Remove unused helpers.

2 files changed, 4 insertions, 43 deletions

diff --git a/NEWS b/NEWS
index 7b78539..0c3536a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,9 @@
 0.9.3	UNRELEASED
 
+ * Remove unused and untested helper single_plural,
+   invert_dict, invert_dictset and defines_to_dict.
+   (Jelmer Vernooij)
+
 0.9.2	2012-04-03
 
  * Remove reftracker and idmapfile, which are bzr-specific.
diff --git a/fastimport/helpers.py b/fastimport/helpers.py
index 52c5b88..b30a779 100644
--- a/fastimport/helpers.py
+++ b/fastimport/helpers.py
@@ -16,49 +16,6 @@
 """Miscellaneous useful stuff."""
 
 
-def single_plural(n, single, plural):
-    """Return a single or plural form of a noun based on number."""
-    if n == 1:
-        return single
-    else:
-        return plural
-
-
-def defines_to_dict(defines):
-    """Convert a list of definition strings to a dictionary."""
-    if defines is None:
-        return None
-    result = {}
-    for define in defines:
-        kv = define.split('=', 1)
-        if len(kv) == 1:
-            result[define.strip()] = 1
-        else:
-            result[kv[0].strip()] = kv[1].strip()
-    return result
-
-
-def invert_dict(d):
-    """Invert a dictionary with keys matching each value turned into a list."""
-    # Based on recipe from ASPN
-    result = {}
-    for k, v in d.iteritems():
-        keys = result.setdefault(v, [])
-        keys.append(k)
-    return result
-
-
-def invert_dictset(d):
-    """Invert a dictionary with keys matching a set of values, turned into lists."""
-    # Based on recipe from ASPN
-    result = {}
-    for k, c in d.iteritems():
-        for v in c:
-            keys = result.setdefault(v, [])
-            keys.append(k)
-    return result
-
-
 def _common_path_and_rest(l1, l2, common=[]):
     # From http://code.activestate.com/recipes/208993/
     if len(l1) < 1: return (common, l1, l2)