def load_osm_boundary(filename):
"""Loads a boundary relation from an OSM file. The file must also
contain all the nodes and way used by the boundary. Only the first boundary
is read."""
reporting = Reporting()
elem_count = count_elements(filename, "node")
elem_count += count_elements(filename, "way")
elem_count += 1
reporting.progress_start(u"Ładuję %s" % (filename,), elem_count)
nodes = []
ways = []
relation = None
for event, elem in ElementTree.iterparse(filename):
if event != 'end':
continue
if elem.tag == 'node':
nodes.append(elem)
elif elem.tag == 'way':
ways.append(elem)
elif elem.tag == 'relation' and not relation:
relation = elem
else:
continue
reporting.progress()
reporting.progress_stop()
if not relation:
reproting.output_msg("errors", u"Nie znaleziono relacji")
raise ValueError, "Relation not found"
reporting.output_msg("stats", u"Załadowano relację, %i dróg i %i węzłów."
% (len(ways), len(nodes)))
boundary = OSM_Boundary(relation, ways, nodes)
return boundary
def load_terc():
reporting = Reporting()
row_count = count_elements("data/TERC.xml", "row")
reporting.progress_start(u"Ładowanie data/TERC.xml", row_count)
for event, elem in ElementTree.iterparse("data/TERC.xml"):
if event == 'end' and elem.tag == 'row':
load_terc_object(elem)
reporting.progress()
reporting.progress_stop()
reporting.output_msg("stats", u"Załadowano %i województw, %i powiatów i %i gmin" % (
Wojewodztwo.count(), Powiat.count(), Gmina.count()))
def load_simc():
load_wmrodz()
reporting = Reporting()
row_count = count_elements("data/SIMC.xml", "row")
reporting.progress_start(u"Ładowanie data/SIMC.xml", row_count)
for event, elem in ElementTree.iterparse("data/SIMC.xml"):
if event == 'end' and elem.tag == 'row':
SIMC_Place.from_element(elem)
reporting.progress()
reporting.progress_stop()
reporting.output_msg("stats", u"Załadowano %i miejscowości" % (SIMC_Place.count(),))
SIMC_Place.link_parents()
def load_osm():
reporting = Reporting()
row_count = count_elements("data/data.osm", "node")
reporting.progress_start(u"Ładuję data/data.osm", row_count)
for event, elem in ElementTree.iterparse("data/data.osm"):
if event == 'end' and elem.tag == 'node':
osm_place = OSM_Place(elem)
reporting.progress()
reporting.progress_stop()
reporting.output_msg("stats", u"Załadowano %i miejsc."
u"Dopasowano %i województw, %i powiatów i %i gmin." % (
OSM_Place.count(), OSM_Place.woj_matched,
OSM_Place.pow_matched, OSM_Place.gmi_matched))
