Difference between revisions of "Selection Exists"

From PyMOLWiki
Jump to: navigation, search
Line 22: Line 22:
 
</source>
 
</source>
  
[[Category:Scripting_Script_Library|Selection Exists]]
+
[[Category:Script_Library|Selection Exists]]

Revision as of 17:27, 6 May 2005

#
# The function below will return true if the selection is defined.
#
from pymol import cmd
from types import *

def sele_exists(sele):
    sess = cmd.get_session()
    for i in sess["names"]:
        if type(i) is ListType:
            if sele==i[0]:
                return 1
    return 0

# Note from Warren:
#
# simpler, faster:

def sele_exists(sele):
   return sele in cmd.get_names("selections")