Add file watching support to ValuestoreRC. Also slightly improve a debug statement in the root config class

terminatorlib/config.py

@@ -34,6 +34,7 @@ up, set a default for it first."""
 import os, platform, sys, re
 import pwd
 import gtk, pango
+import gio
 
 # set this to true to enable debugging output
 # These should be moved somewhere better.
@@ -183,8 +184,9 @@ class TerminatorConfValuestore:
   # Our settings
   def __getitem__ (self, keyname):
     if self.values.has_key (keyname):
-      dbg ("Returning '%s'"%keyname)
-      return self.values[keyname]
+      value = self.values[keyname]
+      dbg ("Returning '%s':'%s'"%(keyname, value))
+      return value
     else:
       dbg ("Failed to find '%s'"%keyname)
       raise (KeyError)
@@ -197,8 +199,6 @@ class TerminatorConfValuestoreDefault (TerminatorConfValuestore):
 class TerminatorConfValuestoreRC (TerminatorConfValuestore):
   rcfilename = ""
   type = "RCFile"
-  #FIXME: use inotify to watch the rc, split __init__ into a parsing function
-  #       that can be re-used when rc changes.
   def __init__ (self):
     try:
       directory = os.environ['XDG_CONFIG_HOME']
@@ -207,11 +207,35 @@ class TerminatorConfValuestoreRC (TerminatorConfValuestore):
       directory = os.path.join (os.path.expanduser("~"), ".config")
     self.rcfilename = os.path.join(directory, "terminator/config")
     dbg(" VS_RCFile: config file located at %s" % self.rcfilename)
-    if os.path.exists (self.rcfilename):
+    self.call_parser(True)
+
+    monfile = gio.File(self.rcfilename)
+    monmon = monfile.monitor_file()
+    monmon.connect("changed", self.file_changed)
+
+  def set_reconfigure_callback (self, function):
+    dbg (" VS_RCFile: setting callback to: %s"%function)
+    self.reconfigure_callback = function
+    return (True)
+
+  def file_changed (self, monitor, file, unknown, event):
+    if event == gio.FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
+      print "VS_RCFile: config file changed, reload"
+      self.values = {}
+      self.call_parser()
+      self.reconfigure_callback()
+
+  def call_parser (self, is_init = False):
+    dbg (" VS_RCFile: parsing config file")
+    if not os.path.exists (self.rcfilename):
+      err (" VS_RCFile: %s does not exist" % self.rcfilename)
     ini = ConfigFile(self.rcfilename, self._rc_set_callback())
     try:
       ini.parse()
     except ParsedWithErrors, e:
+      # We don't really want to produce an error dialog every run
+      if not is_init:
+        pass
       msg = _("""<big><b>Configuration error</b></big>
 
 Errors were encountered while parsing terminator_config(5) file:

terminatorlib/terminator.py

@@ -106,7 +106,10 @@ class Terminator:
     self.term_list = []
     self.gnome_client = None
     stores = []
-    stores.append (config.TerminatorConfValuestoreRC ())
+
+    store = config.TerminatorConfValuestoreRC ()
+    store.set_reconfigure_callback (self.reconfigure_vtes)
+    stores.append (store)
     
     self._tab_reorderable = True
     if not hasattr(gtk.Notebook, "set_tab_reorderable") or not hasattr(gtk.Notebook, "get_tab_reorderable"):