1  from hal_pythonplugin import *
 2  
 3  try:
 4      import importlib
 5      support_aux_apps = True
 6  except:
 7      support_aux_apps = False
 8      print "\n"
 9      print "Gladevcp: Cannot import importlib"
10      print "          Auxiliary Gladevcp apps not available\n"
11  
12  #----------------------------------------------------------------------
13  # Support auxiliary gladevcp apps
14  import os,sys,glob,subprocess
15  
16  def excluded_filename(fname):
17      exclude_list = ["install","setup"]
18      for e in exclude_list:
19          if e in fname: return True
20      return False
21  
22  if support_aux_apps:
23      #----------------------------------------------------------------------
24      modnames = []
25      #----------------------------------------------------------------------
26      # Auxiliary gladevcp apps specified by environmental variable
27      gladevcp_user_extras = os.getenv('GLADEVCP_EXTRAS')
28      if gladevcp_user_extras is not None:
29          print "gladevcp: GLADEVCP_EXTRAS:",gladevcp_user_extras
30          for extradir in gladevcp_user_extras.split(":"):
31              for fname in glob.glob(extradir + "/*.py"):
32                  if excluded_filename(fname):
33                      print "gladevcp: excluded filename:",fname
34                      continue
35                  modname = os.path.basename(fname).split(".")[0]
36                  if modname in modnames:
37                      print "gladevcp: rejecting duplicate:",fname
38                      continue
39                  modnames.append(modname)
40                  sys.path.insert(0,extradir) # prepend
41                  importlib.import_module(modname)
42                  print "gladevcp: importing:",fname
43      #----------------------------------------------------------------------
44      # Auxiliary gladevcp apps may be installed in a known location
45      # location defined by the substitution item LINUXCNC_AUX_GLADEVCP.
46      # The location is available from the script linuxcnc_var
47      # (this script should always be in PATH for both RIP builds and
48      # deb installs of LinuxCNC)
49      s = subprocess.Popen(['linuxcnc_var','LINUXCNC_AUX_GLADEVCP']
50                          ,stdout=subprocess.PIPE
51                          ,stderr=subprocess.PIPE
52                          )
53      p,e = s.communicate()
54      gladevcp_aux_apps_dir = p.strip() # remove trailing \n
55      for auxdir in glob.glob(gladevcp_aux_apps_dir + "/*"):
56          print "gladevcp: auxiliary dir:",auxdir
57          for fname in glob.glob(auxdir + "/*.py"):
58              if excluded_filename(fname):
59                  print "gladevcp: excluded filename:",fname
60                  continue
61              modname = os.path.basename(fname).split(".")[0]
62              if modname in modnames:
63                  print "gladevcp: rejecting duplicate:",fname
64                  continue
65              modnames.append(modname)
66              sys.path.insert(0,auxdir) # prepend
67              importlib.import_module(modname)
68              print "gladevcp: importing:",fname
69      
70      #----------------------------------------------------------------------