Cura/util/sliceRun.py

   1 from __future__ import absolute_import
   2
   3 import platform, os, subprocess, sys
   4
   5 if not hasattr(sys, 'frozen'):
   6         cura_sf_path = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../cura_sf/"))
   7         if cura_sf_path not in sys.path:
   8                 sys.path.append(cura_sf_path)
   9         from skeinforge_application.skeinforge_utilities import skeinforge_craft
  10
  11 from util import profile
  12
  13 #How long does each step take compared to the others. This is used to make a better scaled progress bar, and guess time left.
  14 sliceStepTimeFactor = {
  15         'start': 3.3713991642,
  16         'slice': 15.4984838963,
  17         'preface': 5.17178297043,
  18         'inset': 116.362634182,
  19         'fill': 215.702672005,
  20         'multiply': 21.9536788464,
  21         'speed': 12.759510994,
  22         'raft': 31.4580039978,
  23         'skirt': 19.3436040878,
  24         'skin': 1.0,
  25         'joris': 1.0,
  26         'dwindle': 1.0,
  27         'comb': 23.7805759907,
  28         'cool': 27.148763895,
  29         'dimension': 90.4914340973
  30 }
  31
  32 totalRunTimeFactor = 0
  33 for v in sliceStepTimeFactor.values():
  34         totalRunTimeFactor += v
  35
  36 def getPyPyExe():
  37         "Return the path to the pypy executable if we can find it. Else return False"
  38         if platform.system() == "Windows":
  39                 exeName = "pypy.exe"
  40                 pypyExe = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../pypy/pypy.exe"))
  41         else:
  42                 exeName = "pypy"
  43                 pypyExe = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../pypy/bin/pypy"))
  44         if os.path.exists(pypyExe):
  45                 return pypyExe
  46
  47         path = os.environ['PATH']
  48         paths = path.split(os.pathsep)
  49         for p in paths:
  50                 pypyExe = os.path.join(p, exeName)
  51                 if os.path.exists(pypyExe):
  52                         return pypyExe
  53         return False
  54
  55 def getSlic3rExe():
  56         "Return the path to the pypy executable if we can find it. Else return False"
  57         if platform.system() == "Windows":
  58                 exeName = "slic3r.exe"
  59                 slic3rExe = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../Slic3r/bin/slic3r.exe"));
  60         else:
  61                 exeName = "slic3r"
  62                 slic3rExe = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../../Slic3r/bin/slic3r"));
  63         if os.path.exists(slic3rExe):
  64                 return slic3rExe
  65
  66         path = os.environ['PATH']
  67         paths = path.split(os.pathsep)
  68         for p in paths:
  69                 slic3rExe = os.path.join(p, exeName)
  70                 if os.path.exists(slic3rExe):
  71                         return slic3rExe
  72         return False
  73
  74 def runSlice(fileNames):
  75         "Run the slicer on the files. If we are running with PyPy then just do the slicing action. If we are running as Python, try to find pypy."
  76         pypyExe = getPyPyExe()
  77         for fileName in fileNames:
  78                 if fileName.startswith("#UTF8#"):
  79                         fileName = unicode(fileName[6:], "utf-8")
  80                 if platform.python_implementation() == "PyPy":
  81                         skeinforge_craft.writeOutput(fileName)
  82                 elif pypyExe == False:
  83                         if not hasattr(sys, 'frozen'):
  84                                 print("************************************************")
  85                                 print("* Failed to find pypy, so slicing with python! *")
  86                                 print("************************************************")
  87                                 skeinforge_craft.writeOutput(fileName)
  88                                 print("************************************************")
  89                                 print("* Failed to find pypy, so sliced with python!  *")
  90                                 print("************************************************")
  91                         else:
  92                                 print("******************************************************************")
  93                                 print("* Failed to find pypy, we need pypy to slice with a frozen build *")
  94                                 print("* Place pypy in the same directory as Cura so Cura can find it.  *")
  95                                 print("******************************************************************")
  96                                 sys.exit(1)
  97                 else:
  98                         subprocess.call(getSliceCommand(fileName))
  99
 100 def getExportFilename(filename, ext = "gcode"):
 101         return "%s_export.%s" % (filename[: filename.rfind('.')], ext)
 102
 103 #Get a short filename in 8.3 format for proper saving on SD.
 104 def getShortFilename(filename):
 105         ext = filename[filename.rfind('.'):]
 106         filename = filename[: filename.rfind('.')]
 107         return filename[:8] + ext[:2]
 108
 109 def getSliceCommand(filename):
 110         if profile.getPreference('slicer').startswith('Slic3r') and getSlic3rExe() != False:
 111                 slic3rExe = getSlic3rExe()
 112                 if slic3rExe == False:
 113                         return False
 114                 cmd = [slic3rExe,
 115                         '--output-filename-format', '[input_filename_base]_export.gcode',
 116                         '--nozzle-diameter', str(profile.calculateEdgeWidth()),
 117                         '--print-center', '%s,%s' % (profile.getProfileSetting('machine_center_x'), profile.getProfileSetting('machine_center_y')),
 118                         '--z-offset', '0',
 119                         '--gcode-flavor', 'reprap',
 120                         '--gcode-comments',
 121                         '--filament-diameter', profile.getProfileSetting('filament_diameter'),
 122                         '--extrusion-multiplier', str(1.0 / float(profile.getProfileSetting('filament_density'))),
 123                         '--temperature', profile.getProfileSetting('print_temperature'),
 124                         '--travel-speed', profile.getProfileSetting('travel_speed'),
 125                         '--perimeter-speed', profile.getProfileSetting('print_speed'),
 126                         '--small-perimeter-speed', profile.getProfileSetting('print_speed'),
 127                         '--infill-speed', profile.getProfileSetting('print_speed'),
 128                         '--solid-infill-speed', profile.getProfileSetting('print_speed'),
 129                         '--bridge-speed', profile.getProfileSetting('print_speed'),
 130                         '--bottom-layer-speed-ratio', str(float(profile.getProfileSetting('bottom_layer_speed')) / float(profile.getProfileSetting('print_speed'))),
 131                         '--layer-height', profile.getProfileSetting('layer_height'),
 132                         '--first-layer-height-ratio', '1.0',
 133                         '--infill-every-layers', '1',
 134                         '--perimeters', str(profile.calculateLineCount()),
 135                         '--solid-layers', str(profile.calculateSolidLayerCount()),
 136                         '--fill-density', str(float(profile.getProfileSetting('fill_density'))/100),
 137                         '--fill-angle', '45',
 138                         '--fill-pattern', 'rectilinear', #rectilinear line concentric hilbertcurve archimedeanchords octagramspiral
 139                         '--solid-fill-pattern', 'rectilinear',
 140                         '--start-gcode', profile.getAlterationFilePath('start.gcode'),
 141                         '--end-gcode', profile.getAlterationFilePath('end.gcode'),
 142                         '--retract-length', profile.getProfileSetting('retraction_amount'),
 143                         '--retract-speed', str(int(float(profile.getProfileSetting('retraction_speed')))),
 144                         '--retract-restart-extra', profile.getProfileSetting('retraction_extra'),
 145                         '--retract-before-travel', profile.getProfileSetting('retraction_min_travel'),
 146                         '--retract-lift', '0',
 147                         '--slowdown-below-layer-time', profile.getProfileSetting('cool_min_layer_time'),
 148                         '--min-print-speed', profile.getProfileSetting('cool_min_feedrate'),
 149                         '--skirts', profile.getProfileSetting('skirt_line_count'),
 150                         '--skirt-distance', str(int(float(profile.getProfileSetting('skirt_gap')))),
 151                         '--skirt-height', '1',
 152                         '--scale', profile.getProfileSetting('model_scale'),
 153                         '--rotate', profile.getProfileSetting('model_rotate_base'),
 154                         '--duplicate-x', profile.getProfileSetting('model_multiply_x'),
 155                         '--duplicate-y', profile.getProfileSetting('model_multiply_y'),
 156                         '--duplicate-distance', '10']
 157                 if profile.getProfileSetting('support') != 'None':
 158                         cmd.extend(['--support-material'])
 159                 cmd.extend([filename])
 160                 return cmd
 161         else:
 162                 pypyExe = getPyPyExe()
 163                 if pypyExe == False:
 164                         pypyExe = sys.executable
 165
 166                 #In case we have a frozen exe, then argv[0] points to the executable, but we want to give pypy a real script file.
 167                 if hasattr(sys, 'frozen'):
 168                         mainScriptFile = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "../..", "cura_sf.zip"))
 169                 else:
 170                         mainScriptFile = os.path.abspath(os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", os.path.split(sys.argv[0])[1]))
 171                 cmd = [pypyExe, mainScriptFile, '-p', profile.getGlobalProfileString(), '-s']
 172                 if platform.system() == "Windows":
 173                         try:
 174                                 cmd.append(str(filename))
 175                         except UnicodeEncodeError:
 176                                 cmd.append("#UTF8#" + filename.encode("utf-8"))
 177                 else:
 178                         cmd.append(filename)
 179                 return cmd
 180