Source code for airflow.providers.smtp.operators.smtp

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.
from __future__ import annotations

from collections.abc import Sequence
from typing import TYPE_CHECKING, Any

from airflow.models import BaseOperator
from airflow.providers.smtp.hooks.smtp import SmtpHook

if TYPE_CHECKING:
    from airflow.utils.context import Context


[docs]class EmailOperator(BaseOperator):
    """
    Sends an email.

    :param to: list of emails to send the email to. (templated)
    :param from_email: email to send from. (templated)
    :param subject: subject line for the email. (templated)
    :param html_content: content of the email, html markup
        is allowed. (templated)
    :param files: file names to attach in email (templated)
    :param cc: list of recipients to be added in CC field (templated)
    :param bcc: list of recipients to be added in BCC field (templated)
    :param mime_subtype: MIME sub content type
    :param mime_charset: character set parameter added to the Content-Type
        header.
    :param custom_headers: additional headers to add to the MIME message.
    """

[docs]    template_fields: Sequence[str] = ("to", "from_email", "subject", "html_content", "files", "cc", "bcc")
[docs]    template_fields_renderers = {"html_content": "html"}
[docs]    template_ext: Sequence[str] = (".html",)
[docs]    ui_color = "#e6faf9"

    def __init__(
        self,
        *,
        to: list[str] | str,
        subject: str,
        html_content: str,
        from_email: str | None = None,
        files: list | None = None,
        cc: list[str] | str | None = None,
        bcc: list[str] | str | None = None,
        mime_subtype: str = "mixed",
        mime_charset: str = "utf-8",
        conn_id: str = "smtp_default",
        custom_headers: dict[str, Any] | None = None,
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self.to = to
        self.subject = subject
        self.html_content = html_content
        self.from_email = from_email
        self.files = files or []
        self.cc = cc
        self.bcc = bcc
        self.mime_subtype = mime_subtype
        self.mime_charset = mime_charset
        self.conn_id = conn_id
        self.custom_headers = custom_headers

[docs]    def execute(self, context: Context):
        with SmtpHook(smtp_conn_id=self.conn_id) as smtp_hook:
            return smtp_hook.send_email_smtp(
                to=self.to,
                subject=self.subject,
                html_content=self.html_content,
                from_email=self.from_email,
                files=self.files,
                cc=self.cc,
                bcc=self.bcc,
                mime_subtype=self.mime_subtype,
                mime_charset=self.mime_charset,
                conn_id=self.conn_id,
                custom_headers=self.custom_headers,
            )