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importerUtils.py
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# -*- coding: utf-8 -*-
'''
importerUtils.py:
Collection of functions necessary to read and analyse Autodesk (R) Invetor (R) files.
'''
import os, sys, datetime, FreeCADGui, json, shutil, re
from PySide.QtCore import *
from PySide.QtGui import *
from struct import Struct, unpack_from, pack
from FreeCAD import Vector as VEC, Console, ParamGet
from olefile import OleFileIO
from importerConstants import ENCODING_FS, CENTER
__author__ = 'Jens M. Plonka'
__copyright__ = 'Copyright 2018, Germany'
__url__ = "https://www.github.com/jmplonka/InventorLoader"
UUID_NAMES = {
'3c7f67aa4dd7848a040c58894ab06552': '_BodiesFolder',
'328fc2ea44d13ec5f05abeb87d4aabca': '_ViewDirectionCollection',
'8da49a2311d60c3210005aab87ae3483': 'AGxInstanceNode',
'b91e695f11d52794100011ab87ae3483': 'AGxMultiBodyNode',
'21e870bb11d0d2d000d8ccbc0663dc09': 'BRxEntry',
'cb0adcaf11d50e7860009ba6c588fbb0': 'EExCollector',
'6759d86f11d27838600094b70b02ecb0': 'FWxRenderingStyle',
'a3ebe1984b705d656174d7969e5ae726': 'MBxBodyNode',
'a03874b011d41238600018aa9dccefb0': 'MBxContourFlangeFeature',
'c4c14b9011d328ff60004da99dccefb0': 'MBxFaceFeature',
'c3dddc0811d397d06000a7a99dccefb0': 'MBxFlangeFeature',
'10d6c06b46086923c73c0faca268550f': 'MBxSheetMetalRuleStyle',
'c098d3cf11d5345310003697ab9f0ab5': 'MBRDxPunchToolFeature',
'6045231311d30d7a6000ecb21d6eefb0': 'MBxUserSettingsAttribute',
'cadd6468467ce6ee8e1494884110a2da': 'MIxBrepComponent',
'f645595c11d51333100060a6bba647b5': 'MIxTransactablePartition',
'd81cde4711d265f760005dbead9287b0': 'NBxEntry',
'74e3441311d25aeb60005bbead9287b0': 'NBxFolder',
'd8705bc711d15553000825a5b17adc09': 'NBxGraphicsArea',
'dbbad87b11d228b0600052bead9287b0': 'NBxItem',
'4c41596411d12e13000824a5fd7adc09': 'NBxNote',
'3c95b7ce11d13388000820a5b17adc09': 'NBxNotebook',
'9215a16211d19776600055bd861c3cb0': 'NBxNoteGlyphGroup',
'fb96d24a11d18877600046bd861c3cb0': 'NBxNoteGlyphNode',
'cc253bb711d15553000825a5b17adc09': 'NBxTextArea',
'ccc5085a11d1aa4c0008c8ba32a3dc09': 'NMxFaceMergeData',
'cce9204211d171c50008a7ba32a3dc09': 'NMxNameTable',
'dd4c4d3a4fbbf55e16b785853b52d4dc': 'PMxASMFlatPatternPartRepresentation',
'9a676a5011d45da66000e3b81269f1b0': 'PMxBodyNode',
'af48560f11d48dc71000d58dc04a0ab5': 'PMxColorStylePrimAttr',
'7dfc244811d461a01000c895bba647b5': 'PMxCompositeFeatureOutline',
'b251bfc011d24761a0001580d694c7c9': 'PMxEntryManager',
'c0014c894bd6a537fa9444be54ebc63d': 'PMxImage2D',
'022ac1b511d20d356000f99ac5361ab0': 'PMxPartDrawAttr',
'ca7163a311d0d3b20008bfbb21eddc09': 'PMxPartNode',
'5e382456497725cff44fdeafccace65e': 'PMxPartRepresentation',
'a94779e111d438066000b1b7b035f1b0': 'PMxPatternOutline',
'a94779e011d438066000b1b7b035f1b0': 'PMxSingleFeatureOutline',
'f7676ab011d23618a0001280d694c7c9': 'PMxSketchEntry',
'590d0a1011d1e6ca80006fb1e13554c7': 'RDxAngle2',
'bf3b5c8411d2e92a60004bb38932edb0': 'RDxAngle3Points2',
'6d8a4ac711d4490f6000e6ab3a39fbb0': 'RDxAngleInterfaceDef',
'ce52df3b11d0d2d00008ccbc0663dc09': 'RDxArc2',
'bee90c4111d43c8280005a9a88fdf9c6': 'RDxAtomicInterfaceDef',
'de818cc011d452d9c000ba967a14684f': 'RDxBendConstraint',
'90874d4711d0d1f80008cabc0663dc09': 'RDxBody',
'90874d4811d0d1f80008cabc0663dc09': 'RDxBodySet',
'2b24130911d272cc60007bb79b49ebb0': 'RDxBrowserFolder',
'9e43716a11d20fa5600084b7b035c3b0': 'RDxCircle3',
'4ef32ef04cf83c27f0b185a66f245b22': 'RDxClientFeature',
'90874d9411d0d1f80008cabc0663dc09': 'RDxCoincident2',
'90874d5911d0d1f80008cabc0663dc09': 'RDxComponent',
'81afc10f11d514051000569772d147b5': 'RDxCompositeInterfaceDef',
'778752c64a5426253aab58b51014c910': 'RDxCurveToSurfaceProjection',
'7f936baa4aef3859f4b80e8c548a4a11': 'RDxDecalFeature',
'27ecb60f11d430c3c0001985e89c6b4f': 'RDxDerivedAssembly',
'cd7c1c534dd0d3096a46e89e3ba9d923': 'RDxDerivedOccDataCollector',
'bfb5eb9311d443e8c0001c85e89c6b4f': 'RDxDerivedOccFeature',
'255d7ed711d3b5f2c0000385e89c6b4f': 'RDxDerivedPart',
'26287e9611d490bd1000e2962dba09b5': 'RDxDeselTableNode',
'89b87c6f11d2e0d26000f1b26c74fcb0': 'RDxDiagProfileInvalidLoop',
'3683ce3311d2fcf16000fab26c74fcb0': 'RDxDiagSketchDimRefGeomFailed',
'74df96e011d1e069800066b1e13554c7': 'RDxDiameter2',
'1105855811d295e360000cb38932edb0': 'RDxDistanceDimension2',
'10b6adef45f57b24911db28d8c498f80': 'RDxDistanceDimension3',
'90874d5311d0d1f80008cabc0663dc09': 'RDxEdgeId',
'9e43716b11d20fa5600084b7b035c3b0': 'RDxEllipse3',
'4507d46011d1e6be80006fb1e13554c7': 'RDxEllipticArc2',
'748fbd6411d1c41f6000b3b801f31bb0': 'RDxFaceSurfaceId',
'90874d9111d0d1f80008cabc0663dc09': 'RDxFeature',
'fd1f3f2111d449d88000679a88fdf9c6': 'RDxFlushInterfaceDef',
'b71cbec94d8922eaa66f24ad3b81c470': 'RDxHelixConstraint3',
'00acc00011d1e05f800066b1e13554c7': 'RDxHorizontalDistance2',
'1b16984a11d28fce6000bdb72508ebb0': 'RDxHospital',
'6d8a4ac911d4490f6000e6ab3a39fbb0': 'RDxInsertInterfaceDef',
'dfb2586a11d60a0a10002fbd891e89b5': 'RDxIntersectionCurve',
'ce52df3a11d0d2d00008ccbc0663dc09': 'RDxLine2',
'8ef06c8911d1043c60007cb801f31bb0': 'RDxLine3',
'a327786911d19690000826bd0663dc09': 'RDxLoop',
'a789eeb011d1e6c080006fb1e13554c7': 'RDxMajorRadius2',
'375c698211d16b510008a1ba32a3dc09': 'RDxMatchedEdge',
'b382a87c45f4ffb9fe4a7486104813a4': 'RDxMatchedLoop',
'5523121311d4490d6000e6ab3a39fbb0': 'RDxMateInterfaceDef',
'b4964e9011d1e6c080006fb1e13554c7': 'RDxMinorRadius2',
'fad9a9b511d2330560002cab01f31bb0': 'RDxMirrorPattern',
'452121b611d514d6100061a6bba647b5': 'RDxModelerTxnMgr',
'3e55d947407dffd912db059ae9d0ed1f': 'RDxOffsetCurve2', # OffsetSpline2D
'90874d1611d0d1f80008cabc0663dc09': 'RDxPart',
'90874d1111d0d1f80008cabc0663dc09': 'RDxPlanarSketch',
'ce52df4211d0d2d00008ccbc0663dc09': 'RDxPlane',
'ce52df3511d0d2d00008ccbc0663dc09': 'RDxPoint2',
'ce52df3e11d0d2d00008ccbc0663dc09': 'RDxPoint3',
'0697713111d2323260002cab01f31bb0': 'RDxPolarPattern',
'f9884c4311d1983d000826bd0663dc09': 'RDxProfile',
'2d06cad349986fa71ead34b67e52cd7b': 'RDxProjectCutEdges',
'671bb70011d1e068800066b1e13554c7': 'RDxRadius2',
'90874d2611d0d1f80008cabc0663dc09': 'RDxReal',
'2067324411d21dc560002aab01f31bb0': 'RDxRectangularPattern',
'2d86fc2642dfe34030c08ab05ef9bfc5': 'RDxReferenceEdgeLoopId',
'317b734611d37a7c60001cb3d1c1fbb0': 'RDxRefSpline',
'0b86ad43421c4a69e0e0deaab16e7154': 'RDxRefSpline3',
'3ae9d8da11d42c3ac000ad967a14684f': 'RDxSketch3d',
'ffd270b811d52d1410000897994909b5': 'RDxSketchFragment',
'f9372fd411d1d315000847b00524dc09': 'RDxSpline2',
'7c44abde11d2257a60008cb7b035c3b0': 'RDxSpline3',
'8f41fd2411d26eac00082aab32a3dc09': 'RDxStopNode',
'1fbb3c0111d2684da0009e9a3c3aa076': 'RDxString',
'9a94e34711d36b7fc000d49545df724f': 'RDxToolBodyCacheAttribute',
'ce52df4011d0d2d00008ccbc0663dc09': 'RDxVector3',
'3683ff4011d1e05f800066b1e13554c7': 'RDxVerticalDistance2',
'ea7da98811d447a26000d0b81269f1b0': 'RSeAcisEntityContainer',
'cc0f752111d18027e38619962259017a': 'RSeAcisEntityWrapper',
'60fd184511d0d79d0008bfbb21eddc09': 'SCxSketchNode',
'da58aa0e11d43cb1c000ae967a14684f': 'S3xSketch3dNode',
'fd1e899d11d635491000568ec04a0ab5': 'SMxAnalysisSetup',
'a529d1e211d0d0900008bcbb21eddc09': 'SMxGroupNode',
'022ac1b111d20d356000f99ac5361ab0': 'SMxPersistentScenePath',
'716b5cd148299bd2474ec788e5ab0c74': 'UCxATEntry',
'd48240694eb51a34aec9d789df4f97a4': 'UCxClientFeatureNode',
'dbe41d9111d4414c8000609a88fdf9c6': 'UCxCompInterfaceNode',
'ca7163a111d0d3b20008bfbb21eddc09': 'UCxComponentNode',
'd1071d574d61a7c4f2e352bf50116935': 'UCxConstraint3DimensionItem',
'7dfcc81711d6419710006eab87ae3483': 'UCxConstructionFolderEntry',
'475e786111d296dba0004a803603c8c9': 'UCxFeatureDimensionStateAttr',
'2c7020f611d1b3c06000b1b801f31bb0': 'UCxWorkaxisNode',
'14533d8211d1087100085ba406e5dc09': 'UCxWorkplaneNode',
'2c7020f811d1b3c06000b1b801f31bb0': 'UCxWorkpointNode',
'd31891c248bf14c3aa42ea872a846b2a': 'UFRxRef',
}
_fileVersion = 0
_fileBeta = -1
_can_import = True
_use_sheet_metal = True
_block_size = 0
__prmPrefOW__ = ParamGet("User parameter:BaseApp/Preferences/OutputWindow")
__prmPrefIL__ = ParamGet("User parameter:BaseApp/Preferences/Mod/InventorLoader")
# The file the be imported
_inventor_file = None
_dump_folder = None
STRATEGY_SAT = 0
STRATEGY_NATIVE = 1
STRATEGY_STEP = 2
STRATEGY_CANCEL = -1
__strategy__ = __prmPrefIL__.GetInt("strategy", STRATEGY_SAT)
IS_CELL_REF = re.compile('^[a-z](\\d+)?$', re.IGNORECASE)
IS_BETA = re.compile('^.* Beta(\\d+) .*$', re.IGNORECASE)
_author = ''
_company = ''
_comment = ''
_lastModifiedBy = ''
_description = ''
_colorDefault = ''
with open(os.path.join(os.path.dirname(os.path.abspath(__file__)),"colors.json"), encoding='utf-8') as colorPalette:
_colorNames = json.load(colorPalette)
for n in _colorNames:
if (not n.startswith('_')):
rgb = _colorNames[n]
r = int(rgb[1:3], 0x10) / 255.0
g = int(rgb[3:5], 0x10) / 255.0
b = int(rgb[5:7], 0x10) / 255.0
_colorNames[n] = (r, g, b)
def setColorDefault(r, g, b):
global _colorDefault
_colorDefault = (r, g, b)
def getColorDefault():
global _colorDefault
return _colorDefault
def getColor(name):
global _colorNames, _colorDefault
return _colorNames.get(name, _colorDefault)
def setColor(name, r, g, b):
global _colorNames
_colorNames[name] = (r, g, b)
def getStrategy():
global __strategy__
return __strategy__
def setStrategy(newStrategy):
global __strategy__, __prmPrefIL__
if (newStrategy != STRATEGY_CANCEL):
__strategy__ = newStrategy
__prmPrefIL__.SetInt("strategy", newStrategy)
def isStrategySat():
return getStrategy() == STRATEGY_SAT
def isStrategyStep():
return getStrategy() == STRATEGY_STEP
def isStrategyNative():
return getStrategy() == STRATEGY_NATIVE
def setAuthor(author):
global _author
if (author):
_author = author
else:
_author = ''
return
def getAuthor():
global _author
return _author
def setCompany(company):
global _company
if (company):
_company = company
else:
_company = ''
return
def getCompany():
global _company
return _company
def setComment(comment):
global _comment
if (comment):
_comment = comment
else:
_comment = ''
return
def getComment():
global _comment
return _comment
def setLastModifiedBy(lastModifiedBy):
global _lastModifiedBy
if (lastModifiedBy):
_lastModifiedBy = lastModifiedBy
else:
_lastModifiedBy = ''
return
def getLastModifiedBy():
global _lastModifiedBy
return _lastModifiedBy
def setDescription(description):
global _description
if (description):
_description = description
else:
_description = ''
return
def getDescription():
return _description
def chooseImportStrategyAcis():
btnCnvrt = QPushButton('&convert to STEP')
btnNativ = QPushButton('&nativ')
btnCancel = QPushButton('Cancel')
thmnl = getThumbnail()
msgBox = QMessageBox()
msgBox.setIcon(QMessageBox.Question)
if (thmnl):
icon = thmnl.getIcon()
if (icon):
msgBox.setIconPixmap(icon)
msgBox.setWindowTitle('FreeCAD - import file. choose strategy')
msgBox.setText('Import file based:\n* on ACIS data (SAT), or base \n* on feature model (nativ)?\n\nNOTE: Preview image is bundled\nthumbnail from file.')
msgBox.addButton(btnCnvrt, QMessageBox.ActionRole)
msgBox.addButton(btnNativ, QMessageBox.ActionRole)
msgBox.addButton(btnCancel, QMessageBox.RejectRole)
btnMapping = {STRATEGY_SAT: btnNativ, STRATEGY_NATIVE: btnNativ, STRATEGY_STEP: btnCnvrt}
msgBox.setDefaultButton(btnMapping[getStrategy()])
QApplication.setOverrideCursor(Qt.ArrowCursor)
result = msgBox.exec_()
QApplication.restoreOverrideCursor()
resultMapping = {0:STRATEGY_STEP, 1: STRATEGY_SAT, 2:STRATEGY_CANCEL}
strategy = resultMapping[result]
setStrategy(strategy)
return strategy
def chooseImportStrategy():
btnCnvrt = QPushButton('&convert to STEP')
btnSat = QPushButton('&SAT')
btnNativ = QPushButton('&nativ')
btnCancel = QPushButton('Cancel')
thmnl = getThumbnail()
msgBox = QMessageBox()
msgBox.setIcon(QMessageBox.Question)
if (thmnl is not None):
icon = thmnl.getIcon()
if (icon):
msgBox.setIconPixmap(icon)
msgBox.setWindowTitle('FreeCAD - import file. choose strategy')
msgBox.setText('Import file based:\n* on ACIS data (SAT), base \n* on feature model (nativ)\n or convert it to STEP?\n\nNOTE: Preview image is bundled\nthumbnail from file.')
msgBox.addButton(btnCnvrt, QMessageBox.ActionRole)
msgBox.addButton(btnSat, QMessageBox.ActionRole)
msgBox.addButton(btnNativ, QMessageBox.ActionRole)
msgBox.addButton(btnCancel, QMessageBox.RejectRole)
btnMapping = {STRATEGY_SAT: btnSat, STRATEGY_NATIVE: btnNativ, STRATEGY_STEP: btnCnvrt}
msgBox.setDefaultButton(btnMapping[getStrategy()])
QApplication.setOverrideCursor(Qt.ArrowCursor)
result = msgBox.exec_()
QApplication.restoreOverrideCursor()
resultMapping = {0:STRATEGY_STEP, 1: STRATEGY_SAT, 2:STRATEGY_NATIVE, 3:STRATEGY_CANCEL}
strategy = resultMapping[result]
setStrategy(strategy)
return strategy
def setCanImport(canImport):
global _can_import
_can_import = canImport
return
def canImport():
global _can_import
return _can_import
def setUseSheetMetal(sheetMetal):
global _use_sheet_metal
_use_sheet_metal = sheetMetal
return
def useSheetMetal():
global _use_sheet_metal
return _use_sheet_metal
class Thumbnail(object):
def __init__(self):
self._data = None
self.width = 0
self.height = 0
self.icon = None
def getData(self):
return self._data
def setIconData(self, data):
self._data = data
self.icon = QPixmap()
self.icon.loadFromData(QByteArray(data))
self.width = self.icon.width()
self.height = self.icon.height()
def readData(self, filename):
with open(filename, 'rb') as f:
self.setIconData(f.read())
self.type = filename[-3:].upper()
def setData(self, data):
# skip thumbnail class header (3, 0, bpp, width, height, 0)
self.bpp, i = getUInt16(data, 4)
self.width, i = getUInt16(data, i)
self.height, i = getUInt16(data, i)
buffer = data[i+2:]
if (buffer[0x1:0x4] == b'PNG'):
self.type = 'PNG'
self.data_ = buffer
else: # it's old BMP => rebuild header
self.type = 'BMP'
fmt, dummy = getUInt32(buffer, 0x0E)
if (fmt == 3):
offset = 0x50
elif (fmt == 5):
offset = 0x4C
else:
raise AssertionError("Unknown thumbnail format %d" %(fmt))
size, dummy = getUInt32(data, offset + 20)
buffer = b'BM' + pack('LLL', size + 0x36, 0, 0x36)
buffer += data[offset:]
self.setIconData(buffer)
def length(self): return len(self._data)
def __str__(self): return '%s: %d x %d' % (self.type, self.width, self.height)
def __repr__(self): return self.__str__()
def getIcon(self): return self.icon
_thumbnail = None
def writeThumbnail(data):
global _thumbnail
if (data):
thumbnail = Thumbnail()
thumbnail.setData(data[1])
dumpFolder = getDumpFolder()
if ((not (dumpFolder is None)) and ParamGet("User parameter:BaseApp/Preferences/Mod/InventorLoader").GetBool('Others.DumpThumbnails', True)):
with open(u"%s/_.%s" %(dumpFolder, thumbnail.type.lower()), 'wb') as file:
file.write(thumbnail.getData())
setThumbnail(thumbnail)
else:
_thumbnail = None
return _thumbnail
def getThumbnail():
global _thumbnail
return _thumbnail
def setThumbnail(thumbnail):
global _thumbnail
_thumbnail = thumbnail
return
UINT8 = Struct('<B').unpack_from
SINT8 = Struct('<b').unpack_from
UINT16 = Struct('<H').unpack_from
SINT16 = Struct('<h').unpack_from
UINT32 = Struct('<L').unpack_from
UINT64 = Struct('<Q').unpack_from
SINT32 = Struct('<l').unpack_from
SINT64 = Struct('<q').unpack_from
FLOAT32 = Struct('<f').unpack_from
FLOAT32_2D = Struct('<ff').unpack_from
FLOAT32_3D = Struct('<fff').unpack_from
RGBA = Struct('<ffff').unpack_from
FLOAT64 = Struct('<d').unpack_from
FLOAT64_2D = Struct('<dd').unpack_from
FLOAT64_3D = Struct('<ddd').unpack_from
DATETIME = Struct('<Q').unpack_from
def getBoolean(data, offset):
'''
Returns a single boolean value.
Args:
data
A binary string.
offset
The zero based offset of the boolean value.
Returns:
True if the byte at the offset is '1', False if it is '0'
Otherwise an exception will be thrown.
'''
val, = UINT8(data, offset)
if (val == 1): return True, offset + 1
if (val == 0): return False, offset + 1
raise ValueError(u"Expected either 0 or 1 but found %02X" %(val))
def getSInt8(data, offset):
'''
Returns a single unsingned 8-Bit value (byte).
Args:
data
A binary string.
offset
The zero based offset of the byte.
Returns:
The unsigned 8-Bit value at offset.
The new position in the 'stream'.
'''
val, = SINT8(data, offset)
return val, offset + 1
def getUInt8(data, offset):
'''
Returns a single unsingned 8-Bit value (byte).
Args:
data
A binary string.
offset
The zero based offset of the byte.
Returns:
The unsigned 8-Bit value at offset.
The new position in the 'stream'.
'''
val, = UINT8(data, offset)
return val, offset + 1
def getUInt8A(data, offset, size):
'''
Returns an array of unsingned 8-Bit values (bytes).
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of unsigned 8-Bit values at offset.
The new position in the 'stream'.
'''
end = int(offset + size)
assert end <= len(data), "Trying to read UInt8 array beyond data end (%d, %X > %X)" %(size, end, len(data))
val = unpack_from('<' +'B'*int(size), data, offset)
return val, end
def getUInt16(data, offset):
'''
Returns a single unsingned 16-Bit value.
Args:
data
A binary string.
offset
The zero based offset of the unsigned 16-Bit value.
Returns:
The unsigned 16-Bit value at offset.
The new position in the 'stream'.
'''
val, = UINT16(data, offset)
return val, offset + 2
def getUInt16A(data, offset, size):
'''
Returns an array of unsingned 16-Bit values.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of unsigned 16-Bit values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' +'H'*int(size), data, offset)
return val, int(offset + 2 * size)
def getSInt16(data, offset):
'''
Returns a single signed 16-Bit value.
Args:
data
A binary string.
offset
The zero based offset of the signed 16-Bit value.
Returns:
The signed 16-Bit value at offset.
The new position in the 'stream'.
'''
val, = SINT16(data, offset)
return val, offset + 2
def getSInt16A(data, offset, size):
'''
Returns an array of single signed 16-Bit values.
Args:
data
A binary string.
offset
The zero based offset of the signed 16-Bit value.
size
The size of the array.
Returns:
The array of unsigned 32-Bit values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' +'h'*int(size), data, offset)
return val, int(offset + 2 * size)
def getUInt32(data, offset):
'''
Returns a single unsingned 32-Bit value.
Args:
data
A binary string.
offset
The zero based offset of the unsigned 32-Bit value.
Returns:
The unsigned 32-Bit value at offset.
The new position in the 'stream'.
'''
val, = UINT32(data, offset)
return val, offset + 4
def getUInt64(data, offset):
'''
Returns a single unsingned 64-Bit value.
Args:
data
A binary string.
offset
The zero based offset of the unsigned 64-Bit value.
Returns:
The unsigned 64-Bit value at offset.
The new position in the 'stream'.
'''
val, = UINT64(data, offset)
return val, offset + 8
def getUInt32A(data, offset, size):
'''
Returns an array of unsingned 32-Bit values.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of unsigned 32-Bit values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' +'L'*int(size), data, offset)
return val, int(offset + 4 * size)
def getUInt64A(data, offset, size):
'''
Returns an array of unsingned 64-Bit values.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of unsigned 64-Bit values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' +'Q'*int(size), data, offset)
return val, int(offset + 8 * size)
def getSInt32(data, offset):
'''
Returns a single signed 32-Bit value.
Args:
data
A binary string.
offset
The zero based offset of the signed 32-Bit value.
Returns:
The signed 32-Bit value at offset.
The new position in the 'stream'.
'''
val, = SINT32(data, offset)
return val, offset + 4
def getSInt64(data, offset):
'''
Returns a single signed 64-Bit value.
Args:
data
A binary string.
offset
The zero based offset of the signed 32-Bit value.
Returns:
The signed 32-Bit value at offset.
The new position in the 'stream'.
'''
val, = SINT64(data, offset)
return val, offset + 8
def getSInt32A(data, offset, size):
'''
Returns an array of signed 32-Bit values.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of signed 32-Bit values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' + 'l'*int(size), data, offset)
return val, int(offset + 4 * size)
def getSInt64A(data, offset, size):
'''
Returns an array of signed 64-Bit values.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of signed 64-Bit values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' + 'q'*int(size), data, offset)
return val, int(offset + 8 * size)
def getFloat32(data, offset):
'''
Returns a double precision float value from a single one.
Args:
data
A binary string.
offset
The zero based offset of the array.
Returns:
The double precision float value at offset from a single one.
The new position in the 'stream'.
'''
val, = FLOAT32(data, offset)
val = float(val)
return val, offset + 4
def getFloat32A(data, offset, size):
'''
Returns an array of double precision float values from a list of single ones.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of double precision float values from a list of single ones at offset.
The new position in the 'stream'.
'''
singles = unpack_from('<' + 'f'*int(size), data, offset)
val = [float(s) for s in singles]
return val, int(offset + 4 * size)
def getFloat32_2D(data, index):
val = FLOAT32_2D(data, index)
return val, int(index + 0x8)
def getFloat32_3D(data, index):
val = FLOAT32_3D(data, index)
return val, int(index + 0xC)
def getFloat64(data, offset):
'''
Returns a double precision float value.
Args:
data
A binary string.
offset
The zero based offset of the array.
Returns:
The double precision float value at offset.
The new position in the 'stream'.
'''
val, = FLOAT64(data, offset)
return val, offset + 8
def getFloat64A(data, offset, size):
'''
Returns an array of double precision float values.
Args:
data
A binary string.
offset
The zero based offset of the array.
size
The size of the array.
Returns:
The array of double precision float values at offset.
The new position in the 'stream'.
'''
val = unpack_from('<' + 'd'*int(size), data, offset)
return val, int(offset + 8 * size)
def getFloat64_2D(data, index):
val = FLOAT64_2D(data, index)
return VEC(val + (0.0,)), int(index + 0x10)
def getFloat64_3D(data, index):
val = FLOAT64_3D(data, index)
return VEC(val), int(index + 0x18)
def getColorRGBA(data, offset):
r, g, b, a = RGBA(data, offset)
c = Color(r, g, b, a)
return c, offset + 0x10
class UID(object):
def __init__(self, str = None, bytes_le = None):
if (bytes_le):
self.time_low = (bytes_le[ 3] << 24) | (bytes_le[2] << 16) | (bytes_le[1] << 8) | bytes_le[0]
self.val1 = (bytes_le[ 5] << 8) | bytes_le[4]
self.val2 = (bytes_le[ 7] << 8) | bytes_le[6]
self.val3 = (bytes_le[ 8] << 8) | bytes_le[9]
self.val4 = (bytes_le[10] << 40) | (bytes_le[11] << 32) | (bytes_le[12] << 24) | (bytes_le[13] << 16) | (bytes_le[12] << 24) | (bytes_le[13] << 16) | (bytes_le[14] << 8) | bytes_le[15]
elif (str):
vals = str.split('-')
self.time_low = int(vals[0], 16)
self.val1 = int(vals[1], 16)
self.val2 = int(vals[2], 16)
self.val3 = int(vals[3], 16)
self.val4 = int(vals[4], 16)
else:
raise AttributeError("wrong argument type")
@property
def hex(self): return "%08x%04x%04x%04x%012x"%(self.time_low, self.val1, self.val2, self.val3, self.val4)
def __str__(self): return "%08X-%04X-%04X-%04X-%012X"%(self.time_low, self.val1, self.val2, self.val3, self.val4)
def __repr__(self): return self.__str__()
def __hash__(self): return hash((type(self),) + tuple(self.__dict__.values()))
def __eq__(self, other):
if (type(other) in ['tuple', 'list']) and len(other) == 8:
if (self.time_low != (other[ 3] << 24) | (other[2] << 16) | (other[1] << 8) | other[0]): return False
if (self.val1 != (other[ 5] << 8) | other[4]): return False
if (self.val2 != (other[ 7] << 8) | other[6]): return False
if (self.val3 != (other[ 8] << 8) | other[9]): return False
return self.val4 == (other[10] << 40) | (other[11] << 32) | (other[12] << 24) | (other[13] << 16) | (other[12] << 24) | (other[13] << 16) | (other[14] << 8) | other[15]
if (isinstance(other, UID)):
if (self.time_low != other.time_low): return False
if (self.val1 != other.val1): return False
if (self.val2 != other.val2): return False
if (self.val3 != other.val3): return False
return self.val4 == other.val4
return False
def getUUID(data, offset):
'''
Returns a UID.
Args:
data
A binary string.
offset
The zero based offset of the UID.
Returns:
The UID at offset.
The new position in the 'stream'.
'''
end = offset + 16
val = UID(bytes_le=data[offset:end])
return val, end
def getDateTime(data, offset):
'''
Returns a timestamp (datetime).
Args:
data
A binary string.
offset
The zero based offset of the timestamp.
Returns:
The timestamp at offset.
The new position in the 'stream'.
'''
val, = DATETIME(data, offset)
if val != 0:
return datetime.datetime(1601, 1, 1) + datetime.timedelta(microseconds=val/10.), offset + 8
return None, offset + 8
def getText8(data, offset, l):
i = offset
end = i + l
try:
txt = data[i: end].decode(ENCODING_FS)
except:
txt = data[i: end].decode('ansi')
if (txt[-1:] == '\0'):
txt = txt[:-1]
if (txt[-1:] == '\n'):
txt = txt[:-1]
return txt, end
def getLen8Text8(data, offset):
l, i = getUInt8(data, offset)
txt, i = getText8(data, i, l)
return txt, i
def getLen32Text8(data, offset):
l, i = getUInt32(data, offset)
try:
txt, i = getText8(data, i, l)
except UnicodeDecodeError:
txt = data[i:i+l]
i += l
return txt, i
def getLen32Text16(data, offset):
l, i = getUInt32(data, offset)
end = i + 2 * l
txt = data[i: end].decode('UTF-16LE')
if (txt[-1:] == '\0'):
txt = txt[:-1]
if (txt[-1:] == '\n'):
txt = txt[:-1]
return txt, end
def getUidText(uid):
b = uid.hex
try:
return UUID_NAMES[b]
except:
#logError(u" Can't find name for type %s!", b)
return uid
def FloatArr2Str(arr):
return (', '.join(['%g' %(f) for f in arr]))
def IntArr2Str(arr, width):
fmt = '%0{0}X'.format(width)
return (','.join([fmt %(h) for h in arr]))
def Int2DArr2Str(arr, width):
fmt = '%0{0}X'.format(width)
return ','.join(['['+ ','.join([fmt %(h) for h in a])+']' for a in arr])
def PrintableName(fname):
return repr('/'.join(fname))
def decode(filename, utf=False):
if (sys.version_info.major < 3):
if (isinstance(filename, unicode)):
# workaround since ifcopenshell currently can't handle unicode filenames
encoding = ENCODING_FS if (utf) else sys.getfilesystemencoding()
filename = filename.encode(encoding).decode("utf-8")
return filename
def isEmbeddings(names):
return 'RSeEmbeddings' in names
def isEqual(a, b, e = 0.0001):
if (a is None): return isEqual(b, CENTER)
if (b is None): return isEqual(a, CENTER)
return ((a - b).Length < e)
def isEqual1D(a, b, e = 0.0001):
if (a is None): return isEqual1D(b, 0.0)
if (b is None): return isEqual1D(a, 0.0)
return abs(a - b) < e
def _log(caller, method, msg, args):
try:
s = u"%s\n" %(msg)
if (len(args) > 0):
method(s %args)
else:
method(s)
except:
Console.PrintError("FATAL ERROR in %s:\n" %(caller))
Console.PrintError("msg = " + msg)
if (len(args) > 0): Console.PrintError("*args = (%s)" %(",".join(args)))
def setLoggingInfo(val):
__prmPrefOW__.SetInt("checkLogging", val)
def setLoggingWarn(val):
__prmPrefOW__.SetInt("checkWarning", val)
def setLoggingError(val):
__prmPrefOW__.SetInt("checkError", val)
def logInfo(msg, *args):
if (__prmPrefOW__.GetBool("checkLogging", False)): _log("logInfo", Console.PrintMessage, msg, args)
def logWarning(msg, *args):
if (__prmPrefOW__.GetBool("checkWarning", False)): _log("logWarning", Console.PrintWarning, msg, args)
def logError(msg, *args):
if (__prmPrefOW__.GetBool("checkError", True)): _log("logError", Console.PrintError, msg, args)
def logAlways(msg, *args):
_log("logAlways", Console.PrintMessage, msg, args)
def getFileVersion():
global _fileVersion
return _fileVersion
def getFileBeta():
global _fileBeta
return _fileBeta
def getBlockSize():
global _block_size
return _block_size
def getProperty(ole, path, key):
p = ole.getproperties([path], convert_time=True)
try:
property = p[key]
if (isString(property)):
if (property[-1] == '\x00'):
return property[0:-1]
return property
except:
return None
def setFileVersion(version):
global _fileVersion, _block_size
_fileVersion = version