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changedetection.io/changedetectionio/notification.py

108 lines
3.6 KiB

import apprise
from apprise import NotifyFormat
valid_tokens = {
'base_url': '',
'watch_url': '',
'watch_uuid': '',
'watch_title': '',
'watch_tag': '',
'diff': '',
'diff_full': '',
'diff_url': '',
'preview_url': '',
'current_snapshot': ''
}
valid_notification_formats = {
'Text': NotifyFormat.TEXT,
'Markdown': NotifyFormat.MARKDOWN,
'HTML': NotifyFormat.HTML,
}
default_notification_format = 'Text'
default_notification_body = '{watch_url} had a change.\n---\n{diff}\n---\n'
default_notification_title = 'ChangeDetection.io Notification - {watch_url}'
def process_notification(n_object, datastore):
import logging
log = logging.getLogger('apprise')
log.setLevel('TRACE')
apobj = apprise.Apprise(debug=True)
for url in n_object['notification_urls']:
url = url.strip()
print (">> Process Notification: AppRise notifying {}".format(url))
apobj.add(url)
# Get the notification body from datastore
n_body = n_object.get('notification_body', default_notification_body)
n_title = n_object.get('notification_title', default_notification_title)
n_format = valid_notification_formats.get(
n_object['notification_format'],
valid_notification_formats[default_notification_format],
)
# Insert variables into the notification content
notification_parameters = create_notification_parameters(n_object, datastore)
for n_k in notification_parameters:
token = '{' + n_k + '}'
val = notification_parameters[n_k]
n_title = n_title.replace(token, val)
n_body = n_body.replace(token, val)
apobj.notify(
body=n_body,
title=n_title,
body_format=n_format,
)
# Notification title + body content parameters get created here.
def create_notification_parameters(n_object, datastore):
from copy import deepcopy
# in the case we send a test notification from the main settings, there is no UUID.
uuid = n_object['uuid'] if 'uuid' in n_object else ''
if uuid != '':
watch_title = datastore.data['watching'][uuid]['title']
watch_tag = datastore.data['watching'][uuid]['tag']
else:
watch_title = 'Change Detection'
watch_tag = ''
# Create URLs to customise the notification with
base_url = datastore.data['settings']['application']['base_url']
watch_url = n_object['watch_url']
# Re #148 - Some people have just {base_url} in the body or title, but this may break some notification services
# like 'Join', so it's always best to atleast set something obvious so that they are not broken.
if base_url == '':
base_url = "<base-url-env-var-not-set>"
diff_url = "{}/diff/{}".format(base_url, uuid)
preview_url = "{}/preview/{}".format(base_url, uuid)
# Not sure deepcopy is needed here, but why not
tokens = deepcopy(valid_tokens)
# Valid_tokens also used as a field validator
tokens.update(
{
'base_url': base_url if base_url is not None else '',
'watch_url': watch_url,
'watch_uuid': uuid,
'watch_title': watch_title if watch_title is not None else '',
'watch_tag': watch_tag if watch_tag is not None else '',
'diff_url': diff_url,
'diff': n_object.get('diff', ''), # Null default in the case we use a test
'diff_full': n_object.get('diff_full', ''), # Null default in the case we use a test
'preview_url': preview_url,
'current_snapshot': n_object['current_snapshot'] if 'current_snapshot' in n_object else ''
})
return tokens