implemented simple diffs for history of files.

pylons_app/public/css/pygments_diff.css

@@ -0,0 +1,87 b''
+div.codeblock {
+    overflow: auto;
+    padding: 0px;
+    border: 1px solid #ccc;
+    background: #f8f8f8;
+    font-size: 100%;
+    line-height: 100%;
+    /* new */
+    line-height: 125%;
+}
+
+.code-diff {
+    padding: 0px;
+    margin-top: 5px;
+    margin-bottom: 5px;
+    border-left: 2px solid #ccc;
+}
+.code-diff pre, .linenodiv pre { 
+	padding: 5px;
+    margin: 0;
+}
+.linenos a { text-decoration: none; }
+
+
+.code { display: block;}
+
+.code-diff .hll { background-color: #ffffcc }
+.code-diff  { background: #ffffff; }
+.code-diff .c { color: #888888 } /* Comment */
+.code-diff .err { color: #a61717; background-color: #e3d2d2 } /* Error */
+.code-diff .k { color: #008800; font-weight: bold } /* Keyword */
+.code-diff .cm { color: #888888 } /* Comment.Multiline */
+.code-diff .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
+.code-diff .c1 { color: #888888 } /* Comment.Single */
+.code-diff .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
+.code-diff .gd { color: #000000; background-color: #ffdddd;width: 300px  } /* Generic.Deleted */
+.code-diff .ge { font-style: italic } /* Generic.Emph */
+.code-diff .gr { color: #aa0000 } /* Generic.Error */
+.code-diff .gh { color: #303030 } /* Generic.Heading */
+.code-diff .gi { color: #000000; background-color: #ddffdd;width: 100% } /* Generic.Inserted */
+.code-diff .go { color: #888888 } /* Generic.Output */
+.code-diff .gp { color: #555555 } /* Generic.Prompt */
+.code-diff .gs { font-weight: bold } /* Generic.Strong */
+.code-diff .gu { color: #606060 } /* Generic.Subheading */
+.code-diff .gt { color: #aa0000 } /* Generic.Traceback */
+.code-diff .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
+.code-diff .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
+.code-diff .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
+.code-diff .kp { color: #008800 } /* Keyword.Pseudo */
+.code-diff .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
+.code-diff .kt { color: #888888; font-weight: bold } /* Keyword.Type */
+.code-diff .m { color: #0000DD; font-weight: bold } /* Literal.Number */
+.code-diff .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
+.code-diff .na { color: #336699 } /* Name.Attribute */
+.code-diff .nb { color: #003388 } /* Name.Builtin */
+.code-diff .nc { color: #bb0066; font-weight: bold } /* Name.Class */
+.code-diff .no { color: #003366; font-weight: bold } /* Name.Constant */
+.code-diff .nd { color: #555555 } /* Name.Decorator */
+.code-diff .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
+.code-diff .nf { color: #0066bb; font-weight: bold } /* Name.Function */
+.code-diff .nl { color: #336699; font-style: italic } /* Name.Label */
+.code-diff .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
+.code-diff .py { color: #336699; font-weight: bold } /* Name.Property */
+.code-diff .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
+.code-diff .nv { color: #336699 } /* Name.Variable */
+.code-diff .ow { color: #008800 } /* Operator.Word */
+.code-diff .w { color: #bbbbbb } /* Text.Whitespace */
+.code-diff .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
+.code-diff .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
+.code-diff .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
+.code-diff .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
+.code-diff .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
+.code-diff .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
+.code-diff .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
+.code-diff .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
+.code-diff .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
+.code-diff .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
+.code-diff .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
+.code-diff .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
+.code-diff .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
+.code-diff .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
+.code-diff .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
+.code-diff .bp { color: #003388 } /* Name.Builtin.Pseudo */
+.code-diff .vc { color: #336699 } /* Name.Variable.Class */
+.code-diff .vg { color: #dd7700 } /* Name.Variable.Global */
+.code-diff .vi { color: #3333bb } /* Name.Variable.Instance */
+.code-diff .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */

pylons_app/templates/files/file_diff.html

@@ -0,0 +1,35 b''
+<%inherit file="/base/base.html"/>
+
+<%def name="title()">
+    ${_('Repository managment')}
+</%def>
+<%def name="breadcrumbs()">
+    ${h.link_to(u'Home',h.url('/'))}
+    / 
+    ${h.link_to(c.repo_name,h.url('files_home',repo_name=c.repo_name))}
+    /
+    ${_('files')}
+</%def>
+<%def name="page_nav()">
+        <form action="log">
+            <dl class="search">
+                <dt><label>Search: </label></dt>
+                <dd><input type="text" name="rev" /></dd>
+            </dl>
+        </form>
+
+		${self.menu('files')}     
+</%def>
+<%def name="css()">
+<link rel="stylesheet" href="/css/monoblue_custom.css" type="text/css" />
+<link rel="stylesheet" href="/css/pygments_diff.css" type="text/css" />
+</%def>
+<div></div>
+<%def name="main()">
+    <h2 class="no-link no-border">${'%s: %s@%s %s %s' % (_('File diff'),c.f_path,c.diff2,'&rarr;',c.diff1)|n}</h2>
+	<div id="files_data">
+		<div id="body" class="codeblock">
+			${h.pygmentize(c.diff,linenos=True,anchorlinenos=True,cssclass="code-diff")}
+		</div>
+	</div>
+</%def>    
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pylons_app/config/routing.py

@@ -1,44 +1,44 b''
 """Routes configuration
 
 The more specific and detailed routes should be defined first so they
 may take precedent over the more generic routes. For more information
 refer to the routes manual at http://routes.groovie.org/docs/
 """
 from routes import Mapper
 
 def make_map(config):
     """Create, configure and return the routes Mapper"""
     map = Mapper(directory=config['pylons.paths']['controllers'],
                  always_scan=config['debug'])
     map.minimization = False
     map.explicit = False
 
     # The ErrorController route (handles 404/500 error pages); it should
     # likely stay at the top, ensuring it can always be resolved
     map.connect('/error/{action}', controller='error')
     map.connect('/error/{action}/{id}', controller='error')
 
     # CUSTOM ROUTES HERE
     map.connect('hg_home', '/', controller='hg', action='index')
     
     
     #REST controllers
     map.resource('repo', 'repos', path_prefix='/_admin')
     map.resource('user', 'users', path_prefix='/_admin')
     
     #ADMIN
     with map.submapper(path_prefix='/_admin', controller='admin') as m:
         m.connect('admin_home', '/', action='index')#main page
         m.connect('admin_add_repo', '/add_repo/{new_repo:[a-z0-9\. _-]*}', action='add_repo')
     
     
     map.connect('changeset_home', '/{repo_name}/changeset/{revision}', controller='changeset', revision='tip')
     map.connect('summary_home', '/{repo_name}/summary', controller='summary')
     map.connect('changelog_home', '/{repo_name}/changelog/{revision}', controller='changelog', revision='tip')
     map.connect('branches_home', '/{repo_name}/branches', controller='branches')
     map.connect('tags_home', '/{repo_name}/tags', controller='tags')
     map.connect('graph_home', '/{repo_name}/graph/{revision}', controller='graph', revision='tip')    
     map.connect('files_home', '/{repo_name}/files/{revision}/{f_path:.*}', controller='files', revision='tip', f_path='')
-    
+    map.connect('files_diff_home', '/{repo_name}/diff/{f_path:.*}', controller='files', action='diff', revision='tip', f_path='')
 
     return map

pylons_app/controllers/files.py

@@ -1,39 +1,55 b''
 import logging
 
 from pylons import request, response, session, tmpl_context as c, url, config, app_globals as g
 from pylons.controllers.util import abort, redirect
 
 from pylons_app.lib.base import BaseController, render
 from pylons_app.lib.utils import get_repo_slug
 from pylons_app.model.hg_model import HgModel
 log = logging.getLogger(__name__)
 
 class FilesController(BaseController):
     def __before__(self):
         c.repos_prefix = config['repos_name']
         c.repo_name = get_repo_slug(request)
 
     def index(self, repo_name, revision, f_path):
         hg_model = HgModel()
         c.repo = repo = hg_model.get_repo(c.repo_name)
         c.cur_rev = revision
         c.f_path = f_path
         c.changeset = repo.get_changeset(repo._get_revision(revision))
         
         c.files_list = c.changeset.get_node(f_path)
         
         c.file_history = self._get_history(repo, c.files_list, f_path)
         return render('files/files.html')
 
-
+    def diff(self, repo_name, f_path):
+        hg_model = HgModel()
+        diff1 = request.GET.get('diff1')
+        diff2 = request.GET.get('diff2')
+        c.f_path = f_path
+        c.repo = hg_model.get_repo(c.repo_name)
+        c.changeset_1 = c.repo.get_changeset(diff1)
+        c.changeset_2 = c.repo.get_changeset(diff2)
+        
+        c.file_1 = c.changeset_1.get_node(f_path).content
+        c.file_2 = c.changeset_2.get_node(f_path).content
+        c.diff1 = 'r%s:%s' % (c.changeset_1.revision, c.changeset_1._short)
+        c.diff2 = 'r%s:%s' % (c.changeset_2.revision, c.changeset_2._short)
+        from difflib import unified_diff
+        d = unified_diff(c.file_1.splitlines(1), c.file_2.splitlines(1))
+        c.diff = ''.join(d)
+        return render('files/file_diff.html')
+    
     def _get_history(self, repo, node, f_path):
         from vcs.nodes import NodeKind
         if not node.kind is NodeKind.FILE:
             return []
-        changesets = list(node.history)
-        changesets.reverse()
+        changesets = node.history
         hist_l = []
         for chs in changesets:
             n_desc = 'r%s:%s' % (chs.revision, chs._short)
             hist_l.append((chs._short, n_desc,))
         return hist_l

pylons_app/templates/files/files_source.html

@@ -1,20 +1,20 b''
 <dl class="overview">
 	<dt>${_('Revision')}</dt>
 	<dd>r${c.files_list.changeset.revision}:${c.files_list.changeset._short}</dd>
 	<dt>${_('Size')}</dt>
 	<dd>${h.filesizeformat(c.files_list.size)}</dd>
 	<dt>${_('Options')}</dt>
 	<dd>history  / annotate  / raw  </dd>
 	<dt>${_('History')}</dt>
 	<dd>
-		${h.form(h.url.current())}
+		${h.form(h.url('files_diff_home',repo_name=c.repo_name,f_path=c.f_path),method='GET')}
 		${h.hidden('diff2',c.files_list.changeset._short)}
 		${h.select('diff1','',c.file_history)}
 		${h.submit('diff','diff')}
 		${h.end_form()}
 	</dd>
 					
 </dl>		
 <div id="body" class="codeblock">
 	${h.pygmentize(c.files_list.content,linenos=True,anchorlinenos=True,cssclass="code-highlight")}
 </div>
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