def test_check_issn():
assert check_issn("") == ""
assert check_issn("1") == ""
assert check_issn("12") == ""
assert check_issn("123") == ""
assert check_issn("1234") == ""
assert check_issn("12345") == ""
assert check_issn("123456") == ""
assert check_issn("1234567") == ""
assert check_issn("12345678") == "1234-5678"
assert check_issn("1234-5678") == "1234-5678"
assert check_issn("1234-5678X") == "1234-5678"
assert check_issn("1234-5678X3344") == "1234-5678"
assert check_issn("9780201038019 is an valid isbn") == "978020103"
newrecord.add("007", data=f007)
# ISBN
try:
isbn = oldrecord["020"]["a"]
except:
isbn = ""
f020a = check_isbn(isbn)
newrecord.add("020", a=f020a)
# ISSN
try:
issn = oldrecord["022"]["a"]
except:
issn = ""
f022a = check_issn(issn)
newrecord.add("022", a=f022a)
# RDA-Inhaltstyp
f336b = formats[format]["336b"]
newrecord.add("336", b=f336b)
# RDA-Datenträgertyp
f338b = formats[format]["338b"]
newrecord.add("338", b=f338b)
# Originalfelder, die ohne Änderung übernommen werden
for tag in copytags:
for field in oldrecord.get_fields(tag):
newrecord.add_field(field)
# Periodizität
year = oldrecord.get("dc:date", "")
periodicity = formats[format]["008"]
language = oldrecord.get("dc:language", [""])
language = language[0]
f008 = marc_build_field_008(year, periodicity, language)
marcrecord.add("008", data=f008)
# ISBN und ISSN
numbers = oldrecord["dc:identifier"]
for number in numbers:
if "ISBN" in number:
f020a = check_isbn(number)
marcrecord.add("020", a=f020a)
if "ISSN" in number:
f022a = check_issn(number)
marcrecord.add("022", a=f022a)
# Sprache
f041a = oldrecord.get("dc:language", [""])
f041a = f041a[0]
if f041a and len(f041a) != 3:
sys.exit("Die Sprache ist nicht MARC-konform: " + f041a)
marcrecord.add("041", a=f041a)
# DDC-Notation
if setspec == "gallica:theme:0:00":
marcrecord.add("082", a="000")
elif setspec == "gallica:theme:0:02":
marcrecord.add("082", a="020")
elif setspec == "gallica:typedoc:partitions":