Cura/util/profile.py

   1 from __future__ import absolute_import
   2 from __future__ import division
   3
   4 import os, traceback, math, re, zlib, base64, time, sys, platform, glob, string, stat
   5 import cPickle as pickle
   6 if sys.version_info[0] < 3:
   7         import ConfigParser
   8 else:
   9         import configparser as ConfigParser
  10
  11 from Cura.util import resources
  12 from Cura.util import version
  13
  14 #########################################################
  15 ## Default settings when none are found.
  16 #########################################################
  17
  18 #Single place to store the defaults, so we have a consistent set of default settings.
  19 profileDefaultSettings = {
  20         'nozzle_size': '0.4',
  21         'layer_height': '0.2',
  22         'wall_thickness': '0.8',
  23         'solid_layer_thickness': '0.6',
  24         'fill_density': '20',
  25         'skirt_line_count': '1',
  26         'skirt_gap': '3.0',
  27         'print_speed': '50',
  28         'print_temperature': '220',
  29         'print_temperature2': '0',
  30         'print_temperature3': '0',
  31         'print_temperature4': '0',
  32         'print_bed_temperature': '70',
  33         'support': 'None',
  34         'filament_diameter': '2.89',
  35         'filament_density': '1.00',
  36         'retraction_min_travel': '5.0',
  37         'retraction_enable': 'False',
  38         'retraction_speed': '40.0',
  39         'retraction_amount': '4.5',
  40         'retraction_extra': '0.0',
  41         'retract_on_jumps_only': 'True',
  42         'travel_speed': '150',
  43         'max_z_speed': '3.0',
  44         'bottom_layer_speed': '20',
  45         'cool_min_layer_time': '5',
  46         'fan_enabled': 'True',
  47         'fan_layer': '1',
  48         'fan_speed': '100',
  49         'fan_speed_max': '100',
  50         'model_matrix': '1,0,0,0,1,0,0,0,1',
  51         'extra_base_wall_thickness': '0.0',
  52         'sequence': 'Loops > Perimeter > Infill',
  53         'force_first_layer_sequence': 'True',
  54         'infill_type': 'Line',
  55         'solid_top': 'True',
  56         'fill_overlap': '15',
  57         'support_rate': '50',
  58         'support_distance': '0.5',
  59         'support_dual_extrusion': 'False',
  60         'joris': 'False',
  61         'enable_skin': 'False',
  62         'enable_raft': 'False',
  63         'cool_min_feedrate': '10',
  64         'bridge_speed': '100',
  65         'raft_margin': '5',
  66         'raft_base_material_amount': '100',
  67         'raft_interface_material_amount': '100',
  68         'bottom_thickness': '0.3',
  69         'hop_on_move': 'False',
  70         'plugin_config': '',
  71         'object_center_x': '-1',
  72         'object_center_y': '-1',
  73         'object_sink': '0.0',
  74
  75         'gcode_extension': 'gcode',
  76         'alternative_center': '',
  77         'clear_z': '0.0',
  78         'extruder': '0',
  79         'new_x': '0',
  80         'new_y': '0',
  81         'new_z': '0',
  82 }
  83 alterationDefault = {
  84 #######################################################################################
  85         'start.gcode': """;Sliced {filename} at: {day} {date} {time}
  86 ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}
  87 ;Print time: {print_time}
  88 ;Filament used: {filament_amount}m {filament_weight}g
  89 ;Filament cost: {filament_cost}
  90 G21        ;metric values
  91 G90        ;absolute positioning
  92 M107       ;start with the fan off
  93
  94 G28 X0 Y0  ;move X/Y to min endstops
  95 G28 Z0     ;move Z to min endstops
  96
  97 G1 Z15.0 F{max_z_speed} ;move the platform down 15mm
  98
  99 G92 E0                  ;zero the extruded length
 100 G1 F200 E3              ;extrude 3mm of feed stock
 101 G92 E0                  ;zero the extruded length again
 102 G1 F{travel_speed}
 103 M117 Printing...
 104 """,
 105 #######################################################################################
 106         'end.gcode': """;End GCode
 107 M104 S0                     ;extruder heater off
 108 M140 S0                     ;heated bed heater off (if you have it)
 109
 110 G91                                    ;relative positioning
 111 G1 E-1 F300                            ;retract the filament a bit before lifting the nozzle, to release some of the pressure
 112 G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
 113 G28 X0 Y0                              ;move X/Y to min endstops, so the head is out of the way
 114
 115 M84                         ;steppers off
 116 G90                         ;absolute positioning
 117 """,
 118 #######################################################################################
 119         'support_start.gcode': '',
 120         'support_end.gcode': '',
 121         'cool_start.gcode': '',
 122         'cool_end.gcode': '',
 123         'replace.csv': '',
 124 #######################################################################################
 125         '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.
 126 G92 E0
 127
 128 G91                                    ;relative positioning
 129 G1 E-1 F300                            ;retract the filament a bit before lifting the nozzle, to release some of the pressure
 130 G1 Z+0.5 E-5 F{travel_speed}           ;move Z up a bit and retract filament even more
 131 G90                                    ;absolute positioning
 132
 133 G1 Z{clear_z} F{max_z_speed}
 134 G92 E0
 135 G1 X{object_center_x} Y{object_center_y} F{travel_speed}
 136 G1 F200 E6
 137 G92 E0
 138 """,
 139 #######################################################################################
 140         'switchExtruder.gcode': """;Switch between the current extruder and the next extruder, when printing with multiple extruders.
 141 G92 E0
 142 G1 E-36 F5000
 143 G92 E0
 144 T{extruder}
 145 ;G1 X{new_x} Y{new_y} Z{new_z} F{travel_speed}
 146 G1 E36 F5000
 147 G92 E0
 148 """,
 149 }
 150 preferencesDefaultSettings = {
 151         'startMode': 'Simple',
 152         'lastFile': os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'resources', 'example', 'UltimakerRobot_support.stl')),
 153         'machine_width': '205',
 154         'machine_depth': '205',
 155         'machine_height': '200',
 156         'machine_type': 'unknown',
 157         'machine_center_is_zero': 'False',
 158         'ultimaker_extruder_upgrade': 'False',
 159         'has_heated_bed': 'False',
 160         'reprap_name': 'RepRap',
 161         'extruder_amount': '1',
 162         'extruder_offset_x1': '-22.0',
 163         'extruder_offset_y1': '0.0',
 164         'extruder_offset_x2': '0.0',
 165         'extruder_offset_y2': '0.0',
 166         'extruder_offset_x3': '0.0',
 167         'extruder_offset_y3': '0.0',
 168         'filament_density': '1300',
 169         'steps_per_e': '0',
 170         'serial_port': 'AUTO',
 171         'serial_port_auto': '',
 172         'serial_baud': 'AUTO',
 173         'serial_baud_auto': '',
 174         'slicer': 'Cura (Skeinforge based)',
 175         'save_profile': 'False',
 176         'filament_cost_kg': '0',
 177         'filament_cost_meter': '0',
 178         'sdpath': '',
 179         'sdshortnames': 'False',
 180         'check_for_updates': 'True',
 181         'submit_slice_information': 'False',
 182
 183         'planner_always_autoplace': 'True',
 184         'extruder_head_size_min_x': '75.0',
 185         'extruder_head_size_min_y': '18.0',
 186         'extruder_head_size_max_x': '18.0',
 187         'extruder_head_size_max_y': '35.0',
 188         'extruder_head_size_height': '60.0',
 189
 190         'model_colour': '#7AB645',
 191         'model_colour2': '#CB3030',
 192         'model_colour3': '#DDD93C',
 193         'model_colour4': '#4550D3',
 194
 195         'window_maximized': 'False',
 196         'window_pos_x': '-1',
 197         'window_pos_y': '-1',
 198         'window_width': '-1',
 199         'window_height': '-1',
 200         'window_normal_sash': '320',
 201 }
 202
 203 #########################################################
 204 ## Profile and preferences functions
 205 #########################################################
 206
 207 ## Profile functions
 208 def getBasePath():
 209         if platform.system() == "Windows":
 210                 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
 211                 #If we have a frozen python install, we need to step out of the library.zip
 212                 if hasattr(sys, 'frozen'):
 213                         basePath = os.path.normpath(os.path.join(basePath, ".."))
 214         else:
 215                 basePath = os.path.expanduser('~/.cura/%s' % version.getVersion(False))
 216         if not os.path.isdir(basePath):
 217                 os.makedirs(basePath)
 218         return basePath
 219
 220 def getDefaultProfilePath():
 221         return os.path.join(getBasePath(), 'current_profile.ini')
 222
 223 def loadGlobalProfile(filename):
 224         #Read a configuration file as global config
 225         global globalProfileParser
 226         globalProfileParser = ConfigParser.ConfigParser()
 227         try:
 228                 globalProfileParser.read(filename)
 229         except ConfigParser.ParsingError:
 230                 pass
 231
 232 def resetGlobalProfile():
 233         #Read a configuration file as global config
 234         global globalProfileParser
 235         globalProfileParser = ConfigParser.ConfigParser()
 236
 237         if getPreference('machine_type') == 'ultimaker':
 238                 putProfileSetting('nozzle_size', '0.4')
 239                 if getPreference('ultimaker_extruder_upgrade') == 'True':
 240                         putProfileSetting('retraction_enable', 'True')
 241         else:
 242                 putProfileSetting('nozzle_size', '0.5')
 243
 244 def saveGlobalProfile(filename):
 245         #Save the current profile to an ini file
 246         globalProfileParser.write(open(filename, 'w'))
 247
 248 def loadGlobalProfileFromString(options):
 249         global globalProfileParser
 250         globalProfileParser = ConfigParser.ConfigParser()
 251         globalProfileParser.add_section('profile')
 252         globalProfileParser.add_section('alterations')
 253         options = base64.b64decode(options)
 254         options = zlib.decompress(options)
 255         (profileOpts, alt) = options.split('\f', 1)
 256         for option in profileOpts.split('\b'):
 257                 if len(option) > 0:
 258                         (key, value) = option.split('=', 1)
 259                         globalProfileParser.set('profile', key, value)
 260         for option in alt.split('\b'):
 261                 if len(option) > 0:
 262                         (key, value) = option.split('=', 1)
 263                         globalProfileParser.set('alterations', key, value)
 264
 265 def getGlobalProfileString():
 266         global globalProfileParser
 267         if not globals().has_key('globalProfileParser'):
 268                 loadGlobalProfile(getDefaultProfilePath())
 269
 270         p = []
 271         alt = []
 272         tempDone = []
 273         if globalProfileParser.has_section('profile'):
 274                 for key in globalProfileParser.options('profile'):
 275                         if key in tempOverride:
 276                                 p.append(key + "=" + tempOverride[key])
 277                                 tempDone.append(key)
 278                         else:
 279                                 p.append(key + "=" + globalProfileParser.get('profile', key))
 280         if globalProfileParser.has_section('alterations'):
 281                 for key in globalProfileParser.options('alterations'):
 282                         if key in tempOverride:
 283                                 p.append(key + "=" + tempOverride[key])
 284                                 tempDone.append(key)
 285                         else:
 286                                 alt.append(key + "=" + globalProfileParser.get('alterations', key))
 287         for key in tempOverride:
 288                 if key not in tempDone:
 289                         p.append(key + "=" + tempOverride[key])
 290         ret = '\b'.join(p) + '\f' + '\b'.join(alt)
 291         ret = base64.b64encode(zlib.compress(ret, 9))
 292         return ret
 293
 294 def getGlobalPreferencesString():
 295         global globalPreferenceParser
 296         if globalPreferenceParser is None:
 297                 globalPreferenceParser = ConfigParser.ConfigParser()
 298                 try:
 299                         globalPreferenceParser.read(getPreferencePath())
 300                 except ConfigParser.ParsingError:
 301                         pass
 302
 303         p = []
 304         if globalPreferenceParser.has_section('preference'):
 305                 for key in globalPreferenceParser.options('preference'):
 306                         p.append(key + "=" + globalPreferenceParser.get('preference', key))
 307         ret = '\b'.join(p)
 308         ret = base64.b64encode(zlib.compress(ret, 9))
 309         return ret
 310
 311
 312 def getProfileSetting(name):
 313         if name in tempOverride:
 314                 return unicode(tempOverride[name], "utf-8")
 315         #Check if we have a configuration file loaded, else load the default.
 316         if not globals().has_key('globalProfileParser'):
 317                 loadGlobalProfile(getDefaultProfilePath())
 318         if not globalProfileParser.has_option('profile', name):
 319                 if name in profileDefaultSettings:
 320                         default = profileDefaultSettings[name]
 321                 else:
 322                         print("Missing default setting for: '" + name + "'")
 323                         profileDefaultSettings[name] = ''
 324                         default = ''
 325                 if not globalProfileParser.has_section('profile'):
 326                         globalProfileParser.add_section('profile')
 327                 globalProfileParser.set('profile', name, str(default))
 328                 #print(name + " not found in profile, so using default: " + str(default))
 329                 return default
 330         return globalProfileParser.get('profile', name)
 331
 332 def getProfileSettingFloat(name):
 333         try:
 334                 setting = getProfileSetting(name).replace(',', '.')
 335                 return float(eval(setting, {}, {}))
 336         except (ValueError, SyntaxError, TypeError):
 337                 return 0.0
 338
 339 def putProfileSetting(name, value):
 340         #Check if we have a configuration file loaded, else load the default.
 341         if not globals().has_key('globalProfileParser'):
 342                 loadGlobalProfile(getDefaultProfilePath())
 343         if not globalProfileParser.has_section('profile'):
 344                 globalProfileParser.add_section('profile')
 345         globalProfileParser.set('profile', name, str(value))
 346
 347 def isProfileSetting(name):
 348         if name in profileDefaultSettings:
 349                 return True
 350         return False
 351
 352 ## Preferences functions
 353 global globalPreferenceParser
 354 globalPreferenceParser = None
 355
 356 def getPreferencePath():
 357         return os.path.join(getBasePath(), 'preferences.ini')
 358
 359 def getPreferenceFloat(name):
 360         try:
 361                 setting = getPreference(name).replace(',', '.')
 362                 return float(eval(setting, {}, {}))
 363         except (ValueError, SyntaxError, TypeError):
 364                 return 0.0
 365
 366 def getPreferenceColour(name):
 367         colorString = getPreference(name)
 368         return [float(int(colorString[1:3], 16)) / 255, float(int(colorString[3:5], 16)) / 255, float(int(colorString[5:7], 16)) / 255, 1.0]
 369
 370 def getPreference(name):
 371         if name in tempOverride:
 372                 return unicode(tempOverride[name])
 373         global globalPreferenceParser
 374         if globalPreferenceParser is None:
 375                 globalPreferenceParser = ConfigParser.ConfigParser()
 376                 try:
 377                         globalPreferenceParser.read(getPreferencePath())
 378                 except ConfigParser.ParsingError:
 379                         pass
 380         if not globalPreferenceParser.has_option('preference', name):
 381                 if name in preferencesDefaultSettings:
 382                         default = preferencesDefaultSettings[name]
 383                 else:
 384                         print("Missing default setting for: '" + name + "'")
 385                         preferencesDefaultSettings[name] = ''
 386                         default = ''
 387                 if not globalPreferenceParser.has_section('preference'):
 388                         globalPreferenceParser.add_section('preference')
 389                 globalPreferenceParser.set('preference', name, str(default))
 390                 #print(name + " not found in preferences, so using default: " + str(default))
 391                 return default
 392         return unicode(globalPreferenceParser.get('preference', name), "utf-8")
 393
 394 def putPreference(name, value):
 395         #Check if we have a configuration file loaded, else load the default.
 396         global globalPreferenceParser
 397         if globalPreferenceParser == None:
 398                 globalPreferenceParser = ConfigParser.ConfigParser()
 399                 try:
 400                         globalPreferenceParser.read(getPreferencePath())
 401                 except ConfigParser.ParsingError:
 402                         pass
 403         if not globalPreferenceParser.has_section('preference'):
 404                 globalPreferenceParser.add_section('preference')
 405         globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
 406         globalPreferenceParser.write(open(getPreferencePath(), 'w'))
 407
 408 def isPreference(name):
 409         if name in preferencesDefaultSettings:
 410                 return True
 411         return False
 412
 413 ## Temp overrides for multi-extruder slicing and the project planner.
 414 tempOverride = {}
 415 def setTempOverride(name, value):
 416         tempOverride[name] = unicode(value).encode("utf-8")
 417 def clearTempOverride(name):
 418         del tempOverride[name]
 419 def resetTempOverride():
 420         tempOverride.clear()
 421
 422 #########################################################
 423 ## Utility functions to calculate common profile values
 424 #########################################################
 425 def calculateEdgeWidth():
 426         wallThickness = getProfileSettingFloat('wall_thickness')
 427         nozzleSize = getProfileSettingFloat('nozzle_size')
 428
 429         if wallThickness < nozzleSize:
 430                 return wallThickness
 431
 432         lineCount = int(wallThickness / nozzleSize + 0.0001)
 433         lineWidth = wallThickness / lineCount
 434         lineWidthAlt = wallThickness / (lineCount + 1)
 435         if lineWidth > nozzleSize * 1.5:
 436                 return lineWidthAlt
 437         return lineWidth
 438
 439 def calculateLineCount():
 440         wallThickness = getProfileSettingFloat('wall_thickness')
 441         nozzleSize = getProfileSettingFloat('nozzle_size')
 442
 443         if wallThickness < nozzleSize:
 444                 return 1
 445
 446         lineCount = int(wallThickness / nozzleSize + 0.0001)
 447         lineWidth = wallThickness / lineCount
 448         lineWidthAlt = wallThickness / (lineCount + 1)
 449         if lineWidth > nozzleSize * 1.5:
 450                 return lineCount + 1
 451         return lineCount
 452
 453 def calculateSolidLayerCount():
 454         layerHeight = getProfileSettingFloat('layer_height')
 455         solidThickness = getProfileSettingFloat('solid_layer_thickness')
 456         return int(math.ceil(solidThickness / layerHeight - 0.0001))
 457
 458 def getMachineCenterCoords():
 459         if getPreference('machine_center_is_zero') == 'True':
 460                 return [0, 0]
 461         return [getPreferenceFloat('machine_width') / 2, getPreferenceFloat('machine_depth') / 2]
 462
 463 def getObjectMatrix():
 464         try:
 465                 return map(float, getProfileSetting('model_matrix').split(','))
 466         except ValueError:
 467                 return [1,0,0, 0,1,0, 0,0,1]
 468
 469
 470 #########################################################
 471 ## Alteration file functions
 472 #########################################################
 473 def replaceTagMatch(m):
 474         pre = m.group(1)
 475         tag = m.group(2)
 476         if tag == 'time':
 477                 return pre + time.strftime('%H:%M:%S').encode('utf-8', 'replace')
 478         if tag == 'date':
 479                 return pre + time.strftime('%d %b %Y').encode('utf-8', 'replace')
 480         if tag == 'day':
 481                 return pre + time.strftime('%a').encode('utf-8', 'replace')
 482         if tag == 'print_time':
 483                 return pre + '#P_TIME#'
 484         if tag == 'filament_amount':
 485                 return pre + '#F_AMNT#'
 486         if tag == 'filament_weight':
 487                 return pre + '#F_WGHT#'
 488         if tag == 'filament_cost':
 489                 return pre + '#F_COST#'
 490         if pre == 'F' and tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
 491                 f = getProfileSettingFloat(tag) * 60
 492         elif isProfileSetting(tag):
 493                 f = getProfileSettingFloat(tag)
 494         elif isPreference(tag):
 495                 f = getProfileSettingFloat(tag)
 496         else:
 497                 return '%s?%s?' % (pre, tag)
 498         if (f % 1) == 0:
 499                 return pre + str(int(f))
 500         return pre + str(f)
 501
 502 def replaceGCodeTags(filename, gcodeInt):
 503         f = open(filename, 'r+')
 504         data = f.read(2048)
 505         data = data.replace('#P_TIME#', ('%5d:%02d' % (int(gcodeInt.totalMoveTimeMinute / 60), int(gcodeInt.totalMoveTimeMinute % 60)))[-8:])
 506         data = data.replace('#F_AMNT#', ('%8.2f' % (gcodeInt.extrusionAmount / 1000))[-8:])
 507         data = data.replace('#F_WGHT#', ('%8.2f' % (gcodeInt.calculateWeight() * 1000))[-8:])
 508         cost = gcodeInt.calculateCost()
 509         if cost is None:
 510                 cost = 'Unknown'
 511         data = data.replace('#F_COST#', ('%8s' % (cost.split(' ')[0]))[-8:])
 512         f.seek(0)
 513         f.write(data)
 514         f.close()
 515
 516 ### Get aleration raw contents. (Used internally in Cura)
 517 def getAlterationFile(filename):
 518         #Check if we have a configuration file loaded, else load the default.
 519         if not globals().has_key('globalProfileParser'):
 520                 loadGlobalProfile(getDefaultProfilePath())
 521
 522         if not globalProfileParser.has_option('alterations', filename):
 523                 if filename in alterationDefault:
 524                         default = alterationDefault[filename]
 525                 else:
 526                         print("Missing default alteration for: '" + filename + "'")
 527                         alterationDefault[filename] = ''
 528                         default = ''
 529                 if not globalProfileParser.has_section('alterations'):
 530                         globalProfileParser.add_section('alterations')
 531                 #print("Using default for: %s" % (filename))
 532                 globalProfileParser.set('alterations', filename, default)
 533         return unicode(globalProfileParser.get('alterations', filename), "utf-8")
 534
 535 def setAlterationFile(filename, value):
 536         #Check if we have a configuration file loaded, else load the default.
 537         if not globals().has_key('globalProfileParser'):
 538                 loadGlobalProfile(getDefaultProfilePath())
 539         if not globalProfileParser.has_section('alterations'):
 540                 globalProfileParser.add_section('alterations')
 541         globalProfileParser.set('alterations', filename, value.encode("utf-8"))
 542         saveGlobalProfile(getDefaultProfilePath())
 543
 544 ### Get the alteration file for output. (Used by Skeinforge)
 545 def getAlterationFileContents(filename, extruderCount = 1):
 546         prefix = ''
 547         postfix = ''
 548         alterationContents = getAlterationFile(filename)
 549         if filename == 'start.gcode':
 550                 #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.
 551                 #We also set our steps per E here, if configured.
 552                 eSteps = getPreferenceFloat('steps_per_e')
 553                 if eSteps > 0:
 554                         prefix += 'M92 E%f\n' % (eSteps)
 555                 temp = getProfileSettingFloat('print_temperature')
 556                 bedTemp = 0
 557                 if getPreference('has_heated_bed') == 'True':
 558                         bedTemp = getProfileSettingFloat('print_bed_temperature')
 559
 560                 if bedTemp > 0 and not '{print_bed_temperature}' in alterationContents:
 561                         prefix += 'M140 S%f\n' % (bedTemp)
 562                 if temp > 0 and not '{print_temperature}' in alterationContents:
 563                         if extruderCount > 0:
 564                                 for n in xrange(1, extruderCount):
 565                                         t = temp
 566                                         if n > 0 and getProfileSettingFloat('print_temperature%d' % (n+1)) > 0:
 567                                                 t = getProfileSettingFloat('print_temperature%d' % (n+1))
 568                                         prefix += 'M104 T%d S%f\n' % (n, temp)
 569                                 for n in xrange(0, extruderCount):
 570                                         t = temp
 571                                         if n > 0 and getProfileSettingFloat('print_temperature%d' % (n+1)) > 0:
 572                                                 t = getProfileSettingFloat('print_temperature%d' % (n+1))
 573                                         prefix += 'M109 T%d S%f\n' % (n, temp)
 574                                 prefix += 'T0\n'
 575                         else:
 576                                 prefix += 'M109 S%f\n' % (temp)
 577                 if bedTemp > 0 and not '{print_bed_temperature}' in alterationContents:
 578                         prefix += 'M190 S%f\n' % (bedTemp)
 579         elif filename == 'end.gcode':
 580                 #Append the profile string to the end of the GCode, so we can load it from the GCode file later.
 581                 postfix = ';CURA_PROFILE_STRING:%s\n' % (getGlobalProfileString())
 582         elif filename == 'replace.csv':
 583                 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
 584                 prefix = 'M101\nM103\n'
 585         elif filename == 'support_start.gcode' or filename == 'support_end.gcode':
 586                 #Add support start/end code
 587                 if getProfileSetting('support_dual_extrusion') == 'True' and int(getPreference('extruder_amount')) > 1:
 588                         if filename == 'support_start.gcode':
 589                                 setTempOverride('extruder', '1')
 590                         else:
 591                                 setTempOverride('extruder', '0')
 592                         alterationContents = getAlterationFileContents('switchExtruder.gcode')
 593                         clearTempOverride('extruder')
 594                 else:
 595                         alterationContents = ''
 596         return unicode(prefix + re.sub("(.)\{([^\}]*)\}", replaceTagMatch, alterationContents).rstrip() + '\n' + postfix).strip().encode('utf-8') + '\n'
 597
 598 ###### PLUGIN #####
 599
 600 def getPluginConfig():
 601         try:
 602                 return pickle.loads(getProfileSetting('plugin_config'))
 603         except:
 604                 return []
 605
 606 def setPluginConfig(config):
 607         putProfileSetting('plugin_config', pickle.dumps(config))
 608
 609 def getPluginBasePaths():
 610         ret = []
 611         if platform.system() != "Windows":
 612                 ret.append(os.path.expanduser('~/.cura/plugins/'))
 613         if platform.system() == "Darwin" and hasattr(sys, 'frozen'):
 614                 ret.append(os.path.normpath(os.path.join(resources.resourceBasePath, "Cura/plugins")))
 615         else:
 616                 ret.append(os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'plugins')))
 617         return ret
 618
 619 def getPluginList():
 620         ret = []
 621         for basePath in getPluginBasePaths():
 622                 for filename in glob.glob(os.path.join(basePath, '*.py')):
 623                         filename = os.path.basename(filename)
 624                         if filename.startswith('_'):
 625                                 continue
 626                         with open(os.path.join(basePath, filename), "r") as f:
 627                                 item = {'filename': filename, 'name': None, 'info': None, 'type': None, 'params': []}
 628                                 for line in f:
 629                                         line = line.strip()
 630                                         if not line.startswith('#'):
 631                                                 break
 632                                         line = line[1:].split(':', 1)
 633                                         if len(line) != 2:
 634                                                 continue
 635                                         if line[0].upper() == 'NAME':
 636                                                 item['name'] = line[1].strip()
 637                                         elif line[0].upper() == 'INFO':
 638                                                 item['info'] = line[1].strip()
 639                                         elif line[0].upper() == 'TYPE':
 640                                                 item['type'] = line[1].strip()
 641                                         elif line[0].upper() == 'DEPEND':
 642                                                 pass
 643                                         elif line[0].upper() == 'PARAM':
 644                                                 m = re.match('([a-zA-Z][a-zA-Z0-9_]*)\(([a-zA-Z_]*)(?::([^\)]*))?\) +(.*)', line[1].strip())
 645                                                 if m is not None:
 646                                                         item['params'].append({'name': m.group(1), 'type': m.group(2), 'default': m.group(3), 'description': m.group(4)})
 647                                         else:
 648                                                 print "Unknown item in effect meta data: %s %s" % (line[0], line[1])
 649                                 if item['name'] != None and item['type'] == 'postprocess':
 650                                         ret.append(item)
 651         return ret
 652
 653 def runPostProcessingPlugins(gcodefilename):
 654         pluginConfigList = getPluginConfig()
 655         pluginList = getPluginList()
 656
 657         for pluginConfig in pluginConfigList:
 658                 plugin = None
 659                 for pluginTest in pluginList:
 660                         if pluginTest['filename'] == pluginConfig['filename']:
 661                                 plugin = pluginTest
 662                 if plugin is None:
 663                         continue
 664
 665                 pythonFile = None
 666                 for basePath in getPluginBasePaths():
 667                         testFilename = os.path.join(basePath, pluginConfig['filename'])
 668                         if os.path.isfile(testFilename):
 669                                 pythonFile = testFilename
 670                 if pythonFile is None:
 671                         continue
 672
 673                 locals = {'filename': gcodefilename}
 674                 for param in plugin['params']:
 675                         value = param['default']
 676                         if param['name'] in pluginConfig['params']:
 677                                 value = pluginConfig['params'][param['name']]
 678
 679                         if param['type'] == 'float':
 680                                 try:
 681                                         value = float(value)
 682                                 except:
 683                                         value = float(param['default'])
 684
 685                         locals[param['name']] = value
 686                 try:
 687                         execfile(pythonFile, locals)
 688                 except:
 689                         locationInfo = traceback.extract_tb(sys.exc_info()[2])[-1]
 690                         return "%s: '%s' @ %s:%s:%d" % (str(sys.exc_info()[0].__name__), str(sys.exc_info()[1]), os.path.basename(locationInfo[0]), locationInfo[2], locationInfo[1])
 691         return None
 692
 693 def getSDcardDrives():
 694         drives = ['']
 695         if platform.system() == "Windows":
 696                 from ctypes import windll
 697                 bitmask = windll.kernel32.GetLogicalDrives()
 698                 for letter in string.uppercase:
 699                         if bitmask & 1:
 700                                 drives.append(letter + ':/')
 701                         bitmask >>= 1
 702         if platform.system() == "Darwin":
 703                 drives = []
 704                 for volume in glob.glob('/Volumes/*'):
 705                         if stat.S_ISLNK(os.lstat(volume).st_mode):
 706                                 continue
 707                         drives.append(volume)
 708         return drives