Add celery task maillogging

app/__init__.py

@@ -57,8 +57,8 @@ sass(app)
 
 
 if not app.debug and app.config["MAIL_UTILS_ERROR_SEND_TO"]:
-	from .maillogger import register_mail_error_handler
-	register_mail_error_handler(app, mail)
+	from .maillogger import build_handler
+	app.logger.addHandler(build_handler(app))
 
 
 from .markdown import init_app
@@ -68,7 +68,7 @@ init_app(app)
 # def get_locale():
 # 	return request.accept_languages.best_match(app.config['LANGUAGES'].keys())
 
-from . import models, tasks, template_filters
+from . import models, template_filters
 
 @login_manager.user_loader
 def load_user(user_id):

app/maillogger.py

@@ -36,10 +36,9 @@ class FlaskMailTextFormatter(logging.Formatter):
 	pass
 
 class FlaskMailHTMLFormatter(logging.Formatter):
-	pre_template = "<h1>%s</h1><pre>%s</pre>"
 	def formatException(self, exc_info):
 		formatted_exception = logging.Handler.formatException(self, exc_info)
-		return FlaskMailHTMLFormatter.pre_template % ("Exception information", formatted_exception)
+		return "<pre>%s</pre>" % formatted_exception
 	def formatStack(self, stack_info):
 		return "<pre>%s</pre>" % stack_info
 
@@ -47,66 +46,46 @@ class FlaskMailHTMLFormatter(logging.Formatter):
 # see: https://github.com/python/cpython/blob/3.6/Lib/logging/__init__.py (class Handler)
 
 class FlaskMailHandler(logging.Handler):
-	def __init__(self, mailer, subject_template, level=logging.NOTSET):
+	def __init__(self, send_to, subject_template, level=logging.NOTSET):
 		logging.Handler.__init__(self, level)
-		self.mailer = mailer
-		self.send_to = mailer.app.config["MAIL_UTILS_ERROR_SEND_TO"]
+		self.send_to = send_to
 		self.subject_template = subject_template
-		self.html_formatter = None
 
-	def setFormatter(self, text_fmt, html_fmt=None):
+	def setFormatter(self, text_fmt):
 		"""
 		Set the formatters for this handler. Provide at least one formatter.
 		When no text_fmt is provided, no text-part is created for the email body.
 		"""
-		assert (text_fmt, html_fmt) != (None, None), "At least one formatter should be provided"
+		assert text_fmt != None, "At least one formatter should be provided"
 		if type(text_fmt)==str:
 			text_fmt = FlaskMailTextFormatter(text_fmt)
 		self.formatter = text_fmt
-		if type(html_fmt)==str:
-			html_fmt = FlaskMailHTMLFormatter(html_fmt)
-		self.html_formatter = html_fmt
 
 	def getSubject(self, record):
 		fmt = FlaskMailSubjectFormatter(self.subject_template)
 		subject = fmt.format(record)
 		# Since templates can cause header problems, and we rather have a incomplete email then an error, we fix this
 		if _is_bad_subject(subject):
-			subject="FlaskMailHandler log-entry from %s [original subject is replaced, because it would result in a bad header]" % self.mailer.app.name
+			subject="FlaskMailHandler log-entry from ContentDB [original subject is replaced, because it would result in a bad header]"
 		return subject
 
 	def emit(self, record):
-		record.stack_info = record.exc_text
-		record.exc_text = None
-		record.exc_info = None
-
 		text = self.format(record)				if self.formatter	  else None
-		html = self.html_formatter.format(record) if self.html_formatter else None
+		html = "<pre>{}</pre>".format(text)
 		for email in self.send_to:
 			send_user_email.delay(email, self.getSubject(record), text, html)
 
 
-def register_mail_error_handler(app, mailer):
+def build_handler(app):
 	subject_template = "ContentDB %(message)s (%(module)s > %(funcName)s)"
-	text_template = """
-Message type: %(levelname)s
-Location:	 %(pathname)s:%(lineno)d
-Module:	   %(module)s
-Function:	 %(funcName)s
-Time:		 %(asctime)s
-Message:
-%(message)s"""
-	html_template = """
-<style>th { text-align: right}</style><table>
-<tr><th>Message type:</th><td>%(levelname)s</td></tr>
-<tr>	<th>Location:</th><td>%(pathname)s:%(lineno)d</td></tr>
-<tr>	  <th>Module:</th><td>%(module)s</td></tr>
-<tr>	<th>Function:</th><td>%(funcName)s</td></tr>
-<tr>		<th>Time:</th><td>%(asctime)s</td></tr>
-</table>
-<h2>%(message)s</h2>"""
+	text_template = ("Message type: %(levelname)s\n"
+		"Location: %(pathname)s:%(lineno)d\n"
+		"Module:   %(module)s\n"
+		"Function: %(funcName)s\n"
+		"Time:     %(asctime)s\n"
+		"Message: %(message)s\n\n")
 
-	mail_handler = FlaskMailHandler(mailer, subject_template)
+	mail_handler = FlaskMailHandler(app.config["MAIL_UTILS_ERROR_SEND_TO"], subject_template)
 	mail_handler.setLevel(logging.ERROR)
-	mail_handler.setFormatter(text_template, html_template)
-	app.logger.addHandler(mail_handler)
+	mail_handler.setFormatter(text_template)
+	return mail_handler

app/tasks/__init__.py

@@ -13,12 +13,13 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
+from logging import Filter
 
 import flask
-from celery import Celery
+from celery import Celery, signals
 from celery.schedules import crontab
-from app.models import *
+from app import app
+
 
 class TaskError(Exception):
 	def __init__(self, value):
@@ -35,18 +36,18 @@ class FlaskCelery(Celery):
 			self.init_app(kwargs['app'])
 
 	def patch_task(self):
-		TaskBase = self.Task
+		BaseTask : celery.Task = self.Task
 		_celery = self
 
-		class ContextTask(TaskBase):
+		class ContextTask(BaseTask):
 			abstract = True
 
 			def __call__(self, *args, **kwargs):
 				if flask.has_app_context():
-					return TaskBase.__call__(self, *args, **kwargs)
+					return super(BaseTask, self).__call__(*args, **kwargs)
 				else:
 					with _celery.app.app_context():
-						return TaskBase.__call__(self, *args, **kwargs)
+						return super(BaseTask, self).__call__(*args, **kwargs)
 
 		self.Task = ContextTask
 
@@ -83,4 +84,24 @@ CELERYBEAT_SCHEDULE = {
 }
 celery.conf.beat_schedule = CELERYBEAT_SCHEDULE
 
-from . import importtasks, forumtasks, emails, pkgtasks
+from . import importtasks, forumtasks, emails, pkgtasks, celery
+
+
+# noinspection PyUnusedLocal
+@signals.after_setup_logger.connect
+def on_after_setup_logger(**kwargs):
+	from app.maillogger import build_handler
+
+	class ExceptionFilter(Filter):
+		def filter(self, record):
+			if record.exc_info:
+				exc, _, _ = record.exc_info
+				if exc == TaskError:
+					return False
+
+			return True
+
+	logger = celery.log.get_default_logger()
+	handler = build_handler(app)
+	handler.addFilter(ExceptionFilter())
+	logger.addHandler(handler)

app/templates/packages/screenshots.html

@@ -66,7 +66,7 @@
 {% endblock %}
 
 {% block scriptextra %}
-	<script src="/static/jquery-ui.min.js"></script>
+	<script src="/static/jquery-ui.min.js?v=2"></script>
 	<script>
 		function update() {
 			const elements = Array.from(document.getElementsByClassName("sortable")[0].children);