Changeset ab847bc for fedd/federation/util.py

Timestamp:

Apr 28, 2010 4:09:53 AM (14 years ago)

Author:

Ted Faber <faber@…>

Branches:

axis_example, compt_changes, info-ops, master, version-3.01, version-3.02

Children:

12658df

Parents:

05fceef

Message:

New syntax for testbeds that includes a /instance rider. This allows users to
request multiple segments from a single testbed.

File:

• fedd/federation/util.py (modified) (1 diff)

fedd/federation/util.py

@@ -213 +213 @@
         raise failed_excpetion
 
+# Functions to manipulate composite testbed names
+def testbed_base(tb):
+    """
+    Simple code to get the base testebd name.
+    """
+    i = tb.find('/')
+    if i == -1: return tb
+    else: return tb[0:i]
+
+def testbed_suffix(tb):
+    """
+    Simple code to get a testbed suffix, if nay.  No suffix returns None.
+    """
+    i = tb.find('/')
+    if i != -1: return tb[i+1:]
+    else: return None
+
+def split_testbed(tb):
+    """
+    Return a testbed and a suffix as a tuple.  No suffix returns None for that
+    field
+    """
+
+    i = tb.find('/')
+    if i != -1: return (tb[0:i], tb[i+1:])
+    else: return (tb, None)
+
+def join_testbed(base, suffix=None):
+    """
+    Build a testbed with suffix.  If base is itself a tuple, combine them,
+    otherwise combine the two.
+    """
+    if isinstance(base, tuple):
+        if len(base) == 2:
+            return '/'.join(base)
+        else:
+            raise RuntimeError("Too many tuple elements for join_testbed")
+    else:
+        if suffix:
+            return '/'.join((base, suffix))
+        else:
+            return base