From e0bd20ee23356d562b27943a6a66b33b44602e4b Mon Sep 17 00:00:00 2001
From: Lance Edgar <ledgar@sacfoodcoop.com>
Date: Wed, 29 Jun 2016 18:59:56 -0500
Subject: [PATCH] Always strip whitespace from label profile 'spec' field input

Otherwise we can't properly load (import) the spec object...
---
 tailbone/forms/renderers/__init__.py |  2 +-
 tailbone/forms/renderers/common.py   | 12 ++++++++++++
 tailbone/views/labels/profiles.py    |  3 +++
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/tailbone/forms/renderers/__init__.py b/tailbone/forms/renderers/__init__.py
index 9607e5c4..e679a361 100644
--- a/tailbone/forms/renderers/__init__.py
+++ b/tailbone/forms/renderers/__init__.py
@@ -28,7 +28,7 @@ from __future__ import unicode_literals, absolute_import
 
 from .core import CustomFieldRenderer, DateFieldRenderer
 
-from .common import (AutocompleteFieldRenderer,
+from .common import (StrippedTextFieldRenderer, AutocompleteFieldRenderer,
                      DecimalFieldRenderer, CurrencyFieldRenderer,
                      DateTimeFieldRenderer, DateTimePrettyFieldRenderer, TimeFieldRenderer,
                      EnumFieldRenderer, YesNoFieldRenderer)
diff --git a/tailbone/forms/renderers/common.py b/tailbone/forms/renderers/common.py
index 052507c0..5073382b 100644
--- a/tailbone/forms/renderers/common.py
+++ b/tailbone/forms/renderers/common.py
@@ -40,6 +40,18 @@ from pyramid.renderers import render
 from tailbone.util import pretty_datetime, raw_datetime
 
 
+class StrippedTextFieldRenderer(formalchemy.TextFieldRenderer):
+    """
+    Standard text field renderer, which strips whitespace from either end of
+    the input value on deserialization.
+    """
+
+    def deserialize(self):
+        value = super(StrippedTextFieldRenderer, self).deserialize()
+        if value is not None:
+            return value.strip()
+
+
 class AutocompleteFieldRenderer(FieldRenderer):
     """
     Custom renderer for an autocomplete field.
diff --git a/tailbone/views/labels/profiles.py b/tailbone/views/labels/profiles.py
index 3f458cfc..4182e84a 100644
--- a/tailbone/views/labels/profiles.py
+++ b/tailbone/views/labels/profiles.py
@@ -32,6 +32,7 @@ import formalchemy
 from webhelpers.html import HTML
 from pyramid.httpexceptions import HTTPFound
 
+from tailbone import forms
 from tailbone.db import Session
 from tailbone.views import MasterView
 from tailbone.views.continuum import VersionView, version_defaults
@@ -70,6 +71,8 @@ class ProfilesView(MasterView):
             readonly=True)
 
     def configure_fieldset(self, fs):
+        fs.printer_spec.set(renderer=forms.renderers.StrippedTextFieldRenderer)
+        fs.formatter_spec.set(renderer=forms.renderers.StrippedTextFieldRenderer)
         fs.format.set(renderer=FormatFieldRenderer)
         fs.configure(
             include=[