File size validator

1 files changed, 12 insertions, 0 deletions

diff --git a/ishtar_common/forms.py b/ishtar_common/forms.py
index 526255277..7b98021d6 100644
--- a/ishtar_common/forms.py
+++ b/ishtar_common/forms.py
@@ -26,8 +26,10 @@ import re
 import types
 
 from django import forms
+from django.conf import settings
 from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
+from django.core.exceptions import ValidationError
 from django.core.urlresolvers import reverse
 from django.core import validators
 from django.forms.formsets import BaseFormSet, DELETION_FIELD_NAME
@@ -81,6 +83,16 @@ name_validator = validators.RegexValidator(
     'invalid')
 
 
+def file_size_validator(value):
+    limit = (settings.MAX_UPLOAD_SIZE * 1024 * 1024) - 100
+    if value.size > limit:
+        raise ValidationError(
+            unicode(_(u'File too large. Size should not exceed {} Mo.')).format(
+                settings.MAX_UPLOAD_SIZE
+            )
+        )
+
+
 class FloatField(forms.FloatField):
     """
     Allow the use of comma for separating float fields