from django.contrib.gis.geos.geometry import GEOSGeometry, hex_regex, wkt_regex 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, str): 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 memoryview(), so run through regexes. if isinstance(buf, bytes): try: decoded = buf.decode() except UnicodeDecodeError: pass else: if wkt_regex.match(decoded) or hex_regex.match(decoded): return GEOSGeometry(decoded) else: return GEOSGeometry(buf) return GEOSGeometry(memoryview(buf)) def fromstr(string, **kwargs): "Given a string value, return a GEOSGeometry object." return GEOSGeometry(string, **kwargs)