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26 lines
1.2 KiB
Python
26 lines
1.2 KiB
Python
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import re
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SMS_CHAR_COUNT_LIMIT = 918 # 153 * 6, no network issues but check with providers before upping this further
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LETTER_MAX_PAGE_COUNT = 10
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DAILY_MESSAGE_LIMIT = 10000
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# regexes for use in recipients.validate_email_address.
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# Valid characters taken from https://en.wikipedia.org/wiki/Email_address#Local-part
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# Note: Normal apostrophe eg `Firstname-o'surname@domain.com` is allowed.
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# hostname_part regex: xn in regex signifies possible punycode conversions, which would start `xn--`;
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# the hyphens are matched for later in the regex.
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hostname_part = re.compile(r"^(xn|[a-z0-9]+)(-?-[a-z0-9]+)*$", re.IGNORECASE)
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tld_part = re.compile(r"^([a-z]{2,63}|xn--([a-z0-9]+-)*[a-z0-9]+)$", re.IGNORECASE)
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VALID_LOCAL_CHARS = r"a-zA-Z0-9.!#$%&'*+/=?^_`{|}~\-"
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EMAIL_REGEX_PATTERN = r"^[{}]+@([^.@][^@\s]+)$".format(VALID_LOCAL_CHARS)
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email_with_smart_quotes_regex = re.compile(
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# matches wider than an email - everything between an at sign and the nearest whitespace
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r"(^|\s)\S+@\S+(\s|$)",
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flags=re.MULTILINE,
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)
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# The magic sequence is a ‘unique’ series of characters which we temporarily insert
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# and then later remove when performing tricky formatting operations
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MAGIC_SEQUENCE = "🇬🇧🐦✉️"
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magic_sequence_regex = re.compile(MAGIC_SEQUENCE)
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