X-Git-Url: https://projects.mako.cc/source/mw/blobdiff_plain/9b8e57d467b0a3c0ae3b38fd781f668d409ddac6..e5ac78fd19391a33ca958071fe2011edc5ff9074:/src/mw/metadir.py

diff --git a/src/mw/metadir.py b/src/mw/metadir.py
index 7126872..b637b67 100644
--- a/src/mw/metadir.py
+++ b/src/mw/metadir.py
@@ -16,11 +16,13 @@
 # with this program.  If not, see <http://www.gnu.org/licenses/>.
 ###
 
+import bzrlib.diff
 import codecs
 import ConfigParser
 import json
 import mw.api
 import os
+from StringIO import StringIO
 import sys
 
 
@@ -47,6 +49,10 @@ class Metadir(object):
         else:
             self.config = None
 
+    def save_config(self):
+        with open(self.config_loc, 'wb') as config_file:
+            self.config.write(config_file)
+
     def create(self, api_url):
         # create the directory
         if os.path.isdir(self.location):
@@ -62,8 +68,7 @@ class Metadir(object):
         self.config = ConfigParser.RawConfigParser()
         self.config.add_section('remote')
         self.config.set('remote', 'api_url', api_url)
-        with open(self.config_loc, 'wb') as config_file:
-            self.config.write(config_file)
+        self.save_config()
         # create cache/
         os.mkdir(os.path.join(self.location, 'cache'))
         # create cache/pagedict
@@ -145,6 +150,39 @@ class Metadir(object):
                     rvid = self.pages_get_rv_list(pageid)[-1]
                     rv = self.pages_get_rv(pageid, rvid)
                     cur_content = codecs.open(full, 'r', 'utf-8').read()
+                    if cur_content[-1] == '\n':
+                        cur_content = cur_content[:-1]
                     if cur_content != rv['content']:
                         status[os.path.relpath(full, self.root)] = 'U'
         return status
+
+    def diff_rv_to_working(self, pagename, oldrvid=0, newrvid=0):
+        # oldrvid=0 means latest fetched revision
+        # newrvid=0 means working copy
+        filename = mw.api.pagename_to_filename(pagename) + '.wiki'
+        pageid = self.get_pageid_from_pagename(pagename)
+        if not pageid:
+            raise ValueError('page named %s has not been fetched' % pagename)
+        else:
+            if oldrvid == 0:
+                oldrvid = self.pages_get_rv_list(pageid)[-1]
+            oldrv = self.pages_get_rv(pageid, oldrvid)
+            oldname = 'a/%s (revision %i)' % (filename, oldrvid)
+            old = [i+'\n' for i in oldrv['content'].split('\n')]
+            if newrvid == 0:
+                cur_content = codecs.open(filename, 'r', 'utf-8').read()
+                if cur_content[-1] == '\n':
+                    cur_content = cur_content[:-1]
+                newname = 'b/%s (working copy)' % filename
+                new = [i+'\n' for i in cur_content.split('\n')]
+            else:
+                newrv = self.pages_get_rv(pageid, newrvid)
+                newname = 'b/%s (revision %i)' % (filename, newrvid)
+                new = [i+'\n' for i in newrv['content'].split('\n')]
+            diff_fd = StringIO()
+            bzrlib.diff.internal_diff(oldname, old, newname, new, diff_fd)
+            diff_fd.seek(0)
+            diff = diff_fd.read()
+            if diff[-1] == '\n':
+                diff = diff[:-1]
+            return diff