First cura integration attempt

octoprint/cura/.__init__.py

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+''

octoprint/cura/cura.py

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+__author__ = "Ross Hendrickson savorywatt"
+__license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
+
+import logging
+import subprocess
+
+class CuraWrapper(object):
+
+    CURA_PATH = '/home/rosshendrickson/workspaces/opensource/CuraEngine/CuraEngine'
+
+    @staticmethod
+    def create_slicer(path=None):
+
+        if path:
+            return CuraEngine(path)
+        else:
+            return CuraEngine(CuraWrapper.CURA_PATH)
+
+
+
+class CuraEngine(object):
+
+    def  __init__(self, cura_path):
+
+
+        self.cura_path = cura_path
+
+        logging.info('CuraEngine Created')
+
+
+    def process_file(self, config, gcode, file_path):
+        """Wraps around the main.cpp processFile method.
+
+        :param config: :class: `string` :path to a cura config file:
+        :param gcode: :class: `string :path to write out the gcode generated:
+        :param file_path: :class: `string :path to the STL to be sliced:
+
+        :note This just uses subprocess at the moment.
+        """
+
+        args = [self.cura_path, '-s', config, '-o',  gcode, file_path]
+        logging.info('CuraEngine args:%s' % str(args))
+
+        process = subprocess.call(args)
+        logging.info('CuraEngine Exit:%s' % str(process))

octoprint/cura/ev

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+;Generated with Cura_SteamEngine 1.0
+M107
+M104 S0                     ;extruder heater off
+M140 S0                     ;heated bed heater off (if you have it)
+G91                            ;relative positioning
+G1 E-1 F300                    ;retract the filament a bit before lifting the nozzle, to release some of the pressure
+G1 Z+0.5 E-5 X-20 Y-20 F9000   ;move Z up a bit and retract filament even more
+G28 X0 Y0                      ;move X/Y to min endstops, so the head is out of the way
+M84                         ;steppers off
+G90                         ;absolute positioning
+

octoprint/cura/tests/test_cura.py

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+
+
+import unittest
+
+from cura import CuraWrapper
+from cura import CuraEngine
+
+class CuraWrapperTestCase(unittest.TestCase):
+
+
+    def test_cura_wrapper(self):
+
+        fake_path = 'my/temp/path'
+        result = CuraWrapper.create_slicer(fake_path)
+
+        self.assertEqual(fake_path, result.cura_path)
+
+    def test_cura_engine_process_file(self):
+
+        cura_engine = CuraWrapper.create_slicer()
+
+        file_path = '/cura/tests/test.stl'
+        config_path = '/cura/tests/config'
+        gcode_filename= 'output.gcode'
+
+        cura_engine.process_file(config_path, gcode_filename, file_path)
+
+