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-rw-r--r--python/fatcat_tools/normal.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/python/fatcat_tools/normal.py b/python/fatcat_tools/normal.py
index 528a822e..f962ff3c 100644
--- a/python/fatcat_tools/normal.py
+++ b/python/fatcat_tools/normal.py
@@ -52,6 +52,11 @@ def clean_doi(raw):
return None
if not DOI_REGEX.fullmatch(raw):
return None
+ # will likely want to expand DOI_REGEX to exclude non-ASCII characters, but
+ # for now block specific characters so we can get PubMed importer running
+ # again.
+ if 'ä' in raw:
+ return None
return raw
def test_clean_doi():
@@ -65,6 +70,7 @@ def test_clean_doi():
assert clean_doi("doi:10.1234/asdf ") == "10.1234/asdf"
assert clean_doi("doi:10.1234/ asdf ") == None
assert clean_doi("10.4149/gpb¬_2017042") == None # "logical negation" character
+ assert clean_doi("10.6002/ect.2020.häyry") == None # this example via pubmed (pmid:32519616)
ARXIV_ID_REGEX = re.compile(r"^(\d{4}.\d{4,5}|[a-z\-]+(\.[A-Z]{2})?/\d{7})(v\d+)?$")