Add method scan_contents() to class DBBinary.

[dak.git] / daklib / dbconn.py

diff --git a/daklib/dbconn.py b/daklib/dbconn.py
index 3b60ae65808d9aba8587647d0d85b32702ce2576..bdb223e23cb148429b505da228ecb14a61a52496 100755 (executable)
--- a/daklib/dbconn.py
+++ b/daklib/dbconn.py
@@ -34,6 +34,7 @@
 ################################################################################
 
 import os
+from os.path import normpath
 import re
 import psycopg2
 import traceback
@@ -49,6 +50,8 @@ except:
 from datetime import datetime, timedelta
 from errno import ENOENT
 from tempfile import mkstemp, mkdtemp
+from subprocess import Popen, PIPE
+from tarfile import TarFile
 
 from inspect import getargspec
 
@@ -502,6 +505,21 @@ class DBBinary(ORMObject):
     def get_component_name(self):
         return self.poolfile.location.component.component_name
 
+    def scan_contents(self):
+        '''
+        Yields the contents of the package. Only regular files are yielded and
+        the path names are normalized.
+        '''
+        fullpath = self.poolfile.fullpath
+        debdata = Popen(['dpkg-deb', '--fsys-tarfile', fullpath],
+            stdout = PIPE).stdout
+        tar = TarFile.open(fileobj = debdata, mode = 'r|')
+        for member in tar.getmembers():
+            if member.isfile():
+                yield normpath(member.name)
+        tar.close()
+        debdata.close()
+
 __all__.append('DBBinary')
 
 @session_wrapper