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51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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import phonenumbers
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from synapse.api.errors import SynapseError
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def phone_number_to_msisdn(country: str, number: str) -> str:
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"""
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Takes an ISO-3166-1 2 letter country code and phone number and
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returns an msisdn representing the canonical version of that
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phone number.
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As an example, if `country` is "GB" and `number` is "7470674927", this
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function will return "447470674927".
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Args:
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country: ISO-3166-1 2 letter country code
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number: Phone number in a national or international format
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Returns:
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The canonical form of the phone number, as an msisdn.
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Raises:
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SynapseError if the number could not be parsed.
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"""
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try:
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phoneNumber = phonenumbers.parse(number, country)
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except phonenumbers.NumberParseException:
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raise SynapseError(400, "Unable to parse phone number")
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return phonenumbers.format_number(phoneNumber, phonenumbers.PhoneNumberFormat.E164)[
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1:
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]
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