Monkey-patch django-paypal for issue #17

django-paypal-dateutil.diff

diff --git a/standard/forms.py b/standard/forms.py
index 6639146..f13aae4 100644
--- a/standard/forms.py
+++ b/standard/forms.py
@@ -199,12 +199,52 @@ class PayPalSharedSecretEncryptedPaymentsForm(PayPalEncryptedPaymentsForm):
         else:
             self.fields['notify_url'].initial += secret_param
 
+try:
+    import dateutil.parser
+except ImportError:
+    DateTimeField = forms.fields.DateTimeField
+else:
+    import datetime
+    class DateTimeField(forms.fields.Field):
+        """Use datetutils parser that is not locale-aware."""
+        EMPTY_VALUES = (None, '')
+        def __init__(self, input_formats=None, *args, **kwargs):
+            # ignore input_formats for compatibility
+            super(DateTimeField, self).__init__(*args, **kwargs)
+
+        def clean(self, value):
+            value = super(DateTimeField, self).clean(value)
+
+            # django.forms.fields.DateTimeField.clean
+            if value in forms.fields.EMPTY_VALUES:
+                return None
+            if isinstance(value, datetime.datetime):
+                return value
+            if isinstance(value, datetime.date):
+                return datetime.datetime(value.year, value.month, value.day)
+            if isinstance(value, list):
+                # Input comes from a SplitDateTimeWidget, for example. So, it's two
+                # components: date and time.
+                if len(value) != 2:
+                    raise ValidationError(self.error_messages['invalid'])
+                value = '%s %s' % tuple(value)
+
+            try:
+                tzdt = dateutil.parser.parse(
+                    value,
+                    tzinfos={'PST':-8*3600, 'PDT':-7*3600},
+                    )
+                return datetime.datetime(*tzdt.utctimetuple()[:7])
+            except Exception, e:
+                raise django.forms.ValidationError(
+                    'Invalid date/time: %s' % e)
+
 
 class PayPalStandardBaseForm(forms.ModelForm):
     """Form used to receive and record PayPal IPN/PDT."""
     # PayPal dates have non-standard formats.
-    time_created = forms.DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
-    payment_date = forms.DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
-    next_payment_date = forms.DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
-    subscr_date = forms.DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
-    subscr_effective = forms.DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
\ No newline at end of file
+    time_created = DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
+    payment_date = DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
+    next_payment_date = DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
+    subscr_date = DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)
+    subscr_effective = DateTimeField(required=False, input_formats=PAYPAL_DATE_FORMAT)