voussoir/epubfile
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
epubfile/epubfile.py
Ethan Dalool 29eea3855c Add method assert_id_not_exists for pre-creation checks. 
At the moment it's only used once but it looks nice to have it
paired with the other assert also used in the add_file method.
2019-08-06 23:37:14 -07:00

863 lines
29 KiB
Python
Raw Blame History

import mimetypes
import os
import re
import tempfile
import urllib.parse
import uuid
import zipfile
import bs4
import tinycss2
from voussoirkit import pathclass
MIMETYPE_CONTENT = 'application/epub+zip'
HTML_LINK_PROPERTIES = {
'a': ['href'],
'audio': ['src'],
'image': ['href', 'xlink:href'],
'img': ['src'],
'link': ['href'],
'script': ['src'],
'source': ['src'],
'track': ['src'],
'video': ['src', 'poster'],
}
EXTENSION_MIMETYPES = {
'html': 'application/xhtml+xml',
'xhtml': 'application/xhtml+xml',
'htm': 'application/xhtml+xml',
'smi': 'application/smil+xml',
'smil': 'application/smil+xml',
'sml': 'application/smil+xml',
'otf': 'application/font-sfnt',
'ttf': 'application/font-sfnt',
'pls': 'application/pls+xml',
'woff': 'application/font-woff',
'woff2': 'font/woff2',
}
MIMETYPE_DIRECTORIES = {
'application/x-dtbncx+xml': '.',
'application/font-sfnt': 'Fonts',
'application/xhtml+xml': 'Text',
'font': 'Fonts',
'image': 'Images',
'text/css': 'Styles',
'audio': 'Audio',
'video': 'Video',
}
MIMETYPE_FILE_TEMPLATE = 'application/epub+zip'
CONTAINER_XML_TEMPLATE = '''
<?xml version="1.0" encoding="UTF-8"?>
<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
<rootfiles>
<rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>
</rootfiles>
</container>
'''.strip()
OPF_TEMPLATE = '''
<?xml version="1.0" encoding="utf-8"?>
<package version="3.0" unique-identifier="BookId" xmlns="http://www.idpf.org/2007/opf">
<metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:identifier id="BookId">{uuid}</dc:identifier>
<dc:creator id="cre">author</dc:creator>
<meta scheme="marc:relators" refines="#cre" property="role">aut</meta>
<dc:title>title</dc:title>
<dc:language>und</dc:language>
</metadata>
<manifest>
<item id="ncx" href="toc.ncx" media-type="application/x-dtbncx+xml"/>
<item id="nav.xhtml" href="Text/nav.xhtml" media-type="application/xhtml+xml" properties="nav"/>
</manifest>
<spine toc="ncx">
<itemref idref="nav.xhtml" linear="no"/>
</spine>
</package>
'''.strip()
NCX_TEMPLATE = '''
<?xml version="1.0" encoding="utf-8"?>
<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">
<head>
<meta name="dtb:uid" content="{uuid}" />
</head>
<docTitle>
<text>Unknown</text>
</docTitle>
<navMap>
</navMap>
</ncx>
'''.strip()
NAV_XHTML_TEMPLATE = '''
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
<head>
<meta charset="utf-8"/>
</head>
<body epub:type="frontmatter">
<nav epub:type="toc" id="toc">
<h1>Table of Contents</h1>
<ol>
</ol>
</nav>
</body>
</html>
'''.strip()
TEXT_TEMPLATE = '''
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
<head>
{head_content}
</head>
<body>
{body_content}
</body>
</html>
'''.strip()
def compress_epub(directory, epub_filepath):
directory = pathclass.Path(directory)
epub_filepath = pathclass.Path(epub_filepath)
if epub_filepath in directory:
raise ValueError('Epub inside its own directory')
if epub_filepath.extension != 'epub':
epub_filepath = epub_filepath.add_extension('epub')
with zipfile.ZipFile(epub_filepath.absolute_path, 'w') as z:
z.write(directory.with_child('mimetype').absolute_path, arcname='mimetype')
for file in directory.walk():
if file in [directory.with_child('mimetype'), directory.with_child('sigil.cfg')]:
continue
z.write(
file.absolute_path,
arcname=file.relative_to(directory),
compress_type=zipfile.ZIP_DEFLATED,
)
return epub_filepath
def extract_epub(epub_filepath, directory):
epub_filepath = pathclass.Path(epub_filepath)
directory = pathclass.Path(directory)
with zipfile.ZipFile(epub_filepath.absolute_path, 'r') as z:
z.extractall(directory.absolute_path)
def fix_xhtml(xhtml, return_soup=False):
if isinstance(xhtml, bs4.BeautifulSoup):
soup = xhtml
else:
# For the text pages, html5lib is the best because html.parser and lxml
# lowercase all attributes, breaking svg's case-sensitive viewBox etc.
# and xml loses all of the namespaces when namespaced elements are nested
# like <html xmlns="..."><svg xmlns:xlink="..."></svg></html>.
# The downside of html5lib is it turns the xml declaration at the top
# into a comment which we must undo manually.
soup = bs4.BeautifulSoup(xhtml, 'html5lib')
if not soup.html:
html = soup.new_tag('html')
for child in list(soup.contents):
html.append(child)
soup.append(html)
if not soup.html.body:
body = soup.new_tag('body')
for child in list(soup.html.contents):
body.append(child)
soup.html.append(body)
if not soup.html.get('xmlns'):
soup.html['xmlns'] = 'http://www.w3.org/1999/xhtml'
try:
doctype = next(i for i in soup.contents if isinstance(i, bs4.Doctype))
except StopIteration:
doctype = bs4.Doctype('html')
soup.html.insert_before(doctype)
# html5lib turns the xml declaration into a comment which we must revert.
try:
if isinstance(soup.contents[0], bs4.Comment):
declaration = bs4.Declaration('xml version="1.0" encoding="utf-8"')
soup.insert(0, declaration)
declaration.next.extract()
except StopIteration:
pass
try:
declaration = next(i for i in soup.contents if isinstance(i, bs4.Declaration))
except StopIteration:
declaration = bs4.Declaration('xml version="1.0" encoding="utf-8"')
doctype.insert_before(declaration)
if return_soup:
return soup
return str(soup)
def get_directory_for_mimetype(mime):
directory = (
MIMETYPE_DIRECTORIES.get(mime) or
MIMETYPE_DIRECTORIES.get(mime.split('/')[0]) or
'Misc'
)
return directory
def get_mimetype_for_basename(basename):
extension = os.path.splitext(basename)[1].strip('.')
mime = (
EXTENSION_MIMETYPES.get(extension) or
mimetypes.guess_type(basename)[0] or
'application/octet-stream'
)
return mime
def make_manifest_item(id, href, mime):
manifest_item = f'<item id="{id}" href="{href}" media-type="{mime}"/>'
# 'html.parser' just for having the simplest output.
manifest_item = bs4.BeautifulSoup(manifest_item, 'html.parser')
return manifest_item.item
def make_meta_item(content=None, attrs=None):
if content:
meta_item = f'<meta>{content}</meta>'
else:
meta_item = f'<meta/>'
meta_item = bs4.BeautifulSoup(meta_item, 'html.parser')
if attrs:
meta_item.attrs.update(attrs)
return meta_item.meta
def make_spine_item(id):
spine_item = f'<itemref idref="{id}"/>'
# 'html.parser' just for having the simplest output.
spine_item = bs4.BeautifulSoup(spine_item, 'html.parser')
return spine_item.itemref
class EpubfileException(Exception):
error_message = ''
def __init__(self, *args, **kwargs):
super().__init__()
self.given_args = args
self.given_kwargs = kwargs
self.error_message = self.error_message.format(*args, **kwargs)
self.args = (self.error_message, args, kwargs)
def __str__(self):
return self.error_message
class FileExists(EpubfileException):
error_message = 'There is already a file at {}.'
class IDExists(EpubfileException):
error_message = 'There is already a file with id {}.'
class NotInManifest(EpubfileException):
error_message = '{} is not in the manifest.'
class NotInSpine(EpubfileException):
error_message = '{} is not in the spine.'
class Epub:
def __init__(self, directory):
if isinstance(directory, tempfile.TemporaryDirectory):
self._tempdir_reference = directory
directory = directory.name
self.root_directory = pathclass.Path(directory, force_sep='/')
self.opf_filepath = None
self.opf = None
self.read_opf(self.get_opfs()[0])
def __repr__(self):
return f'Epub({repr(self.root_directory.absolute_path)})'
def assert_file_not_exists(self, filepath):
if filepath.exists:
existing = filepath.relative_to(self.opf_filepath.parent)
raise FileExists(existing)
def assert_id_not_exists(self, id):
if self.opf.manifest.find('item', {'id': id}):
raise IDExists(id)
# LOADING AND SAVING
############################################################################
@classmethod
def new(cls):
def writefile(filepath, content):
os.makedirs(filepath.parent.absolute_path, exist_ok=True)
with open(filepath.absolute_path, 'w', encoding='utf-8') as handle:
handle.write(content)
uid = uuid.uuid4().urn
tempdir = tempfile.TemporaryDirectory(prefix='epubfile-')
root = pathclass.Path(tempdir.name)
writefile(root.join('mimetype'), MIMETYPE_FILE_TEMPLATE)
writefile(root.join('META-INF/container.xml'), CONTAINER_XML_TEMPLATE)
writefile(root.join('OEBPS/content.opf'), OPF_TEMPLATE.format(uuid=uid))
writefile(root.join('OEBPS/toc.ncx'), NCX_TEMPLATE.format(uuid=uid))
writefile(root.join('OEBPS/Text/nav.xhtml'), NAV_XHTML_TEMPLATE)
return cls(tempdir)
@classmethod
def open(cls, epub_filepath):
extract_to = tempfile.TemporaryDirectory(prefix='epubfile-')
extract_epub(epub_filepath, extract_to.name)
return cls(extract_to)
def save(self, epub_filepath):
self.write_opf()
compress_epub(self.root_directory, epub_filepath)
# CONTAINER & OPF
############################################################################
def get_opfs(self):
container = self.read_container_xml()
rootfiles = container.find_all('rootfile')
rootfiles = [x.get('full-path') for x in rootfiles]
rootfiles = [self.root_directory.join(x) for x in rootfiles]
return rootfiles
def read_container_xml(self):
container_xml_path = self.root_directory.join('META-INF/container.xml')
container = open(container_xml_path.absolute_path, 'r', encoding='utf-8')
# 'xml' and 'html.parser' seem about even here except that html.parser doesn't self-close.
container = bs4.BeautifulSoup(container, 'xml')
return container
def read_opf(self, rootfile):
rootfile = pathclass.Path(rootfile, force_sep='/')
rootfile_xml = open(rootfile.absolute_path, 'r', encoding='utf-8').read()
# 'html.parser' preserves namespacing the best, but unfortunately it
# botches the <meta> items because it wants them to be self-closing
# and the string contents come out. We will fix in just a moment.
# This is still preferable to 'xml' which handles the dc: prefixes when
# parsing only the metadata block, but loses all namespaces when parsing
# the whole doc. 'lxml' wraps the content in <html><body> and also
# botches the metas so it's not any better than html.parser.
self.opf = bs4.BeautifulSoup(rootfile_xml, 'html.parser')
# Let's fix those metas.
metas = self.opf.select('meta')
for meta in metas:
neighbor = meta.next
if neighbor.parent != meta.parent:
break
if not isinstance(neighbor, bs4.element.NavigableString):
continue
meta.append(neighbor.extract().strip())
self.opf_filepath = rootfile
return self.opf
def write_container_xml(self, container):
if isinstance(container, bs4.BeautifulSoup):
container = str(container)
container_xml_path = self.root_directory.join('META-INF/container.xml')
container_xml = open(container_xml_path.absolute_path, 'w', encoding='utf-8')
container_xml.write(container)
def write_opf(self):
with open(self.opf_filepath.absolute_path, 'w', encoding='utf-8') as rootfile:
rootfile.write(str(self.opf))
# FILE OPERATIONS
############################################################################
def add_file(self, id, basename, content):
self.assert_id_not_exists(id)
basename = os.path.basename(basename)
mime = get_mimetype_for_basename(basename)
directory = get_directory_for_mimetype(mime)
directory = self.opf_filepath.parent.with_child(directory)
os.makedirs(directory.absolute_path, exist_ok=True)
filepath = directory.with_child(basename)
self.assert_file_not_exists(filepath)
if mime == 'application/xhtml+xml':
# bs4 converts bytes to str so this must come before the handle choice.
content = fix_xhtml(content)
if isinstance(content, str):
handle = open(filepath.absolute_path, 'w', encoding='utf-8')
elif isinstance(content, bytes):
handle = open(filepath.absolute_path, 'wb')
else:
raise TypeError(type(content))
with handle:
handle.write(content)
href = filepath.relative_to(self.opf_filepath.parent, simple=True)
href = urllib.parse.quote(href)
manifest_item = make_manifest_item(id, href, mime)
self.opf.manifest.append(manifest_item)
if mime == 'application/xhtml+xml':
spine_item = make_spine_item(id)
self.opf.spine.append(spine_item)
return id
def easy_add_file(self, filepath):
filepath = pathclass.Path(filepath)
with open(filepath.absolute_path, 'rb') as handle:
self.add_file(
id=filepath.basename,
basename=filepath.basename,
content=handle.read(),
)
def delete_file(self, id):
os.remove(self.get_filepath(id).absolute_path)
spine_item = self.opf.spine.find('itemref', {'idref': id})
if spine_item:
spine_item.extract()
manifest_item = self.opf.manifest.find('item', {'id': id})
manifest_item.extract()
def get_filepath(self, id):
href = self.opf.manifest.find('item', {'id': id})['href']
filepath = self.opf_filepath.parent.join(href)
if not filepath.exists:
href = urllib.parse.unquote(href)
filepath = self.opf_filepath.parent.join(href)
return filepath
def open_file(self, id, mode):
if mode not in ('r', 'w'):
raise ValueError(f'Mode {mode} should be either r or w.')
filepath = self.get_filepath(id)
mime = self.opf.manifest.find('item', {'id': id})['media-type']
is_text = (
mime in ('application/xhtml+xml', 'application/x-dtbncx+xml') or
mime.startswith('text/')
)
if is_text:
handle = open(filepath.absolute_path, mode, encoding='utf-8')
else:
handle = open(filepath.absolute_path, mode + 'b')
return handle
def read_file(self, id, *, soup=False):
# text vs binary handled by open_file.
content = self.open_file(id, 'r').read()
if soup and self.get_manifest_item(id)['media-type'] == 'application/xhtml+xml':
return fix_xhtml(content, return_soup=True)
return content
def rename_file(self, id, new_basename=None, *, fix_interlinking=True):
if isinstance(id, dict):
basename_map = id
else:
if new_basename is None:
raise TypeError('new_basename can be omitted if id is a dict.')
basename_map = {id: new_basename}
rename_map = {}
for (id, new_basename) in basename_map.items():
old_filepath = self.get_filepath(id)
new_filepath = old_filepath.parent.with_child(new_basename)
if not new_filepath.extension:
new_filepath = new_filepath.add_extension(old_filepath.extension)
self.assert_file_not_exists(new_filepath)
os.rename(old_filepath.absolute_path, new_filepath.absolute_path)
rename_map[old_filepath] = new_filepath
if fix_interlinking:
self.fix_interlinking(rename_map)
else:
self.fix_interlinking_opf(rename_map)
return rename_map
def write_file(self, id, content):
# text vs binary handled by open_file.
if isinstance(content, bs4.BeautifulSoup):
content = str(content)
with self.open_file(id, 'w') as handle:
handle.write(content)
# GETTING THINGS
############################################################################
def get_manifest_items(self, filter='', soup=False, spine_order=False):
query = f'item{filter}'
items = self.opf.manifest.select(query)
if spine_order:
items = {x['id']: x for x in items}
ordered_items = []
for spine_id in self.get_spine_order():
ordered_items.append(items.pop(spine_id))
ordered_items.extend(items.values())
items = ordered_items
if soup:
return items
return [x['id'] for x in items]
def get_manifest_item(self, id):
item = self.opf.manifest.find('item', {'id': id})
if not item:
raise NotInManifest(id)
return item
def get_fonts(self, *, soup=False):
return self.get_manifest_items(
filter='[media-type^="application/font"],[media-type^="font/"]',
soup=soup,
)
def get_images(self, *, soup=False):
return self.get_manifest_items(
filter='[media-type^="image/"]',
soup=soup,
)
def get_media(self, *, soup=False):
return self.get_manifest_items(
filter='[media-type^="video/"],[media-type^="audio/"]',
soup=soup,
)
def get_nav(self, *, soup=False):
nav = self.opf.manifest.find('item', {'properties': 'nav'})
if not nav:
return None
if soup:
return nav
return nav['id']
def get_ncx(self, *, soup=False):
ncx = self.opf.manifest.find('item', {'media-type': 'application/x-dtbncx+xml'})
if not ncx:
return None
if soup:
return ncx
return ncx['id']
def get_styles(self, *, soup=False):
return self.get_manifest_items(
filter='[media-type="text/css"]',
soup=soup,
)
def get_texts(self, *, soup=False, skip_nav=False):
texts = self.get_manifest_items(
filter='[media-type="application/xhtml+xml"]',
soup=True,
spine_order=True,
)
if skip_nav:
texts = [x for x in texts if x.get('properties') != 'nav']
if soup:
return texts
return [x['id'] for x in texts]
# COVER
############################################################################
def get_cover_image(self, *, soup=False):
cover = self.opf.manifest.find('item', {'properties': 'cover-image'})
if cover:
return cover if soup else cover['id']
cover = self.opf.metadata.find('meta', {'name': 'cover'})
if cover:
return cover if soup else cover['content']
return None
def remove_cover_image(self):
current_cover = self.get_cover_image(soup=True)
if not current_cover:
return
del current_cover['properties']
meta = self.opf.metadata.find('meta', {'name': 'cover'})
if meta:
meta.extract()
def set_cover_image(self, id):
if id is None:
self.remove_cover_image()
current_cover = self.get_cover_image(soup=True)
if not current_cover:
pass
elif current_cover['id'] == id:
return
else:
del current_cover['properties']
manifest_item = self.get_manifest_item(id)
manifest_item['properties'] = 'cover-image'
current_meta = self.opf.metadata.find('meta', {'name': 'cover'})
if current_meta:
current_meta[content] = id
else:
meta = make_meta_item(attrs={'name': 'cover', 'content': id})
self.opf.metadata.append(meta)
# SPINE
############################################################################
def get_spine_order(self, *, only_linear=False):
items = self.opf.spine.find_all('itemref')
if only_linear:
items = [x for x in items if x.get('linear') != 'no']
return [x['idref'] for x in items]
return ids
def set_spine_order(self, ids):
manifest_ids = self.get_manifest_items()
# Fetch the existing entries so that we can preserve their attributes
# while rearranging, only creating new spine entries for ids that aren't
# already present.
spine_items = self.opf.spine.select('itemref')
spine_items = {item['idref']: item for item in spine_items}
for id in ids:
if id not in manifest_ids:
raise NotInManifest(id)
if id in spine_items:
self.opf.spine.append(spine_items.pop(id))
else:
self.opf.spine.append(make_spine_item(id))
# The remainder of the current spine items were not used, so pop them out.
for spine_item in spine_items.values():
spine_item.extract()
def get_spine_linear(self, id):
spine_item = self.opf.spine.find('itemref', {'idref': id})
if not spine_item:
raise NotInSpine(id)
linear = spine_item.get('linear')
linear = {None: None, 'yes': True, 'no': False}.get(linear, linear)
return linear
def set_spine_linear(self, id, linear):
'''
Set linear to yes or no. Or pass None to remove the property.
'''
spine_item = self.opf.spine.find('itemref', {'idref': id})
if not spine_item:
raise NotInSpine(id)
if linear is None:
del spine_item['linear']
return
if isinstance(linear, str):
if linear not in ('yes', 'no'):
raise ValueError(f'Linear must be yes or no, not {linear}.')
elif isinstance(linear, (bool, int)):
linear = {True: 'yes', False: 'no'}[bool(linear)]
else:
raise TypeError(linear)
spine_item['linear'] = linear
# UTILITIES
############################################################################
def fix_all_xhtml(self):
for id in self.get_texts():
self.write_file(id, self.read_file(id, soup=True))
@staticmethod
def _fix_interlinking_helper(link, rename_map, relative_to, old_relative_to=None):
if link is None:
return None
link = urllib.parse.urlsplit(link)
if link.scheme:
return None
if old_relative_to is None:
old_relative_to = relative_to
new_filepath = (
rename_map.get(link.path) or
rename_map.get(old_relative_to.join(link.path)) or
rename_map.get(old_relative_to.join(urllib.parse.unquote(link.path))) or
None
)
if new_filepath is None:
return None
link = link._replace(path=new_filepath.relative_to(relative_to, simple=True))
link = link._replace(path=urllib.parse.quote(link.path))
return link.geturl()
@staticmethod
def _fix_interlinking_css_helper(tag):
links = []
commit = lambda: None
if not isinstance(tag, bs4.element.Tag):
pass
elif tag.name == 'style' and tag.contents:
style = tinycss2.parse_stylesheet(tag.contents[0])
links = [
token
for rule in style if isinstance(rule, tinycss2.ast.QualifiedRule)
for token in rule.content if isinstance(token, tinycss2.ast.URLToken)
]
commit = lambda: tag.contents[0].replace_with(tinycss2.serialize(style))
elif tag.get('style'):
style = tinycss2.parse_declaration_list(tag['style'])
links = [
token
for declaration in style if isinstance(declaration, tinycss2.ast.Declaration)
for token in declaration.value if isinstance(token, tinycss2.ast.URLToken)
]
commit = lambda: tag.attrs.update(style=tinycss2.serialize(style))
return (links, commit)
def fix_interlinking_text(self, id, rename_map, old_relative_to=None):
text_parent = self.get_filepath(id).parent
soup = self.read_file(id, soup=True)
for tag in soup.descendants:
for link_property in HTML_LINK_PROPERTIES.get(tag.name, []):
link = tag.get(link_property)
link = self._fix_interlinking_helper(link, rename_map, text_parent, old_relative_to)
if not link:
continue
tag[link_property] = link
(style_links, style_commit) = self._fix_interlinking_css_helper(tag)
for token in style_links:
link = token.value
link = self._fix_interlinking_helper(link, rename_map, text_parent, old_relative_to)
if not link:
continue
token.value = link
style_commit()
text = str(soup)
self.write_file(id, text)
def fix_interlinking_ncx(self, rename_map, old_relative_to=None):
ncx_id = self.get_ncx()
if not ncx_id:
return
ncx_parent = self.get_filepath(ncx_id).parent
ncx = self.read_file(ncx_id)
# 'xml' because 'lxml' and 'html.parser' lowercase the navPoint tag name.
ncx = bs4.BeautifulSoup(ncx, 'xml')
for point in ncx.select('navPoint > content[src]'):
link = point['src']
link = self._fix_interlinking_helper(link, rename_map, ncx_parent, old_relative_to)
if not link:
continue
point['src'] = link
ncx = str(ncx)
self.write_file(ncx_id, ncx)
def fix_interlinking_opf(self, rename_map):
opf_parent = self.opf_filepath.parent
for opf_item in self.opf.select('guide > reference[href], manifest > item[href]'):
link = opf_item['href']
link = self._fix_interlinking_helper(link, rename_map, opf_parent)
if not link:
continue
opf_item['href'] = link
def fix_interlinking(self, rename_map):
self.fix_interlinking_opf(rename_map)
for id in self.get_texts():
self.fix_interlinking_text(id, rename_map)
self.fix_interlinking_ncx(rename_map)
def move_nav_to_end(self):
'''
Move the nav.xhtml file to the end and set linear=no.
'''
nav = self.get_nav()
if not nav:
return
spine = self.get_spine_order()
for (index, id) in enumerate(spine):
if id == nav:
spine.append(spine.pop(index))
break
self.set_spine_order(spine)
self.set_spine_linear(nav, False)
def normalize_directory_structure(self):
# This must come before the opf rewrite because that would affect the
# location of all all manifest item hrefs.
manifest_items = self.get_manifest_items(soup=True)
old_filepaths = {item['id']: self.get_filepath(item['id']) for item in manifest_items}
old_ncx = self.get_ncx()
try:
old_ncx_parent = self.get_filepath(self.get_ncx()).parent
except Exception:
old_ncx_parent = None
if self.opf_filepath.parent == self.root_directory:
oebps = self.root_directory.with_child('OEBPS')
os.makedirs(oebps.absolute_path)
self.write_opf()
new_opf_path = oebps.with_child(self.opf_filepath.basename)
os.rename(self.opf_filepath.absolute_path, new_opf_path.absolute_path)
container = self.read_container_xml()
rootfile = container.find('rootfile', {'full-path': self.opf_filepath.basename})
rootfile['full-path'] = new_opf_path.relative_to(self.root_directory, simple=True)
self.write_container_xml(container)
self.opf_filepath = new_opf_path
rename_map = {}
for manifest_item in manifest_items:
old_filepath = old_filepaths[manifest_item['id']]
directory = get_directory_for_mimetype(manifest_item['media-type'])
directory = self.opf_filepath.parent.with_child(directory)
os.makedirs(directory.absolute_path, exist_ok=True)
new_filepath = directory.with_child(old_filepath.basename)
rename_map[old_filepath] = new_filepath
os.rename(old_filepath.absolute_path, new_filepath.absolute_path)
manifest_item['href'] = new_filepath.relative_to(self.opf_filepath.parent, simple=True)
self.fix_interlinking_opf(rename_map)
for id in self.get_texts():
self.fix_interlinking_text(id, rename_map, old_relative_to=old_filepaths[id].parent)
self.fix_interlinking_ncx(rename_map, old_relative_to=old_ncx_parent)
Reference in a new issue View git blame Copy permalink