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- # Copyright 2017 Vector Creations Ltd
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import phonenumbers
- from synapse.api.errors import SynapseError
- def phone_number_to_msisdn(country: str, number: str) -> str:
- """
- Takes an ISO-3166-1 2 letter country code and phone number and
- returns an msisdn representing the canonical version of that
- phone number.
- As an example, if `country` is "GB" and `number` is "7470674927", this
- function will return "447470674927".
- Args:
- country: ISO-3166-1 2 letter country code
- number: Phone number in a national or international format
- Returns:
- The canonical form of the phone number, as an msisdn.
- Raises:
- SynapseError if the number could not be parsed.
- """
- try:
- phoneNumber = phonenumbers.parse(number, country)
- except phonenumbers.NumberParseException:
- raise SynapseError(400, "Unable to parse phone number")
- return phonenumbers.format_number(phoneNumber, phonenumbers.PhoneNumberFormat.E164)[
- 1:
- ]
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