add support for displaying "direct" changes

i.e. changes made directly to files (not using any
patching system and not underneath ./debian)
also introduce new Diffstat class for mangling
diff stats in various ways.

1 files changed, 22 insertions, 5 deletions

diff --git a/patchtracker/Patch.py b/patchtracker/Patch.py
index 2f604e1..4ec0594 100644
--- a/patchtracker/Patch.py
+++ b/patchtracker/Patch.py
@@ -3,6 +3,27 @@ import os
 import errno
 from glob import glob
 
+class Diffstat:
+  def __init__(self, patch):
+    self.patch = patch
+    i,o = os.popen2("diffstat")
+    i.write(str(patch))
+    i.close()
+    self.output = o.readlines()
+
+  def stats(self):
+    i,o = os.popen2("diffstat -t")
+    i.write(str(self.patch))
+    i.close()
+    o.readline()
+    return [l.split(",") for l in o.readlines()]
+
+  def summary(self):
+    return self.output[-1]
+
+  def __str__(self):
+    return "".join(self.output)
+
 class Patch:
   def __init__(self, fh, level=1):
     self.p = fh.readlines()
@@ -15,11 +36,7 @@ class Patch:
     return len(self.p)
 
   def diffstat(self):
-    i,o = os.popen2("diffstat")
-    i.write(str(self))
-    i.close()
-    return o.read()
-
+    return Diffstat(self)
 
 # XXX this entire __init__ stuff is way to ugly
 class PatchSeries (list):