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14 lines
677 B
Python
14 lines
677 B
Python
5 years ago
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import re
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# Regular expression for recognizing HEXEWKB and WKT. A prophylactic measure
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# to prevent potentially malicious input from reaching the underlying C
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# library. Not a substitute for good Web security programming practices.
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hex_regex = re.compile(r'^[0-9A-F]+$', re.I)
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wkt_regex = re.compile(r'^(SRID=(?P<srid>\-?\d+);)?'
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r'(?P<wkt>'
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r'(?P<type>POINT|LINESTRING|LINEARRING|POLYGON|MULTIPOINT|'
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r'MULTILINESTRING|MULTIPOLYGON|GEOMETRYCOLLECTION)'
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r'[ACEGIMLONPSRUTYZ\d,\.\-\+\(\) ]+)$',
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re.I)
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json_regex = re.compile(r'^(\s+)?\{.*}(\s+)?$', re.DOTALL)
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