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': '0',
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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 'model_scale': '1.0',
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50 'model_rotate_base': '0',
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51 'model_multiply_x': '1',
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52 'model_multiply_y': '1',
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53 'extra_base_wall_thickness': '0.0',
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54 'sequence': 'Loops > Perimeter > Infill',
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55 'force_first_layer_sequence': 'True',
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56 'infill_type': 'Line',
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57 'solid_top': 'True',
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58 'fill_overlap': '15',
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59 'support_rate': '50',
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60 'support_distance': '0.5',
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62 'enable_skin': 'False',
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63 'enable_raft': 'False',
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64 'cool_min_feedrate': '5',
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65 'bridge_speed': '100',
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67 'raft_base_material_amount': '100',
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68 'raft_interface_material_amount': '100',
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69 'bottom_thickness': '0.3',
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71 'enable_dwindle': 'False',
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72 'dwindle_pent_up_volume': '0.4',
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73 'dwindle_slowdown_volume': '5.0',
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75 'add_start_end_gcode': 'True',
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76 'gcode_extension': 'gcode',
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77 'alternative_center': '',
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81 alterationDefault = {
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82 #######################################################################################
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83 'start.gcode': """;Sliced at: {day} {date} {time}
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84 ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}
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86 G90 ;absolute positioning
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87 M107 ;start with the fan off
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89 G28 X0 Y0 ;move X/Y to min endstops
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90 G28 Z0 ;move Z to min endstops
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92 ; if your prints start too high, try changing the Z0.0 below
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93 ; to Z1.0 - the number after the Z is the actual, physical
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94 ; height of the nozzle in mm. This can take some messing around
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95 ; with to get just right...
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96 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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98 G92 E0 ;zero the extruded length
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100 G1 F200 E5 ;extrude 5mm of feed stock
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101 G1 F200 E3.5 ;reverse feed stock by 1.5mm
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102 G92 E0 ;zero the extruded length again
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104 ;go to the middle of the platform, and move to Z=0 before starting the print.
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105 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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106 G1 Z0.0 F{max_z_speed}
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108 #######################################################################################
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109 'end.gcode': """;End GCode
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110 M104 S0 ;extruder heat off
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111 G91 ;relative positioning
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112 G1 Z+10 E-5 F{max_z_speed} ;move Z up a bit and retract filament by 5mm
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113 G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way
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115 G90 ;absolute positioning
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117 #######################################################################################
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118 'support_start.gcode': '',
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119 'support_end.gcode': '',
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120 'cool_start.gcode': '',
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121 'cool_end.gcode': '',
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123 #######################################################################################
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124 '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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126 G1 Z{clear_z} E-5 F{max_z_speed}
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128 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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131 G1 Z0 F{max_z_speed}
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133 #######################################################################################
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134 'switchExtruder.gcode': """;Switch between the current extruder and the next extruder, when printing with multiple extruders.
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142 preferencesDefaultSettings = {
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143 'wizardDone': 'False',
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144 'startMode': 'Simple',
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146 'machine_width': '205',
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147 'machine_depth': '205',
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148 'machine_height': '200',
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149 'extruder_amount': '1',
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150 'extruder_offset_x1': '-22.0',
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151 'extruder_offset_y1': '0.0',
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152 'extruder_offset_x2': '0.0',
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153 'extruder_offset_y2': '0.0',
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154 'extruder_offset_x3': '0.0',
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155 'extruder_offset_y3': '0.0',
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156 'filament_density': '1300',
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157 'steps_per_e': '0',
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158 'serial_port': 'AUTO',
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159 'serial_baud': '250000',
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160 'slicer': 'Cura (Skeinforge based)',
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161 'save_profile': 'False',
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162 'filament_cost_kg': '0',
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163 'filament_cost_meter': '0',
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165 'sdshortnames': 'True',
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167 'extruder_head_size_min_x': '70.0',
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168 'extruder_head_size_min_y': '18.0',
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169 'extruder_head_size_max_x': '18.0',
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170 'extruder_head_size_max_y': '35.0',
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173 #########################################################
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174 ## Profile and preferences functions
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175 #########################################################
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177 ## Profile functions
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178 def getDefaultProfilePath():
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179 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
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180 #If we have a frozen python install, we need to step out of the library.zip
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181 if hasattr(sys, 'frozen'):
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182 basePath = os.path.normpath(os.path.join(basePath, ".."))
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183 return os.path.normpath(os.path.join(basePath, "current_profile.ini"))
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185 def loadGlobalProfile(filename):
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186 #Read a configuration file as global config
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187 global globalProfileParser
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188 globalProfileParser = ConfigParser.ConfigParser()
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189 globalProfileParser.read(filename)
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191 def resetGlobalProfile():
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192 #Read a configuration file as global config
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193 global globalProfileParser
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194 globalProfileParser = ConfigParser.ConfigParser()
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196 def saveGlobalProfile(filename):
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197 #Save the current profile to an ini file
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198 globalProfileParser.write(open(filename, 'w'))
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200 def loadGlobalProfileFromString(options):
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201 global globalProfileParser
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202 globalProfileParser = ConfigParser.ConfigParser()
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203 globalProfileParser.add_section('profile')
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204 globalProfileParser.add_section('alterations')
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205 options = base64.b64decode(options)
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206 options = zlib.decompress(options)
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207 (profileOpts, alt) = options.split('\f', 1)
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208 for option in profileOpts.split('\b'):
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209 if len(option) > 0:
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210 (key, value) = option.split('=', 1)
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211 globalProfileParser.set('profile', key, value)
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212 for option in alt.split('\b'):
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213 if len(option) > 0:
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214 (key, value) = option.split('=', 1)
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215 globalProfileParser.set('alterations', key, value)
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217 def getGlobalProfileString():
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218 global globalProfileParser
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219 if not globals().has_key('globalProfileParser'):
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220 loadGlobalProfile(getDefaultProfilePath())
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225 if globalProfileParser.has_section('profile'):
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226 for key in globalProfileParser.options('profile'):
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227 if key in tempOverride:
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228 p.append(key + "=" + unicode(tempOverride[key]))
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229 tempDone.append(key)
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231 p.append(key + "=" + globalProfileParser.get('profile', key))
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232 if globalProfileParser.has_section('alterations'):
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233 for key in globalProfileParser.options('alterations'):
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234 if key in tempOverride:
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235 p.append(key + "=" + tempOverride[key])
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236 tempDone.append(key)
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238 alt.append(key + "=" + globalProfileParser.get('alterations', key))
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239 for key in tempOverride:
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240 if key not in tempDone:
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241 p.append(key + "=" + unicode(tempOverride[key]))
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242 ret = '\b'.join(p) + '\f' + '\b'.join(alt)
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243 ret = base64.b64encode(zlib.compress(ret, 9))
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246 def getProfileSetting(name):
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247 if name in tempOverride:
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248 return unicode(tempOverride[name])
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249 #Check if we have a configuration file loaded, else load the default.
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250 if not globals().has_key('globalProfileParser'):
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251 loadGlobalProfile(getDefaultProfilePath())
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252 if not globalProfileParser.has_option('profile', name):
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253 if name in profileDefaultSettings:
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254 default = profileDefaultSettings[name]
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256 print("Missing default setting for: '" + name + "'")
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257 profileDefaultSettings[name] = ''
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259 if not globalProfileParser.has_section('profile'):
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260 globalProfileParser.add_section('profile')
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261 globalProfileParser.set('profile', name, str(default))
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262 #print(name + " not found in profile, so using default: " + str(default))
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264 return globalProfileParser.get('profile', name)
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266 def getProfileSettingFloat(name):
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268 return float(eval(getProfileSetting(name), {}, {}))
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269 except (ValueError, SyntaxError):
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272 def putProfileSetting(name, value):
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273 #Check if we have a configuration file loaded, else load the default.
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274 if not globals().has_key('globalProfileParser'):
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275 loadGlobalProfile(getDefaultProfilePath())
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276 if not globalProfileParser.has_section('profile'):
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277 globalProfileParser.add_section('profile')
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278 globalProfileParser.set('profile', name, str(value))
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280 def isProfileSetting(name):
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281 if name in profileDefaultSettings:
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285 ## Preferences functions
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286 global globalPreferenceParser
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287 globalPreferenceParser = None
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289 def getPreferencePath():
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290 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
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291 #If we have a frozen python install, we need to step out of the library.zip
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292 if hasattr(sys, 'frozen'):
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293 basePath = os.path.normpath(os.path.join(basePath, ".."))
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294 return os.path.normpath(os.path.join(basePath, "preferences.ini"))
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296 def getPreferenceFloat(name):
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298 return float(eval(getPreference(name), {}, {}))
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299 except (ValueError, SyntaxError):
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302 def getPreference(name):
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303 if name in tempOverride:
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304 return unicode(tempOverride[name])
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305 global globalPreferenceParser
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306 if globalPreferenceParser == None:
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307 globalPreferenceParser = ConfigParser.ConfigParser()
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308 globalPreferenceParser.read(getPreferencePath())
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309 if not globalPreferenceParser.has_option('preference', name):
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310 if name in preferencesDefaultSettings:
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311 default = preferencesDefaultSettings[name]
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313 print("Missing default setting for: '" + name + "'")
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314 preferencesDefaultSettings[name] = ''
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316 if not globalPreferenceParser.has_section('preference'):
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317 globalPreferenceParser.add_section('preference')
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318 globalPreferenceParser.set('preference', name, str(default))
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319 #print(name + " not found in preferences, so using default: " + str(default))
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321 return unicode(globalPreferenceParser.get('preference', name), "utf-8")
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323 def putPreference(name, value):
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324 #Check if we have a configuration file loaded, else load the default.
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325 global globalPreferenceParser
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326 if globalPreferenceParser == None:
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327 globalPreferenceParser = ConfigParser.ConfigParser()
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328 globalPreferenceParser.read(getPreferencePath())
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329 if not globalPreferenceParser.has_section('preference'):
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330 globalPreferenceParser.add_section('preference')
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331 globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
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332 globalPreferenceParser.write(open(getPreferencePath(), 'w'))
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334 def isPreference(name):
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335 if name in preferencesDefaultSettings:
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339 ## Temp overrides for multi-extruder slicing and the project planner.
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341 def setTempOverride(name, value):
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342 tempOverride[name] = value
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343 def resetTempOverride():
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344 tempOverride.clear()
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346 #########################################################
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347 ## Utility functions to calculate common profile values
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348 #########################################################
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349 def calculateEdgeWidth():
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350 wallThickness = getProfileSettingFloat('wall_thickness')
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351 nozzleSize = getProfileSettingFloat('nozzle_size')
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353 if wallThickness < nozzleSize:
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354 return wallThickness
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356 lineCount = int(wallThickness / nozzleSize)
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357 lineWidth = wallThickness / lineCount
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358 lineWidthAlt = wallThickness / (lineCount + 1)
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359 if lineWidth > nozzleSize * 1.5:
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360 return lineWidthAlt
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363 def calculateLineCount():
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364 wallThickness = getProfileSettingFloat('wall_thickness')
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365 nozzleSize = getProfileSettingFloat('nozzle_size')
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367 if wallThickness < nozzleSize:
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370 lineCount = int(wallThickness / nozzleSize + 0.0001)
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371 lineWidth = wallThickness / lineCount
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372 lineWidthAlt = wallThickness / (lineCount + 1)
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373 if lineWidth > nozzleSize * 1.5:
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374 return lineCount + 1
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377 def calculateSolidLayerCount():
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378 layerHeight = getProfileSettingFloat('layer_height')
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379 solidThickness = getProfileSettingFloat('solid_layer_thickness')
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380 return int(math.ceil(solidThickness / layerHeight - 0.0001))
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382 #########################################################
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383 ## Alteration file functions
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384 #########################################################
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385 def replaceTagMatch(m):
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386 tag = m.group(0)[1:-1]
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388 return time.strftime('%H:%M:%S')
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390 return time.strftime('%d %b %Y')
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392 return time.strftime('%a')
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393 if tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
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394 f = getProfileSettingFloat(tag) * 60
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395 elif isProfileSetting(tag):
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396 f = getProfileSettingFloat(tag)
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397 elif isPreference(tag):
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398 f = getProfileSettingFloat(tag)
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405 ### Get aleration raw contents. (Used internally in Cura)
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406 def getAlterationFile(filename):
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407 #Check if we have a configuration file loaded, else load the default.
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408 if not globals().has_key('globalProfileParser'):
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409 loadGlobalProfile(getDefaultProfilePath())
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411 if not globalProfileParser.has_option('alterations', filename):
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412 if filename in alterationDefault:
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413 default = alterationDefault[filename]
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415 print("Missing default alteration for: '" + filename + "'")
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416 alterationDefault[filename] = ''
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418 if not globalProfileParser.has_section('alterations'):
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419 globalProfileParser.add_section('alterations')
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420 #print("Using default for: %s" % (filename))
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421 globalProfileParser.set('alterations', filename, default)
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422 return unicode(globalProfileParser.get('alterations', filename), "utf-8")
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424 def setAlterationFile(filename, value):
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425 #Check if we have a configuration file loaded, else load the default.
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426 if not globals().has_key('globalProfileParser'):
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427 loadGlobalProfile(getDefaultProfilePath())
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428 if not globalProfileParser.has_section('alterations'):
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429 globalProfileParser.add_section('alterations')
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430 globalProfileParser.set('alterations', filename, value.encode("utf-8"))
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431 saveGlobalProfile(getDefaultProfilePath())
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433 ### Get the alteration file for output. (Used by Skeinforge)
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434 def getAlterationFileContents(filename):
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436 alterationContents = getAlterationFile(filename)
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437 if filename == 'start.gcode':
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438 #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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439 #We also set our steps per E here, if configured.
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440 eSteps = getPreferenceFloat('steps_per_e')
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442 prefix += 'M92 E%f\n' % (eSteps)
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443 temp = getProfileSettingFloat('print_temperature')
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444 if temp > 0 and not '{print_temperature}' in alterationContents:
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445 prefix += 'M109 S%f\n' % (temp)
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446 elif filename == 'replace.csv':
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447 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
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448 prefix = 'M101\nM103\n'
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450 return unicode(prefix + re.sub("\{[^\}]*\}", replaceTagMatch, alterationContents).rstrip() + '\n').encode('utf-8')
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