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Better epub cover parsing with multiple cover-image items

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Code cosmetics
renamed variables
refactored xml page generation
refactored prepare author
This commit is contained in:
Ozzie Isaacs
2022-03-13 12:34:21 +01:00
parent 296f76b5fb
commit 4545f4a20d
18 changed files with 609 additions and 644 deletions
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20
cps/epub.py
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@@ -53,11 +53,11 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
txt = epub_zip.read('META-INF/container.xml')
tree = etree.fromstring(txt)
cfname = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
cf = epub_zip.read(cfname)
cf_name = tree.xpath('n:rootfiles/n:rootfile/@full-path', namespaces=ns)[0]
cf = epub_zip.read(cf_name)
tree = etree.fromstring(cf)
coverpath = os.path.dirname(cfname)
cover_path = os.path.dirname(cf_name)
p = tree.xpath('/pkg:package/pkg:metadata', namespaces=ns)[0]
@@ -90,7 +90,7 @@ def get_epub_info(tmp_file_path, original_file_name, original_file_extension):
epub_metadata = parse_epub_series(ns, tree, epub_metadata)
cover_file = parse_epub_cover(ns, tree, epub_zip, coverpath, tmp_file_path)
cover_file = parse_epub_cover(ns, tree, epub_zip, cover_path, tmp_file_path)
if not epub_metadata['title']:
title = original_file_name
@@ -114,9 +114,12 @@ 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:
cover_file = _extract_cover(epub_zip, cover_section[0], cover_path, tmp_file_path)
else:
# 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:
cover_section = tree.xpath(
@@ -143,8 +146,7 @@ def parse_epub_cover(ns, tree, epub_zip, cover_path, tmp_file_path):
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
if cover_file: break
return cover_file