add sevenv to getsestuff

getsestuff

@@ -269,6 +269,20 @@ def do_sshnicos():
     do_ssh()
 
 
+def do_sevenv():
+    """install python packages needed for seweb etc."""
+    sevenv = join(home, 'sevenv')
+    if not exists(join(sevenv, 'bin')):
+        do(f'python3 -m venv {sevenv}')
+    if exists(join(sevenv, 'bin')):
+        for pkg in ['mlzlog', 'scipy', 'psutil', 'flask', 'gevent']:
+            if not glob(f'{sevenv}/lib/python3*/site-packages/{pkg}'):
+                if doit:
+                    do(f'{sevenv}/bin/python3 -m pip install {pkg}')
+                else:
+                    print(f'missing {pkg} in sevenv')
+
+
 def do_frappy():
     """Frappy framework"""
     frappydir = join(home, 'frappy')
@@ -555,7 +569,7 @@ else:
         for a in nc_actions:
             ncactionfuncs[a] = locals()['do_%s' % a]
     actions = ['bin', 'scfg', 'frappy', 'servicemanager', 'sea',
-               'calcurves', 'feeder', 'seweb']  # 'ssh'
+               'calcurves', 'feeder', 'seweb', 'sevenv']  # 'ssh'
 
 actionfuncs = {}
 for a in actions: