Raspberry Pi BOINC Client from Project Mooninite

CP at NUCC put these scripts together to handle communication with the BOINC server for our element14 Presents collaboration.

boinc.py

import subprocess

class boinc():


  # Executes boinccmd commands
  def cmd(self, command):
    try:
      command.insert(0, "boinccmd")
      p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      return p.communicate()
    except OSError:
      print("[-] Boinccmd is not installed. Try apt-get install boinc-client")
      quit()
    except:
      print("[-] Error! '%s' failed." % (command))
      return None

  def get_tasks(self):
    return self.fss_parser(self.bcmd_rparse(self.cmd(["--get_tasks"])))

  def bcmd_rparse(self, resp):

    if resp == ('',''): # No Message, No Error. Looks like things went well.
      return True

    #fail
    # there seems to be a bug with certain boinccmd communications to boinc clients, change this to check for resp0 before returning false for the presence of resp1
    if resp[1].startswith("Operation failed: Error 2"):
      return resp[0].strip()

    mesres = {
      "can't connect to"                       : "[-] Boinccmd can't contact worker. Check BOINC client settings/process.",
      "Operation failed: read() failed"        : "[-] Boinccmd can't contact worker. BOINC client seems to be running, check remote GUI RPC settings.",
      "RPC error: Already attached to project" : "[-] Worker is already attached to project.",
      "RPC error: No such project"             : "[-] Worker is not attached to this project.",
      "RPC error: no such result"              : "[-] No such result. No such task exists?"}

    if resp[1]:
      for mr in mesres:
        if resp[1].startswith(mr):
          print(mesres[mr])
          return False
      print("Error!" + resp[1])
      return False
    return resp[0].strip() # FSS or other data



  def fss_parser(self, fss_raw):
    if fss_raw in ["", None, False]: # I did this for reasons, what they are I no longer remember
      return None
    if "======== " not in fss_raw:
      fss_data = self.fss_subparser(fss_raw)
      return fss_data

    fss_chunks = fss_raw.split("======== ")
    fss_data   = {}

    for chunk in fss_chunks:
      name = chunk.strip().split("\n")[0][0:-9]
      if name is not "":
        fss_data[name] = None

        if ") -----------" not in chunk: # This section has no subsections
          fss_data[name] = self.fss_subparser(chunk)
        else: # This section should have subsections
          fss_data[name] = []
          for chunklet in chunk.split(") -----------")[1:]:
            chunklet = chunklet.split("GUI URL:")[0] # We don't need the rest
            fss_data[name].append(self.fss_subparser(chunklet))
    return fss_data

  def fss_subparser(self, fss_chunk):
    data = {}
    for line in fss_chunk.strip().split("\n"):
      if ":" in line:
        if line.strip().endswith(":"):
          line += "N/A" # "default" value for if no value exists
        var, val  = line.strip().split(":",1)
        data[var.strip()] = val.strip()
    return data

start_here.sh (run as root on startup)

sudo apt-get install boinc-client
boinccmd --project_attach http://setiathome.berkeley.edu/ [your BOINC project ID]
boinccmd --project_attach http://asteroidsathome.net/boinc/ [your BOINC project ID]

tasks.py (to get percentage complete updates)

import boinc

bnc = boinc.boinc()


tasks  =  bnc.get_tasks()['Tasks']

for task in tasks:
  print task
  print

print

for key, value in tasks[0].iteritems():
  print '%s: %s' % (key,value)


print
print

for task in tasks:
  done_percent = task['fraction done']
  print "task %s is %s done" % (task['name'], "{0:.2%}".format(float(task['fraction done'])))