X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fdbconn.py;h=6827891d555445adfc357f1a1addfcd1c1a1f28b;hb=fcd20a76e3582e608e9b023cf0e2c8794e484bdf;hp=04823061814912e5da33d084acaeb5cc1ecdf45f;hpb=cd33ae05e818e0b6161ef4c1a9eb368cae6db5f4;p=dak.git

diff --git a/daklib/dbconn.py b/daklib/dbconn.py
index 04823061..6827891d 100755
--- a/daklib/dbconn.py
+++ b/daklib/dbconn.py
@@ -508,19 +508,26 @@ class DBBinary(ORMObject):
     def scan_contents(self):
         '''
         Yields the contents of the package. Only regular files are yielded and
-        the path names are normalized after converting them from either utf-8 or
-        iso8859-1 encoding.
+        the path names are normalized after converting them from either utf-8
+        or iso8859-1 encoding. It yields the string ' <EMPTY PACKAGE>' if the
+        package does not contain any regular file.
         '''
         fullpath = self.poolfile.fullpath
         dpkg = Popen(['dpkg-deb', '--fsys-tarfile', fullpath], stdout = PIPE)
         tar = TarFile.open(fileobj = dpkg.stdout, mode = 'r|')
+        anything_yielded = False
         for member in tar.getmembers():
             if member.isfile():
+                name = normpath(member.name)
+                # enforce proper utf-8 encoding
                 try:
-                    name = member.name.decode('utf-8')
+                    name.decode('utf-8')
                 except UnicodeDecodeError:
-                    name = member.name.decode('iso8859-1')
-                yield normpath(name)
+                    name = name.decode('iso8859-1').encode('utf-8')
+                yield name
+                anything_yielded = True
+        if not anything_yielded:
+            yield ' <EMPTY PACKAGE>'
         tar.close()
         dpkg.stdout.close()
         dpkg.wait()
@@ -3288,7 +3295,7 @@ class DBConn(object):
         mapper(BinContents, self.tbl_bin_contents,
             properties = dict(
                 binary = relation(DBBinary,
-                    backref=backref('contents', lazy='dynamic')),
+                    backref=backref('contents', lazy='dynamic', cascade='all')),
                 file = self.tbl_bin_contents.c.file))
 
     ## Connection functions
@@ -3307,7 +3314,16 @@ class DBConn(object):
             if cnf["DB::Port"] and cnf["DB::Port"] != "-1":
                 connstr += "?port=%s" % cnf["DB::Port"]
 
-        self.db_pg   = create_engine(connstr, echo=self.debug)
+        engine_args = { 'echo': self.debug }
+        if cnf.has_key('DB::PoolSize'):
+            engine_args['pool_size'] = int(cnf['DB::PoolSize'])
+        if cnf.has_key('DB::MaxOverflow'):
+            engine_args['max_overflow'] = int(cnf['DB::MaxOverflow'])
+        if sa_major_version == '0.6' and cnf.has_key('DB::Unicode') and \
+            cnf['DB::Unicode'] == 'false':
+            engine_args['use_native_unicode'] = False
+
+        self.db_pg   = create_engine(connstr, **engine_args)
         self.db_meta = MetaData()
         self.db_meta.bind = self.db_pg
         self.db_smaker = sessionmaker(bind=self.db_pg,