From 908936b0cb0c40103ce673dde362192c0bf5cb31 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 7 Jan 2008 19:24:34 +0000
Subject: [PATCH] Initial implementation of Changelog

---
 src/libprs500/trac/Changelog.py | 64 +++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 src/libprs500/trac/Changelog.py

diff --git a/src/libprs500/trac/Changelog.py b/src/libprs500/trac/Changelog.py
new file mode 100644
index 0000000000..af1597f3d5
--- /dev/null
+++ b/src/libprs500/trac/Changelog.py
@@ -0,0 +1,64 @@
+'''
+Trac Macro to generate an end use Changelog from the svn logs.
+'''
+import re
+
+import pysvn
+
+from cStringIO import StringIO
+
+from trac.wiki.formatter import Formatter
+from trac.wiki.macros import WikiMacroBase
+from trac.util import Markup
+
+
+#SVN_PATH = 'https://svn.kovidgoyal.net/code/libprs500/trunk'
+SVN_PATH = 'file:///svn/code/libprs500/trunk'
+
+def svn_log_to_txt():
+    cl = pysvn.Client()
+    
+    log = cl.log(SVN_PATH, 
+        revision_end=pysvn.Revision(pysvn.opt_revision_kind.number, 583 ), 
+        revision_start=pysvn.Revision(pysvn.opt_revision_kind.head))
+    
+    
+    version_change_indices, version_change_version = [], []
+    for i in range(len(log)):
+        entry = log[i]
+        match = re.search(r'version\s+(\d+\.\d+\.\d+)', entry['message']) 
+        if match:
+            version_change_indices.append(i)
+            version_change_version.append(match.group(1))
+            
+    txt = '= Changelog =\n[[PageOutline]]\n'
+    version_pat = re.compile(r'version\s+(\d+\.\d+\.\d+)', re.IGNORECASE)
+    current_version = False
+    for entry in log:
+        msg = entry['message'].strip()
+        msg = re.sub(r'\#(\d+)', r'[ticket:\1 Ticket \1]', msg)
+        if not msg:
+            continue
+        match = version_pat.search(msg)
+        if match:
+            current_version = True
+            txt += '----\n== Version '+match.group(1)+' ==\n'
+        elif current_version:
+            txt += '  * ' + msg + '\n'
+            
+    return txt
+
+
+class ChangeLogMacro(WikiMacroBase):
+
+    def expand_macro(self, formatter, name, args):
+        txt = svn_log_to_txt()
+        out = StringIO()
+        Formatter(formatter.env, formatter.context).format(txt, out)
+        return Markup(out.getvalue())
+
+
+if __name__ == '__main__':
+    print svn_log_to_txt() 
+        
+        
\ No newline at end of file