Cura/util/printerConnection/dummyConnection.py

   1 __copyright__ = "Copyright (C) 2013 David Braam - Released under terms of the AGPLv3 License"
   2
   3 import threading
   4 import json
   5 import httplib as httpclient
   6 import urllib
   7 import time
   8
   9 from Cura.util.printerConnection import printerConnectionBase
  10
  11 #Dummy printer class which is always
  12 class dummyConnection(printerConnectionBase.printerConnectionBase):
  13         def __init__(self):
  14                 super(dummyConnection, self).__init__()
  15
  16                 self._printing = False
  17                 self._lineCount = 0
  18                 self._progressLine = 0
  19
  20                 self.printThread = threading.Thread(target=self._dummyThread)
  21                 self.printThread.daemon = True
  22                 self.printThread.start()
  23
  24         #Load the file into memory for printing.
  25         def loadFile(self, filename):
  26                 if self._printing:
  27                         return False
  28                 self._lineCount = 0
  29                 f = open(filename, "r")
  30                 for line in f:
  31                         #Strip out comments, we do not need to send comments
  32                         if ';' in line:
  33                                 line = line[:line.index(';')]
  34                         #Strip out whitespace at the beginning/end this saves data to send.
  35                         line = line.strip()
  36
  37                         if len(line) < 1:
  38                                 continue
  39                         self._lineCount += 1
  40                 self._doCallback()
  41                 return True
  42
  43         #Start printing the previously loaded file
  44         def startPrint(self):
  45                 if self._printing or self._lineCount < 1:
  46                         return
  47                 self._progressLine = 0
  48                 self._printing = True
  49
  50         #Abort the previously loaded print file
  51         def cancelPrint(self):
  52                 self._printing = False
  53
  54         def isPrinting(self):
  55                 return self._printing
  56
  57         #Amount of progression of the current print file. 0.0 to 1.0
  58         def getPrintProgress(self):
  59                 if self._lineCount < 1:
  60                         return 0.0
  61                 return float(self._progressLine) / float(self._lineCount)
  62
  63         # Return if the printer with this connection type is available
  64         def isAvailable(self):
  65                 return True
  66
  67         # Get the connection status string. This is displayed to the user and can be used to communicate
  68         #  various information to the user.
  69         def getStatusString(self):
  70                 return "DUMMY!\n%i %i\n%i" % (self._progressLine, self._lineCount, self._printing)
  71
  72         def _dummyThread(self):
  73                 while True:
  74                         if not self._printing:
  75                                 time.sleep(5)
  76                                 self._doCallback()
  77                         else:
  78                                 time.sleep(0.01)
  79                                 self._progressLine += 1
  80                                 if self._progressLine == self._lineCount:
  81                                         self._printing = False
  82                                 self._doCallback()