Add by-hash support

[dak.git] / daklib / srcformats.py

diff --git a/daklib/srcformats.py b/daklib/srcformats.py
index a8237c3d5e17e9cded9a24daa2d42d890146e768..accccae6376fb0e6e57279d8500164d27eb6aee1 100644 (file)
--- a/daklib/srcformats.py
+++ b/daklib/srcformats.py
@@ -1,7 +1,55 @@
+#!/usr/bin/python
+
+""" Helper functions for the various source formats
+
+@contact: Debian FTPMaster <ftpmaster@debian.org>
+@copyright: 2009, 2010  Joerg Jaspert <joerg@debian.org>
+@copyright: 2009  Chris Lamb <lamby@debian.org>
+@license: GNU General Public License version 2 or later
+"""
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+################################################################################
+
+# <sgran> hey, I think something's wrong with your git repo
+# <sgran> when I git pulled this last time, I got something that looked almost
+#         like python instead of dak
+# <mhy> sgran: slander
+# <sgran> sorry, I take it back, I've had a better look now
+
+################################################################################
 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)
@@ -28,7 +76,7 @@ class FormatOne(SourceFormat):
     __metaclass__ = SourceFormat
 
     name = '1.0'
-    format = r'1.0'
+    format = r'1\.0'
 
     requires = ()
     disallowed = ('debian_tar', 'more_orig_tar')
@@ -37,6 +85,8 @@ 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