CSIT-1110: Print NameError to reduce confusion

See https://gerrit.fd.io/r/12724
for an example mistake which also can cause NameError.

Change-Id: I65c74744c027800a95014f3be48d0f522a10ce2b
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

3 files changed, 9 insertions, 9 deletions

diff --git a/resources/tools/presentation/generator_files.py b/resources/tools/presentation/generator_files.py
index e717815cd0..4268d34a88 100644
--- a/resources/tools/presentation/generator_files.py
+++ b/resources/tools/presentation/generator_files.py
@@ -43,9 +43,9 @@ def generate_files(spec, data):
     for file_spec in spec.files:
         try:
             eval(file_spec["algorithm"])(file_spec, data)
-        except NameError:
-            logging.error("The algorithm '{0}' is not defined.".
-                          format(file_spec["algorithm"]))
+        except NameError as err:
+            logging.error("Probably algorithm '{alg}' is not defined: {err}".
+                          format(alg=file_spec["algorithm"], err=repr(err))
     logging.info("Done.")
 
 
diff --git a/resources/tools/presentation/generator_plots.py b/resources/tools/presentation/generator_plots.py
index 6faf4c3935..d89d68f98a 100644
--- a/resources/tools/presentation/generator_plots.py
+++ b/resources/tools/presentation/generator_plots.py
@@ -39,9 +39,9 @@ def generate_plots(spec, data):
         try:
             logging.info("  Plot nr {0}:".format(index + 1))
             eval(plot["algorithm"])(plot, data)
-        except NameError:
-            logging.error("The algorithm '{0}' is not defined.".
-                          format(plot["algorithm"]))
+        except NameError as err:
+            logging.error("Probably algorithm '{alg}' is not defined: {err}".
+                          format(alg=plot["algorithm"], err=repr(err))
     logging.info("Done.")
 
 
diff --git a/resources/tools/presentation/generator_tables.py b/resources/tools/presentation/generator_tables.py
index 4fdd8c58ba..f555fce77d 100644
--- a/resources/tools/presentation/generator_tables.py
+++ b/resources/tools/presentation/generator_tables.py
@@ -43,9 +43,9 @@ def generate_tables(spec, data):
     for table in spec.tables:
         try:
             eval(table["algorithm"])(table, data)
-        except NameError:
-            logging.error("The algorithm '{0}' is not defined.".
-                          format(table["algorithm"]))
+        except NameError as err:
+            logging.error("Probably algorithm '{alg}' is not defined: {err}".
+                          format(alg=table["algorithm"], err=repr(err))
     logging.info("Done.")