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 ConfigParser, os, traceback, math, re, zlib, base64
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8 #########################################################
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9 ## Default settings when none are found.
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10 #########################################################
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12 #Single place to store the defaults, so we have a consistent set of default settings.
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13 profileDefaultSettings = {
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14 'nozzle_size': '0.4',
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15 'layer_height': '0.2',
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16 'wall_thickness': '0.8',
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17 'solid_layer_thickness': '0.6',
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18 'fill_density': '20',
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19 'skirt_line_count': '1',
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21 'print_speed': '50',
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22 'print_temperature': '0',
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24 'filament_diameter': '2.89',
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25 'filament_density': '1.00',
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26 'machine_center_x': '100',
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27 'machine_center_y': '100',
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28 'retraction_min_travel': '5.0',
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29 'retraction_speed': '40.0',
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30 'retraction_amount': '0.0',
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31 'retraction_extra': '0.0',
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32 'travel_speed': '150',
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33 'max_z_speed': '3.0',
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34 'bottom_layer_speed': '20',
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35 'cool_min_layer_time': '10',
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36 'fan_enabled': 'True',
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39 'model_scale': '1.0',
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45 'model_rotate_base': '0',
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46 'model_multiply_x': '1',
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47 'model_multiply_y': '1',
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48 'extra_base_wall_thickness': '0.0',
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49 'sequence': 'Loops > Perimeter > Infill',
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50 'force_first_layer_sequence': 'True',
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51 'infill_type': 'Line',
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52 'solid_top': 'True',
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53 'fill_overlap': '15',
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54 'support_rate': '50',
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55 'support_distance': '0.5',
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56 'support_margin': '3.0',
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58 'enable_skin': 'False',
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59 'enable_raft': 'False',
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60 'cool_min_feedrate': '5',
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61 'bridge_speed': '100',
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62 'bridge_material_amount': '100',
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64 'raft_base_material_amount': '100',
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65 'raft_interface_material_amount': '100',
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66 'bottom_thickness': '0.3',
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68 'add_start_end_gcode': 'True',
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69 'gcode_extension': 'gcode',
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70 'alternative_center': '',
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74 alterationDefault = {
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75 #######################################################################################
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76 'start.gcode': """;Start GCode
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78 G90 ;absolute positioning
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80 G28 X0 Y0 ;move X/Y to min endstops
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81 G28 Z0 ;move Z to min endstops
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83 ; if your prints start too high, try changing the Z0.0 below
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84 ; to Z1.0 - the number after the Z is the actual, physical
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85 ; height of the nozzle in mm. This can take some messing around
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86 ; with to get just right...
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87 G92 X0 Y0 Z0 E0 ;reset software position to front/left/z=0.0
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88 G1 Z15.0 F{max_z_speed} ;move the platform down 15mm
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89 G92 E0 ;zero the extruded length
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91 G1 F200 E5 ;extrude 5mm of feed stock
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92 G1 F200 E3.5 ;reverse feed stock by 1.5mm
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93 G92 E0 ;zero the extruded length again
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95 ;go to the middle of the platform, and move to Z=0 before starting the print.
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96 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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97 G1 Z0.0 F{max_z_speed}
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99 #######################################################################################
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100 'end.gcode': """;End GCode
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101 M104 S0 ;extruder heat off
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102 G91 ;relative positioning
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103 G1 Z+10 E-5 F{max_z_speed} ;move Z up a bit and retract filament by 5mm
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104 G28 X0 Y0 ;move X/Y to min endstops, so the head is out of the way
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106 G90 ;absolute positioning
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108 #######################################################################################
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109 'support_start.gcode': '',
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110 'support_end.gcode': '',
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111 'cool_start.gcode': '',
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112 'cool_end.gcode': '',
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114 #######################################################################################
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115 '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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117 G1 Z{clear_z} E-5 F{max_z_speed}
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119 G1 X{machine_center_x} Y{machine_center_y} F{travel_speed}
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122 G1 Z0 F{max_z_speed}
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124 #######################################################################################
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126 preferencesDefaultSettings = {
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127 'wizardDone': 'False',
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128 'startMode': 'Simple',
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130 'machine_width': '205',
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131 'machine_depth': '205',
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132 'machine_height': '200',
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133 'extruder_amount': '1',
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134 'extruder_offset_x1': '-22.0',
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135 'extruder_offset_y1': '0.0',
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136 'extruder_offset_x2': '0.0',
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137 'extruder_offset_y2': '0.0',
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138 'extruder_offset_x3': '0.0',
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139 'extruder_offset_y3': '0.0',
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140 'filament_density': '1300',
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141 'steps_per_e': '0',
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142 'serial_port': 'AUTO',
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143 'serial_baud': '250000',
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144 'slicer': 'Cura (Skeinforge based)',
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145 'save_profile': 'False',
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146 'filament_cost_kg': '0',
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147 'filament_cost_meter': '0',
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149 'extruder_head_size_min_x': '70.0',
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150 'extruder_head_size_min_y': '18.0',
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151 'extruder_head_size_max_x': '18.0',
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152 'extruder_head_size_max_y': '35.0',
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155 #########################################################
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156 ## Profile and preferences functions
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157 #########################################################
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159 ## Profile functions
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160 def getDefaultProfilePath():
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161 return os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../current_profile.ini"))
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163 def loadGlobalProfile(filename):
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164 #Read a configuration file as global config
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165 global globalProfileParser
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166 globalProfileParser = ConfigParser.ConfigParser()
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167 globalProfileParser.read(filename)
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169 def saveGlobalProfile(filename):
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170 #Save the current profile to an ini file
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171 globalProfileParser.write(open(filename, 'w'))
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173 def loadGlobalProfileFromString(options):
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174 global globalProfileParser
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175 globalProfileParser = ConfigParser.ConfigParser()
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176 globalProfileParser.add_section('profile')
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177 globalProfileParser.add_section('alterations')
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178 options = base64.b64decode(options)
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179 options = zlib.decompress(options)
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180 (profileOpts, alt) = options.split('\f', 1)
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181 for option in profileOpts.split('\b'):
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182 (key, value) = option.split('=', 1)
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183 globalProfileParser.set('profile', key, value)
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184 for option in alt.split('\b'):
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185 (key, value) = option.split('=', 1)
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186 globalProfileParser.set('alterations', key, value)
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188 def getGlobalProfileString():
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189 global globalProfileParser
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190 if not globals().has_key('globalProfileParser'):
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191 loadGlobalProfile(getDefaultProfilePath())
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196 if globalProfileParser.has_section('profile'):
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197 for key in globalProfileParser.options('profile'):
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198 if key in tempOverride:
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199 p.append(key + "=" + unicode(tempOverride[key]))
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200 tempDone.append(key)
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202 p.append(key + "=" + globalProfileParser.get('profile', key))
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203 if globalProfileParser.has_section('alterations'):
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204 for key in globalProfileParser.options('alterations'):
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205 if key in tempOverride:
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206 p.append(key + "=" + tempOverride[key])
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207 tempDone.append(key)
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209 alt.append(key + "=" + globalProfileParser.get('alterations', key))
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210 for key in tempOverride:
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211 if key not in tempDone:
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212 p.append(key + "=" + unicode(tempOverride[key]))
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213 ret = '\b'.join(p) + '\f' + '\b'.join(alt)
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214 ret = base64.b64encode(zlib.compress(ret, 9))
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217 def getProfileSetting(name):
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218 if name in tempOverride:
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219 return unicode(tempOverride[name])
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220 #Check if we have a configuration file loaded, else load the default.
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221 if not globals().has_key('globalProfileParser'):
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222 loadGlobalProfile(getDefaultProfilePath())
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223 if not globalProfileParser.has_option('profile', name):
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224 if name in profileDefaultSettings:
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225 default = profileDefaultSettings[name]
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227 print "Missing default setting for: '" + name + "'"
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228 profileDefaultSettings[name] = ''
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230 if not globalProfileParser.has_section('profile'):
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231 globalProfileParser.add_section('profile')
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232 globalProfileParser.set('profile', name, str(default))
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233 #print name + " not found in profile, so using default: " + str(default)
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235 return globalProfileParser.get('profile', name)
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237 def getProfileSettingFloat(name):
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239 return float(eval(getProfileSetting(name), {}, {}))
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240 except (ValueError, SyntaxError):
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243 def putProfileSetting(name, value):
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244 #Check if we have a configuration file loaded, else load the default.
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245 if not globals().has_key('globalProfileParser'):
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246 loadGlobalProfile(getDefaultProfilePath())
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247 if not globalProfileParser.has_section('profile'):
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248 globalProfileParser.add_section('profile')
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249 globalProfileParser.set('profile', name, str(value))
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251 def isProfileSetting(name):
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252 if name in profileDefaultSettings:
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256 ## Preferences functions
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257 global globalPreferenceParser
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258 globalPreferenceParser = None
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260 def getPreferencePath():
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261 return os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../preferences.ini"))
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263 def getPreferenceFloat(name):
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265 return float(eval(getPreference(name), {}, {}))
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266 except (ValueError, SyntaxError):
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269 def getPreference(name):
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270 if name in tempOverride:
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271 return unicode(tempOverride[name])
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272 global globalPreferenceParser
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273 if globalPreferenceParser == None:
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274 globalPreferenceParser = ConfigParser.ConfigParser()
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275 globalPreferenceParser.read(getPreferencePath())
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276 if not globalPreferenceParser.has_option('preference', name):
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277 if name in preferencesDefaultSettings:
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278 default = preferencesDefaultSettings[name]
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280 print "Missing default setting for: '" + name + "'"
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281 preferencesDefaultSettings[name] = ''
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283 if not globalPreferenceParser.has_section('preference'):
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284 globalPreferenceParser.add_section('preference')
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285 globalPreferenceParser.set('preference', name, str(default))
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286 #print name + " not found in preferences, so using default: " + str(default)
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288 return unicode(globalPreferenceParser.get('preference', name), "utf-8")
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290 def putPreference(name, value):
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291 #Check if we have a configuration file loaded, else load the default.
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292 global globalPreferenceParser
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293 if globalPreferenceParser == None:
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294 globalPreferenceParser = ConfigParser.ConfigParser()
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295 globalPreferenceParser.read(getPreferencePath())
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296 if not globalPreferenceParser.has_section('preference'):
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297 globalPreferenceParser.add_section('preference')
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298 globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
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299 globalPreferenceParser.write(open(getPreferencePath(), 'w'))
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301 def isPreference(name):
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302 if name in preferencesDefaultSettings:
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306 ## Temp overrides for multi-extruder slicing and the project planner.
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308 def setTempOverride(name, value):
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309 tempOverride[name] = value
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310 def resetTempOverride():
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311 tempOverride.clear()
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313 #########################################################
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314 ## Utility functions to calculate common profile values
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315 #########################################################
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316 def calculateEdgeWidth():
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317 wallThickness = getProfileSettingFloat('wall_thickness')
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318 nozzleSize = getProfileSettingFloat('nozzle_size')
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320 if wallThickness < nozzleSize:
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321 return wallThickness
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323 lineCount = int(wallThickness / nozzleSize)
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324 lineWidth = wallThickness / lineCount
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325 lineWidthAlt = wallThickness / (lineCount + 1)
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326 if lineWidth > nozzleSize * 1.5:
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327 return lineWidthAlt
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330 def calculateLineCount():
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331 wallThickness = getProfileSettingFloat('wall_thickness')
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332 nozzleSize = getProfileSettingFloat('nozzle_size')
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334 if wallThickness < nozzleSize:
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337 lineCount = int(wallThickness / nozzleSize + 0.0001)
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338 lineWidth = wallThickness / lineCount
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339 lineWidthAlt = wallThickness / (lineCount + 1)
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340 if lineWidth > nozzleSize * 1.5:
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341 return lineCount + 1
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344 def calculateSolidLayerCount():
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345 layerHeight = getProfileSettingFloat('layer_height')
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346 solidThickness = getProfileSettingFloat('solid_layer_thickness')
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347 return int(math.ceil(solidThickness / layerHeight - 0.0001))
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349 #########################################################
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350 ## Alteration file functions
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351 #########################################################
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352 def replaceTagMatch(m):
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353 tag = m.group(0)[1:-1]
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354 if tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
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355 return str(getProfileSettingFloat(tag) * 60)
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356 if isProfileSetting(tag):
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357 return str(getProfileSettingFloat(tag))
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358 if isPreference(tag):
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359 return str(getProfileSettingFloat(tag))
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362 ### Get aleration raw contents. (Used internally in Cura)
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363 def getAlterationFile(filename):
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364 #Check if we have a configuration file loaded, else load the default.
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365 if not globals().has_key('globalProfileParser'):
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366 loadGlobalProfile(getDefaultProfilePath())
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368 if not globalProfileParser.has_option('alterations', filename):
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369 if filename in alterationDefault:
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370 default = alterationDefault[filename]
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372 print "Missing default alteration for: '" + filename + "'"
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373 alterationDefault[filename] = ''
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375 if not globalProfileParser.has_section('alterations'):
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376 globalProfileParser.add_section('alterations')
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377 #print "Using default for: %s" % (filename)
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378 globalProfileParser.set('alterations', filename, default)
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379 return unicode(globalProfileParser.get('alterations', filename), "utf-8")
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381 def setAlterationFile(filename, value):
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382 #Check if we have a configuration file loaded, else load the default.
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383 if not globals().has_key('globalProfileParser'):
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384 loadGlobalProfile(getDefaultProfilePath())
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385 if not globalProfileParser.has_section('alterations'):
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386 globalProfileParser.add_section('alterations')
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387 globalProfileParser.set('alterations', filename, value.encode("utf-8"))
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388 saveGlobalProfile(getDefaultProfilePath())
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390 ### Get the alteration file for output. (Used by Skeinforge)
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391 def getAlterationFileContents(filename):
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393 alterationContents = getAlterationFile(filename)
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394 if filename == 'start.gcode':
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395 #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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396 #We also set our steps per E here, if configured.
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397 eSteps = getPreferenceFloat('steps_per_e')
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399 prefix += 'M92 E%f\n' % (eSteps)
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400 temp = getProfileSettingFloat('print_temperature')
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401 if temp > 0 and not '{print_temperature}' in alterationContents:
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402 prefix += 'M109 S%f\n' % (temp)
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403 elif filename == 'replace.csv':
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404 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
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405 prefix = 'M101\nM103\n'
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407 return unicode(prefix + re.sub("\{[^\}]*\}", replaceTagMatch, alterationContents).rstrip() + '\n').encode('utf-8')
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