# HG changeset patch
# User Goffi <goffi@goffi.org>
# Date 1563552098 -7200
# Node ID 584e29d9510a101552731a0256e7adf7473fb089
# Parent  67ec223564574e3ade584e0d345b0e12b6566cf7
pages: display a warning instead or raising exception if write fails:

request.write sometimes raise an AttributeError.
This case happens most of time when browser tab is closed or reloaded before the page has
been written.

fix 214

diff -r 67ec22356457 -r 584e29d9510a libervia/server/pages.py
--- a/libervia/server/pages.py	Fri Jul 19 18:01:25 2019 +0200
+++ b/libervia/server/pages.py	Fri Jul 19 18:01:38 2019 +0200
@@ -1197,7 +1197,12 @@
             self._do_cache = None
             self._checkCacheHeaders(request, page_cache)
 
-        request.write(data_encoded)
+        try:
+            request.write(data_encoded)
+        except AttributeError:
+            log.warning(_(u"Can't write page, the request has probably been cancelled "
+                          u"(browser tab closed or reloaded)"))
+            return
         request.finish()
 
     def _subpagesHandler(self, __, request):