afew is too complex after all

config/afew/config

@@ -1,31 +0,0 @@
-[FolderNameFilter]
-folder_blacklist = Inbox Sent Drafts Trash
-maildir_separator = /
-
-[SpamFilter]
-[KnownSpammers]
-
-[TagOrContact.1]
-query = tag:posteo
-
-[Filter.1]
-message = Tag messages to my Zeus account
-query = to:felixvdj@zeus.ugent.be
-tags = +zeus
-
-[Filter.2]
-message = The Dodona alias
-query = to:dodona@ugent.be
-tags = +dodona
-
-[Filter.3]
-message = The Unipept alias
-query = to:unipept@ugent.be
-tags = +unipept
-
-[Filter.4]
-query = tag:dodona and subject:'Onderwijsinstelling aangemaakt voor .*'
-tags = -new
-
-[ListMailsFilter]
-[InboxFilter]

config/afew/only_contacts.py

@@ -1,33 +0,0 @@
-from afew.filters.BaseFilter import Filter
-from afew.FilterRegistry import register_filter
-
-from khard.config import Config
-
-import re
-
-@register_filter
-class TagOrContact(Filter):
-	message = 'Allow only tagged messages from non-contacts'
-	user = None
-	domain = None
-
-	def __init__(self, database, **kwargs):
-		super(TagOrContact, self).__init__(database, **kwargs)
-		self._extract_tag_re = re.compile(f'[^+]+(\+(?P<tag>[^@]+))?@[^@]+')
-		self._bare_email_re = re.compile(r'[^<]*<(?P<email>[^@<>]+@[^@<>]+)>')
-		self._contactbook = Config().abook
-
-	def handle_message(self, message):
-		recipient = message.get_header('Delivered-To')
-		match = self._extract_tag_re.fullmatch(recipient)
-		if match is None: return # wrong email
-
-		if match.group('tag'):
-			self.add_tags(message, match['tag'])
-		else:
-			sender = message.get_header('From')
-			if '<' in sender: sender = self._bare_email_re.fullmatch(sender)['email']
-			if self._contactbook.search(sender):
-				self.add_tags(message, 'contact')
-			else:
-				self.add_tags(message, 'killed')

notmuch-hooks/blacklist

@@ -1,7 +1,4 @@
-from afew.filters.BaseFilter import Filter
-from afew.FilterRegistry import register_filter
-
-spammers = """
+bio-congress.com
 golbalpublication.online
 all.bg
 vodokanal.poltava.ua
@@ -155,15 +152,3 @@ oap-journals.com
 frontiermeetings.com
 submitresearch.online
 editor.factor21@daum.net
-"""
-
-@register_filter
-class KnownSpammers(Filter):
-
-	def __init__(self, database, **kwargs):
-		super(KnownSpammers, self).__init__(database, **kwargs)
-		self.query = ' or '.join(f'from:{s}' for s in spammers.split('\n') if s)
-
-	def handle_message(self, message):
-		self.add_tags(message, 'spam')
-		self.remove_tags(message, 'new')

notmuch-hooks/post-new

@@ -1,4 +1,61 @@
 #!/bin/sh
 
-afew --tag --new
-notmuch search tag:unread | cut -d' ' --complement -f1 | xargs -0 --no-run-if-empty notify-send
+addtag() { notmuch tag +"$1" -- "tag:new and ($2) and not tag:$1"; }
+archive() { notmuch tag -new -unread -- "$@" and tag:new; }
+spam() { notmuch tag -new -unread +spam -- "$@" and '(' tag:new or tag:unread or not tag:spam ')'; }
+
+# Tag mails by their origin (top-level maildir)
+for maildir in /data/mail/*; do
+	origin="$(basename "$maildir")"
+	addtag "$origin" "folder:/$origin/"
+done
+
+# Spam
+spam "subject:/^\[SPAM\]/"
+# TODO: Known spammers
+
+# Some aliases
+addtag zeus "to:felixvdj@zeus.ugent.be"
+addtag dodona "to:dodona@ugent.be"
+addtag unipept "to:unipept@ugent.be"
+
+# More complex tagging
+for mid in $(notmuch search --output=messages tag:new); do
+
+	tag=false
+
+	# +-tags become actual tags
+	for tag in $(notmuch show --format=raw "$mid" | sed -n '/^\tfor/s/.*<[^>]*+\([^@]*\)@.*>.*/\1/p' | sort | uniq); do
+		addtag "$tag" "$mid"
+		tag=true
+	done
+
+	# messages from contacts get a contact tag
+	for sender in $(notmuch address --output=sender --output=address "$mid"); do
+		if khard list "$sender" > /dev/null 2>&1; then
+			addtag contact "$mid"
+			tag=true
+		fi
+	done
+
+	# mails to posteo must have a tag
+	if ! "$tag"; then
+		addtag killed "$mid and tag:posteo"
+	fi
+
+	# list ids
+	for list in $(notmuch show --format=raw "$mid" | sed -n '/^List-Id:/,/^\w/p' | sed '$d' | tr '\n' ' ' | sed 's/[^<]*<// ; s/\..*//'); do
+		addtag "lists" "$mid"
+		addtag "lists/$list" "$mid"
+	done
+done
+
+# Uninteresting
+archive tag:dodona and subject:'Onderwijsinstelling aangemaakt voor .*'
+
+# Notify about new messages
+notmuch search tag:new | cut -d' ' --complement -f1 | xargs -0 --no-run-if-empty notify-send
+
+# Inbox remaining not-spam
+addtag inbox "not tag:spam"
+notmuch tag -new -- tag:new