</rodelbahn>
</wrmap>
'''
- attributes, json = wrpylib.wrmwmarkup.parse_wrmap(wikitext)
- assert attributes['lon'] == 11.21408895
- assert attributes['lat'] == 47.2417134
- assert attributes['zoom'] == 14
- assert attributes['width'] == 700
- assert attributes['height'] == 400
- assert json['features'][0]['properties']['type'] == 'inn'
+ json = wrpylib.wrmwmarkup.parse_wrmap(wikitext)
+ assert json['properties']['lon'] == 11.21408895
+ assert json['properties']['lat'] == 47.2417134
+ assert json['properties']['zoom'] == 14
+ assert json['properties']['width'] == 700
+ assert json['properties']['height'] == 400
+ assert json['features'][0]['properties']['type'] == 'gasthaus'
assert json['features'][0]['properties']['name'] == u'Rosskogelhütte'
assert json['features'][0]['properties']['wiki'] == u'Rosskogelhütte'
assert json['features'][0]['geometry']['coordinates'] == [11.190454, 47.240689]
- assert json['features'][1]['properties']['type'] == 'carpark'
+ assert json['features'][1]['properties']['type'] == 'parkplatz'
assert json['features'][1]['geometry']['coordinates'] == [11.238971, 47.245789]
- assert json['features'][2]['properties']['type'] == 'busstop'
+ assert json['features'][2]['properties']['type'] == 'haltestelle'
assert json['features'][2]['properties']['name'] == u'Oberperfuss Rangger Köpfl Lift'
assert json['features'][2]['geometry']['coordinates'] == [11.238283, 47.245711]
- assert json['features'][3]['properties']['type'] == 'sledrun'
+ assert json['features'][3]['properties']['type'] == 'rodelbahn'
assert json['features'][3]['geometry']['coordinates'] == [
[11.203360, 47.238587],
[11.230868, 47.244951],
'type': 'FeatureCollection',
'features':
[{
- 'type': 'feature',
+ 'type': 'Feature',
'geometry': {
'type': 'Point',
'coordinates': [11.190454, 47.240689]},
'properties': {'type': 'inn', 'name': u'Rosskogelhütte', 'wiki': u'Rosskogelhütte'}
}, {
- 'type': 'feature',
+ 'type': 'Feature',
'geometry': {
'type': 'Point',
'coordinates': [11.238971, 47.245789]},
'properties': {'type': 'carpark'}
}, {
- 'type': 'feature',
+ 'type': 'Feature',
'geometry': {
'type': 'Point',
'coordinates': [11.238283, 47.245711]},
'properties': {'type': 'busstop', 'name': u'Oberperfuss Rangger Köpfl Lift'}
}, {
- 'type': 'feature',
+ 'type': 'Feature',
'geometry': {
'type': 'LineString',
'coordinates': [
import wrpylib.wrvalidators
import wrpylib.mwmarkup
-WRMAP_POINT_TYPE = {'gasthaus': 'inn', 'haltestelle': 'busstop', 'parkplatz': 'carpark', 'achtung': 'attention', 'punkt': 'point'}
-WRMAP_LINE_TYPE = {'rodelbahn': 'sledrun', 'gehweg': 'walk', 'alternative': 'alternative', 'lift': 'lift', 'linie': 'line'}
+WRMAP_POINT_TYPES = ['gasthaus', 'haltestelle', 'parkplatz', 'achtung', 'punkt']
+WRMAP_LINE_TYPE = ['rodelbahn', 'gehweg', 'alternative', 'lift', 'linie']
+
+
+class ParseError(RuntimeError):
+ """Exception used by some of the functions"""
+ pass
+
def _conv(fnct, value, fieldname):
"""Internal function.
def parse_wrmap(wikitext):
"""Parses the (unicode) u'<wrmap ...>content</wrmap>' of the Winterrodeln wrmap extension
- out of a page. If wikitext does not contain the googlemaps extension text None is returned.
- If the googlemap contains invalid formatted lines, a RuntimeError is raised.
+ out of a page. If wikitext does not contain the wrmap extension text None is returned.
+ If the wrmap contains invalid formatted lines, a ParseError is raised.
:param wikitext: wikitext containing the template. Example:
</rodelbahn>
</wrmap>
'''
- :returns: (attributes, GeoJSON as Python datatypes)
+ :returns: GeoJSON as nested Python datatype
"""
# parse XML
try:
wrmap_xml = xml.etree.ElementTree.fromstring(wikitext.encode('utf-8'))
except xml.etree.ElementTree.ParseError as e:
row, column = e.position
- raise RuntimeError("XML parse error on row {}, column {}: {}".format(row, column, e))
- # assert(in_array($tagname, array('wrmap', 'wrgmap'))); # TODO
+ raise ParseError("XML parse error on row {}, column {}: {}".format(row, column, e))
+ if wrmap_xml.tag not in ['wrmap', 'wrgmap']:
+ raise ParseError('No valid tag name')
# convert XML to geojson (http://www.geojson.org/geojson-spec.html)
json_features = []
for feature in wrmap_xml:
# determine feature type
- is_point = WRMAP_POINT_TYPE.has_key(feature.tag)
- is_line = WRMAP_LINE_TYPE.has_key(feature.tag)
+ is_point = feature.tag in WRMAP_POINT_TYPE
+ is_line = feature.tag in WRMAP_LINE_TYPE
if (not is_point and not is_line):
- raise RuntimeError('Unknown element <{}>.'.format(feature.tag))
+ raise ParseError('Unknown element <{}>.'.format(feature.tag))
# point
if is_point:
- properties = {'type': WRMAP_POINT_TYPE[feature.tag]}
+ properties = {'type': feature.tag}
allowed_properties = set(['name', 'wiki'])
wrong_properties = set(feature.attrib.keys()) - allowed_properties
if len(wrong_properties) > 0:
- raise RuntimeError("The attribute '{}' is not allowed at <{}>.".format(list(wrong_properties)[0], feature.tag))
+ raise ParseError("The attribute '{}' is not allowed at <{}>.".format(list(wrong_properties)[0], feature.tag))
properties.update(feature.attrib)
coordinates = parse_wrmap_coordinates(feature.text)
if len(coordinates) != 1:
- raise RuntimeError('The element <{}> has to have exactly one coordinate pair.'.format(feature.tag))
+ raise ParseError('The element <{}> has to have exactly one coordinate pair.'.format(feature.tag))
json_features.append({
- 'type': 'feature',
+ 'type': 'Feature',
'geometry': {'type': 'Point', 'coordinates': coordinates[0]},
'properties': properties})
# line
if is_line:
- properties = {'type': WRMAP_LINE_TYPE[feature.tag]}
+ properties = {'type': feature.tag}
allowed_properties = set(['farbe', 'dicke'])
wrong_properties = set(feature.attrib.keys()) - allowed_properties
if len(wrong_properties) > 0:
- raise RuntimeError("The attribute '{}' is not allowed at <{}>.".format(list(wrong_properties)[0], feature.tag))
+ raise ParseError("The attribute '{}' is not allowed at <{}>.".format(list(wrong_properties)[0], feature.tag))
if feature.attrib.has_key('farbe'):
if not re.match('#[0-9a-fA-F]{6}$', feature.attrib['farbe']):
- raise RuntimeError('The attribute "farbe" has to have a format like "#a0bb43".')
+ raise ParseError('The attribute "farbe" has to have a format like "#a0bb43".')
properties['strokeColor'] = feature.attrib['farbe'] # e.g. #a200b7
if feature.attrib.has_key('dicke'):
try:
properties['strokeWidth'] = int(feature.attrib['dicke']) # e.g. 6
except ValueError:
- raise RuntimeError('The attribute "dicke" has to be an integer.')
+ raise ParseError('The attribute "dicke" has to be an integer.')
json_features.append({
- 'type': 'feature',
+ 'type': 'Feature',
'geometry': {'type': 'LineString', 'coordinates': parse_wrmap_coordinates(feature.text)},
'properties': properties})
+ # attributes
+ properties = {}
+ for k, v in wrmap_xml.attrib.iteritems():
+ if k in ['lat', 'lon']:
+ try:
+ properties[k] = float(v)
+ except ValueError:
+ raise ParseError('Attribute "{}" has to be a float value.'.format(k))
+ elif k in ['zoom', 'width', 'height']:
+ try:
+ properties[k] = int(v)
+ except ValueError:
+ raise ParseError('Attribute "{}" has to be an integer value.'.format(k))
+ else:
+ raise ParseError('Unknown attribute "{}".'.format(k))
+
geojson = {
'type': 'FeatureCollection',
- 'features': json_features}
-
- # attributes
- attributes = {}
- try:
- attributes['lat'] = float(wrmap_xml.attrib.get('lat', 47.267648)) # center lat
- except ValueError:
- raise RuntimeError('Attribute "lat" has to be a float value.')
- try:
- attributes['lon'] = float(wrmap_xml.attrib.get('lon', 11.404655)) # center lon
- except ValueError:
- raise RuntimeError('Attribute "lon" has to be a float value.')
- try:
- attributes['zoom'] = int(wrmap_xml.attrib.get('zoom', 10)) # Google Zoom Level
- except ValueError:
- raise RuntimeError('Attribute "zoom" has to be an integer value.')
- try:
- attributes['width'] = int(wrmap_xml.attrib['width']) if wrmap_xml.attrib.has_key('width') else None # None corresponds to 100%
- except ValueError:
- raise RuntimeError('Attribute "width" has to be an integer value.')
- try:
- attributes['height'] = int(wrmap_xml.attrib.get('height', 450)) # map height in px
- except ValueError:
- raise RuntimeError('Attribute "height" has to be an integer value.')
- # show_sledruns = (wrmap_xml.tag == 'wrgmap')
+ 'features': json_features,
+ 'properties': properties}
- return attributes, geojson
+ return geojson
def create_wrmap_coordinates(coords):