1 files changed, 15 insertions, 4 deletions
diff --git a/numpy/lib/convertcode.py b/numpy/lib/convertcode.py
index 3e0a679f0..0c5a0833b 100644
--- a/numpy/lib/convertcode.py
+++ b/numpy/lib/convertcode.py
@@ -126,19 +126,30 @@ def getandcopy(name):
     makenewfile(base+'.orig', filestr)
     return filestr
 
-def fromfile(filename):
+def convertfile(filename):
+    """Convert the filename given from using Numeric to using NumPy
+    
+    Copies the file to filename.orig and then over-writes the file
+    with the updated code
+    """
     filestr = getandcopy(filename)
     filestr = fromstr(filestr)
     makenewfile(filename, filestr)
            
 def fromargs(args):
     filename = args[1]
-    fromfile(filename)
+    convertfile(filename)
+
+def convertall(direc=os.path.curdir):
+    """Convert all .py files to use NumPy (from Numeric) in the directory given
 
-def convertall(direc=''):
+    For each file, a backup of <usesnumeric>.py is made as
+    <usesnumeric>.py.orig.  A new file named <usesnumeric>.py
+    is then written with the updated code.
+    """
     files = glob.glob(os.path.join(direc,'*.py'))
     for afile in files:
-        fromfile(afile)
+        convertfile(afile)
 
 if __name__ == '__main__':
     fromargs(sys.argv)