# HG changeset patch
# User Julien Cristau <julien.cristau@logilab.fr>
# Date 1451986577 -3600
# Node ID 0cdd92261c4af0f208832e9b30a32928b6fd8013
# Parent  70733b2dfd2af50e042be880d5652d2f36524f24
[web/component] guard against invalid page_size form parameter

Same as dff28956f37e, except the almost same code exists in two places
(yay us).

diff -r 70733b2dfd2a -r 0cdd92261c4a web/component.py
--- a/web/component.py	Tue Jan 05 10:31:29 2016 +0100
+++ b/web/component.py	Tue Jan 05 10:36:17 2016 +0100
@@ -71,10 +71,13 @@
         except AttributeError:
             page_size = self.cw_extra_kwargs.get('page_size')
             if page_size is None:
-                if 'page_size' in self._cw.form:
-                    page_size = int(self._cw.form['page_size'])
-                else:
-                    page_size = self._cw.property_value(self.page_size_property)
+                try:
+                    page_size = int(self._cw.form.get('page_size'))
+                except (ValueError, TypeError):
+                    # no or invalid value, fall back
+                    pass
+            if page_size is None:
+                page_size = self._cw.property_value(self.page_size_property)
             self._page_size = page_size
             return page_size