Always strip whitespace from label profile 'spec' field input

Otherwise we can't properly load (import) the spec object...

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)

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.

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=[