fetch doi none check

1 files changed, 5 insertions, 3 deletions

diff --git a/s2-fetch-doi.py b/s2-fetch-doi.py
index cd1d7999..4ca0119d 100644
--- a/s2-fetch-doi.py
+++ b/s2-fetch-doi.py
@@ -20,7 +20,9 @@ def fetch_doi_list(fn):
   domains = []
   for line in lines:
     paper_id, url = line
-    domain = fetch_doi(paper_id, url)
+    if url:
+      domain = fetch_doi(paper_id, url)
+      print(domain)
   print("{} papers processed".format(len(lines)))
 
 def fetch_doi(paper_id, url):
@@ -30,12 +32,12 @@ def fetch_doi(paper_id, url):
   txt_fn = make_txt_fn(paper_id)
   if os.path.exists(doi_fn) or os.path.exists(txt_fn):
     # return read_json(doi_fn)
-    return
+    return None, None
   size, final_url = s2.fetch_doi(url, doi_fn)
   if size is None:
     print("{} empty?".format(paper_id))
     time.sleep(random.randint(2, 5))
-    return None  
+    return None, None
   print("{} {} kb".format(paper_id, int(size / 1024)))
   domain = urlparse(final_url).netloc
   write_json(url_fn, {