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class Personalization(object):
"""A Personalization defines who should receive an individual message and
how that message should be handled.
"""
def __init__(self):
"""Create an empty Personalization and initialize member variables."""
self._tos = []
self._from_email = None
self._ccs = []
self._bccs = []
self._subject = None
self._headers = []
self._substitutions = []
self._custom_args = []
self._send_at = None
self._dynamic_template_data = None
def add_email(self, email):
email_type = type(email)
if email_type.__name__ == 'To':
self.add_to(email)
return
if email_type.__name__ == 'Cc':
self.add_cc(email)
return
if email_type.__name__ == 'Bcc':
self.add_bcc(email)
return
if email_type.__name__ == 'From':
self.from_email = email
return
raise ValueError('Please use a To, From, Cc or Bcc object.')
def _get_unique_recipients(self, recipients):
unique_recipients = []
for recipient in recipients:
recipient_email = recipient['email'].lower() if isinstance(recipient, dict) else recipient.email.lower()
if all(
unique_recipient['email'].lower() != recipient_email for unique_recipient in unique_recipients
):
new_unique_recipient = recipient if isinstance(recipient, dict) else recipient.get()
unique_recipients.append(new_unique_recipient)
return unique_recipients
@property
def tos(self):
"""A list of recipients for this Personalization.
:rtype: list(dict)
"""
return self._get_unique_recipients(self._tos)
@tos.setter
def tos(self, value):
self._tos = value
def add_to(self, email):
"""Add a single recipient to this Personalization.
:type email: Email
"""
if email.substitutions:
if isinstance(email.substitutions, list):
for substitution in email.substitutions:
self.add_substitution(substitution)
else:
self.add_substitution(email.substitutions)
if email.dynamic_template_data:
self.dynamic_template_data = email.dynamic_template_data
if email.subject:
if isinstance(email.subject, str):
self.subject = email.subject
else:
self.subject = email.subject.get()
self._tos.append(email.get())
@property
def from_email(self):
return self._from_email
@from_email.setter
def from_email(self, value):
self._from_email = value
def set_from(self, email):
self._from_email = email.get()
@property
def ccs(self):
"""A list of recipients who will receive copies of this email.
:rtype: list(dict)
"""
return self._get_unique_recipients(self._ccs)
@ccs.setter
def ccs(self, value):
self._ccs = value
def add_cc(self, email):
"""Add a single recipient to receive a copy of this email.
:param email: new recipient to be CCed
:type email: Email
"""
self._ccs.append(email.get())
@property
def bccs(self):
"""A list of recipients who will receive blind carbon copies of this email.
:rtype: list(dict)
"""
return self._get_unique_recipients(self._bccs)
@bccs.setter
def bccs(self, value):
self._bccs = value
def add_bcc(self, email):
"""Add a single recipient to receive a blind carbon copy of this email.
:param email: new recipient to be BCCed
:type email: Email
"""
self._bccs.append(email.get())
@property
def subject(self):
"""The subject of your email (within this Personalization).
Char length requirements, according to the RFC:
https://stackoverflow.com/a/1592310
:rtype: string
"""
return self._subject
@subject.setter
def subject(self, value):
self._subject = value
@property
def headers(self):
"""The headers for emails in this Personalization.
:rtype: list(dict)
"""
return self._headers
@headers.setter
def headers(self, value):
self._headers = value
def add_header(self, header):
"""Add a single Header to this Personalization.
:type header: Header
"""
self._headers.append(header.get())
@property
def substitutions(self):
"""Substitutions to be applied within this Personalization.
:rtype: list(dict)
"""
return self._substitutions
@substitutions.setter
def substitutions(self, value):
self._substitutions = value
def add_substitution(self, substitution):
"""Add a new Substitution to this Personalization.
:type substitution: Substitution
"""
if not isinstance(substitution, dict):
substitution = substitution.get()
self._substitutions.append(substitution)
@property
def custom_args(self):
"""The CustomArgs that will be carried along with this Personalization.
:rtype: list(dict)
"""
return self._custom_args
@custom_args.setter
def custom_args(self, value):
self._custom_args = value
def add_custom_arg(self, custom_arg):
"""Add a CustomArg to this Personalization.
:type custom_arg: CustomArg
"""
self._custom_args.append(custom_arg.get())
@property
def send_at(self):
"""A unix timestamp allowing you to specify when you want emails from
this Personalization to be delivered. Scheduling more than 72 hours in
advance is forbidden.
:rtype: int
"""
return self._send_at
@send_at.setter
def send_at(self, value):
self._send_at = value
@property
def dynamic_template_data(self):
"""Data for dynamic transactional template.
Should be JSON-serializable structure.
:rtype: JSON-serializable structure
"""
return self._dynamic_template_data
@dynamic_template_data.setter
def dynamic_template_data(self, value):
if not isinstance(value, dict):
value = value.get()
self._dynamic_template_data = value
def get(self):
"""
Get a JSON-ready representation of this Personalization.
:returns: This Personalization, ready for use in a request body.
:rtype: dict
"""
personalization = {}
for key in ['tos', 'ccs', 'bccs']:
value = getattr(self, key)
if value:
personalization[key[:-1]] = value
from_value = getattr(self, 'from_email')
if from_value:
personalization['from'] = from_value
for key in ['subject', 'send_at', 'dynamic_template_data']:
value = getattr(self, key)
if value:
personalization[key] = value
for prop_name in ['headers', 'substitutions', 'custom_args']:
prop = getattr(self, prop_name)
if prop:
obj = {}
for key in prop:
obj.update(key)
personalization[prop_name] = obj
return personalization
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