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
  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
  41         #Start printing the previously loaded file
  42         def startPrint(self):
  43                 if self._printing or self._lineCount < 1:
  44                         return
  45                 self._progressLine = 0
  46                 self._printing = True
  47
  48         #Abort the previously loaded print file
  49         def cancelPrint(self):
  50                 self._printing = False
  51
  52         def isPrinting(self):
  53                 return self._printing
  54
  55         #Amount of progression of the current print file. 0.0 to 1.0
  56         def getPrintProgress(self):
  57                 if self._lineCount < 1:
  58                         return 0.0
  59                 return float(self._progressLine) / float(self._lineCount)
  60
  61         # Return if the printer with this connection type is available
  62         def isAvailable(self):
  63                 return True
  64
  65         # Get the connection status string. This is displayed to the user and can be used to communicate
  66         #  various information to the user.
  67         def getStatusString(self):
  68                 return "DUMMY!"
  69
  70         def _dummyThread(self):
  71                 while True:
  72                         if not self._printing:
  73                                 time.sleep(5)
  74                         else:
  75                                 time.sleep(0.01)
  76                                 self._progressLine += 1
  77                                 if self._progressLine == self._lineCount:
  78                                         self._printing = False
  79                                 self._doCallback()