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Optimize prefix insertion

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Kovid Goyal 2022-03-17 19:13:46 +05:30
parent 3f8c675690
commit 49e45e052e
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1 changed files with 13 additions and 22 deletions
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35
src/calibre/library/catalogs/epub_mobi_builder.py
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@ -1364,28 +1364,19 @@ class CatalogBuilder:
else: else:
return None return None
def format_prefix(self, prefix_char): def insert_prefix(self, soup, parent_tag, pos, prefix_char):
""" Generate HTML snippet with prefix character. """ Generate HTML snippet with prefix character.
Return a <code> snippet for Kindle, <span> snippet for EPUB. Insert a <code> snippet for Kindle, <span> snippet for EPUB.
Optimized to preserve first-column alignment for MOBI, EPUB. Optimized to preserve first-column alignment for MOBI, EPUB.
Args:
prefix_char (str): prefix character or None
Return:
(str): BeautifulSoup HTML snippet to be inserted into <p> line item entry.
""" """
prefix_char = prepare_string_for_xml(prefix_char or NBSP)
if self.opts.fmt == 'mobi': if self.opts.fmt == 'mobi':
tagname = 'code' tag = soup.new_tag('code')
html = f'<{tagname}>{prefix_char}</{tagname}>'
else: else:
tagname = 'span' tag = soup.new_tag('span')
html = f'<{tagname} class="prefix">{prefix_char}</{tagname}>' tag['class'] = 'prefix'
soup = BeautifulSoup(html) tag.append(prefix_char or NBSP)
return soup.find(tagname) parent_tag.insert(pos, tag)
def generate_author_anchor(self, author): def generate_author_anchor(self, author):
""" Generate legal XHTML anchor. """ Generate legal XHTML anchor.
@ -1566,7 +1557,7 @@ class CatalogBuilder:
pBookTag['class'] = "line_item" pBookTag['class'] = "line_item"
ptc = 0 ptc = 0
pBookTag.insert(ptc, self.format_prefix(book['prefix'])) self.insert_prefix(soup, pBookTag, ptc, book['prefix'])
ptc += 1 ptc += 1
spanTag = soup.new_tag("span") spanTag = soup.new_tag("span")
@ -1717,7 +1708,7 @@ class CatalogBuilder:
pBookTag['class'] = "line_item" pBookTag['class'] = "line_item"
ptc = 0 ptc = 0
pBookTag.insert(ptc, self.format_prefix(new_entry['prefix'])) self.insert_prefix(soup, pBookTag, ptc, new_entry['prefix'])
ptc += 1 ptc += 1
spanTag = soup.new_tag("span") spanTag = soup.new_tag("span")
@ -1769,7 +1760,7 @@ class CatalogBuilder:
pBookTag['class'] = "line_item" pBookTag['class'] = "line_item"
ptc = 0 ptc = 0
pBookTag.insert(ptc, self.format_prefix(new_entry['prefix'])) self.insert_prefix(soup, pBookTag, ptc, new_entry['prefix'])
ptc += 1 ptc += 1
spanTag = soup.new_tag("span") spanTag = soup.new_tag("span")
@ -2285,7 +2276,7 @@ class CatalogBuilder:
pBookTag['class'] = "line_item" pBookTag['class'] = "line_item"
ptc = 0 ptc = 0
pBookTag.insert(ptc, self.format_prefix(book['prefix'])) self.insert_prefix(soup, pBookTag, ptc, book['prefix'])
ptc += 1 ptc += 1
spanTag = soup.new_tag("span") spanTag = soup.new_tag("span")
@ -2418,7 +2409,7 @@ class CatalogBuilder:
ptc = 0 ptc = 0
book['prefix'] = self.discover_prefix(book) book['prefix'] = self.discover_prefix(book)
pBookTag.insert(ptc, self.format_prefix(book['prefix'])) self.insert_prefix(soup, pBookTag, ptc, book['prefix'])
ptc += 1 ptc += 1
spanTag = soup.new_tag("span") spanTag = soup.new_tag("span")
@ -2577,7 +2568,7 @@ class CatalogBuilder:
pBookTag['class'] = "line_item" pBookTag['class'] = "line_item"
ptc = 0 ptc = 0
pBookTag.insert(ptc, self.format_prefix(book['prefix'])) self.insert_prefix(soup, pBookTag, ptc, book['prefix'])
ptc += 1 ptc += 1
spanTag = soup.new_tag("span") spanTag = soup.new_tag("span")