Printer console - an interactive command-line host
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b679451a43
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import cmd, printcore, sys
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#help(cmd)
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import glob, os, time
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class pronsole(cmd.Cmd):
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def __init__(self):
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cmd.Cmd.__init__(self)
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self.p=printcore.printcore()
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self.prompt="PC>"
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self.p.onlinecb=self.online
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self.f=None
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self.paused=False
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def scanserial(self):
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"""scan for available ports. return a list of device names."""
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#TODO: Add windows port detection
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return glob.glob('/dev/ttyUSB*') + glob.glob('/dev/ttyACM*') +glob.glob("/dev/tty.*")+glob.glob("/dev/cu.*")+glob.glob("/dev/rfcomm*")
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def online(self):
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print "Printer is now online"
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sys.stdout.write(self.prompt)
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sys.stdout.flush()
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def help_help(self,l):
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self.do_help("")
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def do_gcodes(self,l):
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self.help_gcodes()
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def help_gcodes(self):
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print "Gcodes are passed through to the printer as they are"
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def postloop(self):
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self.p.disconnect()
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cmd.Cmd.postloop(self)
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def preloop(self):
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#self.p.disconnect()
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cmd.Cmd.preloop(self)
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def do_connect(self,l):
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a=l.split()
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p=self.scanserial()
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port=p[0]
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baud=115200
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if(len(a)>1):
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port=a[0]
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if(len(a)>2):
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baud=a[1]
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if len(p)==0 and port is None:
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print "No serial ports detected - please specify a port"
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return
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if len(a)==0:
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print "No port specified - connecting to %s at %dbps" % (port,baud)
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self.p.connect(port, baud)
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def help_connect(self):
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print "Connect to printer"
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print "connect <port> <baudrate>"
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print "If port and baudrate are not specified, connects to first detected port at 115200bps"
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def complete_connect(self, text, line, begidx, endidx):
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if (len(line.split())==2 and line[-1] != " ") or (len(line.split())==1 and line[-1]==" "):
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return [i for i in self.scanserial() if i.startswith(text)]
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elif(len(line.split())==3 or (len(line.split())==2 and line[-1]==" ")):
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return [i for i in ["2400", "9600", "19200", "38400", "57600", "115200"] if i.startswith(text)]
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else:
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return []
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def do_disconnect(self,l):
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self.p.disconnect()
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def help_disconnect(self):
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print "Disconnects from the printer"
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def do_load(self,l):
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print "Loading file:"+l
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if not(os.path.exists(l)):
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print "File not found!"
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return
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self.f=[i.replace("\n","") for i in open(l)]
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self.filename=l
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print "Loaded ",l,", ",len(self.f)," lines."
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def complete_load(self, text, line, begidx, endidx):
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s=line.split()
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if (len(s)==1 and line[-1]==" ") or (len(s)==2 and line[-1]!=" "):
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if len(s)>1:
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return [i[len(s[1])-len(text):] for i in glob.glob(s[1]+"*/")+glob.glob(s[1]+"*.g*")]
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else:
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return glob.glob("*/")+glob.glob("*.g*")
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def help_load(self):
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print "Loads a gcode file (with tab-completion)"
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def help_print(self):
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if self.f is None:
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print "Send a loaded gcode file to the printer. Load a file with the load command first."
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else:
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print "Send a loaded gcode file to the printer. You have "+self.filename+" loaded right now."
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def do_print(self, l):
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if self.f is None:
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print "No file loaded. Please use load first."
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return
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if not self.p.online:
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print "Not connected to printer."
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return
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print("Printing "+self.filename)
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print("Press Ctrl-C to interrupt print (you can resume it with the resume command)")
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self.p.startprint(self.f)
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self.p.pause()
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self.paused=True
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self.do_resume(None)
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def do_resume(self,l):
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if not self.paused:
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print "Not paused, unable to resume. Start a print first."
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return
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self.paused=False
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try:
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self.p.resume()
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#print self.p.printing
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sys.stdout.write("Progress: 00.0%")
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sys.stdout.flush()
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time.sleep(1)
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while self.p.printing:
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time.sleep(1)
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sys.stdout.write("\b\b\b\b\b%04.1f%%" % (100*float(self.p.queueindex)/len(self.p.mainqueue),) )
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sys.stdout.flush()
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print "Print completed."
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return
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except:
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print "...interrupted!"
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self.paused=True
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self.p.pause()
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print "Use the resume command to resume this print"
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def emptyline(self):
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pass
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def do_shell(self,l):
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exec(l)
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def help_shell(self):
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print "Executes a python command. Example:"
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print "! os.listdir('.')"
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def default(self,l):
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if(l[0]=='M' or l[0]=="G"):
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if(self.p and self.p.online):
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print "SENDING:"+l
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self.p.send_now(l)
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if(l[0]=='m' or l[0]=="g"):
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if(self.p and self.p.online):
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print "SENDING:"+l.upper()
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self.p.send_now(l.upper())
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else:
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cmd.Cmd.default(self,l)
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interp=pronsole()
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interp.cmdloop()
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