[review-request][PATCH] bitbake: toastergui: show relative paths in configvars view

[Ed Bartosh <ed.bartosh@linux.intel.com>]

Strip topdir from paths to config files in configvars view.
Got rid of specific filter cut_layer_path_prefix.

[YOCTO #7463]

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
---
 .../lib/toaster/toastergui/templates/configvars.html    |  4 ++--
 .../lib/toaster/toastergui/templatetags/projecttags.py  | 17 ++++-------------
 bitbake/lib/toaster/toastergui/views.py                 |  8 ++------
 3 files changed, 8 insertions(+), 21 deletions(-)

diff --git a/bitbake/lib/toaster/toastergui/templates/configvars.html b/bitbake/lib/toaster/toastergui/templates/configvars.html
index 3e4c7e8..42d8fa7 100644
--- a/bitbake/lib/toaster/toastergui/templates/configvars.html
+++ b/bitbake/lib/toaster/toastergui/templates/configvars.html
@@ -55,7 +55,7 @@
         <td class="variable_value"><a data-toggle="modal" href="#variable-{{variable.pk}}">{{variable.variable_value|truncatechars:153}}</a></td>
         <td class="file"><a data-toggle="modal" href="#variable-{{variable.pk}}">
             {% if variable.vhistory.all %} {% autoescape off %}
-                {{variable.vhistory.all | filter_setin_files:file_filter | cut_layer_path_prefix:layer_names}}
+                {{variable.vhistory.all | filter_setin_files:file_filter | cut_path_prefix:topdir}}
             {% endautoescape %} {% endif %}
         </a></td>
         <td class="description">
@@ -115,7 +115,7 @@
                 <tbody>
                     {% for vh in variable.vhistory.all %}
                     <tr>
-                        <td>{{forloop.counter}}</td><td>{{vh.file_name|cut_layer_path_prefix:layer_names}}</td><td>{{vh.operation}}</td><td>{{vh.line_number}}</td>
+                        <td>{{forloop.counter}}</td><td>{{vh.file_name|cut_path_prefix:topdir}}</td><td>{{vh.operation}}</td><td>{{vh.line_number}}</td>
                     </tr>
                     {%endfor%}
                 </tbody>
diff --git a/bitbake/lib/toaster/toastergui/templatetags/projecttags.py b/bitbake/lib/toaster/toastergui/templatetags/projecttags.py
index 54700e3..4c3bffd 100644
--- a/bitbake/lib/toaster/toastergui/templatetags/projecttags.py
+++ b/bitbake/lib/toaster/toastergui/templatetags/projecttags.py
@@ -20,6 +20,7 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 from datetime import datetime, timedelta
+from os.path import relpath
 import re
 from django import template
 from django.utils import timezone
@@ -313,16 +314,6 @@ def is_shaid(text):
         return False
 
 @register.filter
-def cut_layer_path_prefix(fullpath,layer_names):
-    ### if some part of the full local path to a layer matches
-    ### an entry in layer_names (sorted desc), return the layer
-    ### name relative path.
-    for lname in layer_names:
-        # import rpdb; rpdb.set_trace()
-        # only try layer names that are non-trivial to avoid false matches
-        if len(lname) >= 4:
-            # match layer name with as a subdir / or for remote layers /_
-            if re.search('/' + lname, fullpath) or re.search('/_' + lname, fullpath):
-                parts = re.split(lname, fullpath, 1)
-                return lname + parts[1]
-    return fullpath
+def cut_path_prefix(fullpath, topdir):
+    """Cut topdir from the fullpath."""
+    return relpath(fullpath, topdir) if fullpath.startswith(topdir) else fullpath
diff --git a/bitbake/lib/toaster/toastergui/views.py b/bitbake/lib/toaster/toastergui/views.py
index b5c4d87..e7110c8 100755
--- a/bitbake/lib/toaster/toastergui/views.py
+++ b/bitbake/lib/toaster/toastergui/views.py
@@ -39,6 +39,7 @@ from datetime import timedelta, datetime, date
 from django.utils import formats
 from toastergui.templatetags.projecttags import json as jsonfilter
 import json
+from os.path import dirname
 
 # all new sessions should come through the landing page;
 # determine in which mode we are running in, and redirect appropriately
@@ -1326,11 +1327,6 @@ def configvars(request, build_id):
 
     variables = _build_page_range(Paginator(queryset, pagesize), request.GET.get('page', 1))
 
-    layers = Layer.objects.filter(layer_version_layer__projectlayer__project__build=build_id).order_by("-name")
-    layer_names = map(lambda layer : layer.name, layers)
-    # special case for meta built-in layer
-    layer_names.append('meta')
-
     # show all matching files (not just the last one)
     file_filter= search_term + ":"
     if filter_string.find('/conf/') > 0:
@@ -1353,7 +1349,7 @@ def configvars(request, build_id):
                 'total_count':queryset_with_search.count(),
                 'default_orderby' : 'variable_name:+',
                 'search_term':search_term,
-                'layer_names' : layer_names,
+                'topdir': dirname(build_dir),
             # Specifies the display of columns for the table, appearance in "Edit columns" box, toggling default show/hide, and specifying filters for columns
                 'tablecols' : [
                 {'name': 'Variable',
-- 
2.1.4