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Allow underscores in broadlink hostnames (#35791)

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* Allow underscores in hostnames

* Ignore case
This commit is contained in:
Felipe Martins Diel 2020-05-19 08:46:12 -03:00 • committed by GitHub
parent 12ec476821
commit 2b38df2766
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1 changed files with 2 additions and 2 deletions
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4
homeassistant/components/broadlink/__init__.py
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@ -31,12 +31,12 @@ def data_packet(value):
def hostname(value): def hostname(value):
"""Validate a hostname.""" """Validate a hostname."""
host = str(value).lower() host = str(value)
if len(host) > 253: if len(host) > 253:
raise ValueError raise ValueError
if host[-1] == ".": if host[-1] == ".":
host = host[:-1] host = host[:-1]
allowed = re.compile(r"(?!-)[a-z\d-]{1,63}(?<!-)$") allowed = re.compile(r"(?![_-])[a-z\d_-]{1,63}(?<![_-])$", flags=re.IGNORECASE)
if not all(allowed.match(elem) for elem in host.split(".")): if not all(allowed.match(elem) for elem in host.split(".")):
raise ValueError raise ValueError
return host return host