X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fsrcformats.py;h=7d7dd940e3837c1c5c99a7f8708ae3663ae53d44;hb=42ca3d8171b5e775d7424e1a3d037db935ee387a;hp=a8237c3d5e17e9cded9a24daa2d42d890146e768;hpb=7a22fcc70b41ee02adeb5bf18c9d1d0d91917615;p=dak.git

diff --git a/daklib/srcformats.py b/daklib/srcformats.py
index a8237c3d..7d7dd940 100644
--- a/daklib/srcformats.py
+++ b/daklib/srcformats.py
@@ -1,7 +1,22 @@
 import re
 
+from dak_exceptions import UnknownFormatError
+
 srcformats = []
 
+def get_format_from_string(txt):
+    """
+    Returns the SourceFormat class that corresponds to the specified .changes
+    Format value. If the string does not match any class, UnknownFormatError
+    is raised.
+    """
+
+    for format in srcformats:
+        if format.re_format.match(txt):
+            return format
+
+    raise UnknownFormatError, "Unknown format %r" % txt
+
 class SourceFormat(type):
     def __new__(cls, name, bases, attrs):
         klass = super(SourceFormat, cls).__new__(cls, name, bases, attrs)
@@ -37,6 +52,8 @@ class FormatOne(SourceFormat):
     def reject_msgs(cls, has):
         if not (has['native_tar_gz'] or (has['orig_tar_gz'] and has['debian_diff'])):
             yield "no .tar.gz or .orig.tar.gz+.diff.gz in 'Files' field."
+        if has['native_tar_gz'] and has['debian_diff']:
+            yield "native package with diff makes no sense"
         if (has['orig_tar_gz'] != has['orig_tar']) or \
            (has['native_tar_gz'] != has['native_tar']):
             yield "contains source files not allowed in format %s" % cls.name