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45 lines
1.8 KiB
Python
Executable File
45 lines
1.8 KiB
Python
Executable File
# Copyright (c) 2017 Aleph Objects, Inc.
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# Cura is released under the terms of the LGPLv3 or higher.
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from UM.FileHandler.FileReader import FileReader
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from UM.Mesh.MeshReader import MeshReader
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from UM.i18n import i18nCatalog
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from UM.Preferences import Preferences
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catalog = i18nCatalog("cura")
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from . import MarlinFlavorParser, RepRapFlavorParser
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# Class for loading and parsing G-code files
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class GCodeReader(MeshReader):
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_flavor_default = "Marlin"
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_flavor_keyword = ";FLAVOR:"
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_flavor_readers_dict = {"RepRap" : RepRapFlavorParser.RepRapFlavorParser(),
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"Marlin" : MarlinFlavorParser.MarlinFlavorParser()}
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def __init__(self):
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super(GCodeReader, self).__init__()
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self._supported_extensions = [".gcode", ".g"]
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self._flavor_reader = None
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Preferences.getInstance().addPreference("gcodereader/show_caution", True)
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# PreRead is used to get the correct flavor. If not, Marlin is set by default
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def preRead(self, file_name, *args, **kwargs):
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with open(file_name, "r") as file:
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for line in file:
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if line[:len(self._flavor_keyword)] == self._flavor_keyword:
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try:
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self._flavor_reader = self._flavor_readers_dict[line[len(self._flavor_keyword):].rstrip()]
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return FileReader.PreReadResult.accepted
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except:
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# If there is no entry in the dictionary for this flavor, just skip and select the by-default flavor
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break
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# If no flavor is found in the GCode, then we use the by-default
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self._flavor_reader = self._flavor_readers_dict[self._flavor_default]
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return FileReader.PreReadResult.accepted
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def read(self, file_name):
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return self._flavor_reader.processGCodeFile(file_name)
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