%PDF-
%PDF-
Mini Shell
Mini Shell
import re
from lxml.html import tostring
import lxml.html
from calibre.ebooks.readability.cleaners import normalize_spaces, clean_attributes
from calibre.ebooks.chardet import xml_to_unicode
from polyglot.builtins import iteritems
def build_doc(page):
page_unicode = xml_to_unicode(page, strip_encoding_pats=True)[0]
doc = lxml.html.document_fromstring(page_unicode)
return doc
def js_re(src, pattern, flags, repl):
return re.compile(pattern, flags).sub(src, repl.replace('$', '\\'))
def normalize_entities(cur_title):
entities = {
'\u2014':'-',
'\u2013':'-',
'—': '-',
'–': '-',
'\u00A0': ' ',
'\u00AB': '"',
'\u00BB': '"',
'"': '"',
}
for c, r in iteritems(entities):
if c in cur_title:
cur_title = cur_title.replace(c, r)
return cur_title
def norm_title(title):
return normalize_entities(normalize_spaces(title))
def get_title(doc):
try:
title = doc.find('.//title').text
except AttributeError:
title = None
if not title:
return '[no-title]'
return norm_title(title)
def add_match(collection, text, orig):
text = norm_title(text)
if len(text.split()) >= 2 and len(text) >= 15:
if text.replace('"', '') in orig.replace('"', ''):
collection.add(text)
def shorten_title(doc):
title = doc.find('.//title').text
if not title:
return ''
title = orig = norm_title(title)
candidates = set()
for item in ['.//h1', './/h2', './/h3']:
for e in list(doc.iterfind(item)):
if e.text:
add_match(candidates, e.text, orig)
if e.text_content():
add_match(candidates, e.text_content(), orig)
for item in [
"descendant-or-self::*[@id = 'title']",
"descendant-or-self::*[@id = 'head']",
"descendant-or-self::*[@id = 'heading']",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' pageTitle ')]",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' news_title ')]",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' title ')]",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' head ')]",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' heading ')]",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' contentheading ')]",
"descendant-or-self::*[@class and contains(concat(' ', normalize-space(@class), ' '), ' small_header_red ')]"
]:
for e in doc.xpath(item):
if e.text:
add_match(candidates, e.text, orig)
if e.text_content():
add_match(candidates, e.text_content(), orig)
if candidates:
title = sorted(candidates, key=len)[-1]
else:
for delimiter in [' | ', ' - ', ' :: ', ' / ']:
if delimiter in title:
parts = orig.split(delimiter)
if len(parts[0].split()) >= 4:
title = parts[0]
break
elif len(parts[-1].split()) >= 4:
title = parts[-1]
break
else:
if ': ' in title:
parts = orig.split(': ')
if len(parts[-1].split()) >= 4:
title = parts[-1]
else:
title = orig.split(': ', 1)[1]
if not 15 < len(title) < 150:
return orig
return title
def get_body(doc):
[elem.drop_tree() for elem in doc.xpath('.//script | .//link | .//style')]
raw_html = str(tostring(doc.body or doc))
return clean_attributes(raw_html)
Zerion Mini Shell 1.0