# See utils/checkpackagelib/readme.txt before editing this file.
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# The validity of the hashes itself is checked when building, so below check
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# functions don't need to check for things already checked by running
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# "make package-dirclean package-source".
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import re
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from base import _CheckFunction
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from lib import ConsecutiveEmptyLines # noqa: F401
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from lib import EmptyLastLine # noqa: F401
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from lib import NewlineAtEof # noqa: F401
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from lib import TrailingSpace # noqa: F401
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def _empty_line_or_comment(text):
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return text.strip() == "" or text.startswith("#")
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class HashNumberOfFields(_CheckFunction):
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def check_line(self, lineno, text):
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if _empty_line_or_comment(text):
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return
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fields = text.split()
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if len(fields) != 3:
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return ["{}:{}: expected three fields ({}#adding-packages-hash)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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class HashType(_CheckFunction):
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len_of_hash = {"md5": 32, "sha1": 40, "sha224": 56, "sha256": 64,
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"sha384": 96, "sha512": 128}
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def check_line(self, lineno, text):
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if _empty_line_or_comment(text):
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return
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fields = text.split()
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if len(fields) < 2:
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return
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htype, hexa = fields[:2]
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if htype == "none":
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return
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if htype not in self.len_of_hash.keys():
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return ["{}:{}: unexpected type of hash ({}#adding-packages-hash)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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if not re.match("^[0-9A-Fa-f]{%s}$" % self.len_of_hash[htype], hexa):
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return ["{}:{}: hash size does not match type "
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"({}#adding-packages-hash)"
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.format(self.filename, lineno, self.url_to_manual),
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text,
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"expected {} hex digits".format(self.len_of_hash[htype])]
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