def add_anchor_lower_id(html, anchor_link_text="¶"):
from xml.etree.cElementTree import Element
from defusedxml import cElementTree as ElementTree
from ipython_genutils import py3compat
from nbconvert.filters.strings import _convert_header_id, html2text
try:
h = ElementTree.fromstring(
py3compat.cast_bytes_py2(html, encoding="utf-8"))
except Exception:
# failed to parse, just return it unmodified
return html
link = _convert_header_id(html2text(h))
h.set("id", slugify(link))
a = Element("a", {"class": "anchor-link", "href": "#" + link})
try:
# Test if the anchor link text is HTML (e.g. an image)
a.append(ElementTree.fromstring(anchor_link_text))
except Exception:
# If we fail to parse, assume we've just got regular text
a.text = anchor_link_text
h.append(a)
# Known issue of Python3.x, ElementTree.tostring() returns a byte string
# instead of a text string. See issue http://bugs.python.org/issue10942
# Workaround is to make sure the bytes are casted to a string.
return py3compat.decode(ElementTree.tostring(h), "utf-8")
def add_anchor(html, anchor_link_text=u'¶'):
"""Add an id and an anchor-link to an html header
For use on markdown headings
"""
try:
h = ElementTree.fromstring(
py3compat.cast_bytes_py2(html, encoding='utf-8'))
except Exception:
# failed to parse, just return it unmodified
return html
link = _convert_header_id(html2text(h))
h.set('id', link)
a = Element("a", {"class": "anchor-link", "href": "#" + link})
try:
# Test if the anchor link text is HTML (e.g. an image)
a.append(ElementTree.fromstring(anchor_link_text))
except Exception:
# If we fail to parse, assume we've just got regular text
a.text = anchor_link_text
h.append(a)
# Known issue of Python3.x, ElementTree.tostring() returns a byte string
# instead of a text string. See issue http://bugs.python.org/issue10942
# Workaround is to make sure the bytes are casted to a string.
return py3compat.decode(ElementTree.tostring(h), 'utf-8')
def _RetrievePlacemarks(self, xml_data):
"""Retrieve placemarks from xml data.
Args:
xml_data: Query results from the Google Places database.
Returns:
xmlstr: XML with placemarks.
total_placemarks: Total no. of placemarks.
"""
xmlstr = ""
total_results = 0
# Perform XML parsing using cElementTree.
root = ET.parse(xml_data).getroot()
for element in root:
if element.tag == "result":
# Rename "result" tags as "Placemark" as per KML(XML) requirements.
element.tag = "Placemark"
for subelement in element[:]:
# For the sake of simplicity, we presently look for
# "name", "geometry", "icon", "vicinity" tags only in the
# response and ignore the others.
if subelement.tag not in self._reqd_tags:
element.remove(subelement)
continue
if subelement.tag == "geometry":
# Extract latitude and longitude coordinates.
lat = subelement.find("location").find("lat").text
lng = subelement.find("location").find("lng").text
# Add "Point" and "coordinates" tags to element.
point = ET.SubElement(element, "Point")
coords = ET.SubElement(point, "coordinates")
coords.text = "%s, %s" % (lng, lat)
element.remove(subelement)
# Rename "vicinity" and "icon" tags to
# "snippet" and "description" as per naming convention
# being followed in existing Search Services.
elif subelement.tag == "vicinity":
subelement.tag = "snippet"
elif subelement.tag == "icon":
subelement.tag = "description"
xmlstr += ET.tostring(element, method="xml")
total_results += 1
return (xmlstr, total_results)
def add_anchor(html, anchor_link_text=u'¶'):
"""Add an id and an anchor-link to an html header
For use on markdown headings
"""
try:
h = ElementTree.fromstring(py3compat.cast_bytes_py2(html, encoding='utf-8'))
except Exception:
# failed to parse, just return it unmodified
return html
link = _convert_header_id(html2text(h))
h.set('id', link)
a = Element("a", {"class" : "anchor-link", "href" : "#" + link})
a.text = anchor_link_text
h.append(a)
# Known issue of Python3.x, ElementTree.tostring() returns a byte string
# instead of a text string. See issue http://bugs.python.org/issue10942
# Workaround is to make sure the bytes are casted to a string.
return py3compat.decode(ElementTree.tostring(h), 'utf-8')
def element_to_string(element,
include_declaration=True,
encoding=DEFAULT_ENCODING,
method='xml'):
""" :return: the string value of the element or element tree """
if isinstance(element, ElementTree):
element = element.getroot()
elif not isinstance(element, ElementType):
element = get_element(element)
if element is None:
return u''
element_as_string = tostring(element, encoding,
method).decode(encoding=encoding)
if include_declaration:
return element_as_string
else:
return strip_xml_declaration(element_as_string)
