-
Notifications
You must be signed in to change notification settings - Fork 5
/
listingblock.py
83 lines (64 loc) · 2.39 KB
/
listingblock.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
from ftw.book.interfaces import IBookFileListingBlock
from ftw.book.latex import utils
from ftw.pdfgenerator.view import MakoLaTeXView
from StringIO import StringIO
from zope.component import adapts
from zope.interface import Interface
import lxml.etree
import lxml.html
import re
# widths are in %
COLUMN_WIDTHS = {'col-modified': 12,
'col-Creator': 15,
'col-getObjSize': 10}
def parsed_html(func):
def parser(html):
html = '<div>%s</div>' % html
doc = lxml.html.parse(StringIO(html))
func(doc)
html = lxml.html.tostring(doc.xpath('//body/div')[0])
return re.sub(r'^<div>(.*)</div>$', '\g<1>', html, flags=re.DOTALL)
return parser
@parsed_html
def remove_html_links(doc):
lxml.etree.strip_tags(doc, 'a')
@parsed_html
def remove_table_summary(doc):
for table in doc.xpath('//table'):
if 'summary' in table.attrib:
del table.attrib['summary']
@parsed_html
def remove_table_caption(doc):
lxml.etree.strip_tags(doc, 'caption')
@parsed_html
def add_table_column_widths(doc):
for table in doc.xpath('//table'):
no_width = []
remaining_width = 100
for col in table.xpath('//col'):
if 'class' in col.attrib and \
col.attrib['class'] in COLUMN_WIDTHS:
width = COLUMN_WIDTHS[col.attrib['class']]
col.attrib['width'] = '%i%%' % width
remaining_width -= width
else:
no_width.append(col)
width_per_column = int(remaining_width / len(no_width))
for col in no_width:
col.attrib['width'] = '%i%%' % width_per_column
class ListingBlockLaTeXView(MakoLaTeXView):
adapts(IBookFileListingBlock, Interface, Interface)
def render(self):
latex = []
if self.context.show_title:
latex.append(utils.get_latex_heading(self.context, self.layout))
latex.append(self.table_latex())
return '\n'.join(latex)
def table_latex(self):
view = self.context.restrictedTraverse('block_view')
table_html = view.render_table(ignore_columns=('getContentType',))
table_html = remove_html_links(table_html)
table_html = remove_table_summary(table_html)
table_html = remove_table_caption(table_html)
table_html = add_table_column_widths(table_html)
return self.convert(table_html)