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_bed_temperature': '70',
  30         'support': 'None',
  31         'filament_diameter': '2.89',
  32         'filament_density': '1.00',
  33         'retraction_min_travel': '5.0',
  34         'retraction_enable': 'False',
  35         'retraction_speed': '40.0',
  36         'retraction_amount': '4.5',
  37         'retraction_extra': '0.0',
  38         'retract_on_jumps_only': 'True',
  39         'travel_speed': '150',
  40         'max_z_speed': '3.0',
  41         'bottom_layer_speed': '20',
  42         'cool_min_layer_time': '5',
  43         'fan_enabled': 'True',
  44         'fan_layer': '1',
  45         'fan_speed': '100',
  46         'fan_speed_max': '100',
  47         'model_scale': '1.0',
  48         'flip_x': 'False',
  49         'flip_y': 'False',
  50         'flip_z': 'False',
  51         'swap_xz': 'False',
  52         'swap_yz': 'False',
  53         'model_rotate_base': '0',
  54         'model_multiply_x': '1',
  55         'model_multiply_y': '1',
  56         'extra_base_wall_thickness': '0.0',
  57         'sequence': 'Loops > Perimeter > Infill',
  58         'force_first_layer_sequence': 'True',
  59         'infill_type': 'Line',
  60         'solid_top': 'True',
  61         'fill_overlap': '15',
  62         'support_rate': '50',
  63         'support_distance': '0.5',
  64         'support_dual_extrusion': 'False',
  65         'joris': 'False',
  66         'enable_skin': 'False',
  67         'enable_raft': 'False',
  68         'cool_min_feedrate': '10',
  69         'bridge_speed': '100',
  70         'raft_margin': '5',
  71         'raft_base_material_amount': '100',
  72         'raft_interface_material_amount': '100',
  73         'bottom_thickness': '0.3',
  74         'hop_on_move': 'False',
  75         'plugin_config': '',
  76         'object_center_x': '-1',
  77         'object_center_y': '-1',
  78
  79         'gcode_extension': 'gcode',
  80         'alternative_center': '',
  81         'clear_z': '0.0',
  82         'extruder': '0',
  83 }
  84 alterationDefault = {
  85 #######################################################################################
  86         'start.gcode': """;Sliced {filename} at: {day} {date} {time}
  87 ;Basic settings: Layer height: {layer_height} Walls: {wall_thickness} Fill: {fill_density}
  88 ;Print time: {print_time}
  89 ;Filament used: {filament_amount}m {filament_weight}g
  90 ;Filament cost: {filament_cost}
  91 G21        ;metric values
  92 G90        ;absolute positioning
  93 M107       ;start with the fan off
  94
  95 G28 X0 Y0  ;move X/Y to min endstops
  96 G28 Z0     ;move Z to min endstops
  97 G92 X0 Y0 Z0 E0         ;reset software position to front/left/z=0.0
  98
  99 G1 Z15.0 F{max_z_speed} ;move the platform down 15mm
 100
 101 G92 E0                  ;zero the extruded length
 102 G1 F200 E3              ;extrude 3mm of feed stock
 103 G92 E0                  ;zero the extruded length again
 104 G1 F{travel_speed}
 105 """,
 106 #######################################################################################
 107         'end.gcode': """;End GCode
 108 M104 S0                     ;extruder heater off
 109 M140 S0                     ;heated bed heater off (if you have it)
 110
 111 G91                                    ;relative positioning
 112 G1 E-1 F300                            ;retract the filament a bit before lifting the nozzle, to release some of the pressure
 113 G1 Z+0.5 E-5 X-20 Y-20 F{travel_speed} ;move Z up a bit and retract filament even more
 114 G28 X0 Y0                              ;move X/Y to min endstops, so the head is out of the way
 115
 116 M84                         ;steppers off
 117 G90                         ;absolute positioning
 118 """,
 119 #######################################################################################
 120         'support_start.gcode': '',
 121         'support_end.gcode': '',
 122         'cool_start.gcode': '',
 123         'cool_end.gcode': '',
 124         'replace.csv': '',
 125 #######################################################################################
 126         '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.
 127 G92 E0
 128
 129 G91                                    ;relative positioning
 130 G1 E-1 F300                            ;retract the filament a bit before lifting the nozzle, to release some of the pressure
 131 G1 Z+0.5 E-5 F{travel_speed}           ;move Z up a bit and retract filament even more
 132 G90                                    ;absolute positioning
 133
 134 G1 Z{clear_z} F{max_z_speed}
 135 G92 E0
 136 G1 X{object_center_x} Y{object_center_x} F{travel_speed}
 137 G1 F200 E6
 138 G92 E0
 139 """,
 140 #######################################################################################
 141         'switchExtruder.gcode': """;Switch between the current extruder and the next extruder, when printing with multiple extruders.
 142 G92 E0
 143 G1 E-15 F5000
 144 G92 E0
 145 T{extruder}
 146 G1 E15 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         'ultimaker_extruder_upgrade': 'False',
 158         'has_heated_bed': 'False',
 159         'extruder_amount': '1',
 160         'extruder_offset_x1': '-22.0',
 161         'extruder_offset_y1': '0.0',
 162         'extruder_offset_x2': '0.0',
 163         'extruder_offset_y2': '0.0',
 164         'extruder_offset_x3': '0.0',
 165         'extruder_offset_y3': '0.0',
 166         'filament_density': '1300',
 167         'steps_per_e': '0',
 168         'serial_port': 'AUTO',
 169         'serial_port_auto': '',
 170         'serial_baud': 'AUTO',
 171         'serial_baud_auto': '',
 172         'slicer': 'Cura (Skeinforge based)',
 173         'save_profile': 'False',
 174         'filament_cost_kg': '0',
 175         'filament_cost_meter': '0',
 176         'sdpath': '',
 177         'sdshortnames': 'True',
 178
 179         'extruder_head_size_min_x': '70.0',
 180         'extruder_head_size_min_y': '18.0',
 181         'extruder_head_size_max_x': '18.0',
 182         'extruder_head_size_max_y': '35.0',
 183         'extruder_head_size_height': '80.0',
 184
 185         'model_colour': '#72CB30',
 186         'model_colour2': '#CB3030',
 187         'model_colour3': '#DDD93C',
 188         'model_colour4': '#4550D3',
 189 }
 190
 191 #########################################################
 192 ## Profile and preferences functions
 193 #########################################################
 194
 195 ## Profile functions
 196 def getDefaultProfilePath():
 197         if platform.system() == "Windows":
 198                 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
 199                 #If we have a frozen python install, we need to step out of the library.zip
 200                 if hasattr(sys, 'frozen'):
 201                         basePath = os.path.normpath(os.path.join(basePath, ".."))
 202         else:
 203                 basePath = os.path.expanduser('~/.cura/%s' % version.getVersion(False))
 204         if not os.path.isdir(basePath):
 205                 os.makedirs(basePath)
 206         return os.path.join(basePath, 'current_profile.ini')
 207
 208 def loadGlobalProfile(filename):
 209         #Read a configuration file as global config
 210         global globalProfileParser
 211         globalProfileParser = ConfigParser.ConfigParser()
 212         globalProfileParser.read(filename)
 213
 214 def resetGlobalProfile():
 215         #Read a configuration file as global config
 216         global globalProfileParser
 217         globalProfileParser = ConfigParser.ConfigParser()
 218
 219         if getPreference('machine_type') == 'ultimaker':
 220                 putProfileSetting('nozzle_size', '0.4')
 221                 if getPreference('ultimaker_extruder_upgrade') == 'True':
 222                         putProfileSetting('retraction_enable', 'True')
 223         else:
 224                 putProfileSetting('nozzle_size', '0.5')
 225
 226 def saveGlobalProfile(filename):
 227         #Save the current profile to an ini file
 228         globalProfileParser.write(open(filename, 'w'))
 229
 230 def loadGlobalProfileFromString(options):
 231         global globalProfileParser
 232         globalProfileParser = ConfigParser.ConfigParser()
 233         globalProfileParser.add_section('profile')
 234         globalProfileParser.add_section('alterations')
 235         options = base64.b64decode(options)
 236         options = zlib.decompress(options)
 237         (profileOpts, alt) = options.split('\f', 1)
 238         for option in profileOpts.split('\b'):
 239                 if len(option) > 0:
 240                         (key, value) = option.split('=', 1)
 241                         globalProfileParser.set('profile', key, value)
 242         for option in alt.split('\b'):
 243                 if len(option) > 0:
 244                         (key, value) = option.split('=', 1)
 245                         globalProfileParser.set('alterations', key, value)
 246
 247 def getGlobalProfileString():
 248         global globalProfileParser
 249         if not globals().has_key('globalProfileParser'):
 250                 loadGlobalProfile(getDefaultProfilePath())
 251
 252         p = []
 253         alt = []
 254         tempDone = []
 255         if globalProfileParser.has_section('profile'):
 256                 for key in globalProfileParser.options('profile'):
 257                         if key in tempOverride:
 258                                 p.append(key + "=" + tempOverride[key])
 259                                 tempDone.append(key)
 260                         else:
 261                                 p.append(key + "=" + globalProfileParser.get('profile', key))
 262         if globalProfileParser.has_section('alterations'):
 263                 for key in globalProfileParser.options('alterations'):
 264                         if key in tempOverride:
 265                                 p.append(key + "=" + tempOverride[key])
 266                                 tempDone.append(key)
 267                         else:
 268                                 alt.append(key + "=" + globalProfileParser.get('alterations', key))
 269         for key in tempOverride:
 270                 if key not in tempDone:
 271                         p.append(key + "=" + tempOverride[key])
 272         ret = '\b'.join(p) + '\f' + '\b'.join(alt)
 273         ret = base64.b64encode(zlib.compress(ret, 9))
 274         return ret
 275
 276 def getProfileSetting(name):
 277         if name in tempOverride:
 278                 return unicode(tempOverride[name], "utf-8")
 279         #Check if we have a configuration file loaded, else load the default.
 280         if not globals().has_key('globalProfileParser'):
 281                 loadGlobalProfile(getDefaultProfilePath())
 282         if not globalProfileParser.has_option('profile', name):
 283                 if name in profileDefaultSettings:
 284                         default = profileDefaultSettings[name]
 285                 else:
 286                         print("Missing default setting for: '" + name + "'")
 287                         profileDefaultSettings[name] = ''
 288                         default = ''
 289                 if not globalProfileParser.has_section('profile'):
 290                         globalProfileParser.add_section('profile')
 291                 globalProfileParser.set('profile', name, str(default))
 292                 #print(name + " not found in profile, so using default: " + str(default))
 293                 return default
 294         return globalProfileParser.get('profile', name)
 295
 296 def getProfileSettingFloat(name):
 297         try:
 298                 setting = getProfileSetting(name).replace(',', '.')
 299                 return float(eval(setting, {}, {}))
 300         except (ValueError, SyntaxError, TypeError):
 301                 return 0.0
 302
 303 def putProfileSetting(name, value):
 304         #Check if we have a configuration file loaded, else load the default.
 305         if not globals().has_key('globalProfileParser'):
 306                 loadGlobalProfile(getDefaultProfilePath())
 307         if not globalProfileParser.has_section('profile'):
 308                 globalProfileParser.add_section('profile')
 309         globalProfileParser.set('profile', name, str(value))
 310
 311 def isProfileSetting(name):
 312         if name in profileDefaultSettings:
 313                 return True
 314         return False
 315
 316 ## Preferences functions
 317 global globalPreferenceParser
 318 globalPreferenceParser = None
 319
 320 def getPreferencePath():
 321         if platform.system() == "Windows":
 322                 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
 323                 #If we have a frozen python install, we need to step out of the library.zip
 324                 if hasattr(sys, 'frozen'):
 325                         basePath = os.path.normpath(os.path.join(basePath, ".."))
 326         else:
 327                 basePath = os.path.expanduser('~/.cura/%s' % version.getVersion(False))
 328         if not os.path.isdir(basePath):
 329                 os.makedirs(basePath)
 330         return os.path.join(basePath, 'preferences.ini')
 331
 332 def getPreferenceFloat(name):
 333         try:
 334                 setting = getPreference(name).replace(',', '.')
 335                 return float(eval(setting, {}, {}))
 336         except (ValueError, SyntaxError, TypeError):
 337                 return 0.0
 338
 339 def getPreferenceColour(name):
 340         colorString = getPreference(name)
 341         return [float(int(colorString[1:3], 16)) / 255, float(int(colorString[3:5], 16)) / 255, float(int(colorString[5:7], 16)) / 255, 1.0]
 342
 343 def getPreference(name):
 344         if name in tempOverride:
 345                 return unicode(tempOverride[name])
 346         global globalPreferenceParser
 347         if globalPreferenceParser == None:
 348                 globalPreferenceParser = ConfigParser.ConfigParser()
 349                 globalPreferenceParser.read(getPreferencePath())
 350         if not globalPreferenceParser.has_option('preference', name):
 351                 if name in preferencesDefaultSettings:
 352                         default = preferencesDefaultSettings[name]
 353                 else:
 354                         print("Missing default setting for: '" + name + "'")
 355                         preferencesDefaultSettings[name] = ''
 356                         default = ''
 357                 if not globalPreferenceParser.has_section('preference'):
 358                         globalPreferenceParser.add_section('preference')
 359                 globalPreferenceParser.set('preference', name, str(default))
 360                 #print(name + " not found in preferences, so using default: " + str(default))
 361                 return default
 362         return unicode(globalPreferenceParser.get('preference', name), "utf-8")
 363
 364 def putPreference(name, value):
 365         #Check if we have a configuration file loaded, else load the default.
 366         global globalPreferenceParser
 367         if globalPreferenceParser == None:
 368                 globalPreferenceParser = ConfigParser.ConfigParser()
 369                 globalPreferenceParser.read(getPreferencePath())
 370         if not globalPreferenceParser.has_section('preference'):
 371                 globalPreferenceParser.add_section('preference')
 372         globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
 373         globalPreferenceParser.write(open(getPreferencePath(), 'w'))
 374
 375 def isPreference(name):
 376         if name in preferencesDefaultSettings:
 377                 return True
 378         return False
 379
 380 ## Temp overrides for multi-extruder slicing and the project planner.
 381 tempOverride = {}
 382 def setTempOverride(name, value):
 383         tempOverride[name] = unicode(value).encode("utf-8")
 384 def clearTempOverride(name):
 385         del tempOverride[name]
 386 def resetTempOverride():
 387         tempOverride.clear()
 388
 389 #########################################################
 390 ## Utility functions to calculate common profile values
 391 #########################################################
 392 def calculateEdgeWidth():
 393         wallThickness = getProfileSettingFloat('wall_thickness')
 394         nozzleSize = getProfileSettingFloat('nozzle_size')
 395
 396         if wallThickness < nozzleSize:
 397                 return wallThickness
 398
 399         lineCount = int(wallThickness / nozzleSize + 0.0001)
 400         lineWidth = wallThickness / lineCount
 401         lineWidthAlt = wallThickness / (lineCount + 1)
 402         if lineWidth > nozzleSize * 1.5:
 403                 return lineWidthAlt
 404         return lineWidth
 405
 406 def calculateLineCount():
 407         wallThickness = getProfileSettingFloat('wall_thickness')
 408         nozzleSize = getProfileSettingFloat('nozzle_size')
 409
 410         if wallThickness < nozzleSize:
 411                 return 1
 412
 413         lineCount = int(wallThickness / nozzleSize + 0.0001)
 414         lineWidth = wallThickness / lineCount
 415         lineWidthAlt = wallThickness / (lineCount + 1)
 416         if lineWidth > nozzleSize * 1.5:
 417                 return lineCount + 1
 418         return lineCount
 419
 420 def calculateSolidLayerCount():
 421         layerHeight = getProfileSettingFloat('layer_height')
 422         solidThickness = getProfileSettingFloat('solid_layer_thickness')
 423         return int(math.ceil(solidThickness / layerHeight - 0.0001))
 424
 425 def getMachineCenterCoords():
 426         return [getPreferenceFloat('machine_width') / 2, getPreferenceFloat('machine_depth') / 2]
 427
 428 def getObjectMatrix():
 429         rotate = getProfileSettingFloat('model_rotate_base')
 430         rotate = rotate / 180.0 * math.pi
 431         scaleX = 1.0
 432         scaleY = 1.0
 433         scaleZ = 1.0
 434         if getProfileSetting('flipX') == 'True':
 435                 scaleX = -scaleX
 436         if getProfileSetting('flipY') == 'True':
 437                 scaleY = -scaleY
 438         if getProfileSetting('flipZ') == 'True':
 439                 scaleZ = -scaleZ
 440         mat00 = math.cos(rotate) * scaleX
 441         mat01 =-math.sin(rotate) * scaleY
 442         mat10 = math.sin(rotate) * scaleX
 443         mat11 = math.cos(rotate) * scaleY
 444
 445         mat = [mat00,mat10,0, mat01,mat11,0, 0,0,scaleZ]
 446         if getProfileSetting('swap_xz') == 'True':
 447                 mat = mat[6:9] + mat[3:6] + mat[0:3]
 448         if getProfileSetting('swap_yz') == 'True':
 449                 mat = mat[0:3] + mat[6:9] + mat[3:6]
 450         return mat
 451
 452 #########################################################
 453 ## Alteration file functions
 454 #########################################################
 455 def replaceTagMatch(m):
 456         pre = m.group(1)
 457         tag = m.group(2)
 458         if tag == 'time':
 459                 return pre + time.strftime('%H:%M:%S').encode('utf-8', 'replace')
 460         if tag == 'date':
 461                 return pre + time.strftime('%d %b %Y').encode('utf-8', 'replace')
 462         if tag == 'day':
 463                 return pre + time.strftime('%a').encode('utf-8', 'replace')
 464         if tag == 'print_time':
 465                 return pre + '#P_TIME#'
 466         if tag == 'filament_amount':
 467                 return pre + '#F_AMNT#'
 468         if tag == 'filament_weight':
 469                 return pre + '#F_WGHT#'
 470         if tag == 'filament_cost':
 471                 return pre + '#F_COST#'
 472         if pre == 'F' and tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
 473                 f = getProfileSettingFloat(tag) * 60
 474         elif isProfileSetting(tag):
 475                 f = getProfileSettingFloat(tag)
 476         elif isPreference(tag):
 477                 f = getProfileSettingFloat(tag)
 478         else:
 479                 return '%s?%s?' % (pre, tag)
 480         if (f % 1) == 0:
 481                 return pre + str(int(f))
 482         return pre + str(f)
 483
 484 def replaceGCodeTags(filename, gcodeInt):
 485         f = open(filename, 'r+')
 486         data = f.read(2048)
 487         data = data.replace('#P_TIME#', ('%5d:%02d' % (int(gcodeInt.totalMoveTimeMinute / 60), int(gcodeInt.totalMoveTimeMinute % 60)))[-8:])
 488         data = data.replace('#F_AMNT#', ('%8.2f' % (gcodeInt.extrusionAmount / 1000))[-8:])
 489         data = data.replace('#F_WGHT#', ('%8.2f' % (gcodeInt.calculateWeight() * 1000))[-8:])
 490         cost = gcodeInt.calculateCost()
 491         if cost == False:
 492                 cost = 'Unknown'
 493         data = data.replace('#F_COST#', ('%8s' % (cost.split(' ')[0]))[-8:])
 494         f.seek(0)
 495         f.write(data)
 496         f.close()
 497
 498 ### Get aleration raw contents. (Used internally in Cura)
 499 def getAlterationFile(filename):
 500         #Check if we have a configuration file loaded, else load the default.
 501         if not globals().has_key('globalProfileParser'):
 502                 loadGlobalProfile(getDefaultProfilePath())
 503
 504         if not globalProfileParser.has_option('alterations', filename):
 505                 if filename in alterationDefault:
 506                         default = alterationDefault[filename]
 507                 else:
 508                         print("Missing default alteration for: '" + filename + "'")
 509                         alterationDefault[filename] = ''
 510                         default = ''
 511                 if not globalProfileParser.has_section('alterations'):
 512                         globalProfileParser.add_section('alterations')
 513                 #print("Using default for: %s" % (filename))
 514                 globalProfileParser.set('alterations', filename, default)
 515         return unicode(globalProfileParser.get('alterations', filename), "utf-8")
 516
 517 def setAlterationFile(filename, value):
 518         #Check if we have a configuration file loaded, else load the default.
 519         if not globals().has_key('globalProfileParser'):
 520                 loadGlobalProfile(getDefaultProfilePath())
 521         if not globalProfileParser.has_section('alterations'):
 522                 globalProfileParser.add_section('alterations')
 523         globalProfileParser.set('alterations', filename, value.encode("utf-8"))
 524         saveGlobalProfile(getDefaultProfilePath())
 525
 526 ### Get the alteration file for output. (Used by Skeinforge)
 527 def getAlterationFileContents(filename):
 528         prefix = ''
 529         postfix = ''
 530         alterationContents = getAlterationFile(filename)
 531         if filename == 'start.gcode':
 532                 #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.
 533                 #We also set our steps per E here, if configured.
 534                 eSteps = getPreferenceFloat('steps_per_e')
 535                 if eSteps > 0:
 536                         prefix += 'M92 E%f\n' % (eSteps)
 537                 temp = getProfileSettingFloat('print_temperature')
 538                 bedTemp = 0
 539                 if getPreference('has_heated_bed') == 'True':
 540                         bedTemp = getProfileSettingFloat('print_bed_temperature')
 541
 542                 if bedTemp > 0 and not '{print_bed_temperature}' in alterationContents:
 543                         prefix += 'M140 S%f\n' % (bedTemp)
 544                 if temp > 0 and not '{print_temperature}' in alterationContents:
 545                         prefix += 'M109 S%f\n' % (temp)
 546                 if bedTemp > 0 and not '{print_bed_temperature}' in alterationContents:
 547                         prefix += 'M190 S%f\n' % (bedTemp)
 548         elif filename == 'end.gcode':
 549                 #Append the profile string to the end of the GCode, so we can load it from the GCode file later.
 550                 postfix = ';CURA_PROFILE_STRING:%s\n' % (getGlobalProfileString())
 551         elif filename == 'replace.csv':
 552                 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
 553                 prefix = 'M101\nM103\n'
 554         elif filename == 'support_start.gcode' or filename == 'support_end.gcode':
 555                 #Add support start/end code
 556                 if getProfileSetting('support_dual_extrusion') == 'True' and int(getPreference('extruder_amount')) > 1:
 557                         if filename == 'support_start.gcode':
 558                                 setTempOverride('extruder', '1')
 559                         else:
 560                                 setTempOverride('extruder', '0')
 561                         alterationContents = getAlterationFileContents('switchExtruder.gcode')
 562                         clearTempOverride('extruder')
 563                 else:
 564                         alterationContents = ''
 565         return unicode(prefix + re.sub("(.)\{([^\}]*)\}", replaceTagMatch, alterationContents).rstrip() + '\n' + postfix).strip().encode('utf-8') + '\n'
 566
 567 ###### PLUGIN #####
 568
 569 def getPluginConfig():
 570         try:
 571                 return pickle.loads(getProfileSetting('plugin_config'))
 572         except:
 573                 return []
 574
 575 def setPluginConfig(config):
 576         putProfileSetting('plugin_config', pickle.dumps(config))
 577
 578 def getPluginBasePaths():
 579         ret = []
 580         if platform.system() != "Windows":
 581                 ret.append(os.path.expanduser('~/.cura/plugins/'))
 582         if platform.system() == "Darwin" and hasattr(sys, 'frozen'):
 583                 ret.append(os.path.normpath(os.path.join(resources.resourceBasePath, "Cura/plugins")))
 584         else:
 585                 ret.append(os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'plugins')))
 586         return ret
 587
 588 def getPluginList():
 589         ret = []
 590         for basePath in getPluginBasePaths():
 591                 for filename in glob.glob(os.path.join(basePath, '*.py')):
 592                         filename = os.path.basename(filename)
 593                         if filename.startswith('_'):
 594                                 continue
 595                         with open(os.path.join(basePath, filename), "r") as f:
 596                                 item = {'filename': filename, 'name': None, 'info': None, 'type': None, 'params': []}
 597                                 for line in f:
 598                                         line = line.strip()
 599                                         if not line.startswith('#'):
 600                                                 break
 601                                         line = line[1:].split(':', 1)
 602                                         if len(line) != 2:
 603                                                 continue
 604                                         if line[0].upper() == 'NAME':
 605                                                 item['name'] = line[1].strip()
 606                                         elif line[0].upper() == 'INFO':
 607                                                 item['info'] = line[1].strip()
 608                                         elif line[0].upper() == 'TYPE':
 609                                                 item['type'] = line[1].strip()
 610                                         elif line[0].upper() == 'DEPEND':
 611                                                 pass
 612                                         elif line[0].upper() == 'PARAM':
 613                                                 m = re.match('([a-zA-Z]*)\(([a-zA-Z_]*)(?::([^\)]*))?\) +(.*)', line[1].strip())
 614                                                 if m is not None:
 615                                                         item['params'].append({'name': m.group(1), 'type': m.group(2), 'default': m.group(3), 'description': m.group(4)})
 616                                         else:
 617                                                 print "Unknown item in effect meta data: %s %s" % (line[0], line[1])
 618                                 if item['name'] != None and item['type'] == 'postprocess':
 619                                         ret.append(item)
 620         return ret
 621
 622 def runPostProcessingPlugins(gcodefilename):
 623         pluginConfigList = getPluginConfig()
 624         pluginList = getPluginList()
 625
 626         for pluginConfig in pluginConfigList:
 627                 plugin = None
 628                 for pluginTest in pluginList:
 629                         if pluginTest['filename'] == pluginConfig['filename']:
 630                                 plugin = pluginTest
 631                 if plugin is None:
 632                         continue
 633
 634                 pythonFile = None
 635                 for basePath in getPluginBasePaths():
 636                         testFilename = os.path.join(basePath, pluginConfig['filename'])
 637                         if os.path.isfile(testFilename):
 638                                 pythonFile = testFilename
 639                 if pythonFile is None:
 640                         continue
 641
 642                 locals = {'filename': gcodefilename}
 643                 for param in plugin['params']:
 644                         value = param['default']
 645                         if param['name'] in pluginConfig['params']:
 646                                 value = pluginConfig['params'][param['name']]
 647
 648                         if param['type'] == 'float':
 649                                 try:
 650                                         value = float(value)
 651                                 except:
 652                                         value = float(param['default'])
 653
 654                         locals[param['name']] = value
 655                 try:
 656                         execfile(pythonFile, locals)
 657                 except:
 658                         locationInfo = traceback.extract_tb(sys.exc_info()[2])[-1]
 659                         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])
 660         return None
 661
 662 def getSDcardDrives():
 663         drives = ['']
 664         if platform.system() == "Windows":
 665                 from ctypes import windll
 666                 bitmask = windll.kernel32.GetLogicalDrives()
 667                 for letter in string.uppercase:
 668                         if bitmask & 1:
 669                                 drives.append(letter + ':/')
 670                         bitmask >>= 1
 671         if platform.system() == "Darwin":
 672                 drives = []
 673                 for volume in glob.glob('/Volumes/*'):
 674                         if stat.S_ISLNK(os.lstat(volume).st_mode):
 675                                 continue
 676                         drives.append(volume)
 677         return drives