from lxml import etree
from librarian import XHTMLNS, ParseError, OutputFile
from librarian import functions
+from PIL import Image
from lxml.etree import XMLSyntaxError, XSLTApplyError
import six
return re.sub('</?blockquote[^>]*>', '', html)
-def transform(wldoc, stylesheet='legacy', options=None, flags=None, css=None):
+def add_image_sizes(tree, gallery_path, gallery_url):
+ widths = [360, 600, 1200, 1800]
+ for ilustr in tree.findall('//ilustr'):
+ rel_path = ilustr.attrib['src']
+ img = Image.open(gallery_path + rel_path)
+ srcset = []
+ for w in widths:
+ if w < img.size[0]:
+ height = round(img.size[1] * w / img.size[0])
+ th = img.resize((w, height))
+
+ fname = ('.W%d.' % w).join(rel_path.rsplit('.', 1))
+ th.save(gallery_path + fname)
+ srcset.append(" ".join((
+ gallery_url + fname,
+ '%dw' % w
+ )))
+ srcset.append(" ".join((
+ gallery_url + rel_path,
+ '%dw' % img.size[0]
+ )))
+ ilustr.attrib['srcset'] = ", ".join(srcset)
+ ilustr.attrib['src'] = gallery_url + rel_path
+
+
+def transform(wldoc, stylesheet='legacy', options=None, flags=None, css=None, gallery_path='img/', gallery_url='img/'):
"""Transforms the WL document to XHTML.
If output_filename is None, returns an XML,
if not options:
options = {}
- options.setdefault('gallery', "''")
+
+ add_image_sizes(document.edoc, gallery_path, gallery_url)
css = (
css