airflow email 源码
airflow email 代码
文件路径：/airflow/operators/email.py
#
# 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 typing import Any, Sequence
from airflow.models import BaseOperator
from airflow.utils.context import Context
from airflow.utils.email import send_email
class EmailOperator(BaseOperator):
"""
Sends an email.
:param to: list of emails to send the email to. (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
:param bcc: list of recipients to be added in BCC field
: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.
"""
template_fields: Sequence[str] = ('to', 'subject', 'html_content', 'files')
template_fields_renderers = {"html_content": "html"}
template_ext: Sequence[str] = ('.html',)
ui_color = '#e6faf9'
def __init__(
self,
*,
to: list[str] | str,
subject: str,
html_content: str,
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 | None = None,
custom_headers: dict[str, Any] | None = None,
**kwargs,
) -> None:
super().__init__(**kwargs)
self.to = to
self.subject = subject
self.html_content = html_content
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
def execute(self, context: Context):
send_email(
self.to,
self.subject,
self.html_content,
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,
)
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