448 lines
17 KiB
Python
448 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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# ***************************************************************************
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# * Copyright (c) 2019 sliptonic <shopinthewoods@gmail.com> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program 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 *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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import FreeCAD
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import PathScripts.PathGeom as PathGeom
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import PathScripts.PathLog as PathLog
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import PathScripts.PathPreferences as PathPreferences
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import PathScripts.PathSetupSheetOpPrototype as PathSetupSheetOpPrototype
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import PathScripts.PathUtil as PathUtil
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import PySide
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import Sketcher
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import json
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import math
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import os
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import zipfile
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# lazily loaded modules
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from lazy_loader.lazy_loader import LazyLoader
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Part = LazyLoader('Part', globals(), 'Part')
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__title__ = "Tool bits."
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__author__ = "sliptonic (Brad Collette)"
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__url__ = "https://www.freecadweb.org"
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__doc__ = "Class to deal with and represent a tool bit."
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# PathLog.setLevel(PathLog.Level.DEBUG, PathLog.thisModule())
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# PathLog.trackModule()
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def translate(context, text, disambig=None):
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return PySide.QtCore.QCoreApplication.translate(context, text, disambig)
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ParameterTypeConstraint = {
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'Angle': 'App::PropertyAngle',
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'Distance': 'App::PropertyLength',
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'DistanceX': 'App::PropertyLength',
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'DistanceY': 'App::PropertyLength',
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'Radius': 'App::PropertyLength'}
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def _findTool(path, typ, dbg=False):
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if os.path.exists(path): # absolute reference
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if dbg:
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PathLog.debug("Found {} at {}".format(typ, path))
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return path
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def searchFor(pname, fname):
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# PathLog.debug("pname: {} fname: {}".format(pname, fname))
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if dbg:
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PathLog.debug("Looking for {}".format(pname))
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if fname:
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for p in PathPreferences.searchPathsTool(typ):
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PathLog.track(p)
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f = os.path.join(p, fname)
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if dbg:
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PathLog.debug(" Checking {}".format(f))
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if os.path.exists(f):
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if dbg:
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PathLog.debug(" Found {} at {}".format(typ, f))
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return f
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if pname and os.path.sep != pname:
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PathLog.track(pname)
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ppname, pfname = os.path.split(pname)
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ffname = os.path.join(pfname, fname) if fname else pfname
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return searchFor(ppname, ffname)
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return None
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return searchFor(path, '')
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def findShape(path):
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'''
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findShape(path) ... search for path, full and partially
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in all known shape directories.
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'''
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return _findTool(path, 'Shape')
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def findBit(path):
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PathLog.track(path)
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if path.endswith('.fctb'):
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return _findTool(path, 'Bit')
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return _findTool("{}.fctb".format(path), 'Bit')
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def findLibrary(path, dbg=False):
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if path.endswith('.fctl'):
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return _findTool(path, 'Library', dbg)
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return _findTool("{}.fctl".format(path), 'Library', dbg)
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def _findRelativePath(path, typ):
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relative = path
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for p in PathPreferences.searchPathsTool(typ):
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if path.startswith(p):
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p = path[len(p):]
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if os.path.sep == p[0]:
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p = p[1:]
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if len(p) < len(relative):
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relative = p
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return relative
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def findRelativePathShape(path):
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return _findRelativePath(path, 'Shape')
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def findRelativePathTool(path):
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return _findRelativePath(path, 'Bit')
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def findRelativePathLibrary(path):
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return _findRelativePath(path, 'Library')
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def updateConstraint(sketch, name, value):
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for i, constraint in enumerate(sketch.Constraints):
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if constraint.Name.split(';')[0] == name:
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constr = None
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if constraint.Type in ['DistanceX', 'DistanceY', 'Distance', 'Radius', 'Angle']:
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constr = Sketcher.Constraint(constraint.Type, constraint.First, constraint.FirstPos, constraint.Second, constraint.SecondPos, value)
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else:
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print(constraint.Name, constraint.Type)
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if constr is not None:
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if not PathGeom.isRoughly(constraint.Value, value.Value):
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PathLog.track(name, constraint.Type,
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'update', i, "(%.2f -> %.2f)"
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% (constraint.Value, value.Value))
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sketch.delConstraint(i)
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sketch.recompute()
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n = sketch.addConstraint(constr)
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sketch.renameConstraint(n, constraint.Name)
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else:
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PathLog.track(name, constraint.Type, 'unchanged')
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break
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PropertyGroupBit = 'Bit'
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PropertyGroupAttribute = 'Attribute'
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class ToolBit(object):
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def __init__(self, obj, shapeFile):
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PathLog.track(obj.Label, shapeFile)
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self.obj = obj
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obj.addProperty('App::PropertyFile', 'BitShape', 'Base',
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translate('PathToolBit', 'Shape for bit shape'))
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obj.addProperty('App::PropertyLink', 'BitBody', 'Base',
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translate('PathToolBit',
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'The parametrized body representing the tool bit'))
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obj.addProperty('App::PropertyFile', 'File', 'Base',
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translate('PathToolBit', 'The file of the tool'))
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obj.addProperty('App::PropertyString', 'ShapeName', 'Base',
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translate('PathToolBit', 'The name of the shape file'))
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if shapeFile is None:
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obj.BitShape = 'endmill.fcstd'
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self._setupBitShape(obj)
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self.unloadBitBody(obj)
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else:
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obj.BitShape = shapeFile
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self._setupBitShape(obj)
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self.onDocumentRestored(obj)
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def __getstate__(self):
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return None
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def __setstate__(self, state):
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for obj in FreeCAD.ActiveDocument.Objects:
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if hasattr(obj, 'Proxy') and obj.Proxy == self:
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self.obj = obj
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break
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return None
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def propertyNamesBit(self, obj):
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return [prop for prop in obj.PropertiesList if obj.getGroupOfProperty(prop) == PropertyGroupBit]
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def propertyNamesAttribute(self, obj):
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return [prop for prop in obj.PropertiesList if obj.getGroupOfProperty(prop) == PropertyGroupAttribute]
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def onDocumentRestored(self, obj):
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obj.setEditorMode('BitShape', 1)
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obj.setEditorMode('BitBody', 2)
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obj.setEditorMode('File', 1)
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obj.setEditorMode('Shape', 2)
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for prop in self.propertyNamesBit(obj):
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obj.setEditorMode(prop, 1)
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# I currently don't see why these need to be read-only
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# for prop in self.propertyNamesAttribute(obj):
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# obj.setEditorMode(prop, 1)
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def onChanged(self, obj, prop):
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PathLog.track(obj.Label, prop)
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if prop == 'BitShape' and 'Restore' not in obj.State:
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self._setupBitShape(obj)
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# elif obj.getGroupOfProperty(prop) == PropertyGroupBit:
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# self._updateBitShape(obj, [prop])
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def onDelete(self, obj, arg2=None):
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PathLog.track(obj.Label)
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self.unloadBitBody(obj)
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obj.Document.removeObject(obj.Name)
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def _updateBitShape(self, obj, properties=None):
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if obj.BitBody is not None:
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if not properties:
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properties = self.propertyNamesBit(obj)
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for prop in properties:
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for sketch in [o for o in obj.BitBody.Group if o.TypeId == 'Sketcher::SketchObject']:
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PathLog.track(obj.Label, sketch.Label, prop)
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updateConstraint(sketch, prop, obj.getPropertyByName(prop))
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self._copyBitShape(obj)
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def _copyBitShape(self, obj):
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obj.Document.recompute()
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if obj.BitBody and obj.BitBody.Shape:
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obj.Shape = obj.BitBody.Shape
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else:
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obj.Shape = Part.Shape()
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def _loadBitBody(self, obj, path=None):
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p = path if path else obj.BitShape
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docOpened = False
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doc = None
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for d in FreeCAD.listDocuments():
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if FreeCAD.getDocument(d).FileName == p:
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doc = FreeCAD.getDocument(d)
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break
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if doc is None:
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p = findShape(p)
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if not path and p != obj.BitShape:
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obj.BitShape = p
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doc = FreeCAD.openDocument(p, True)
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obj.ShapeName = doc.Name
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docOpened = True
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return (doc, docOpened)
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def _removeBitBody(self, obj):
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if obj.BitBody:
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obj.BitBody.removeObjectsFromDocument()
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obj.Document.removeObject(obj.BitBody.Name)
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obj.BitBody = None
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def _deleteBitSetup(self, obj):
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PathLog.track(obj.Label)
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self._removeBitBody(obj)
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self._copyBitShape(obj)
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for prop in self.propertyNamesBit(obj):
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obj.removeProperty(prop)
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def loadBitBody(self, obj, force=False):
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if force or not obj.BitBody:
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activeDoc = FreeCAD.ActiveDocument
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if force:
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self._removeBitBody(obj)
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(doc, opened) = self._loadBitBody(obj)
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obj.BitBody = obj.Document.copyObject(doc.RootObjects[0], True)
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if opened:
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FreeCAD.setActiveDocument(activeDoc.Name)
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FreeCAD.closeDocument(doc.Name)
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self._updateBitShape(obj)
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def unloadBitBody(self, obj):
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self._removeBitBody(obj)
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def _setupBitShape(self, obj, path=None):
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activeDoc = FreeCAD.ActiveDocument
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(doc, docOpened) = self._loadBitBody(obj, path)
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obj.Label = doc.RootObjects[0].Label
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self._deleteBitSetup(obj)
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obj.BitBody = obj.Document.copyObject(doc.RootObjects[0], True)
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if docOpened:
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FreeCAD.setActiveDocument(activeDoc.Name)
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FreeCAD.closeDocument(doc.Name)
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if obj.BitBody.ViewObject:
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obj.BitBody.ViewObject.Visibility = False
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self._copyBitShape(obj)
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for sketch in [o for o in obj.BitBody.Group if o.TypeId == 'Sketcher::SketchObject']:
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for constraint in [c for c in sketch.Constraints if c.Name != '']:
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typ = ParameterTypeConstraint.get(constraint.Type)
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PathLog.track(constraint, typ)
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if typ is not None:
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parts = [p.strip() for p in constraint.Name.split(';')]
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prop = parts[0]
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desc = ''
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if len(parts) > 1:
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desc = parts[1]
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obj.addProperty(typ, prop, PropertyGroupBit, desc)
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obj.setEditorMode(prop, 1)
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value = constraint.Value
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if constraint.Type == 'Angle':
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value = value * 180 / math.pi
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PathUtil.setProperty(obj, prop, value)
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def getBitThumbnail(self, obj):
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if obj.BitShape:
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path = findShape(obj.BitShape)
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if path:
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with open(path, 'rb') as fd:
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try:
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zf = zipfile.ZipFile(fd)
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pf = zf.open('thumbnails/Thumbnail.png', 'r')
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data = pf.read()
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pf.close()
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return data
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except KeyError:
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pass
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return None
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def saveToFile(self, obj, path, setFile=True):
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PathLog.track(path)
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try:
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with open(path, 'w') as fp:
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json.dump(self.templateAttrs(obj), fp, indent=' ')
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if setFile:
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obj.File = path
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return True
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except (OSError, IOError) as e:
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PathLog.error("Could not save tool {} to {} ({})".format(
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obj.Label, path, e))
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raise
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def templateAttrs(self, obj):
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attrs = {}
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attrs['version'] = 2 # Path.Tool is version 1
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attrs['name'] = obj.Label
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if PathPreferences.toolsStoreAbsolutePaths():
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attrs['shape'] = obj.BitShape
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else:
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attrs['shape'] = findRelativePathShape(obj.BitShape)
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params = {}
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for name in self.propertyNamesBit(obj):
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params[name] = PathUtil.getPropertyValueString(obj, name)
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attrs['parameter'] = params
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params = {}
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for name in self.propertyNamesAttribute(obj):
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if name == "UserAttributes":
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for key, value in obj.UserAttributes.items():
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params[key] = value
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else:
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params[name] = PathUtil.getPropertyValueString(obj, name)
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attrs['attribute'] = params
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return attrs
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def Declaration(path):
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PathLog.track(path)
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with open(path, 'r') as fp:
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return json.load(fp)
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class AttributePrototype(PathSetupSheetOpPrototype.OpPrototype):
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def __init__(self):
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PathSetupSheetOpPrototype.OpPrototype.__init__(self, 'ToolBitAttribute')
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self.addProperty('App::PropertyEnumeration', 'Material',
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PropertyGroupAttribute,
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translate('PathToolBit', 'Tool bit material'))
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self.Material = ['Carbide', 'CastAlloy', 'Ceramics', 'Diamond',
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'HighCarbonToolSteel', 'HighSpeedSteel', 'Sialon']
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self.addProperty('App::PropertyDistance', 'LengthOffset',
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PropertyGroupAttribute, translate('PathToolBit',
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'Length offset in Z direction'))
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self.addProperty('App::PropertyInteger', 'Flutes',
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PropertyGroupAttribute, translate('PathToolBit',
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'The number of flutes'))
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self.addProperty('App::PropertyDistance', 'ChipLoad',
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PropertyGroupAttribute, translate('PathToolBit',
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'Chipload as per manufacturer'))
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self.addProperty('App::PropertyMap', 'UserAttributes',
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PropertyGroupAttribute, translate('PathToolBit',
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'User Defined Values'))
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self.addProperty('App::PropertyBool', 'SpindlePower',
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PropertyGroupAttribute, translate('PathToolBit',
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'Whether Spindle Power should be allowed'))
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class ToolBitFactory(object):
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def CreateFromAttrs(self, attrs, name='ToolBit'):
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PathLog.debug(attrs)
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obj = Factory.Create(name, attrs['shape'])
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obj.Label = attrs['name']
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params = attrs['parameter']
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for prop in params:
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PathUtil.setProperty(obj, prop, params[prop])
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obj.Proxy._updateBitShape(obj)
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obj.Proxy.unloadBitBody(obj)
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params = attrs['attribute']
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proto = AttributePrototype()
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uservals = {}
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for pname in params:
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try:
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prop = proto.getProperty(pname)
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prop.setupProperty(obj, pname, PropertyGroupAttribute, prop.valueFromString(params[pname]))
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except Exception:
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prop = proto.getProperty("UserAttributes")
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uservals.update({pname: params[pname]})
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if len(uservals.items()) > 0:
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prop.setupProperty(obj, "UserAttributes",
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PropertyGroupAttribute, uservals)
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return obj
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def CreateFrom(self, path, name='ToolBit'):
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try:
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data = Declaration(path)
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bit = Factory.CreateFromAttrs(data, name)
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bit.File = path
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return bit
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except (OSError, IOError) as e:
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PathLog.error("%s not a valid tool file (%s)" % (path, e))
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raise
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def Create(self, name='ToolBit', shapeFile=None):
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obj = FreeCAD.ActiveDocument.addObject('Part::FeaturePython', name)
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obj.Proxy = ToolBit(obj, shapeFile)
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return obj
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Factory = ToolBitFactory()
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