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Catch possible exceptions thrown by the ASN DNS resolver

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This commit is contained in:
Baptiste Jonglez 2014-01-28 15:45:03 +01:00
parent 2418d13d07
commit e557dd651b
1 changed files with 4 additions and 1 deletions
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3
lg.py
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@ -48,7 +48,10 @@ app.logger.addHandler(file_handler)
def get_asn_from_as(n): def get_asn_from_as(n):
asn_zone = app.config.get("ASN_ZONE", "asn.cymru.com") asn_zone = app.config.get("ASN_ZONE", "asn.cymru.com")
try:
data = resolve("AS%s.%s" % (n, asn_zone) ,"TXT").replace("'","").replace('"','') data = resolve("AS%s.%s" % (n, asn_zone) ,"TXT").replace("'","").replace('"','')
except:
return " "*5
return [ field.strip() for field in data.split("|") ] return [ field.strip() for field in data.split("|") ]