refactor: excel parse
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Blizzard
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# Copyright (c) 2019-2022, Manfred Moitzi
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# License: MIT License
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from __future__ import annotations
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from typing import TYPE_CHECKING, Optional
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import logging
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from ezdxf.lldxf import validator
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from ezdxf.lldxf.attributes import (
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DXFAttr,
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DXFAttributes,
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DefSubclass,
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XType,
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RETURN_DEFAULT,
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group_code_mapping,
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)
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from ezdxf.lldxf.const import DXF12, SUBCLASS_MARKER, DXF2000, DXF2007, DXF2010
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from ezdxf.math import Vec3, NULLVEC
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from ezdxf.entities.dxfentity import base_class, SubclassProcessor, DXFEntity
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from ezdxf.entities.layer import acdb_symbol_table_record
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from .factory import register_entity
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if TYPE_CHECKING:
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from ezdxf.entities import DXFNamespace
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from ezdxf.lldxf.tagwriter import AbstractTagWriter
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__all__ = ["View"]
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logger = logging.getLogger("ezdxf")
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acdb_view = DefSubclass(
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"AcDbViewTableRecord",
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{
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"name": DXFAttr(2, validator=validator.is_valid_table_name),
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"flags": DXFAttr(70, default=0),
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"height": DXFAttr(40, default=1),
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"width": DXFAttr(41, default=1),
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"center": DXFAttr(10, xtype=XType.point2d, default=NULLVEC),
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"direction": DXFAttr(
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11,
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xtype=XType.point3d,
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default=Vec3(1, 1, 1),
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validator=validator.is_not_null_vector,
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),
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"target": DXFAttr(12, xtype=XType.point3d, default=NULLVEC),
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"focal_length": DXFAttr(42, default=50),
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"front_clipping": DXFAttr(43, default=0),
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"back_clipping": DXFAttr(44, default=0),
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"view_twist": DXFAttr(50, default=0),
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"view_mode": DXFAttr(71, default=0),
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# Render mode:
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# 0 = 2D Optimized (classic 2D)
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# 1 = Wireframe
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# 2 = Hidden line
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# 3 = Flat shaded
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# 4 = Gouraud shaded
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# 5 = Flat shaded with wireframe
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# 6 = Gouraud shaded with wireframe
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"render_mode": DXFAttr(
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281,
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default=0,
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dxfversion=DXF2000,
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validator=validator.is_in_integer_range(0, 7),
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fixer=RETURN_DEFAULT,
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),
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# 1 if there is an UCS associated to this view, 0 otherwise.
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"ucs": DXFAttr(
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72,
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default=0,
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dxfversion=DXF2000,
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validator=validator.is_integer_bool,
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fixer=RETURN_DEFAULT,
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),
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"ucs_origin": DXFAttr(110, xtype=XType.point3d, dxfversion=DXF2000),
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"ucs_xaxis": DXFAttr(
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111,
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xtype=XType.point3d,
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dxfversion=DXF2000,
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validator=validator.is_not_null_vector,
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),
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"ucs_yaxis": DXFAttr(
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112,
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xtype=XType.point3d,
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dxfversion=DXF2000,
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validator=validator.is_not_null_vector,
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),
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# 0 = UCS is not orthographic
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# 1 = Top
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# 2 = Bottom
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# 3 = Front
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# 4 = Back
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# 5 = Left
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# 6 = Right
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"ucs_ortho_type": DXFAttr(
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79,
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dxfversion=DXF2000,
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validator=validator.is_in_integer_range(0, 7),
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fixer=lambda x: 0,
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),
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"elevation": DXFAttr(146, dxfversion=DXF2000, default=0),
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# handle of AcDbUCSTableRecord if UCS is a named UCS. If not present,
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# then UCS is unnamed:
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"ucs_handle": DXFAttr(345, dxfversion=DXF2000),
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# handle of AcDbUCSTableRecord of base UCS if UCS is orthographic (79 code
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# is non-zero). If not present and 79 code is non-zero, then base UCS is
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# taken to be WORLD
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"base_ucs_handle": DXFAttr(346, dxfversion=DXF2000),
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# 1 if the camera is plottable
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"camera_plottable": DXFAttr(
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73,
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default=0,
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dxfversion=DXF2007,
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validator=validator.is_integer_bool,
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fixer=RETURN_DEFAULT,
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),
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"background_handle": DXFAttr(332, optional=True, dxfversion=DXF2007),
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"live_selection_handle": DXFAttr(
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334, optional=True, dxfversion=DXF2007
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),
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"visual_style_handle": DXFAttr(348, optional=True, dxfversion=DXF2007),
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"sun_handle": DXFAttr(361, optional=True, dxfversion=DXF2010),
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},
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)
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acdb_view_group_codes = group_code_mapping(acdb_view)
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@register_entity
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class View(DXFEntity):
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"""DXF VIEW entity"""
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DXFTYPE = "VIEW"
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DXFATTRIBS = DXFAttributes(base_class, acdb_symbol_table_record, acdb_view)
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def load_dxf_attribs(
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self, processor: Optional[SubclassProcessor] = None
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) -> DXFNamespace:
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dxf = super().load_dxf_attribs(processor)
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if processor:
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processor.simple_dxfattribs_loader(dxf, acdb_view_group_codes) # type: ignore
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return dxf
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def export_entity(self, tagwriter: AbstractTagWriter) -> None:
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super().export_entity(tagwriter)
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if tagwriter.dxfversion > DXF12:
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tagwriter.write_tag2(SUBCLASS_MARKER, acdb_symbol_table_record.name)
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tagwriter.write_tag2(SUBCLASS_MARKER, acdb_view.name)
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self.dxf.export_dxf_attribs(
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tagwriter,
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[
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"name",
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"flags",
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"height",
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"width",
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"center",
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"direction",
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"target",
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"focal_length",
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"front_clipping",
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"back_clipping",
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"view_twist",
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"view_mode",
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"render_mode",
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"ucs",
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"ucs_origin",
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"ucs_xaxis",
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"ucs_yaxis",
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"ucs_ortho_type",
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"elevation",
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"ucs_handle",
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"base_ucs_handle",
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"camera_plottable",
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"background_handle",
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"live_selection_handle",
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"visual_style_handle",
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"sun_handle",
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],
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)
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