def fix_iecc(orig_html, rendered_html):
first_dlh_end = orig_html.find("<![endif]-->")
first_dlr_end = orig_html.find("<![endif]>")
if first_dlh_end == -1 and first_dlr_end == -1:
print "No IECCs found -- aborting"
return rendered_html
if first_dlr_end != -1:
print "Warning! Use of downlevel-revealed IECC -- aborting"
return rendered_html
iecc_start = "<!--\[if [^\]]*\]>"
iecc_end = "<!\[endif\]-->"
start_re = re.compile(iecc_start)
end_re = re.compile(iecc_end)
starts = [m for m in start_re.finditer(orig_html)]
ends = [m for m in end_re.finditer(orig_html)]
print "Starts:", len(starts)
print "Ends:", len(ends)
pairs = zip(starts, ends)
inner_blocks = []
for start, end in pairs:
inner_block = orig_html[start.end():end.start()]
inner_blocks.append(inner_block)
ccs = zip(starts, inner_blocks, ends)
cc_has_style = lambda cc: cc[1].find('.css')!=-1
cc_has_js = lambda cc: cc[1].lower().find('<script') != -1
print "There are", len(ccs), "conditional comments\n"
if filter(cc_has_js,ccs):
print "Warning! Mixed css and JS in a CC. -- aborting"
return rendered_html
replacement_text = []
for (startm, insides, endm) in ccs:
replacement_text.append(startm.group() + insides + endm.group())
replaced = False
replacement_text = ''.join(replacement_text)
print "Replacement text:", replacement_text, "\n\n"
for (startm, insides, endm) in ccs:
print "Deleting instances of:", insides, '\n\n'
insides_re_str = re.escape(insides)
insides_re_str = insides_re_str.replace('"', '"?') #for IE weirdness
insides_re = re.compile(insides_re_str, re.IGNORECASE | re.VERBOSE)
if re.search(insides_re, rendered_html):
print "Found!"
if replaced:
rendered_html = re.sub(insides_re, '', rendered_html)
else:
rendered_html = re.sub(insides_re, lambda x:replacement_text, rendered_html)
replaced=True
if not replaced:
from flowgram.core.helpers import insert_in_head
return insert_in_head(rendered_html, replacement_text)
return rendered_html
def add_base_target(html, url, target="_top"):
base_tag = '<base target="%s"></base>' % target
return (insert_in_head(html, base_tag), url)
def add_base(html, url):
# print "add base called"
base_href = url_base(url)
base_tag = '<base href="%s"></base>' % base_href
return (insert_in_head(html, base_tag), url)
def add_topdog_fix(html, url):
return (insert_in_head(html, '<script type="text/javascript">var top = window;</script>'), url)
