58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
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from json import dumps
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from time import sleep
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from py.lib.twilio.client import get_client
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def send_sms(to, from_, body, max_char_count=300, stream=None):
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'''
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abstraction for twilio.client.messages.create which will break
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messages into multi-part SMS rather than throwing an error or
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requiring the use of MMS data
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@param to messages.create parameter
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@param from_ messages.create parameter
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@param body messages.create parameter
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@param max_char_count 1 ≤ N ≤ 1500 (default 300)
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@param stream used to report success/failure (optional)
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@return a list of twilio MessageInstance objects
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'''
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client = get_client()
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messages = []
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max_char_count = max(1, min(max_char_count, 1500))
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total_sms_parts = 1 + len(body) // max_char_count
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contains_multiple_parts = total_sms_parts > 1
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for i in range(0, len(body), max_char_count):
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msg_body = body[i:i+max_char_count]
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current_part = 1 + i // max_char_count
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if contains_multiple_parts:
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msg_body = f'{current_part}/{total_sms_parts}\n{msg_body}'
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message = client.messages.create(
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to = to,
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from_ = from_,
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body = msg_body,
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)
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messages.append(message)
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if stream is not None:
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stream.writeline(
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dumps({
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'sid': message.sid,
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'to': to,
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'from': from_,
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'body': msg_body,
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})
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)
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if contains_multiple_parts:
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sleep(2 if max_char_count <= 500 else 5)
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return messages
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