1 files changed, 62 insertions, 2 deletions
diff --git a/patchtracker/Patch.py b/patchtracker/Patch.py
index 09f4911..c872d1c 100644
--- a/patchtracker/Patch.py
+++ b/patchtracker/Patch.py
@@ -1,6 +1,8 @@
-import sys
-import os
 import errno
+import os
+import stat
+import sys
+import tempfile
 from glob import glob
 import pygments
 import pygments.lexers
@@ -175,6 +177,64 @@ class Quilt30PatchSeries (GenericPatchSeries):
     for name in self.names:
       self.patches[name] = Patch(self.tarfh.extractfile("debian/patches/"+name))
 
+class DebTarHandler:
+  diff = None
+  def __init__(self,fname):
+    self.tarfile = fname
+    self.size = os.stat(fname)[stat.ST_SIZE]
+
+  def series(self):
+    return Quilt30PatchSeries(self.tarfile)
+
+class DiffGzException(Exception):
+  pass
+
+class DiffGzHandler:
+  diff = None
+  def __init__(self,fname):
+    self.diff = fname
+    self.size = os.stat(fname)[stat.ST_SIZE]
+
+  def filterdiff(self, include=None, exclude=None):
+    cmd = ["filterdiff","-z","-p","1"]
+    if include:
+      cmd += [ "-i", include]
+    elif exclude:
+      cmd += [ "-x", exclude]
+    else:
+      raise Exception("DiffGzHandler.filterdiff called w/o include/exclude")
+    i,o,e=os.popen3(cmd+[self.diff])
+    i.close()
+    p = Patch(o)
+    err = e.read()
+    if len(err):
+      raise DiffGzException("filterdiff gave errors: "+err)
+    return p
+
+  def debiandir(self):
+    return self.filterdiff(include='debian/*')
+
+  def nondebiandir(self):
+    return self.filterdiff(exclude='debian/*')
+
+  def series(self):
+    patches = None
+    embedded = self.filterdiff(include='debian/patches*')
+
+    # XXX *cough* cache *cough*
+    if embedded.lines():
+      td = tempfile.mkdtemp()
+      i,o,e=os.popen3("patch -d %s -p3"%(td))
+      i.write(str(embedded))
+      i.close()
+      err = e.read()
+      if len(err):
+        raise Exception("unable to extract series patches:\n"+err)
+      patches = PatchSeries(td)
+      os.system("rm -rf %s"%(td))
+
+    return patches
+  
 if __name__ == "__main__":
   print "Patch.py testing"
   try: