Update AuthorsMixin.is_affiliation_for_all to add a threshold

modules/store_tools/authorsmixin.py

@@ -15,6 +15,8 @@ AUTHOR_FORMATS = [
     "Last, First",
     "Last F."]
 
+AFF_THRESHOLD = 0.01
+
 MSG_FAUTHOR_COLLABORATION = "Reject first author is a Collaboration"
 MSG_INVALID_FMT = "Invalid format for author"
 MSG_NO_AUTHOR = "Reject no author(s)"
@@ -373,7 +375,12 @@ class AuthorsMixin(object):
         return True
 
     def is_affiliation_for_all(self):
-        """``True`` when affiliation are defined for all authors.
+        """``True`` when affiliation are defined for almost all authors.
+
+        Note:
+            Very often affiliation are missing. Therefore, if the number
+            of affiliation is at least define for 99% of authors we
+            consider that the publication is OK.
 
         Return:
             bool:
@@ -382,7 +389,9 @@ class AuthorsMixin(object):
         df = self.df_authors
 
         query = df.affiliation.isin(["", NaN])
-        return df.affiliation[query].size == 0
+        frac = df.affiliation[query].size / df.affiliation.size
+
+        return frac <= AFF_THRESHOLD
 
     def is_authors(self):
         """``True`` when authors are defined.