rework sea cfg

use seaststus.tcl instead of a live connection for getting
the current SEA cfg. cfg is now shown also when all instruments
are listed

base.py

@@ -416,10 +416,7 @@ class ServiceManager:
                 for serv, port in info_grp.items():
                     plist = procs_dict.get(serv)
                     if plist:
-                        if ins is None:
+                        cfg = cfginfo.get((ins_i, serv), '') or sm.get_cfg(ins_i, serv)
-                            cfg = ''
-                        else:
-                            cfg = cfginfo.get((ins_i, serv), '') or sm.get_cfg(ins_i, serv)
                         if sm == self:
                             show_ins = True
                         gs = '%s %s' % (group, serv)
@@ -434,7 +431,7 @@ class ServiceManager:
             if show_ins:
                 rows.extend(run_info)
         print('')
-        printTable(('inst', 'service', 'port', '' if ins is None else 'cfg'), rows, print)
+        printTable(('inst', 'service', 'port', 'cfg'), rows, print)
 
     @staticmethod
     def extra_info(ins):

seaman.py

@@ -25,9 +25,12 @@ import time
 import termios
 import subprocess
 import os
+import re
 from os.path import join, exists
 from servicemanager.base import ServiceManager, ServiceDown, UsageError
-from servicemanager.sicsclient import sics_client
+
+CFGLINE = re.compile(r'(device makeitem (name|stick_name) "(.*)" ""|'
+                     r'addon_list makeitem (.*) ("permanent"|"volatile"))')
 
 
 def run_command(cmd, wait=False):
@@ -116,7 +119,27 @@ class SeaManager(ServiceManager):
         if service != 'sea':  # ignore when service == 'graph'
             return ''
         try:
-            return sics_client(('localhost', self.info[ins]['sea']), 'samenv name')
+            searoot = self.env[ins].get('SEA_ROOT', '')
+            seastatus = join(searoot, ins, 'status', 'seastatus.tcl')
+            if not exists(seastatus):
+                seastatus = join(searoot, 'status', 'seastatus.tcl')
+                if not exists(seastatus):
+                    return '?'
+            result = ['', '']
+            with open(seastatus, 'r', encoding='utf-8') as f:
+                for line in f:
+                    match = CFGLINE.match(line)
+                    if match:
+                        _, key, dev, addon, _ = match.groups()
+                        if addon:
+                            result.append(addon)
+                        elif key == 'name':
+                            result[0] = dev
+                        else:
+                            result[1] = dev
+            if not result[-1]:
+                result.pop()
+            return '/'.join(result)
         except Exception as e:
             return repr(e)