django1/django/contrib/gis/geos/factory.py

26 lines
792 B
Python

from django.contrib.gis.geos.geometry import GEOSGeometry, wkt_regex, hex_regex
from django.utils import six
def fromfile(file_h):
"""
Given a string file name, returns a GEOSGeometry. The file may contain WKB,
WKT, or HEX.
"""
# If given a file name, get a real handle.
if isinstance(file_h, six.string_types):
with open(file_h, 'rb') as file_h:
buf = file_h.read()
else:
buf = file_h.read()
# If we get WKB need to wrap in buffer(), so run through regexes.
if wkt_regex.match(buf) or hex_regex.match(buf):
return GEOSGeometry(buf)
else:
return GEOSGeometry(buffer(buf))
def fromstr(string, **kwargs):
"Given a string value, returns a GEOSGeometry object."
return GEOSGeometry(string, **kwargs)