#
import os
import cStringIO
-import re
import copy
from lxml import etree
-from librarian.parser import WLDocument
-from librarian import XHTMLNS, ParseError
+from librarian import XHTMLNS, ParseError, OutputFile
from librarian import functions
from lxml.etree import XMLSyntaxError, XSLTApplyError
def html_has_content(text):
return etree.ETXPath('//p|//{%(ns)s}p|//h1|//{%(ns)s}h1' % {'ns': str(XHTMLNS)})(text)
-def transform(input, output_filename=None, is_file=True, \
- parse_dublincore=True, stylesheet='legacy', options={}, flags=None):
- """Transforms file input_filename in XML to output_filename in XHTML.
+def transform(wldoc, stylesheet='legacy', options=None, flags=None):
+ """Transforms the WL document to XHTML.
If output_filename is None, returns an XML,
otherwise returns True if file has been written,False if it hasn't.
style_filename = get_stylesheet(stylesheet)
style = etree.parse(style_filename)
- if is_file:
- document = WLDocument.from_file(input, True, \
- parse_dublincore=parse_dublincore)
- else:
- document = WLDocument.from_string(input, True, \
- parse_dublincore=parse_dublincore)
+ document = copy.deepcopy(wldoc)
+ del wldoc
+ document.swap_endlines()
if flags:
for flag in flags:
document.clean_ed_note()
+ if not options:
+ options = {}
result = document.transform(style, **options)
del document # no longer needed large object :)
add_anchors(result.getroot())
add_table_of_contents(result.getroot())
- if output_filename is not None:
- result.write(output_filename, method='html', xml_declaration=False, pretty_print=True, encoding='utf-8')
- else:
- return result
- return True
+ return OutputFile.from_string(etree.tostring(result, method='html',
+ xml_declaration=False, pretty_print=True, encoding='utf-8'))
else:
- if output_filename is not None:
- return False
- else:
- return "<empty />"
+ return None
except KeyError:
raise ValueError("'%s' is not a valid stylesheet.")
except (XMLSyntaxError, XSLTApplyError), e:
open_fragments = {}
closed_fragments = {}
- for event, element in etree.iterparse(input_filename, events=('start', 'end')):
+ # iterparse would die on a HTML document
+ parser = etree.HTMLParser(encoding='utf-8')
+ buf = cStringIO.StringIO()
+ buf.write(etree.tostring(etree.parse(input_filename, parser).getroot()[0][0], encoding='utf-8'))
+ buf.seek(0)
+
+ for event, element in etree.iterparse(buf, events=('start', 'end')):
# Process begin and end elements
if element.get('class', '') in ('theme-begin', 'theme-end'):
if not event == 'end': continue # Process elements only once, on end event
# Process all elements except begin and end
else:
# Omit annotation tags
- if len(element.get('name', '')) or element.get('class', '') == 'annotation':
+ if (len(element.get('name', '')) or
+ element.get('class', '') in ('annotation', 'anchor')):
if event == 'end' and element.tail:
for fragment_id in open_fragments:
open_fragments[fragment_id].append('text', element.tail)
if any_ancestor(element, lambda e: e.get('id') in ('footnotes',) or e.get('class') in ('person-list',)):
continue
+ element_text = etree.tostring(element, method='text',
+ encoding=unicode).strip()
if element.tag == 'h3' and len(sections) and sections[-1][1] == 'h2':
- sections[-1][3].append((counter, element.tag, ''.join(element.xpath('text()')), []))
+ sections[-1][3].append((counter, element.tag, element_text, []))
else:
- sections.append((counter, element.tag, ''.join(element.xpath('text()')), []))
+ sections.append((counter, element.tag, element_text, []))
add_anchor(element, "s%d" % counter, with_link=False)
counter += 1
root.insert(0, toc)
+
+def extract_annotations(html_path):
+ """For each annotation, yields a tuple: anchor, text, html."""
+ parser = etree.HTMLParser(encoding='utf-8')
+ tree = etree.parse(html_path, parser)
+ footnotes = tree.find('//*[@id="footnotes"]')
+ if footnotes is not None:
+ for footnote in footnotes.findall('div'):
+ anchor = footnote.find('a[@name]').get('name')
+ del footnote[:2]
+ text_str = etree.tostring(footnote, method='text', encoding='utf-8').strip()
+ html_str = etree.tostring(footnote, method='html', encoding='utf-8')
+ yield anchor, text_str, html_str
+