26 lines
695 B
Python
26 lines
695 B
Python
# -*- coding: utf-8 -*-
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import re
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domain_re = re.compile(r'^(?!-)[a-z0-9-]{1,63}(?<!-)(?:\.(?!-)[a-z0-9-]{1,63}(?<!-)){0,125}\.(?!-)(?![0-9]+$)[a-z0-9-]{1,63}(?<!-)$')
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box_re = re.compile(r'^[a-z0-9!#$%&\'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&\'*+/=?^_`{|}~-]+)*$')
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class InvalidValueException(Exception):
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pass
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def is_valid_domain(domain):
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return bool(domain_re.match(domain))
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def is_valid_port(port):
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try:
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port = int(port)
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return port > 0 and port < 65536
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except:
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return False
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def is_valid_email(email):
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parts = email.split('@')
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if len(parts) != 2:
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return False
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return bool(box_re.match(parts[0])) and bool(domain_re.match(parts[1]))
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