c.cs_ranges = list(rev_ranges)

            if not c.cs_ranges:

                raise RepositoryError('Changeset range returned empty result')

        except (RepositoryError, ChangesetDoesNotExistError, Exception), e:

            log.error(traceback.format_exc())

            h.flash(str(e), category='warning')

            return redirect(url('home'))

        c.changes = OrderedDict()

        c.lines_added = 0  # count of lines added

        c.lines_deleted = 0  # count of lines removes

        cumulative_diff = 0

        c.cut_off = False  # defines if cut off limit is reached

        c.comments = []

        c.inline_comments = []

        c.inline_cnt = 0

        # Iterate over ranges (default changeset view is always one changeset)

        for changeset in c.cs_ranges:

            c.comments.extend(ChangesetCommentsModel()\

                              .get_comments(c.rhodecode_db_repo.repo_id,

                                            changeset.raw_id))

            inlines = ChangesetCommentsModel()\

                        .get_inline_comments(c.rhodecode_db_repo.repo_id,

                                             changeset.raw_id)

            c.inline_comments.extend(inlines)

            c.changes[changeset.raw_id] = []

            try:

                changeset_parent = changeset.parents[0]

            except IndexError:

                changeset_parent = None

            #==================================================================

            # ADDED FILES

            #==================================================================

            for node in changeset.added:

                fid = h.FID(revision, node.path)

                line_context_lcl = get_line_ctx(fid, request.GET)

                ign_whitespace_lcl = get_ignore_ws(fid, request.GET)

                lim = self.cut_off_limit

                if cumulative_diff > self.cut_off_limit:

                    lim = -1 if limit_off is None else None

                size, cs1, cs2, diff, st = wrapped_diff(

                    filenode_old=None,

                    filenode_new=node,

                    cut_off_limit=lim,

                    ignore_whitespace=ign_whitespace_lcl,

                    line_context=line_context_lcl,

                    enable_comments=enable_comments

                )

                cumulative_diff += size

                c.lines_added += st[0]

                c.lines_deleted += st[1]

                c.changes[changeset.raw_id].append(

                    ('added', node, diff, cs1, cs2, st)

                )

            #==================================================================

            # CHANGED FILES

            #==================================================================

            for node in changeset.changed:

                try:

                    filenode_old = changeset_parent.get_node(node.path)

                except ChangesetError:

                    log.warning('Unable to fetch parent node for diff')

                    filenode_old = FileNode(node.path, '', EmptyChangeset())

                fid = h.FID(revision, node.path)

                line_context_lcl = get_line_ctx(fid, request.GET)

                ign_whitespace_lcl = get_ignore_ws(fid, request.GET)

                lim = self.cut_off_limit

                if cumulative_diff > self.cut_off_limit:

                    lim = -1 if limit_off is None else None

                size, cs1, cs2, diff, st = wrapped_diff(

                    filenode_old=filenode_old,

                    filenode_new=node,

                    cut_off_limit=lim,

                    ignore_whitespace=ign_whitespace_lcl,

                    line_context=line_context_lcl,

                    enable_comments=enable_comments

                )

                cumulative_diff += size

                c.lines_added += st[0]

                c.lines_deleted += st[1]

                c.changes[changeset.raw_id].append(

                    ('changed', node, diff, cs1, cs2, st)

                )

            #==================================================================

            # REMOVED FILES

            #==================================================================

            for node in changeset.removed:

                c.changes[changeset.raw_id].append(

                    ('removed', node, None, None, None, (0, 0))

                )

        # count inline comments

        for path, lines in c.inline_comments:

            for comments in lines.values():

                c.inline_cnt += len(comments)

        if len(c.cs_ranges) == 1:

            c.changeset = c.cs_ranges[0]

            c.changes = c.changes[c.changeset.raw_id]

            return render('changeset/changeset.html')

        else:

            return render('changeset/changeset_range.html')

    def raw_changeset(self, revision):

        method = request.GET.get('diff', 'show')

        ignore_whitespace = request.GET.get('ignorews') == '1'

        line_context = request.GET.get('context', 3)

        try:

            c.scm_type = c.rhodecode_repo.alias

            c.changeset = c.rhodecode_repo.get_changeset(revision)

        except RepositoryError:

            log.error(traceback.format_exc())

            return redirect(url('home'))

        else:

            try:

                c.changeset_parent = c.changeset.parents[0]

            except IndexError:

                c.changeset_parent = None

            c.changes = []

            for node in c.changeset.added:

                filenode_old = FileNode(node.path, '')

                if filenode_old.is_binary or node.is_binary:

                    diff = _('binary file') + '\n'

                else:

                    f_gitdiff = diffs.get_gitdiff(filenode_old, node,

                                           ignore_whitespace=ignore_whitespace,

                                           context=line_context)

                    diff = diffs.DiffProcessor(f_gitdiff,

                                                format='gitdiff').raw_diff()

                cs1 = None

                cs2 = node.changeset.raw_id

                c.changes.append(('added', node, diff, cs1, cs2))

            for node in c.changeset.changed:

                filenode_old = c.changeset_parent.get_node(node.path)

                if filenode_old.is_binary or node.is_binary:

                    diff = _('binary file')

                else:

                    f_gitdiff = diffs.get_gitdiff(filenode_old, node,

                                           ignore_whitespace=ignore_whitespace,

                                           context=line_context)

                    diff = diffs.DiffProcessor(f_gitdiff,

                                                format='gitdiff').raw_diff()

                cs1 = filenode_old.changeset.raw_id

                cs2 = node.changeset.raw_id

                c.changes.append(('changed', node, diff, cs1, cs2))

        response.content_type = 'text/plain'

        if method == 'download':

            response.content_disposition = 'attachment; filename=%s.patch' \

                                            % revision

        c.parent_tmpl = ''.join(['# Parent  %s\n' % x.raw_id

                                 for x in c.changeset.parents])

        c.diffs = ''

        for x in c.changes:

            c.diffs += x[2]

        return render('changeset/raw_changeset.html')

    @jsonify

    def comment(self, repo_name, revision):

        comm = ChangesetCommentsModel().create(

            text=request.POST.get('text'),

            repo_id=c.rhodecode_db_repo.repo_id,

            user_id=c.rhodecode_user.user_id,

            revision=revision,

            f_path=request.POST.get('f_path'),

            line_no=request.POST.get('line')

        )

        Session.commit()

        data = {

           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),

        }

        if comm:

            c.co = comm

            data.update(comm.get_dict())

        return data

    @jsonify

    def delete_comment(self, repo_name, comment_id):

        co = ChangesetComment.get(comment_id)

        owner = lambda: co.author.user_id == c.rhodecode_user.user_id

        if h.HasPermissionAny('hg.admin', 'repository.admin')() or owner:

            ChangesetCommentsModel().delete(comment=co)

            Session.commit()

            return True

        else:

            raise HTTPForbidden()

## -*- coding: utf-8 -*-

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

    <head>

        <title>${self.title()}</title>

        <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />

        <meta name="robots" content="index, nofollow"/>

        <link rel="icon" href="${h.url('/images/icons/database_gear.png')}" type="image/png" />

        ## CSS ###

        <%def name="css()">

            <link rel="stylesheet" type="text/css" href="${h.url('/css/style.css')}" media="screen"/>

            <link rel="stylesheet" type="text/css" href="${h.url('/css/pygments.css')}"/>

            ## EXTRA FOR CSS

            ${self.css_extra()}

        </%def>

        <%def name="css_extra()">

        </%def>

        ${self.css()}

        %if c.ga_code:

        <!-- Analytics -->

	     <script type="text/javascript">

	      var _gaq = _gaq || [];

	      _gaq.push(['_setAccount', '${c.ga_code}']);

	      _gaq.push(['_trackPageview']);

	      (function() {

	        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;

	        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';

	        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);

	      })();

	     </script>

	    %endif

        ## JAVASCRIPT ##

        <%def name="js()">

            <script type="text/javascript" src="${h.url('/js/yui.2.9.js')}"></script>

            <!--[if lt IE 9]>

               <script language="javascript" type="text/javascript" src="${h.url('/js/excanvas.min.js')}"></script>

            <![endif]-->

            <script type="text/javascript" src="${h.url('/js/yui.flot.js')}"></script>

            <script type="text/javascript" src="${h.url('/js/rhodecode.js')}"></script>

           ## EXTRA FOR JS

           ${self.js_extra()}

            <script type="text/javascript">

            var follow_base_url  = "${h.url('toggle_following')}";

            //JS translations map

            var TRANSLATION_MAP = {

            	'add another comment':'${_("add another comment")}',

                'Stop following this repository':"${_('Stop following this repository')}",

                'Start following this repository':"${_('Start following this repository')}",

            };

            var onSuccessFollow = function(target){

                var f = YUD.get(target.id);

                var f_cnt = YUD.get('current_followers_count');

                if(f.getAttribute('class')=='follow'){

                    f.setAttribute('class','following');

                    f.setAttribute('title',TRANSLATION_MAP['Stop following this repository']);

                    if(f_cnt){

                        var cnt = Number(f_cnt.innerHTML)+1;

                        f_cnt.innerHTML = cnt;

                    }

                }

                else{

                    f.setAttribute('class','follow');

                    f.setAttribute('title',TRANSLATION_MAP['Start following this repository']);

                    if(f_cnt){

                        var cnt = Number(f_cnt.innerHTML)+1;

                        f_cnt.innerHTML = cnt;

                    }

                }

            }

            var toggleFollowingUser = function(target,fallows_user_id,token,user_id){

                args = 'follows_user_id='+fallows_user_id;

                args+= '&auth_token='+token;

                if(user_id != undefined){

                    args+="&user_id="+user_id;

                }

                YUC.asyncRequest('POST',follow_base_url,{

                    success:function(o){

                    	onSuccessFollow(target);

                    }

                },args);

                return false;

            }

            var toggleFollowingRepo = function(target,fallows_repo_id,token,user_id){

                args = 'follows_repo_id='+fallows_repo_id;

                args+= '&auth_token='+token;

                if(user_id != undefined){

                    args+="&user_id="+user_id;

                }

                YUC.asyncRequest('POST',follow_base_url,{

                    success:function(o){

                    	onSuccessFollow(target);

                    }

                },args);

                return false;

            }

           YUE.onDOMReady(function(){

             tooltip_activate();

             show_more_event();

             YUE.on('quick_login_link','click',function(e){

                 // make sure we don't redirect

                 YUE.preventDefault(e);

                 if(YUD.hasClass('quick_login_link','enabled')){

                     YUD.setStyle('quick_login','display','none');

                     YUD.removeClass('quick_login_link','enabled');

                 }

                 else{

                     YUD.setStyle('quick_login','display','');

                     YUD.addClass('quick_login_link','enabled');

                     var usr = YUD.get('username');

                     if(usr){

                    	 usr.focus();

                     }

                 }

             });

           })

            </script>

        </%def>

        <%def name="js_extra()"></%def>

        ${self.js()}

    </head>

    <body id="body">

     ## IE hacks

      <!--[if IE 7]>

      <script>YUD.addClass(document.body,'ie7')</script>

      <![endif]-->

      <!--[if IE 8]>

      <script>YUD.addClass(document.body,'ie8')</script>

      <![endif]-->

      <!--[if IE 9]>

      <script>YUD.addClass(document.body,'ie9')</script>

      <![endif]-->

      ${next.body()}

    </body>

</html>

<%namespace name="comment" file="/changeset/changeset_file_comment.html"/>

## -*- coding: utf-8 -*-

## usage:

## <%namespace name="comment" file="/changeset/changeset_file_comment.html"/>

## ${comment.comment_block(co)}

##

<%def name="comment_block(co)">

  <div class="comment" id="comment-${co.comment_id}" line="${co.line_no}">

    <div class="comment-wrapp">

  	<div class="meta">

  		<span class="user">

  			<img src="${h.gravatar_url(co.author.email, 20)}" />

  			${co.author.username}

  		</span>

  		<span class="date">

  			${h.age(co.modified_at)}

  		</span>

      %if h.HasPermissionAny('hg.admin', 'repository.admin')() or co.author.user_id == c.rhodecode_user.user_id:

        <span class="buttons">

          <span onClick="deleteComment(${co.comment_id})" class="delete-comment ui-btn">${_('Delete')}</span>

        </span>

      %endif

  	</div>

  	<div class="text">

  		${h.rst_w_mentions(co.text)|n}

  	</div>

    </div>

  </div>

</%def>

<%def name="comment_inline_form(changeset)">

<div id='comment-inline-form-template' style="display:none">

  <div class="comment-inline-form">

  %if c.rhodecode_user.username != 'default':

    <div class="overlay"><div class="overlay-text">${_('Submitting...')}</div></div>

      ${h.form(h.url('changeset_comment', repo_name=c.repo_name, revision=changeset.raw_id),class_='inline-form')}

      <div class="clearfix">

          <div class="comment-help">${_('Commenting on line')} {1}. ${_('Comments parsed using')}

          <a href="${h.url('rst_help')}">RST</a> ${_('syntax')} ${_('with')}

          <span style="color:#003367" class="tooltip" title="${_('Use @username inside this text to send notification to this RhodeCode user')}">@mention</span> ${_('support')}

          </div>

          <textarea id="text_{1}" name="text"></textarea>

      </div>

      <div class="comment-button">

      <input type="hidden" name="f_path" value="{0}">

      <input type="hidden" name="line" value="{1}">

      ${h.submit('save', _('Comment'), class_='ui-btn save-inline-form')}

      ${h.reset('hide-inline-form', _('Hide'), class_='ui-btn hide-inline-form')}

      </div>

      ${h.end_form()}

  %else:

      ${h.form('')}

      <div class="clearfix">

          <div class="comment-help">

            ${'You need to be logged in to comment.'} <a href="${h.url('login_home',came_from=h.url.current())}">${_('Login now')}</a>

          </div>

      </div>

      <div class="comment-button">

      ${h.reset('hide-inline-form', _('Hide'), class_='ui-btn hide-inline-form')}

      </div>

      ${h.end_form()}

  %endif

  </div>

</div>

</%def>

<%def name="inlines(changeset)">

    <div class="comments-number">${len(c.comments)} comment(s) (${c.inline_cnt} ${_('inline')})</div>

    %for path, lines in c.inline_comments:

        % for line,comments in lines.iteritems():

            <div style="display:none" class="inline-comment-placeholder" path="${path}" target_id="${h.safeid(h.safe_unicode(path))}">

            %for co in comments:

                ${comment_block(co)}

            %endfor

            </div>

        %endfor

    %endfor

</%def>

<%def name="comments(changeset)">

<div class="comments">

    <div id="inline-comments-container">

     ${inlines(changeset)}

    </div>

    %for co in c.comments:

        ${comment_block(co)}

    %endfor

    %if c.rhodecode_user.username != 'default':

    <div class="comment-form">

        ${h.form(h.url('changeset_comment', repo_name=c.repo_name, revision=changeset.raw_id))}

        <strong>${_('Leave a comment')}</strong>

        <div class="clearfix">

            <div class="comment-help">

                ${_('Comments parsed using')} <a href="${h.url('rst_help')}">RST</a> ${_('syntax')}

                ${_('with')} <span style="color:#003367" class="tooltip" title="${_('Use @username inside this text to send notification to this RhodeCode user')}">@mention</span> ${_('support')}

            </div>

                ${h.textarea('text')}

        </div>

        <div class="comment-button">

        ${h.submit('save', _('Comment'), class_='ui-button')}

        </div>

        ${h.end_form()}

    </div>

    %endif

</div>

</%def>

%if c.file:

    <h3 class="files_location">

        ${_('Location')}: ${h.files_breadcrumbs(c.repo_name,c.changeset.raw_id,c.file.path)}

    </h3>

        %if c.file.is_dir():

            <%include file='files_browser.html'/>

        %else:

            <%include file='files_source.html'/>

        %endif

%else:

    <h2>

        <a href="#" onClick="javascript:parent.history.back();" target="main">${_('Go back')}</a>

        ${_('No files at given path')}: "${c.f_path or "/"}"

    </h2>

%endif