def import_from_hcal(self, url):
if not self.has_ical_support():
return "Calendaring product not installed."
import os
import Globals
# lxml.etree introduces a new class, lxml.etree.XSLT.
# The class can be given an ElementTree object to construct an
# XSLT transformer:
from lxml import etree
f = os.path.join(Globals.package_home(globals()), 'xhtml2vcal.xsl')
xslt_doc = etree.parse(f)
transform = etree.XSLT(xslt_doc)
# You can then run the transformation on an ElementTree
# document by simply calling it, and this results in another
# ElementTree object:
remote_page = urllib2.urlopen(url)
parsed_page = etree.parse(remote_page)
result = transform.apply(parsed_page)
ical = StringIO(transform.tostring(result))
ct = getToolByName(self.context, 'portal_calendar')
items = ct.importCalendar(ical, dest=self.context, do_action=True)
return _(u"%s items imported") % len(items)
def importFormHandler(self):
if self.request.get('file') is not None:
ct = getToolByName(self.context, 'portal_calendar')
items = ct.importCalendar(self.request.get('file'),
dest=self.context, do_action=True)
self.request.portal_status_message = _(u"%s items imported") \
% len(items)
if self.request.get('url') is not None:
self.request.portal_status_message = \
self.import_from_url(self.request.get('url'))
def import_from_url(self, url):
if not self.has_ical_support():
return "Calendaring product not installed."
res = urllib2.urlopen(url)
text = '\n'.join(res.readlines())
# Make sure it really is UTF8, to avoid failure later:
try:
text.decode('utf8')
except UnicodeDecodeError:
try:
# Maybe it's Latin-1? That's a break of specs,
# but a common one.
text = text.decode('latin1')
# Yup, sure is. Re-encode as utf8:
text = text.encode('utf8', 'replace')
except UnicodeDecodeError:
# We have no idea, what this is, so lets just reencode it
# as UTF8 and replace everything weird with <?>.
text = text.encode('utf8', 'replace').encode('utf8', 'replace')
ical = StringIO(text)
ct = getToolByName(self.context, 'portal_calendar')
items = ct.importCalendar(ical, dest=self.context, do_action=True)
return _(u"%s items imported") % len(items)
