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- 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)
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