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Bump dnspython from 2.0.0 to 2.2.0 (#1618)

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* Bump dnspython from 2.0.0 to 2.2.0

Bumps [dnspython]() from 2.0.0 to 2.2.0.

---
updated-dependencies:
- dependency-name: dnspython
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update dnspython==2.2.0

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

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dependabot[bot] 2022-01-25 11:08:24 -08:00 • committed by GitHub
parent 515a5d42d3
commit 3c93b5600f
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143 changed files with 7498 additions and 2054 deletions
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29
lib/dns/ttl.py
View file

@ -19,6 +19,13 @@
import dns.exception
# Technically TTLs are supposed to be between 0 and 2**31 - 1, with values
# greater than that interpreted as 0, but we do not impose this policy here
# as values > 2**31 - 1 occur in real world data.
#
# We leave it to applications to impose tighter bounds if desired.
MAX_TTL = 2**32 - 1
class BadTTL(dns.exception.SyntaxError):
"""DNS TTL value is not well-formed."""
@ -38,16 +45,20 @@ def from_text(text):
if text.isdigit():
total = int(text)
elif len(text) == 0:
raise BadTTL
else:
if not text[0].isdigit():
raise BadTTL
total = 0
current = 0
need_digit = True
for c in text:
if c.isdigit():
current *= 10
current += int(c)
need_digit = False
else:
if need_digit:
raise BadTTL
c = c.lower()
if c == 'w':
total += current * 604800
@ -62,8 +73,18 @@ def from_text(text):
else:
raise BadTTL("unknown unit '%s'" % c)
current = 0
need_digit = True
if not current == 0:
raise BadTTL("trailing integer")
if total < 0 or total > 2147483647:
raise BadTTL("TTL should be between 0 and 2^31 - 1 (inclusive)")
if total < 0 or total > MAX_TTL:
raise BadTTL("TTL should be between 0 and 2**32 - 1 (inclusive)")
return total
def make(value):
if isinstance(value, int):
return value
elif isinstance(value, str):
return dns.ttl.from_text(value)
else:
raise ValueError('cannot convert value to TTL')