normalise isnis

Some isnis are imported with spaces and some not.
This normalises them for comparison and creating URLs

bookwyrm/templates/author/author.html

@@ -2,6 +2,7 @@
 {% load i18n %}
 {% load markdown %}
 {% load humanize %}
+{% load utilities %}
 
 {% block title %}{{ author.name }}{% endblock %}
 
@@ -65,7 +66,7 @@
 
             {% if author.isni %}
             <p class="my-1">
-                <a itemprop="sameAs" href="https://isni.org/isni/{{ author.isni }}" rel="noopener" target="_blank">
+                <a itemprop="sameAs" href="https://isni.org/isni/{{ author.isni|remove_spaces }}" rel="noopener" target="_blank">
                     {% trans "View ISNI record" %}
                 </a>
             </p>

bookwyrm/templatetags/utilities.py

@@ -1,8 +1,10 @@
 """ template filters for really common utilities """
 import os
+import re
 from uuid import uuid4
 from django import template
 from django.utils.translation import gettext_lazy as _
+from django.template.defaultfilters import stringfilter
 from django.templatetags.static import static
 
 
@@ -71,10 +73,17 @@ def get_book_cover_thumbnail(book, size="medium", ext="jpg"):
 @register.filter(name="get_isni_bio")
 def get_isni_bio(existing, author):
     """Returns the isni bio string if an existing author has an isni listed"""
+    auth_isni = re.sub("\D","",str(author.isni))
     if len(existing) == 0:
         return ""
     for value in existing:
-        if "bio" in value and author.isni == value["isni"]:
+        if "bio" in value and auth_isni == re.sub("\D","",str(value["isni"])):
             return value["bio"]
 
     return ""
+
+@register.filter(name="remove_spaces")
+@stringfilter
+def remove_spaces(arg):
+    """Removes spaces from argument passed in"""
+    return re.sub("\s","",str(arg))

bookwyrm/views/books/edit_book.py

@@ -1,5 +1,6 @@
 """ the good stuff! the books! """
 from dateutil.parser import parse as dateparse
+from re import sub
 from django.contrib.auth.decorators import login_required, permission_required
 from django.contrib.postgres.search import SearchRank, SearchVector
 from django.db import transaction
@@ -74,7 +75,7 @@ class EditBook(View):
                     i
                     for i in isni_authors
                     for a in author_matches
-                    if i["isni"] == a.isni
+                    if sub("\D","",str(i["isni"])) == sub("\D","",str(a.isni))
                 ]
 
                 # pylint: disable=cell-var-from-loop