changed fallback-filepath

ckanext/odsh/profiles.py

@@ -111,22 +111,28 @@ def resource_formats():
         g.parse(urlresponse)
         # At the moment, there are 143 different file types listed, 
         # if less than 120 are found, something went wrong.       
-        assert len(set([s for s in g.subjects()])) > 120
+        if len(set([s for s in g.subjects()])) > 120:
+            raise ValueError("Not enough subjects")
         # Save the content as backup
         if sys.version_info[0] == 2:
             urlresponse = urllib2.urlopen(urllib2.Request(format_european_url))
         elif sys.version_info[0] == 3:  # >=Python3.1
             urlresponse = urllib.request.urlopen(urllib.request.Request(format_european_url))
-        err_msg = "Could not write to /usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/fileformats.rdf"
-        f = open('/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/fileformats.rdf', 'w')
+        fallback_filepath = config.get('ckan.odsh.resource_formats_fallback_filepath')
+        if not fallback_filepath:
+            log.warning("Could not find config setting: 'ckan.odsh.resource_formats_fallback_filepath', using fallback instead.")
+            fallback_filepath = "/tmp/fileformats.rdf"
+        err_msg = "Could not write to " + fallback_filepath
+        f = open(fallback_filepath, 'w')
         f.write(urlresponse.read())
         f.close()
     except:
+        log.exception("failed to process resource_formats")
         # Something went wrong with trying to get the file formats online, try to use backup instead
         try:
-            g.parse('/usr/lib/ckan/default/src/ckanext-odsh/ckanext/odsh/fileformats.rdf')
+            g.parse(fallback_filepath)
             assert len(set([s for s in g.subjects()])) > 120
-            log.warning("Could not get file formats from " + format_european_url + ", using fallback instead.")
+            log.info("Could not get file formats from " + format_european_url + ", using fallback instead.")
         except:
             raise Exception(err_msg)
     file_types = [subj.decode() for subj in g.subjects()]