def import_blocks_from_shapefiles(edges, featnames, faces, place, city=None,
fix_cities=False, regenerate_intersections=True,
reset=False,
):
# File args are paths to zip files.
outdir = mkdtemp(suffix='-block-shapefiles')
try:
try:
for path in (edges, featnames, faces, place):
ZipFile(path, 'r').extractall(outdir)
except Exception:
# TODO: display error in UI
logger.exception('Extracting zipfile failed')
raise
edges = glob.glob(os.path.join(outdir, '*edges.shp'))[0]
featnames = glob.glob(os.path.join(outdir, '*featnames.dbf'))[0]
faces = glob.glob(os.path.join(outdir, '*faces.dbf'))[0]
place = glob.glob(os.path.join(outdir, '*place*.shp'))[0]
tiger = TigerImporter(
edges,
featnames,
faces,
place,
filter_city=city,
fix_cities=fix_cities,
reset=reset,
)
num_created = tiger.save()
finally:
shutil.rmtree(outdir)
if regenerate_intersections:
populate_streets_task()
return num_created
def import_blocks_from_shapefiles(
edges, featnames, faces, place, city=None, fix_cities=False, regenerate_intersections=True
):
# File args are paths to zip files.
outdir = mkdtemp(suffix="-block-shapefiles")
try:
for path in (edges, featnames, faces, place):
ZipFile(path, "r").extractall(outdir)
except:
# TODO: display error in UI
logger.exception("Extracting zipfile failed")
shutil.rmtree(outdir)
raise
finally:
os.unlink(edges)
os.unlink(featnames)
os.unlink(faces)
os.unlink(place)
try:
edges = glob.glob(os.path.join(outdir, "*edges.shp"))[0]
featnames = glob.glob(os.path.join(outdir, "*featnames.dbf"))[0]
faces = glob.glob(os.path.join(outdir, "*faces.dbf"))[0]
place = glob.glob(os.path.join(outdir, "*place.shp"))[0]
tiger = TigerImporter(edges, featnames, faces, place, filter_city=city, fix_cities=fix_cities)
num_created = tiger.save()
finally:
shutil.rmtree(outdir)
if regenerate_intersections:
populate_streets_task()
return num_created
def import_blocks(self):
# Now we load the blocks table.
print "Importing blocks, this may take several minutes ..."
importer = TigerImporter(
'%s/%s.shp' % (self.zip_dir, self.datafiles['edges']['file_name']),
'%s/%s.dbf' % (self.zip_dir, self.datafiles['featnames']['file_name']),
'%s/%s.dbf' % (self.zip_dir, self.datafiles['faces']['file_name']),
'%s/%s.shp' % (self.zip_dir, self.datafiles['place']['file_name']),
fix_cities=True,
encoding='utf8',
filter_bounds=self.county_location.location)
num_created, num_updated = importer.save()
print "Created %d blocks, updated %d" % (num_created, num_updated)
def import_blocks_from_shapefiles(edges,
featnames,
faces,
place,
city=None,
fix_cities=False,
regenerate_intersections=True):
# File args are paths to zip files.
outdir = mkdtemp(suffix='-block-shapefiles')
try:
for path in (edges, featnames, faces, place):
ZipFile(path, 'r').extractall(outdir)
except:
# TODO: display error in UI
log_exception()
shutil.rmtree(outdir)
raise
finally:
os.unlink(edges)
os.unlink(featnames)
os.unlink(faces)
os.unlink(place)
try:
edges = glob.glob(os.path.join(outdir, '*edges.shp'))[0]
featnames = glob.glob(os.path.join(outdir, '*featnames.dbf'))[0]
faces = glob.glob(os.path.join(outdir, '*faces.dbf'))[0]
place = glob.glob(os.path.join(outdir, '*place.shp'))[0]
tiger = TigerImporter(
edges,
featnames,
faces,
place,
filter_city=city,
fix_cities=fix_cities,
)
num_created = tiger.save()
finally:
shutil.rmtree(outdir)
if regenerate_intersections:
populate_streets_task()
return num_created
