1 files changed, 49 insertions, 0 deletions
diff --git a/coverage/morf.py b/coverage/morf.py
new file mode 100644
index 00000000..ba97ed09
--- /dev/null
+++ b/coverage/morf.py
@@ -0,0 +1,49 @@
+"""Module or Filename handling for coverage.py"""
+
+# TODO: Distinguish between morf (input: module or filename), and Morf (class
+# that can represent either).
+
+def morf_factory(morfs, omit_prefixes=None):
+    # Be sure we have a list.
+    if not isinstance(morfs, types.ListType):
+        morfs = [morfs]
+    
+    # On Windows, the shell doesn't expand wildcards.  Do it here.
+    globbed = []
+    for morf in morfs:
+        if isinstance(morf, basestring) and ('?' in morf or '*' in morf):
+            globbed.extend(glob.glob(morf))
+        else:
+            globbed.append(morf)
+    morfs = globbed
+
+    morfs = map(Morf, morfs)
+    
+    if omit_prefixes:
+        filtered_morfs = []
+        for morf in morfs:
+            for prefix in omit_prefixes:
+                if morf.name.startswith(prefix):
+                    break
+            else:
+                filtered_morfs.append(morf)
+    
+        morfs = filtered_morfs
+
+    return morfs
+
+class Morf:
+    def __init__(self, morf):
+        if hasattr(morf, '__file__'):
+            f = morf.__file__
+        else:
+            f = morf
+        self.filename = self.canonical_filename(f)
+
+        if hasattr(morf, '__name__'):
+            self.name = morf.__name__
+        else:
+            self.name = self.relative_filename(os.path.splitext(morf)[0])
+
+    def __cmp__(self, other):
+        return cmp(self.name, other.name)