From b3c1cd57edf3b57357251a3987fd628b07eb440f Mon Sep 17 00:00:00 2001
From: Luca Baffa <47544021+lb803@users.noreply.github.com>
Date: Fri, 17 Feb 2023 12:26:17 +0000
Subject: [PATCH] improve get_html_pub_url() method readability

---
 src/thoth_wrapper.py | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/thoth_wrapper.py b/src/thoth_wrapper.py
index 5208373..84e5e30 100755
--- a/src/thoth_wrapper.py
+++ b/src/thoth_wrapper.py
@@ -19,17 +19,19 @@ def get_title(thoth_data):
 def get_html_pub_url(thoth_data):
     for publication in thoth_data["publications"]:
         if publication['publicationType'] == 'HTML':
-            try:
-                url = publication['locations'][0]['fullTextUrl']
-            except IndexError:
-                raise IndexError('HTML edition defined in Thoth but '
-                                 'location URL not specified. Please, '
-                                 'add it and re-run the process.')
+            locations = publication.get('locations', [])
             break
     else:
-        raise SystemExit('HTML edition data not found in Thoth.',
+        raise ValueError('HTML edition data not found in Thoth.',
                          'Please add it and re-run the process.')
 
+    try:
+        url = locations[0]['fullTextUrl']
+    except IndexError:
+        raise IndexError('HTML edition defined in Thoth but '
+                         'location URL not specified. Please, '
+                         'add it and re-run the process.')
+
     return url
 
 def run():