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