1 from __future__ import absolute_import
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2 from __future__ import division
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3 #Init has to be imported first because it has code to workaround the python bug where relative imports don't work if the module is imported as a main module.
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6 import os, traceback, math, re, zlib, base64, time, sys
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7 if sys.version_info[0] < 3:
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10 import configparser as ConfigParser
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12 #########################################################
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13 ## Default settings when none are found.
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14 #########################################################
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16 #Single place to store the defaults, so we have a consistent set of default settings.
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17 profileDefaultSettings = {
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18 'nozzle_size': '0.4',
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19 'layer_height': '0.2',
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20 'wall_thickness': '0.8',
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21 'solid_layer_thickness': '0.6',
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22 'fill_density': '20',
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23 'skirt_line_count': '1',
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25 'print_speed': '50',
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26 'print_temperature': '230',
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28 'filament_diameter': '2.89',
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29 'filament_density': '1.00',
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30 'machine_center_x': '100',
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31 'machine_center_y': '100',
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32 'retraction_min_travel': '5.0',
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33 'retraction_speed': '40.0',
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34 'retraction_amount': '0.0',
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35 'retraction_extra': '0.0',
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36 'retract_on_jumps_only': 'True',
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37 'travel_speed': '150',
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38 'max_z_speed': '3.0',
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39 'bottom_layer_speed': '20',
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40 'cool_min_layer_time': '10',
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41 'fan_enabled': 'True',
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44 'fan_speed_max': '100',
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45 'model_scale': '1.0',
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51 'model_rotate_base': '0',
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52 'model_multiply_x': '1',
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53 'model_multiply_y': '1',
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54 'extra_base_wall_thickness': '0.0',
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55 'sequence': 'Loops > Perimeter > Infill',
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56 'force_first_layer_sequence': 'True',
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57 'infill_type': 'Line',
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58 'solid_top': 'True',
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59 'fill_overlap': '15',
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60 'support_rate': '50',
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61 'support_distance': '0.5',
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63 'enable_skin': 'False',
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64 'enable_raft': 'False',
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65 'cool_min_feedrate': '5',
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66 'bridge_speed': '100',
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68 'raft_base_material_amount': '100',
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69 'raft_interface_material_amount': '100',
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70 'bottom_thickness': '0.3',
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72 'enable_dwindle': 'False',
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73 'dwindle_pent_up_volume': '0.4',
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74 'dwindle_slowdown_volume': '5.0',
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76 'add_start_end_gcode': 'True',
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77 'gcode_extension': 'gcode',
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78 'alternative_center': '',
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82 alterationDefault = {
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83 #######################################################################################
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84 'start.gcode': """;Sliced {filename} at: {day} {date} {time}
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85 ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}
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86 ;Print time: {print_time}
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87 ;Filament used: {filament_amount}m {filament_weight}g
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88 ;Filament cost: {filament_cost}
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90 G90 ;absolute positioning
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91 M107 ;start with the fan off
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93 G28 X0 Y0 ;move X/Y to min endstops
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94 G28 Z0 ;move Z to min endstops
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95 G92 X0 Y0 Z0 E0 ;reset software position to front/left/z=0.0
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97 G1 Z15.0 F{max_z_speed} ;move the platform down 15mm
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99 G92 E0 ;zero the extruded length
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100 G1 F200 E3 ;extrude 3mm of feed stock
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101 G92 E0 ;zero the extruded length again
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103 ;go to the middle of the platform (disabled, as there is no need to go to the center)
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104 ;G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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107 #######################################################################################
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108 'end.gcode': """;End GCode
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109 M104 S0 ;extruder heater off
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110 M140 S0 ;heated bed heater off (if you have it)
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112 G91 ;relative positioning
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113 G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure
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114 G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
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115 G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way
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118 G90 ;absolute positioning
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120 #######################################################################################
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121 'support_start.gcode': '',
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122 'support_end.gcode': '',
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123 'cool_start.gcode': '',
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124 'cool_end.gcode': '',
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126 #######################################################################################
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127 'nextobject.gcode': """;Move to next object on the platform. clear_z is the minimal z height we need to make sure we do not hit any objects.
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130 G91 ;relative positioning
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131 G1 E-1 F300 ;retract the filament a bit before lifting the nozzle, to release some of the pressure
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132 G1 Z+0.5 E-5 F{travel_speed} ;move Z up a bit and retract filament even more
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133 G90 ;absolute positioning
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135 G1 Z{clear_z} F{max_z_speed}
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137 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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141 #######################################################################################
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142 'switchExtruder.gcode': """;Switch between the current extruder and the next extruder, when printing with multiple extruders.
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150 preferencesDefaultSettings = {
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151 'wizardDone': 'False',
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152 'startMode': 'Simple',
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154 'machine_width': '205',
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155 'machine_depth': '205',
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156 'machine_height': '200',
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157 'machine_type': 'unknown',
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158 'extruder_amount': '1',
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159 'extruder_offset_x1': '-22.0',
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160 'extruder_offset_y1': '0.0',
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161 'extruder_offset_x2': '0.0',
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162 'extruder_offset_y2': '0.0',
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163 'extruder_offset_x3': '0.0',
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164 'extruder_offset_y3': '0.0',
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165 'filament_density': '1300',
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166 'steps_per_e': '0',
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167 'serial_port': 'AUTO',
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168 'serial_baud': 'AUTO',
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169 'slicer': 'Cura (Skeinforge based)',
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170 'save_profile': 'False',
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171 'filament_cost_kg': '0',
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172 'filament_cost_meter': '0',
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174 'sdshortnames': 'True',
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176 'extruder_head_size_min_x': '70.0',
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177 'extruder_head_size_min_y': '18.0',
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178 'extruder_head_size_max_x': '18.0',
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179 'extruder_head_size_max_y': '35.0',
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182 #########################################################
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183 ## Profile and preferences functions
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184 #########################################################
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186 ## Profile functions
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187 def getDefaultProfilePath():
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188 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
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189 #If we have a frozen python install, we need to step out of the library.zip
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190 if hasattr(sys, 'frozen'):
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191 basePath = os.path.normpath(os.path.join(basePath, ".."))
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192 return os.path.normpath(os.path.join(basePath, "current_profile.ini"))
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194 def loadGlobalProfile(filename):
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195 #Read a configuration file as global config
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196 global globalProfileParser
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197 globalProfileParser = ConfigParser.ConfigParser()
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198 globalProfileParser.read(filename)
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200 def resetGlobalProfile():
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201 #Read a configuration file as global config
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202 global globalProfileParser
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203 globalProfileParser = ConfigParser.ConfigParser()
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205 def saveGlobalProfile(filename):
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206 #Save the current profile to an ini file
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207 globalProfileParser.write(open(filename, 'w'))
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209 def loadGlobalProfileFromString(options):
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210 global globalProfileParser
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211 globalProfileParser = ConfigParser.ConfigParser()
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212 globalProfileParser.add_section('profile')
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213 globalProfileParser.add_section('alterations')
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214 options = base64.b64decode(options)
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215 options = zlib.decompress(options)
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216 (profileOpts, alt) = options.split('\f', 1)
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217 for option in profileOpts.split('\b'):
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218 if len(option) > 0:
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219 (key, value) = option.split('=', 1)
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220 globalProfileParser.set('profile', key, value)
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221 for option in alt.split('\b'):
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222 if len(option) > 0:
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223 (key, value) = option.split('=', 1)
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224 globalProfileParser.set('alterations', key, value)
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226 def getGlobalProfileString():
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227 global globalProfileParser
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228 if not globals().has_key('globalProfileParser'):
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229 loadGlobalProfile(getDefaultProfilePath())
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234 if globalProfileParser.has_section('profile'):
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235 for key in globalProfileParser.options('profile'):
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236 if key in tempOverride:
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237 p.append(key + "=" + unicode(tempOverride[key]))
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238 tempDone.append(key)
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240 p.append(key + "=" + globalProfileParser.get('profile', key))
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241 if globalProfileParser.has_section('alterations'):
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242 for key in globalProfileParser.options('alterations'):
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243 if key in tempOverride:
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244 p.append(key + "=" + tempOverride[key])
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245 tempDone.append(key)
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247 alt.append(key + "=" + globalProfileParser.get('alterations', key))
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248 for key in tempOverride:
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249 if key not in tempDone:
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250 p.append(key + "=" + unicode(tempOverride[key]))
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251 ret = '\b'.join(p) + '\f' + '\b'.join(alt)
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252 ret = base64.b64encode(zlib.compress(ret, 9))
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255 def getProfileSetting(name):
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256 if name in tempOverride:
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257 return unicode(tempOverride[name])
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258 #Check if we have a configuration file loaded, else load the default.
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259 if not globals().has_key('globalProfileParser'):
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260 loadGlobalProfile(getDefaultProfilePath())
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261 if not globalProfileParser.has_option('profile', name):
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262 if name in profileDefaultSettings:
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263 default = profileDefaultSettings[name]
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265 print("Missing default setting for: '" + name + "'")
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266 profileDefaultSettings[name] = ''
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268 if not globalProfileParser.has_section('profile'):
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269 globalProfileParser.add_section('profile')
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270 globalProfileParser.set('profile', name, str(default))
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271 #print(name + " not found in profile, so using default: " + str(default))
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273 return globalProfileParser.get('profile', name)
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275 def getProfileSettingFloat(name):
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277 return float(eval(getProfileSetting(name), {}, {}))
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278 except (ValueError, SyntaxError, TypeError):
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281 def putProfileSetting(name, value):
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282 #Check if we have a configuration file loaded, else load the default.
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283 if not globals().has_key('globalProfileParser'):
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284 loadGlobalProfile(getDefaultProfilePath())
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285 if not globalProfileParser.has_section('profile'):
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286 globalProfileParser.add_section('profile')
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287 globalProfileParser.set('profile', name, str(value))
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289 def isProfileSetting(name):
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290 if name in profileDefaultSettings:
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294 ## Preferences functions
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295 global globalPreferenceParser
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296 globalPreferenceParser = None
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298 def getPreferencePath():
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299 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
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300 #If we have a frozen python install, we need to step out of the library.zip
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301 if hasattr(sys, 'frozen'):
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302 basePath = os.path.normpath(os.path.join(basePath, ".."))
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303 return os.path.normpath(os.path.join(basePath, "preferences.ini"))
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305 def getPreferenceFloat(name):
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307 return float(eval(getPreference(name), {}, {}))
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308 except (ValueError, SyntaxError, TypeError):
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311 def getPreference(name):
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312 if name in tempOverride:
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313 return unicode(tempOverride[name])
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314 global globalPreferenceParser
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315 if globalPreferenceParser == None:
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316 globalPreferenceParser = ConfigParser.ConfigParser()
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317 globalPreferenceParser.read(getPreferencePath())
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318 if not globalPreferenceParser.has_option('preference', name):
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319 if name in preferencesDefaultSettings:
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320 default = preferencesDefaultSettings[name]
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322 print("Missing default setting for: '" + name + "'")
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323 preferencesDefaultSettings[name] = ''
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325 if not globalPreferenceParser.has_section('preference'):
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326 globalPreferenceParser.add_section('preference')
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327 globalPreferenceParser.set('preference', name, str(default))
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328 #print(name + " not found in preferences, so using default: " + str(default))
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330 return unicode(globalPreferenceParser.get('preference', name), "utf-8")
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332 def putPreference(name, value):
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333 #Check if we have a configuration file loaded, else load the default.
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334 global globalPreferenceParser
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335 if globalPreferenceParser == None:
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336 globalPreferenceParser = ConfigParser.ConfigParser()
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337 globalPreferenceParser.read(getPreferencePath())
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338 if not globalPreferenceParser.has_section('preference'):
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339 globalPreferenceParser.add_section('preference')
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340 globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
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341 globalPreferenceParser.write(open(getPreferencePath(), 'w'))
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343 def isPreference(name):
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344 if name in preferencesDefaultSettings:
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348 ## Temp overrides for multi-extruder slicing and the project planner.
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350 def setTempOverride(name, value):
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351 tempOverride[name] = value
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352 def resetTempOverride():
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353 tempOverride.clear()
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355 #########################################################
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356 ## Utility functions to calculate common profile values
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357 #########################################################
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358 def calculateEdgeWidth():
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359 wallThickness = getProfileSettingFloat('wall_thickness')
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360 nozzleSize = getProfileSettingFloat('nozzle_size')
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362 if wallThickness < nozzleSize:
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363 return wallThickness
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365 lineCount = int(wallThickness / nozzleSize)
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366 lineWidth = wallThickness / lineCount
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367 lineWidthAlt = wallThickness / (lineCount + 1)
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368 if lineWidth > nozzleSize * 1.5:
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369 return lineWidthAlt
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372 def calculateLineCount():
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373 wallThickness = getProfileSettingFloat('wall_thickness')
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374 nozzleSize = getProfileSettingFloat('nozzle_size')
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376 if wallThickness < nozzleSize:
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379 lineCount = int(wallThickness / nozzleSize + 0.0001)
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380 lineWidth = wallThickness / lineCount
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381 lineWidthAlt = wallThickness / (lineCount + 1)
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382 if lineWidth > nozzleSize * 1.5:
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383 return lineCount + 1
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386 def calculateSolidLayerCount():
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387 layerHeight = getProfileSettingFloat('layer_height')
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388 solidThickness = getProfileSettingFloat('solid_layer_thickness')
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389 return int(math.ceil(solidThickness / layerHeight - 0.0001))
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391 #########################################################
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392 ## Alteration file functions
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393 #########################################################
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394 def replaceTagMatch(m):
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398 return pre + time.strftime('%H:%M:%S')
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400 return pre + time.strftime('%d %b %Y')
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402 return pre + time.strftime('%a')
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403 if tag == 'print_time':
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404 return pre + '#P_TIME#'
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405 if tag == 'filament_amount':
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406 return pre + '#F_AMNT#'
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407 if tag == 'filament_weight':
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408 return pre + '#F_WGHT#'
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409 if tag == 'filament_cost':
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410 return pre + '#F_COST#'
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411 if pre == 'F' and tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
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412 f = getProfileSettingFloat(tag) * 60
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413 elif isProfileSetting(tag):
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414 f = getProfileSettingFloat(tag)
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415 elif isPreference(tag):
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416 f = getProfileSettingFloat(tag)
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418 return '%s?%s?' % (pre, tag)
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420 return pre + str(int(f))
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421 return pre + str(f)
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423 def replaceGCodeTags(filename, gcodeInt):
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424 f = open(filename, 'r+')
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425 data = f.read(2048)
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426 data = data.replace('#P_TIME#', ('%5d:%02d' % (int(gcodeInt.totalMoveTimeMinute / 60), int(gcodeInt.totalMoveTimeMinute % 60)))[-8:])
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427 data = data.replace('#F_AMNT#', ('%8.2f' % (gcodeInt.extrusionAmount / 1000))[-8:])
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428 data = data.replace('#F_WGHT#', ('%8.2f' % (gcodeInt.calculateWeight() * 1000))[-8:])
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429 cost = gcodeInt.calculateCost()
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432 data = data.replace('#F_COST#', ('%8s' % (cost.split(' ')[0]))[-8:])
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437 ### Get aleration raw contents. (Used internally in Cura)
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438 def getAlterationFile(filename):
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439 #Check if we have a configuration file loaded, else load the default.
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440 if not globals().has_key('globalProfileParser'):
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441 loadGlobalProfile(getDefaultProfilePath())
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443 if not globalProfileParser.has_option('alterations', filename):
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444 if filename in alterationDefault:
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445 default = alterationDefault[filename]
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447 print("Missing default alteration for: '" + filename + "'")
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448 alterationDefault[filename] = ''
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450 if not globalProfileParser.has_section('alterations'):
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451 globalProfileParser.add_section('alterations')
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452 #print("Using default for: %s" % (filename))
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453 globalProfileParser.set('alterations', filename, default)
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454 return unicode(globalProfileParser.get('alterations', filename), "utf-8")
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456 def setAlterationFile(filename, value):
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457 #Check if we have a configuration file loaded, else load the default.
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458 if not globals().has_key('globalProfileParser'):
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459 loadGlobalProfile(getDefaultProfilePath())
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460 if not globalProfileParser.has_section('alterations'):
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461 globalProfileParser.add_section('alterations')
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462 globalProfileParser.set('alterations', filename, value.encode("utf-8"))
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463 saveGlobalProfile(getDefaultProfilePath())
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465 ### Get the alteration file for output. (Used by Skeinforge)
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466 def getAlterationFileContents(filename):
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469 alterationContents = getAlterationFile(filename)
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470 if filename == 'start.gcode':
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471 #For the start code, hack the temperature and the steps per E value into it. So the temperature is reached before the start code extrusion.
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472 #We also set our steps per E here, if configured.
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473 eSteps = getPreferenceFloat('steps_per_e')
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475 prefix += 'M92 E%f\n' % (eSteps)
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476 temp = getProfileSettingFloat('print_temperature')
\r
477 if temp > 0 and not '{print_temperature}' in alterationContents:
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478 prefix += 'M109 S%f\n' % (temp)
\r
479 elif filename == 'end.gcode':
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480 #Append the profile string to the end of the GCode, so we can load it from the GCode file later.
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481 postfix = ';CURA_PROFILE_STRING:%s\n' % (getGlobalProfileString())
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482 elif filename == 'replace.csv':
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483 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
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484 prefix = 'M101\nM103\n'
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486 return unicode(prefix + re.sub("(.)\{([^\}]*)\}", replaceTagMatch, alterationContents).rstrip() + '\n' + postfix).encode('utf-8')
\r