Mercurial > piecrust2

changeset 153:1c3d229158ba

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Make a nice error message when a layout hasn't been found.
author Ludovic Chabant <ludovic@chabant.com>
date Thu, 04 Dec 2014 12:49:53 -0800
parents 8d956bd94ad2
children a42469dbdc47
files piecrust/rendering.py
diffstat 1 files changed, 7 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/piecrust/rendering.py	Thu Dec 04 12:49:35 2014 -0800
+++ b/piecrust/rendering.py	Thu Dec 04 12:49:53 2014 -0800
@@ -4,7 +4,7 @@
 from piecrust.data.builder import (DataBuildingContext, build_page_data,
         build_layout_data)
 from piecrust.sources.base import PageSource
-from piecrust.templating.base import TemplatingError
+from piecrust.templating.base import TemplateNotFoundError, TemplatingError
 from piecrust.uriutil import get_slug
 
 
@@ -205,7 +205,12 @@
     engine = get_template_engine(page.app, engine_name)
     if engine is None:
         raise PageRenderingError("No such template engine: %s" % engine_name)
-    output = engine.renderFile(full_names, layout_data)
+    try:
+        output = engine.renderFile(full_names, layout_data)
+    except TemplateNotFoundError as ex:
+        msg = "Can't find template for page: %s\n" % page.path
+        msg += "Looked for: %s" % ', '.join(full_names)
+        raise Exception(msg) from ex
     return output