(bs, []))
settings = {}
thumbnail = self.soup.find('cthumbnail')
if thumbnail is not None:
f = thumbnail['file']
if os.access(f, os.R_OK):
settings['thumbnail'] = f
else:
print _('Could not read from thumbnail file:'), f
self.book = Book(title=title, author=author, publisher=publisher,
category=category, classification=classification,
freetext=freetext, language=language, creator=creator,
producer=producer, bookid=bookid, setdefault=sd,
booksetting=bs, **settings)
for hdr in self.soup.findAll(['header', 'footer']):
elem = Header if hdr.name == 'header' else Footer
self.parsed_objects[hdr.get('objid')] = elem(**self.attrs_to_dict(hdr))
def render(self, file, to_lrs=False):
if to_lrs:
self.book.renderLrs(file, 'utf-8')
else:
self.book.renderLrf(file)