rpm: add gbp.rpm.changelog module

This new module contains basic containers and functionality for parsing
and updating rpm changelogs. It is coupled with the rpm packaging policy
class which now has definitions for rpm changelog formatting.

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/gbp/rpm/policy.py b/gbp/rpm/policy.py
index 80e0abd..f52b870 100644
--- a/gbp/rpm/policy.py
+++ b/gbp/rpm/policy.py
@@ -70,3 +70,19 @@ class RpmPkgPolicy(PkgPolicy):
             return True
         return False
 
+    class Changelog(object):
+        """Container for changelog related policy settings"""
+
+        # Regexps for splitting/parsing the changelog section (of
+        # Tizen / Fedora style changelogs)
+        section_match_re =  r'^\*'
+        section_split_re = r'^\*\s*(?P<ch_header>\S.*?)$\n(?P<ch_body>.*)'
+        header_split_re = r'(?P<ch_time>\S.*\s[0-9]{4})\s+(?P<ch_name>\S.*$)'
+        header_name_split_re = r'(?P<name>[^<]*)\s+<(?P<email>[^>]+)>((\s*-)?\s+(?P<revision>\S+))?$'
+        body_name_re = r'\[(?P<name>.*)\]'
+
+        # Changelog header format (when writing out changelog)
+        header_format = "* %(time)s %(name)s <%(email)s> %(revision)s"
+        header_time_format = "%a %b %d %Y"
+        header_rev_format = "%(version)s"
+