def test_separate_namespace(self):
"""Tests the function that separates namespaces from qualified names"""
namespace, element_name = separate_namespace('{garden}eggplant')
self.assertEqual(namespace, 'garden')
self.assertEqual(element_name, 'eggplant')
namespace, element_name = separate_namespace('eggplant')
self.assertEqual(namespace, None)
self.assertEqual(element_name, 'eggplant')
def test_separate_namespace(self):
"""Tests the function that separates namespaces from qualified names"""
from pykml.helpers import separate_namespace
namespace, element_name = separate_namespace('{garden}eggplant')
self.assertEqual(namespace, 'garden')
self.assertEqual(element_name, 'eggplant')
namespace, element_name = separate_namespace('eggplant')
self.assertEqual(namespace, None)
self.assertEqual(element_name, 'eggplant')
def convert_placemark(placemark, wp_count=0, outFile=None):
name = None
prototype = None
location = None
points = []
for elem in placemark.iterchildren():
tag = helpers.separate_namespace(elem.tag)[1]
if tag == 'name':
name, prototype, script = parse_name(elem.text)
elif tag == 'Point':
location = str.split(elem.coordinates.text, ',')
points.append('[]')
elif tag == 'LineString':
location = ['0', '0', '0']
points.append('')
for coordinate in re.split('\s+', elem.coordinates.text)[1:-1]:
wp_name = 'wp'+str(wp_count)
wp_loc = str.split(coordinate, ',')
create_entity_element(wp_name, 'waypoint', wp_loc, outFile=outFile)
wp_count += 1
points.append(wp_name)
create_entity_element(name, prototype, location, points=points, initScript=script, outFile=outFile)
return wp_count
def get_segment_data(placemark, wp_count=0, outFile=None):
name = None
points = []
for elem in placemark.iterchildren():
tag = helpers.separate_namespace(elem.tag)[1]
if tag == 'name':
name = re.sub('\s', '', elem.text)
elif tag == 'LineString':
for coordinate in re.split('\s+', elem.coordinates.text)[1:-1]:
wp_loc = str.split(coordinate, ',')
points.append(wp_loc[0:2])
return name, points
def write_python_script_for_kml_document(doc):
"Generates a python script that will construct a given KML document"
import StringIO
from pykml.helpers import separate_namespace
output = StringIO.StringIO()
indent_size = 2
# add the etree package so that comments can be handled
output.write('from lxml import etree\n')
# add the namespace declaration section
output.write('from pykml.factory import KML_ElementMaker as KML\n')
output.write('from pykml.factory import ATOM_ElementMaker as ATOM\n')
output.write('from pykml.factory import GX_ElementMaker as GX\n')
output.write('\n')
level = 0
xml = StringIO.StringIO(etree.tostring(doc))
context = etree.iterparse(xml, events=("start", "end", "comment"))
output.write('doc = ')
last_action = None
main_element_processed_flag = False
previous_list = [] # list of comments before the root element
posterior_list = [] # list of comments after the root element
for action, elem in context:
# TODO: remove the following redundant conditional
if action in ('start','end','comment'):
namespace, element_name = separate_namespace(elem.tag)
if action in ('comment'):
indent = ' ' * level * indent_size
if elem.text:
text_list = elem.text.split('\n')
if len(text_list) == 1:
text = repr(elem.text)
else: # len(text_list) > 1
# format and join all non-empty lines
text = '\n' + ''.join(
['{indent}{content}\n'.format(
indent=' '*(len(t)-len(t.lstrip())),
content=repr(t.strip() + ' ')
) for t in text_list if len(t.strip())>0
]
) + indent
else:
text = ''
if level == 0:
# store the comment so that it can be appended later
if main_element_processed_flag:
posterior_list.append("{indent}etree.Comment({comment})".format(
indent = indent,
comment = text,
))
else:
previous_list.append("{indent}etree.Comment({comment})".format(
indent = indent,
comment = text,
))
else:
output.write("{indent}etree.Comment({comment}),\n".format(
indent = indent,
comment = text,
))
elif action in ('start'):
main_element_processed_flag = True
if last_action == None:
indent = ''
else:
indent = ' ' * level * indent_size
level += 1
if elem.text:
# METHOD 1
# # treat all text string the same. this works but gets
# # messy for multi-line test strings
# text = repr(elem.text)
# METHOD 2 - format multiline strings differently
text_list = elem.text.split('\n')
if len(text_list) == 1:
text = repr(elem.text)
else: # len(text_list) > 1
# format and join all non-empty lines
text = '\n' + ''.join(
['{indent}{content}\n'.format(
indent=' '*(len(t)-len(t.lstrip())),
content=repr(t.strip() + ' ')
) for t in text_list if len(t.strip())>0
]
) + indent
else:
text = ''
output.write('{indent}{factory}.{tag}({text}\n'.format(
indent = indent,
factory = get_factory_object_name(namespace),
tag = element_name,
text = text,
))
elif action in ('end'):
level -= 1
if last_action == 'start':
output.pos -= 1
indent = ''
else:
indent = ' ' * level * indent_size
for att,val in elem.items():
output.write('{0} {1}="{2}",\n'.format(indent,att,val))
output.write('{0}),\n'.format(indent))
last_action = action
# remove the last comma
output.pos -= 2
output.truncate()
output.write('\n')
for entry in previous_list:
output.write('doc.addprevious({entry})\n'.format(
entry=entry
))
for entry in posterior_list:
output.write('doc.addnext({entry})\n'.format(
entry=entry
))
# add python code to print out the KML document
output.write('print etree.tostring(etree.ElementTree(doc),pretty_print=True)\n')
contents = output.getvalue()
output.close()
return contents
def write_python_script_for_kml_document(doc):
"Generates a python script that will construct a given KML document"
import StringIO
from pykml.helpers import separate_namespace
output = StringIO.StringIO()
indent_size = 2
# add the etree package so that comments can be handled
output.write('from lxml import etree\n')
# add the namespace declaration section
output.write('from pykml.factory import KML_ElementMaker as KML\n')
output.write('from pykml.factory import ATOM_ElementMaker as ATOM\n')
output.write('from pykml.factory import GX_ElementMaker as GX\n')
output.write('\n')
level = 0
xml = StringIO.StringIO(etree.tostring(doc))
context = etree.iterparse(xml, events=("start", "end", "comment"))
output.write('doc = ')
last_action = None
main_element_processed_flag = False
previous_list = [] # list of comments before the root element
posterior_list = [] # list of comments after the root element
for action, elem in context:
# TODO: remove the following redundant conditional
if action in ('start', 'end', 'comment'):
namespace, element_name = separate_namespace(elem.tag)
if action in ('comment'):
indent = ' ' * level * indent_size
if elem.text:
text_list = elem.text.split('\n')
if len(text_list) == 1:
text = repr(elem.text)
else: # len(text_list) > 1
# format and join all non-empty lines
text = '\n' + ''.join([
'{indent}{content}\n'.format(
indent=' ' * (len(t) - len(t.lstrip())),
content=repr(t.strip() + ' '))
for t in text_list if len(t.strip()) > 0
]) + indent
else:
text = ''
if level == 0:
# store the comment so that it can be appended later
if main_element_processed_flag:
posterior_list.append(
"{indent}etree.Comment({comment})".format(
indent=indent,
comment=text,
))
else:
previous_list.append(
"{indent}etree.Comment({comment})".format(
indent=indent,
comment=text,
))
else:
output.write("{indent}etree.Comment({comment}),\n".format(
indent=indent,
comment=text,
))
elif action in ('start'):
main_element_processed_flag = True
if last_action == None:
indent = ''
else:
indent = ' ' * level * indent_size
level += 1
if elem.text:
# METHOD 1
# # treat all text string the same. this works but gets
# # messy for multi-line test strings
# text = repr(elem.text)
# METHOD 2 - format multiline strings differently
text_list = elem.text.split('\n')
if len(text_list) == 1:
text = repr(elem.text)
else: # len(text_list) > 1
# format and join all non-empty lines
text = '\n' + ''.join([
'{indent}{content}\n'.format(
indent=' ' * (len(t) - len(t.lstrip())),
content=repr(t.strip() + ' '))
for t in text_list if len(t.strip()) > 0
]) + indent
else:
text = ''
output.write('{indent}{factory}.{tag}({text}\n'.format(
indent=indent,
factory=get_factory_object_name(namespace),
tag=element_name,
text=text,
))
elif action in ('end'):
level -= 1
if last_action == 'start':
output.pos -= 1
indent = ''
else:
indent = ' ' * level * indent_size
for att, val in elem.items():
output.write('{0} {1}="{2}",\n'.format(indent, att, val))
output.write('{0}),\n'.format(indent))
last_action = action
# remove the last comma
output.pos -= 2
output.truncate()
output.write('\n')
for entry in previous_list:
output.write('doc.addprevious({entry})\n'.format(entry=entry))
for entry in posterior_list:
output.write('doc.addnext({entry})\n'.format(entry=entry))
# add python code to print out the KML document
output.write(
'print etree.tostring(etree.ElementTree(doc),pretty_print=True)\n')
contents = output.getvalue()
output.close()
return contents