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': 'False',
 178         'check_for_updates': 'True',
 179
 180         'planner_always_autoplace': 'True',
 181         'extruder_head_size_min_x': '75.0',
 182         'extruder_head_size_min_y': '18.0',
 183         'extruder_head_size_max_x': '18.0',
 184         'extruder_head_size_max_y': '35.0',
 185         'extruder_head_size_height': '60.0',
 186
 187         'model_colour': '#72CB30',
 188         'model_colour2': '#CB3030',
 189         'model_colour3': '#DDD93C',
 190         'model_colour4': '#4550D3',
 191 }
 192
 193 #########################################################
 194 ## Profile and preferences functions
 195 #########################################################
 196
 197 ## Profile functions
 198 def getDefaultProfilePath():
 199         if platform.system() == "Windows":
 200                 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
 201                 #If we have a frozen python install, we need to step out of the library.zip
 202                 if hasattr(sys, 'frozen'):
 203                         basePath = os.path.normpath(os.path.join(basePath, ".."))
 204         else:
 205                 basePath = os.path.expanduser('~/.cura/%s' % version.getVersion(False))
 206         if not os.path.isdir(basePath):
 207                 os.makedirs(basePath)
 208         return os.path.join(basePath, 'current_profile.ini')
 209
 210 def loadGlobalProfile(filename):
 211         #Read a configuration file as global config
 212         global globalProfileParser
 213         globalProfileParser = ConfigParser.ConfigParser()
 214         globalProfileParser.read(filename)
 215
 216 def resetGlobalProfile():
 217         #Read a configuration file as global config
 218         global globalProfileParser
 219         globalProfileParser = ConfigParser.ConfigParser()
 220
 221         if getPreference('machine_type') == 'ultimaker':
 222                 putProfileSetting('nozzle_size', '0.4')
 223                 if getPreference('ultimaker_extruder_upgrade') == 'True':
 224                         putProfileSetting('retraction_enable', 'True')
 225         else:
 226                 putProfileSetting('nozzle_size', '0.5')
 227
 228 def saveGlobalProfile(filename):
 229         #Save the current profile to an ini file
 230         globalProfileParser.write(open(filename, 'w'))
 231
 232 def loadGlobalProfileFromString(options):
 233         global globalProfileParser
 234         globalProfileParser = ConfigParser.ConfigParser()
 235         globalProfileParser.add_section('profile')
 236         globalProfileParser.add_section('alterations')
 237         options = base64.b64decode(options)
 238         options = zlib.decompress(options)
 239         (profileOpts, alt) = options.split('\f', 1)
 240         for option in profileOpts.split('\b'):
 241                 if len(option) > 0:
 242                         (key, value) = option.split('=', 1)
 243                         globalProfileParser.set('profile', key, value)
 244         for option in alt.split('\b'):
 245                 if len(option) > 0:
 246                         (key, value) = option.split('=', 1)
 247                         globalProfileParser.set('alterations', key, value)
 248
 249 def getGlobalProfileString():
 250         global globalProfileParser
 251         if not globals().has_key('globalProfileParser'):
 252                 loadGlobalProfile(getDefaultProfilePath())
 253
 254         p = []
 255         alt = []
 256         tempDone = []
 257         if globalProfileParser.has_section('profile'):
 258                 for key in globalProfileParser.options('profile'):
 259                         if key in tempOverride:
 260                                 p.append(key + "=" + tempOverride[key])
 261                                 tempDone.append(key)
 262                         else:
 263                                 p.append(key + "=" + globalProfileParser.get('profile', key))
 264         if globalProfileParser.has_section('alterations'):
 265                 for key in globalProfileParser.options('alterations'):
 266                         if key in tempOverride:
 267                                 p.append(key + "=" + tempOverride[key])
 268                                 tempDone.append(key)
 269                         else:
 270                                 alt.append(key + "=" + globalProfileParser.get('alterations', key))
 271         for key in tempOverride:
 272                 if key not in tempDone:
 273                         p.append(key + "=" + tempOverride[key])
 274         ret = '\b'.join(p) + '\f' + '\b'.join(alt)
 275         ret = base64.b64encode(zlib.compress(ret, 9))
 276         return ret
 277
 278 def getProfileSetting(name):
 279         if name in tempOverride:
 280                 return unicode(tempOverride[name], "utf-8")
 281         #Check if we have a configuration file loaded, else load the default.
 282         if not globals().has_key('globalProfileParser'):
 283                 loadGlobalProfile(getDefaultProfilePath())
 284         if not globalProfileParser.has_option('profile', name):
 285                 if name in profileDefaultSettings:
 286                         default = profileDefaultSettings[name]
 287                 else:
 288                         print("Missing default setting for: '" + name + "'")
 289                         profileDefaultSettings[name] = ''
 290                         default = ''
 291                 if not globalProfileParser.has_section('profile'):
 292                         globalProfileParser.add_section('profile')
 293                 globalProfileParser.set('profile', name, str(default))
 294                 #print(name + " not found in profile, so using default: " + str(default))
 295                 return default
 296         return globalProfileParser.get('profile', name)
 297
 298 def getProfileSettingFloat(name):
 299         try:
 300                 setting = getProfileSetting(name).replace(',', '.')
 301                 return float(eval(setting, {}, {}))
 302         except (ValueError, SyntaxError, TypeError):
 303                 return 0.0
 304
 305 def putProfileSetting(name, value):
 306         #Check if we have a configuration file loaded, else load the default.
 307         if not globals().has_key('globalProfileParser'):
 308                 loadGlobalProfile(getDefaultProfilePath())
 309         if not globalProfileParser.has_section('profile'):
 310                 globalProfileParser.add_section('profile')
 311         globalProfileParser.set('profile', name, str(value))
 312
 313 def isProfileSetting(name):
 314         if name in profileDefaultSettings:
 315                 return True
 316         return False
 317
 318 ## Preferences functions
 319 global globalPreferenceParser
 320 globalPreferenceParser = None
 321
 322 def getPreferencePath():
 323         if platform.system() == "Windows":
 324                 basePath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), ".."))
 325                 #If we have a frozen python install, we need to step out of the library.zip
 326                 if hasattr(sys, 'frozen'):
 327                         basePath = os.path.normpath(os.path.join(basePath, ".."))
 328         else:
 329                 basePath = os.path.expanduser('~/.cura/%s' % version.getVersion(False))
 330         if not os.path.isdir(basePath):
 331                 os.makedirs(basePath)
 332         return os.path.join(basePath, 'preferences.ini')
 333
 334 def getPreferenceFloat(name):
 335         try:
 336                 setting = getPreference(name).replace(',', '.')
 337                 return float(eval(setting, {}, {}))
 338         except (ValueError, SyntaxError, TypeError):
 339                 return 0.0
 340
 341 def getPreferenceColour(name):
 342         colorString = getPreference(name)
 343         return [float(int(colorString[1:3], 16)) / 255, float(int(colorString[3:5], 16)) / 255, float(int(colorString[5:7], 16)) / 255, 1.0]
 344
 345 def getPreference(name):
 346         if name in tempOverride:
 347                 return unicode(tempOverride[name])
 348         global globalPreferenceParser
 349         if globalPreferenceParser is None:
 350                 globalPreferenceParser = ConfigParser.ConfigParser()
 351                 globalPreferenceParser.read(getPreferencePath())
 352         if not globalPreferenceParser.has_option('preference', name):
 353                 if name in preferencesDefaultSettings:
 354                         default = preferencesDefaultSettings[name]
 355                 else:
 356                         print("Missing default setting for: '" + name + "'")
 357                         preferencesDefaultSettings[name] = ''
 358                         default = ''
 359                 if not globalPreferenceParser.has_section('preference'):
 360                         globalPreferenceParser.add_section('preference')
 361                 globalPreferenceParser.set('preference', name, str(default))
 362                 #print(name + " not found in preferences, so using default: " + str(default))
 363                 return default
 364         return unicode(globalPreferenceParser.get('preference', name), "utf-8")
 365
 366 def putPreference(name, value):
 367         #Check if we have a configuration file loaded, else load the default.
 368         global globalPreferenceParser
 369         if globalPreferenceParser == None:
 370                 globalPreferenceParser = ConfigParser.ConfigParser()
 371                 globalPreferenceParser.read(getPreferencePath())
 372         if not globalPreferenceParser.has_section('preference'):
 373                 globalPreferenceParser.add_section('preference')
 374         globalPreferenceParser.set('preference', name, unicode(value).encode("utf-8"))
 375         globalPreferenceParser.write(open(getPreferencePath(), 'w'))
 376
 377 def isPreference(name):
 378         if name in preferencesDefaultSettings:
 379                 return True
 380         return False
 381
 382 ## Temp overrides for multi-extruder slicing and the project planner.
 383 tempOverride = {}
 384 def setTempOverride(name, value):
 385         tempOverride[name] = unicode(value).encode("utf-8")
 386 def clearTempOverride(name):
 387         del tempOverride[name]
 388 def resetTempOverride():
 389         tempOverride.clear()
 390
 391 #########################################################
 392 ## Utility functions to calculate common profile values
 393 #########################################################
 394 def calculateEdgeWidth():
 395         wallThickness = getProfileSettingFloat('wall_thickness')
 396         nozzleSize = getProfileSettingFloat('nozzle_size')
 397
 398         if wallThickness < nozzleSize:
 399                 return wallThickness
 400
 401         lineCount = int(wallThickness / nozzleSize + 0.0001)
 402         lineWidth = wallThickness / lineCount
 403         lineWidthAlt = wallThickness / (lineCount + 1)
 404         if lineWidth > nozzleSize * 1.5:
 405                 return lineWidthAlt
 406         return lineWidth
 407
 408 def calculateLineCount():
 409         wallThickness = getProfileSettingFloat('wall_thickness')
 410         nozzleSize = getProfileSettingFloat('nozzle_size')
 411
 412         if wallThickness < nozzleSize:
 413                 return 1
 414
 415         lineCount = int(wallThickness / nozzleSize + 0.0001)
 416         lineWidth = wallThickness / lineCount
 417         lineWidthAlt = wallThickness / (lineCount + 1)
 418         if lineWidth > nozzleSize * 1.5:
 419                 return lineCount + 1
 420         return lineCount
 421
 422 def calculateSolidLayerCount():
 423         layerHeight = getProfileSettingFloat('layer_height')
 424         solidThickness = getProfileSettingFloat('solid_layer_thickness')
 425         return int(math.ceil(solidThickness / layerHeight - 0.0001))
 426
 427 def getMachineCenterCoords():
 428         return [getPreferenceFloat('machine_width') / 2, getPreferenceFloat('machine_depth') / 2]
 429
 430 def getObjectMatrix():
 431         rotate = getProfileSettingFloat('model_rotate_base')
 432         rotate = rotate / 180.0 * math.pi
 433         scaleX = getProfileSettingFloat('model_scale')
 434         scaleY = getProfileSettingFloat('model_scale')
 435         scaleZ = getProfileSettingFloat('model_scale')
 436         if getProfileSetting('flipX') == 'True':
 437                 scaleX = -scaleX
 438         if getProfileSetting('flipY') == 'True':
 439                 scaleY = -scaleY
 440         if getProfileSetting('flipZ') == 'True':
 441                 scaleZ = -scaleZ
 442         mat00 = math.cos(rotate) * scaleX
 443         mat01 =-math.sin(rotate) * scaleY
 444         mat10 = math.sin(rotate) * scaleX
 445         mat11 = math.cos(rotate) * scaleY
 446
 447         mat = [mat00,mat10,0, mat01,mat11,0, 0,0,scaleZ]
 448         if getProfileSetting('swap_xz') == 'True':
 449                 mat = mat[6:9] + mat[3:6] + mat[0:3]
 450         if getProfileSetting('swap_yz') == 'True':
 451                 mat = mat[0:3] + mat[6:9] + mat[3:6]
 452         return mat
 453
 454 #########################################################
 455 ## Alteration file functions
 456 #########################################################
 457 def replaceTagMatch(m):
 458         pre = m.group(1)
 459         tag = m.group(2)
 460         if tag == 'time':
 461                 return pre + time.strftime('%H:%M:%S').encode('utf-8', 'replace')
 462         if tag == 'date':
 463                 return pre + time.strftime('%d %b %Y').encode('utf-8', 'replace')
 464         if tag == 'day':
 465                 return pre + time.strftime('%a').encode('utf-8', 'replace')
 466         if tag == 'print_time':
 467                 return pre + '#P_TIME#'
 468         if tag == 'filament_amount':
 469                 return pre + '#F_AMNT#'
 470         if tag == 'filament_weight':
 471                 return pre + '#F_WGHT#'
 472         if tag == 'filament_cost':
 473                 return pre + '#F_COST#'
 474         if pre == 'F' and tag in ['print_speed', 'retraction_speed', 'travel_speed', 'max_z_speed', 'bottom_layer_speed', 'cool_min_feedrate']:
 475                 f = getProfileSettingFloat(tag) * 60
 476         elif isProfileSetting(tag):
 477                 f = getProfileSettingFloat(tag)
 478         elif isPreference(tag):
 479                 f = getProfileSettingFloat(tag)
 480         else:
 481                 return '%s?%s?' % (pre, tag)
 482         if (f % 1) == 0:
 483                 return pre + str(int(f))
 484         return pre + str(f)
 485
 486 def replaceGCodeTags(filename, gcodeInt):
 487         f = open(filename, 'r+')
 488         data = f.read(2048)
 489         data = data.replace('#P_TIME#', ('%5d:%02d' % (int(gcodeInt.totalMoveTimeMinute / 60), int(gcodeInt.totalMoveTimeMinute % 60)))[-8:])
 490         data = data.replace('#F_AMNT#', ('%8.2f' % (gcodeInt.extrusionAmount / 1000))[-8:])
 491         data = data.replace('#F_WGHT#', ('%8.2f' % (gcodeInt.calculateWeight() * 1000))[-8:])
 492         cost = gcodeInt.calculateCost()
 493         if cost is None:
 494                 cost = 'Unknown'
 495         data = data.replace('#F_COST#', ('%8s' % (cost.split(' ')[0]))[-8:])
 496         f.seek(0)
 497         f.write(data)
 498         f.close()
 499
 500 ### Get aleration raw contents. (Used internally in Cura)
 501 def getAlterationFile(filename):
 502         #Check if we have a configuration file loaded, else load the default.
 503         if not globals().has_key('globalProfileParser'):
 504                 loadGlobalProfile(getDefaultProfilePath())
 505
 506         if not globalProfileParser.has_option('alterations', filename):
 507                 if filename in alterationDefault:
 508                         default = alterationDefault[filename]
 509                 else:
 510                         print("Missing default alteration for: '" + filename + "'")
 511                         alterationDefault[filename] = ''
 512                         default = ''
 513                 if not globalProfileParser.has_section('alterations'):
 514                         globalProfileParser.add_section('alterations')
 515                 #print("Using default for: %s" % (filename))
 516                 globalProfileParser.set('alterations', filename, default)
 517         return unicode(globalProfileParser.get('alterations', filename), "utf-8")
 518
 519 def setAlterationFile(filename, value):
 520         #Check if we have a configuration file loaded, else load the default.
 521         if not globals().has_key('globalProfileParser'):
 522                 loadGlobalProfile(getDefaultProfilePath())
 523         if not globalProfileParser.has_section('alterations'):
 524                 globalProfileParser.add_section('alterations')
 525         globalProfileParser.set('alterations', filename, value.encode("utf-8"))
 526         saveGlobalProfile(getDefaultProfilePath())
 527
 528 ### Get the alteration file for output. (Used by Skeinforge)
 529 def getAlterationFileContents(filename):
 530         prefix = ''
 531         postfix = ''
 532         alterationContents = getAlterationFile(filename)
 533         if filename == 'start.gcode':
 534                 #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.
 535                 #We also set our steps per E here, if configured.
 536                 eSteps = getPreferenceFloat('steps_per_e')
 537                 if eSteps > 0:
 538                         prefix += 'M92 E%f\n' % (eSteps)
 539                 temp = getProfileSettingFloat('print_temperature')
 540                 bedTemp = 0
 541                 if getPreference('has_heated_bed') == 'True':
 542                         bedTemp = getProfileSettingFloat('print_bed_temperature')
 543
 544                 if bedTemp > 0 and not '{print_bed_temperature}' in alterationContents:
 545                         prefix += 'M140 S%f\n' % (bedTemp)
 546                 if temp > 0 and not '{print_temperature}' in alterationContents:
 547                         prefix += 'M109 S%f\n' % (temp)
 548                 if bedTemp > 0 and not '{print_bed_temperature}' in alterationContents:
 549                         prefix += 'M190 S%f\n' % (bedTemp)
 550         elif filename == 'end.gcode':
 551                 #Append the profile string to the end of the GCode, so we can load it from the GCode file later.
 552                 postfix = ';CURA_PROFILE_STRING:%s\n' % (getGlobalProfileString())
 553         elif filename == 'replace.csv':
 554                 #Always remove the extruder on/off M codes. These are no longer needed in 5D printing.
 555                 prefix = 'M101\nM103\n'
 556         elif filename == 'support_start.gcode' or filename == 'support_end.gcode':
 557                 #Add support start/end code
 558                 if getProfileSetting('support_dual_extrusion') == 'True' and int(getPreference('extruder_amount')) > 1:
 559                         if filename == 'support_start.gcode':
 560                                 setTempOverride('extruder', '1')
 561                         else:
 562                                 setTempOverride('extruder', '0')
 563                         alterationContents = getAlterationFileContents('switchExtruder.gcode')
 564                         clearTempOverride('extruder')
 565                 else:
 566                         alterationContents = ''
 567         return unicode(prefix + re.sub("(.)\{([^\}]*)\}", replaceTagMatch, alterationContents).rstrip() + '\n' + postfix).strip().encode('utf-8') + '\n'
 568
 569 ###### PLUGIN #####
 570
 571 def getPluginConfig():
 572         try:
 573                 return pickle.loads(getProfileSetting('plugin_config'))
 574         except:
 575                 return []
 576
 577 def setPluginConfig(config):
 578         putProfileSetting('plugin_config', pickle.dumps(config))
 579
 580 def getPluginBasePaths():
 581         ret = []
 582         if platform.system() != "Windows":
 583                 ret.append(os.path.expanduser('~/.cura/plugins/'))
 584         if platform.system() == "Darwin" and hasattr(sys, 'frozen'):
 585                 ret.append(os.path.normpath(os.path.join(resources.resourceBasePath, "Cura/plugins")))
 586         else:
 587                 ret.append(os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'plugins')))
 588         return ret
 589
 590 def getPluginList():
 591         ret = []
 592         for basePath in getPluginBasePaths():
 593                 for filename in glob.glob(os.path.join(basePath, '*.py')):
 594                         filename = os.path.basename(filename)
 595                         if filename.startswith('_'):
 596                                 continue
 597                         with open(os.path.join(basePath, filename), "r") as f:
 598                                 item = {'filename': filename, 'name': None, 'info': None, 'type': None, 'params': []}
 599                                 for line in f:
 600                                         line = line.strip()
 601                                         if not line.startswith('#'):
 602                                                 break
 603                                         line = line[1:].split(':', 1)
 604                                         if len(line) != 2:
 605                                                 continue
 606                                         if line[0].upper() == 'NAME':
 607                                                 item['name'] = line[1].strip()
 608                                         elif line[0].upper() == 'INFO':
 609                                                 item['info'] = line[1].strip()
 610                                         elif line[0].upper() == 'TYPE':
 611                                                 item['type'] = line[1].strip()
 612                                         elif line[0].upper() == 'DEPEND':
 613                                                 pass
 614                                         elif line[0].upper() == 'PARAM':
 615                                                 m = re.match('([a-zA-Z]*)\(([a-zA-Z_]*)(?::([^\)]*))?\) +(.*)', line[1].strip())
 616                                                 if m is not None:
 617                                                         item['params'].append({'name': m.group(1), 'type': m.group(2), 'default': m.group(3), 'description': m.group(4)})
 618                                         else:
 619                                                 print "Unknown item in effect meta data: %s %s" % (line[0], line[1])
 620                                 if item['name'] != None and item['type'] == 'postprocess':
 621                                         ret.append(item)
 622         return ret
 623
 624 def runPostProcessingPlugins(gcodefilename):
 625         pluginConfigList = getPluginConfig()
 626         pluginList = getPluginList()
 627
 628         for pluginConfig in pluginConfigList:
 629                 plugin = None
 630                 for pluginTest in pluginList:
 631                         if pluginTest['filename'] == pluginConfig['filename']:
 632                                 plugin = pluginTest
 633                 if plugin is None:
 634                         continue
 635
 636                 pythonFile = None
 637                 for basePath in getPluginBasePaths():
 638                         testFilename = os.path.join(basePath, pluginConfig['filename'])
 639                         if os.path.isfile(testFilename):
 640                                 pythonFile = testFilename
 641                 if pythonFile is None:
 642                         continue
 643
 644                 locals = {'filename': gcodefilename}
 645                 for param in plugin['params']:
 646                         value = param['default']
 647                         if param['name'] in pluginConfig['params']:
 648                                 value = pluginConfig['params'][param['name']]
 649
 650                         if param['type'] == 'float':
 651                                 try:
 652                                         value = float(value)
 653                                 except:
 654                                         value = float(param['default'])
 655
 656                         locals[param['name']] = value
 657                 try:
 658                         execfile(pythonFile, locals)
 659                 except:
 660                         locationInfo = traceback.extract_tb(sys.exc_info()[2])[-1]
 661                         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])
 662         return None
 663
 664 def getSDcardDrives():
 665         drives = ['']
 666         if platform.system() == "Windows":
 667                 from ctypes import windll
 668                 bitmask = windll.kernel32.GetLogicalDrives()
 669                 for letter in string.uppercase:
 670                         if bitmask & 1:
 671                                 drives.append(letter + ':/')
 672                         bitmask >>= 1
 673         if platform.system() == "Darwin":
 674                 drives = []
 675                 for volume in glob.glob('/Volumes/*'):
 676                         if stat.S_ISLNK(os.lstat(volume).st_mode):
 677                                 continue
 678                         drives.append(volume)
 679         return drives