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264 lines
8.0 KiB
264 lines
8.0 KiB
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#
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# spyne - Copyright (C) Spyne contributors.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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#
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#
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# FIXME: Supports e.g.
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# MULTIPOINT (10 40, 40 30, 20 20, 30 10)
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#
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# but not:
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# MULTIPOINT ((10 40), (40 30), (20 20), (30 10))
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#
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from spyne.model import SimpleModel
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from spyne.model.primitive.string import Unicode
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FLOAT_PATTERN = r'-?[0-9]+\.?[0-9]*(e-?[0-9]+)?'
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_rinse_and_repeat = r'\s*\(%s\s*(,\s*%s)*\)\s*'
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def _get_one_point_pattern(dim):
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return ' +'.join([FLOAT_PATTERN] * dim)
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def _get_point_pattern(dim):
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return r'POINT\s*\(%s\)' % _get_one_point_pattern(dim)
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def _get_one_multipoint_pattern(dim):
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one_point = _get_one_point_pattern(dim)
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return _rinse_and_repeat % (one_point, one_point)
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def _get_multipoint_pattern(dim):
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return r'MULTIPOINT%s' % _get_one_multipoint_pattern(dim)
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def _get_one_line_pattern(dim):
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one_point = _get_one_point_pattern(dim)
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return _rinse_and_repeat % (one_point, one_point)
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def _get_linestring_pattern(dim):
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return r'LINESTRING%s' % _get_one_line_pattern(dim)
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def _get_one_multilinestring_pattern(dim):
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one_line = _get_one_line_pattern(dim)
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return _rinse_and_repeat % (one_line, one_line)
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def _get_multilinestring_pattern(dim):
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return r'MULTILINESTRING%s' % _get_one_multilinestring_pattern(dim)
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def _get_one_polygon_pattern(dim):
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one_line = _get_one_line_pattern(dim)
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return _rinse_and_repeat % (one_line, one_line)
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def _get_polygon_pattern(dim):
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return r'POLYGON%s' % _get_one_polygon_pattern(dim)
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def _get_one_multipolygon_pattern(dim):
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one_line = _get_one_polygon_pattern(dim)
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return _rinse_and_repeat % (one_line, one_line)
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def _get_multipolygon_pattern(dim):
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return r'MULTIPOLYGON%s' % _get_one_multipolygon_pattern(dim)
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class Point(Unicode):
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"""A point type whose native format is a WKT string. You can use
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:func:`shapely.wkt.loads` to get a proper point type.
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It's a subclass of the :class:`Unicode` type, so regular Unicode constraints
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apply. The only additional parameter is the number of dimensions.
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:param dim: Number of dimensons.
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"""
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__type_name__ = None
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class Attributes(Unicode.Attributes):
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dim = None
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@staticmethod
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def Value(x, y, prec=15):
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if isinstance(x, str) or isinstance(y, str):
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assert isinstance(x, str)
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assert isinstance(y, str)
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return 'POINT(%s %s)' % (x, y)
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return ('POINT(%%3.%(prec)sf %%3.%(prec)sf)' % {'prec': prec}) % (x,y)
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def __new__(cls, dim=None, **kwargs):
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assert dim in (None, 2, 3)
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if dim is not None:
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kwargs['dim'] = dim
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kwargs['pattern'] = _get_point_pattern(dim)
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kwargs['type_name'] = 'point%dd' % dim
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retval = SimpleModel.__new__(cls, **kwargs)
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retval.__namespace__ = 'http://spyne.io/schema'
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retval.__extends__ = Unicode
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retval.__orig__ = Unicode
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return retval
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class Line(Unicode):
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"""A line type whose native format is a WKT string. You can use
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:func:`shapely.wkt.loads` to get a proper line type.
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It's a subclass of the :class:`Unicode` type, so regular Unicode constraints
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apply. The only additional parameter is the number of dimensions.
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:param dim: Number of dimensons.
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"""
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__type_name__ = None
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class Attributes(Unicode.Attributes):
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dim = None
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def __new__(cls, dim=None, **kwargs):
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assert dim in (None, 2, 3)
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if dim is not None:
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kwargs['dim'] = dim
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kwargs['pattern'] = _get_linestring_pattern(dim)
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kwargs['type_name'] = 'line%dd' % dim
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retval = SimpleModel.__new__(cls, **kwargs)
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retval.__namespace__ = 'http://spyne.io/schema'
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retval.__extends__ = Unicode
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retval.__orig__ = Unicode
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return retval
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LineString = Line
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class Polygon(Unicode):
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"""A polygon type whose native format is a WKT string. You can use
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:func:`shapely.wkt.loads` to get a proper polygon type.
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It's a subclass of the :class:`Unicode` type, so regular Unicode constraints
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apply. The only additional parameter is the number of dimensions.
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:param dim: Number of dimensons.
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"""
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__type_name__ = None
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class Attributes(Unicode.Attributes):
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dim = None
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def __new__(cls, dim=None, **kwargs):
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assert dim in (None, 2, 3)
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if dim is not None:
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kwargs['dim'] = dim
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kwargs['pattern'] = _get_polygon_pattern(dim)
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kwargs['type_name'] = 'polygon%dd' % dim
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retval = SimpleModel.__new__(cls, **kwargs)
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retval.__namespace__ = 'http://spyne.io/schema'
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retval.__extends__ = Unicode
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retval.__orig__ = Unicode
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return retval
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class MultiPoint(Unicode):
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"""A MultiPoint type whose native format is a WKT string. You can use
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:func:`shapely.wkt.loads` to get a proper MultiPoint type.
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It's a subclass of the :class:`Unicode` type, so regular Unicode constraints
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apply. The only additional parameter is the number of dimensions.
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:param dim: Number of dimensons.
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"""
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__type_name__ = None
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class Attributes(Unicode.Attributes):
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dim = None
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def __new__(cls, dim=None, **kwargs):
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assert dim in (None, 2, 3)
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if dim is not None:
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kwargs['dim'] = dim
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kwargs['pattern'] = _get_multipoint_pattern(dim)
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kwargs['type_name'] = 'multiPoint%dd' % dim
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retval = SimpleModel.__new__(cls, **kwargs)
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retval.__namespace__ = 'http://spyne.io/schema'
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retval.__extends__ = Unicode
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retval.__orig__ = Unicode
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return retval
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class MultiLine(Unicode):
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"""A MultiLine type whose native format is a WKT string. You can use
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:func:`shapely.wkt.loads` to get a proper MultiLine type.
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It's a subclass of the :class:`Unicode` type, so regular Unicode constraints
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apply. The only additional parameter is the number of dimensions.
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:param dim: Number of dimensons.
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"""
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__type_name__ = None
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class Attributes(Unicode.Attributes):
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dim = None
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def __new__(cls, dim=None, **kwargs):
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assert dim in (None, 2, 3)
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if dim is not None:
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kwargs['dim'] = dim
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kwargs['pattern'] = _get_multilinestring_pattern(dim)
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kwargs['type_name'] = 'multiLine%dd' % dim
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retval = SimpleModel.__new__(cls, **kwargs)
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retval.__namespace__ = 'http://spyne.io/schema'
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retval.__extends__ = Unicode
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retval.__orig__ = Unicode
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return retval
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MultiLineString = MultiLine
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class MultiPolygon(Unicode):
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"""A MultiPolygon type whose native format is a WKT string. You can use
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:func:`shapely.wkt.loads` to get a proper MultiPolygon type.
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It's a subclass of the :class:`Unicode` type, so regular Unicode constraints
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apply. The only additional parameter is the number of dimensions.
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:param dim: Number of dimensons.
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"""
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__type_name__ = None
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class Attributes(Unicode.Attributes):
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dim = None
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def __new__(cls, dim=None, **kwargs):
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assert dim in (None, 2, 3)
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if dim is not None:
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kwargs['dim'] = dim
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kwargs['pattern'] = _get_multipolygon_pattern(dim)
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kwargs['type_name'] = 'multipolygon%dd' % dim
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retval = SimpleModel.__new__(cls, **kwargs)
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retval.__namespace__ = 'http://spyne.io/schema'
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retval.__extends__ = Unicode
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retval.__orig__ = Unicode
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return retval
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