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@ -128,9 +128,9 @@ class Identifiers(Base):
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def __repr__(self):
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format_type = self.type.lower()
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if format_type == "amazon" or format_type == "asin":
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return u"https://amzn.com/{0}".format(self.val)
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return u"https://amazon.com/dp/{0}".format(self.val)
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elif format_type.startswith('amazon_'):
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return u"https://amazon.{0}/{1}".format(format_type[7:], self.val)
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return u"https://amazon.{0}/dp/{1}".format(format_type[7:], self.val)
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elif format_type == "isbn":
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return u"https://www.worldcat.org/isbn/{0}".format(self.val)
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elif format_type == "doi":
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