mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-26 01:50:31 +00:00
Minor code refactorisation of epub.py
- Reduce the amount of nested indentation - Use proper functions instead of fragile manual parsing
This commit is contained in:
jvoisin
parent
d0411fd9c7
commit
631496775e
87
cps/epub.py
87
cps/epub.py
@ -28,18 +28,18 @@ from .constants import BookMeta
|
||||
def _extract_cover(zip_file, cover_file, cover_path, tmp_file_name):
|
||||
if cover_file is None:
|
||||
return None
|
||||
else:
|
||||
cf = extension = None
|
||||
zip_cover_path = os.path.join(cover_path, cover_file).replace('\\', '/')
|
||||
|
||||
prefix = os.path.splitext(tmp_file_name)[0]
|
||||
tmp_cover_name = prefix + '.' + os.path.basename(zip_cover_path)
|
||||
ext = os.path.splitext(tmp_cover_name)
|
||||
if len(ext) > 1:
|
||||
extension = ext[1].lower()
|
||||
if extension in cover.COVER_EXTENSIONS:
|
||||
cf = zip_file.read(zip_cover_path)
|
||||
return cover.cover_processing(tmp_file_name, cf, extension)
|
||||
cf = extension = None
|
||||
zip_cover_path = os.path.join(cover_path, cover_file).replace('\\', '/')
|
||||
|
||||
prefix = os.path.splitext(tmp_file_name)[0]
|
||||
tmp_cover_name = prefix + '.' + os.path.basename(zip_cover_path)
|
||||
ext = os.path.splitext(tmp_cover_name)
|
||||
if len(ext) > 1:
|
||||
extension = ext[1].lower()
|
||||
if extension in cover.COVER_EXTENSIONS:
|
||||
cf = zip_file.read(zip_cover_path)
|
||||
return cover.cover_processing(tmp_file_name, cf, extension)
|
||||
|
||||
|
||||
def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
|
||||
@ -87,11 +87,7 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
|
||||
epub_metadata['date'] = ''
|
||||
|
||||
if epub_metadata['description'] == u'Unknown':
|
||||
description = tree.xpath("//*[local-name() = 'description']/text()")
|
||||
if len(description) > 0:
|
||||
epub_metadata['description'] = description
|
||||
else:
|
||||
epub_metadata['description'] = ""
|
||||
epub_metadata['description'] = tree.xpath("//*[local-name() = 'description']/text()")
|
||||
|
||||
lang = epub_metadata['language'].split('-', 1)[0].lower()
|
||||
epub_metadata['language'] = isoLanguages.get_lang3(lang)
|
||||
@ -131,41 +127,40 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
|
||||
|
||||
def parse_epub_cover(ns, tree, epub_zip, cover_path, tmp_file_path):
|
||||
cover_section = tree.xpath("/pkg:package/pkg:manifest/pkg:item[@id='cover-image']/@href", namespaces=ns)
|
||||
cover_file = None
|
||||
# if len(cover_section) > 0:
|
||||
for cs in cover_section:
|
||||
cover_file = _extract_cover(epub_zip, cs, cover_path, tmp_file_path)
|
||||
if cover_file:
|
||||
break
|
||||
if not cover_file:
|
||||
meta_cover = tree.xpath("/pkg:package/pkg:metadata/pkg:meta[@name='cover']/@content", namespaces=ns)
|
||||
if len(meta_cover) > 0:
|
||||
return cover_file
|
||||
|
||||
meta_cover = tree.xpath("/pkg:package/pkg:metadata/pkg:meta[@name='cover']/@content", namespaces=ns)
|
||||
if len(meta_cover) > 0:
|
||||
cover_section = tree.xpath(
|
||||
"/pkg:package/pkg:manifest/pkg:item[@id='"+meta_cover[0]+"']/@href", namespaces=ns)
|
||||
if not cover_section:
|
||||
cover_section = tree.xpath(
|
||||
"/pkg:package/pkg:manifest/pkg:item[@id='"+meta_cover[0]+"']/@href", namespaces=ns)
|
||||
if not cover_section:
|
||||
cover_section = tree.xpath(
|
||||
"/pkg:package/pkg:manifest/pkg:item[@properties='" + meta_cover[0] + "']/@href", namespaces=ns)
|
||||
"/pkg:package/pkg:manifest/pkg:item[@properties='" + meta_cover[0] + "']/@href", namespaces=ns)
|
||||
else:
|
||||
cover_section = tree.xpath("/pkg:package/pkg:guide/pkg:reference/@href", namespaces=ns)
|
||||
|
||||
cover_file = None
|
||||
for cs in cover_section:
|
||||
if cs.endswith('.xhtml') or s.endswith('.html'):
|
||||
markup = epub_zip.read(os.path.join(cover_path, cs))
|
||||
markup_tree = etree.fromstring(markup)
|
||||
# no matter xhtml or html with no namespace
|
||||
img_src = markup_tree.xpath("//*[local-name() = 'img']/@src")
|
||||
# Alternative image source
|
||||
if not len(img_src):
|
||||
img_src = markup_tree.xpath("//attribute::*[contains(local-name(), 'href')]")
|
||||
if len(img_src):
|
||||
# img_src maybe start with "../"" so fullpath join then relpath to cwd
|
||||
filename = os.path.relpath(os.path.join(os.path.dirname(os.path.join(cover_path, cover_section[0])),
|
||||
img_src[0]))
|
||||
cover_file = _extract_cover(epub_zip, filename, "", tmp_file_path)
|
||||
else:
|
||||
cover_section = tree.xpath("/pkg:package/pkg:guide/pkg:reference/@href", namespaces=ns)
|
||||
for cs in cover_section:
|
||||
filetype = cs.rsplit('.', 1)[-1]
|
||||
if filetype == "xhtml" or filetype == "html": # if cover is (x)html format
|
||||
markup = epub_zip.read(os.path.join(cover_path, cs))
|
||||
markup_tree = etree.fromstring(markup)
|
||||
# no matter xhtml or html with no namespace
|
||||
img_src = markup_tree.xpath("//*[local-name() = 'img']/@src")
|
||||
# Alternative image source
|
||||
if not len(img_src):
|
||||
img_src = markup_tree.xpath("//attribute::*[contains(local-name(), 'href')]")
|
||||
if len(img_src):
|
||||
# img_src maybe start with "../"" so fullpath join then relpath to cwd
|
||||
filename = os.path.relpath(os.path.join(os.path.dirname(os.path.join(cover_path, cover_section[0])),
|
||||
img_src[0]))
|
||||
cover_file = _extract_cover(epub_zip, filename, "", tmp_file_path)
|
||||
else:
|
||||
cover_file = _extract_cover(epub_zip, cs, cover_path, tmp_file_path)
|
||||
if cover_file: break
|
||||
return cover_file
|
||||
cover_file = _extract_cover(epub_zip, cs, cover_path, tmp_file_path)
|
||||
if cover_file:
|
||||
return cover_file
|
||||
|
||||
|
||||
def parse_epub_series(ns, tree, epub_metadata):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user