Do not rely on dicts.merge to change target
authorSverre Rabbelier <srabbelier@gmail.com>
Mon, 13 Apr 2009 15:31:39 +0000
changeset 2177 e2c193e1f631
parent 2176 3e5187b444db
child 2178 1d27b489e7e4
Do not rely on dicts.merge to change target Also make dicts.merge actually not touch target. This is much cleaner than modifying in place, especially since we assign the result of the dicts.merge call to target most of the time anyway. Patch by: Sverre Rabbelier
app/soc/logic/dicts.py
app/soc/views/helper/dynaform.py
app/soc/views/models/club.py
app/soc/views/models/club_admin.py
app/soc/views/models/club_member.py
app/soc/views/models/host.py
app/soc/views/models/mentor.py
app/soc/views/models/org_admin.py
app/soc/views/models/organization.py
app/soc/views/models/request.py
app/soc/views/models/role.py
app/soc/views/models/student_project.py
app/soc/views/models/student_proposal.py
--- a/app/soc/logic/dicts.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/logic/dicts.py	Mon Apr 13 15:31:39 2009 +0000
@@ -53,11 +53,10 @@
     recursive: Determines whether merge_subdicts is recursive
 
   Returns:
-    the target dict, with any missing values from updates merged in, in-place.
+    a new dict, with any missing values from updates merged into target
   """
 
-  if not target:
-    target = {}
+  target = target.copy() if target else {}
 
   for key, value in updates.iteritems():
     if key not in target:
--- a/app/soc/views/helper/dynaform.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/helper/dynaform.py	Mon Apr 13 15:31:39 2009 +0000
@@ -137,10 +137,7 @@
 
     # The most interesting parameter, the 'extra fields' dictionary
     dynaconf = getattr(meta, 'dynaconf', {})
-    if not dynaproperties:
-      dynaproperties = dynaconf
-    else:
-      dicts.merge(dynaproperties, dynaconf)
+    dynaproperties = dicts.merge(dynaproperties, dynaconf)
 
   # Create a new DynaForm, using the properties we extracted
   return newDynaForm(
--- a/app/soc/views/models/club.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/club.py	Mon Apr 13 15:31:39 2009 +0000
@@ -124,7 +124,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = updated_fields)
 
-    params['applicant_create_form'] = applicant_create_form
+    self._params['applicant_create_form'] = applicant_create_form
 
   @decorators.merge_params
   @decorators.check_access
--- a/app/soc/views/models/club_admin.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/club_admin.py	Mon Apr 13 15:31:39 2009 +0000
@@ -85,7 +85,7 @@
     super(View, self).__init__(params=params)
 
     # register the role with the group_view
-    params['group_view'].registerRole(params['module_name'], self)
+    self._params['group_view'].registerRole(self._params['module_name'], self)
 
     # create and store the special form for invited users
     updated_fields = {
@@ -96,7 +96,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = updated_fields)
 
-    params['invited_create_form'] = invited_create_form
+    self._params['invited_create_form'] = invited_create_form
 
   def _editPost(self, request, entity, fields):
     """See base.View._editPost().
--- a/app/soc/views/models/club_member.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/club_member.py	Mon Apr 13 15:31:39 2009 +0000
@@ -88,7 +88,7 @@
     super(View, self).__init__(params=params)
 
     # register the role with the group_view
-    params['group_view'].registerRole(params['module_name'], self)
+    self._params['group_view'].registerRole(self._params['module_name'], self)
 
     # create and store the special form for invited users
     updated_fields = {
@@ -99,7 +99,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = updated_fields)
 
-    params['invited_create_form'] = invited_create_form
+    self._params['invited_create_form'] = invited_create_form
 
   def _editPost(self, request, entity, fields):
     """See base.View._editPost().
--- a/app/soc/views/models/host.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/host.py	Mon Apr 13 15:31:39 2009 +0000
@@ -97,7 +97,7 @@
     super(View, self).__init__(params=params)
 
     # register the role with the group_view
-    params['group_view'].registerRole(params['module_name'], self)
+    self._params['group_view'].registerRole(self._params['module_name'], self)
 
     # create and store the special form for invited users
     updated_fields = {
@@ -108,7 +108,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = updated_fields)
 
-    params['invited_create_form'] = invited_create_form
+    self._params['invited_create_form'] = invited_create_form
 
   def _editPost(self, request, entity, fields):
     """See base.View._editPost().
--- a/app/soc/views/models/mentor.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/mentor.py	Mon Apr 13 15:31:39 2009 +0000
@@ -117,7 +117,7 @@
     super(View, self).__init__(params=params)
 
     # register the role with the group_view
-    params['group_view'].registerRole(params['module_name'], self)
+    self._params['group_view'].registerRole(self._params['module_name'], self)
 
     # create and store the special form for invited users
     dynafields = [
@@ -140,7 +140,7 @@
         dynaform=self._params['create_form'],
         dynaproperties=dynaproperties)
 
-    params['invited_create_form'] = invited_create_form
+    self._params['invited_create_form'] = invited_create_form
 
   def _editPost(self, request, entity, fields):
     """See base.View._editPost().
--- a/app/soc/views/models/org_admin.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/org_admin.py	Mon Apr 13 15:31:39 2009 +0000
@@ -117,7 +117,7 @@
     super(View, self).__init__(params=params)
 
     # register the role with the group_view
-    params['group_view'].registerRole(params['module_name'], self)
+    self._params['group_view'].registerRole(self._params['module_name'], self)
 
     # create and store the special form for invited users
     dynafields = [
@@ -140,7 +140,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = dynaproperties)
 
-    params['invited_create_form'] = invited_create_form
+    self._params['invited_create_form'] = invited_create_form
 
   def _editPost(self, request, entity, fields):
     """See base.View._editPost().
--- a/app/soc/views/models/organization.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/organization.py	Mon Apr 13 15:31:39 2009 +0000
@@ -171,7 +171,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = updated_fields)
 
-    params['applicant_create_form'] = applicant_create_form
+    self._params['applicant_create_form'] = applicant_create_form
 
   @decorators.merge_params
   @decorators.check_access
@@ -367,14 +367,12 @@
     except out_of_band.Error:
       is_host = False
 
-    new_params = {}
+    params = params.copy()
 
     if is_host:
-      new_params['list_action'] = (redirects.getAdminRedirect, params)
+      params['list_action'] = (redirects.getAdminRedirect, params)
     else:
-      new_params['list_action'] = (redirects.getPublicRedirect, params)
-    # safe to merge them the wrong way around because of @merge_params
-    params = dicts.merge(new_params, params)
+      params['list_action'] = (redirects.getPublicRedirect, params)
 
     new_filter = {}
 
--- a/app/soc/views/models/request.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/request.py	Mon Apr 13 15:31:39 2009 +0000
@@ -110,7 +110,7 @@
     super(View, self).__init__(params=params)
 
     # create and store the special forms for invite and requests
-    params['invite_form'] = params['create_form']
+    self._params['invite_form'] = self._params['create_form']
 
     updated_fields = {
         'link_id': forms.CharField(widget=widgets.ReadOnlyInput(),
@@ -122,7 +122,7 @@
         dynaform = self._params['create_form'],
         dynaproperties = updated_fields)
 
-    params['request_form'] = request_form
+    self._params['request_form'] = request_form
 
 
   @decorators.merge_params
--- a/app/soc/views/models/role.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/role.py	Mon Apr 13 15:31:39 2009 +0000
@@ -161,9 +161,10 @@
     super(View, self).__init__(params=params)
 
     # add manage template
-    params['manage_template'] = 'soc/%(module_name)s/manage.html' % params
+    template = 'soc/%(module_name)s/manage.html' % self._params
+    self._params['manage_template'] = template
 
-    if params.get('show_in_roles_overview'):
+    if self._params.get('show_in_roles_overview'):
       # add to roles overview
       addRole(self)
 
--- a/app/soc/views/models/student_project.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/student_project.py	Mon Apr 13 15:31:39 2009 +0000
@@ -147,13 +147,13 @@
         }
 
     student_edit_form = dynaform.newDynaForm(
-        dynabase = params['dynabase'],
-        dynamodel = params['logic'].getModel(),
-        dynaexclude = params['create_dynaexclude'],
+        dynabase = self._params['dynabase'],
+        dynamodel = self._params['logic'].getModel(),
+        dynaexclude = self._params['create_dynaexclude'],
         dynaproperties = dynaproperties,
     )
 
-    params['student_edit_form'] = student_edit_form
+    self._params['student_edit_form'] = student_edit_form
 
 
   def _editGet(self, request, entity, form):
--- a/app/soc/views/models/student_proposal.py	Mon Apr 13 15:30:48 2009 +0000
+++ b/app/soc/views/models/student_proposal.py	Mon Apr 13 15:31:39 2009 +0000
@@ -165,7 +165,7 @@
         dynaform=self._params['create_form'],
         dynaproperties=dynaproperties)
 
-    params['student_create_form'] = student_create_form
+    self._params['student_create_form'] = student_create_form
 
     # create the special form for public review
     dynafields = [
@@ -184,7 +184,7 @@
     public_review_form = dynaform.newDynaForm(dynamodel=None, 
         dynabase=helper.forms.BaseForm, dynainclude=None, 
         dynaexclude=None, dynaproperties=dynaproperties)
-    params['public_review_form'] = public_review_form
+    self._params['public_review_form'] = public_review_form
 
     # create the special form for mentors
     dynafields = [
@@ -229,7 +229,7 @@
     mentor_review_form = dynaform.newDynaForm(dynamodel=None, 
         dynabase=helper.forms.BaseForm, dynainclude=None, 
         dynaexclude=None, dynaproperties=dynaproperties)
-    params['mentor_review_form'] = mentor_review_form
+    self._params['mentor_review_form'] = mentor_review_form
 
     dynafields = [
       {'name': 'rank',
@@ -262,7 +262,7 @@
     admin_review_form = dynaform.extendDynaForm(dynaform=mentor_review_form, 
         dynaproperties=dynaproperties)
 
-    params['admin_review_form'] = admin_review_form
+    self._params['admin_review_form'] = admin_review_form
 
   def _editGet(self, request, entity, form):
     """See base.View._editGet().