Attempt to start from udev.

.gitignore

@@ -1,4 +1,5 @@
 debian/tmp/
+debian/debhelper-build-stamp
 debian/python3-validity/
 debian/python3-validity.substvars
 debian/python3-validity.prerm.debhelper

dbus_service/50-python-validity.rules

@@ -1,4 +0,0 @@
-# TODO me
-
-ACTION=="add", SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTRS{idVendor}=="138a", ATTRS{idProduct}=="0097", TAG+="systemd", ENV{SYSTEMD_WANTS}+="python-validity@usb-$env{BUSNUM}-$env{DEVNUM}.service"
-

dbus_service/dbus-service

@@ -5,6 +5,7 @@ import re
 import dbus
 import dbus.mainloop.glib
 import dbus.service
+from binascii import hexlify, unhexlify
 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
 from gi.repository import GObject, GLib
 import logging
@@ -147,6 +148,12 @@ class Device(dbus.service.Object):
     def EnrollStatus(self, result, done):
         logging.debug('EnrollStatus')
 
+    @dbus.service.method(dbus_interface=INTERFACE_NAME,
+                         in_signature='s',
+                         out_signature='s')
+    def RunCmd(self, cmd):
+        logging.debug('RunCmd')
+        return hexlify(tls.app(unhexlify(cmd))).decode()
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser('Open fprintd DBus service')

dbus_service/python-validity@.service

@@ -1,12 +0,0 @@
-# TODO me
-
-[Unit]
-Description=python-validity driver dbus service for %I
-
-[Service]
-Type=simple
-ExecStart=/usr/lib/python-validity/dbus-service %i
-Restart=no
-
-#[Install]
-#WantedBy=multi-user.target

debian/compat

@@ -1 +1 @@
-9
+11

debian/control

@@ -2,12 +2,12 @@ Source: python-validity
 Section: misc
 Priority: optional
 Maintainer: uunicorn <viktor.dragomiretskyy@gmail.com>
-Build-Depends: debhelper (>= 7.0.50~), 
+Build-Depends: debhelper (>= 11~), 
  dh-python, 
  python3-all, 
  python3-setuptools
 X-Python3-Version: >= 3.6
-Standards-Version: 3.9.2
+Standards-Version: 4.1.4
 
 Package: python3-validity
 Architecture: all

debian/python3-validity.postinst

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+#DEBHELPER#
+
+if [ "$1" = "configure" ]; then
+    systemctl daemon-reload || true
+    udevadm control --reload-rules || true
+    udevadm trigger || true
+fi
+

debian/python3-validity.prerm

@@ -0,0 +1,12 @@
+#! /bin/sh
+
+set -e
+
+# Stop the socket on remove so syslog-ng is not restarted via socket activation
+if [ -x "/usr/bin/deb-systemd-invoke" ] && [ "$1" = remove ]; then
+    deb-systemd-invoke stop 'python3-validity@*' || true
+fi
+
+#DEBHELPER#
+
+exit 0

debian/python3-validity.udev

@@ -0,0 +1,19 @@
+SUBSYSTEM!="usb", GOTO="python_validity_end"
+ENV{DEVTYPE}!="usb_device", GOTO="python_validity_end"
+
+ATTRS{idVendor}=="138a", ATTRS{idProduct}=="0090", GOTO="python_validity_match"
+ATTRS{idVendor}=="138a", ATTRS{idProduct}=="0097", GOTO="python_validity_match"
+ATTRS{idVendor}=="06cb", ATTRS{idProduct}=="009a", GOTO="python_validity_match"
+
+GOTO="python_validity_end"
+
+LABEL="python_validity_match"
+
+#TAG+="validity"
+
+ACTION=="add|change", RUN+="/bin/systemctl --no-block start python3-validity@usb-$env{BUSNUM}-$env{DEVNUM}.service"
+ACTION=="remove", RUN+="/bin/systemctl --no-block stop python3-validity@usb-$env{BUSNUM}-$env{DEVNUM}.service"
+# TODO: Figure out why the following is not working properly instead:
+#TAG+="systemd", ENV{SYSTEMD_WANTS}+="python3-validity@usb-$env{BUSNUM}-$env{DEVNUM}.service"
+
+LABEL="python_validity_end"

debian/python3-validity@.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=python-validity driver dbus service for %I
+#StopWhenUnneeded=true
+
+[Service]
+Type=simple
+ExecStart=/usr/lib/python-validity/dbus-service --devpath %i
+Restart=no
+

debian/rules

@@ -5,6 +5,10 @@
 %:
 	dh $@ --with python3 --buildsystem=pybuild
 
+override_dh_installsystemd:
+	dh_installsystemd
+
+
 override_dh_auto_install:
 	python3 ./setup.py install --root=$(CURDIR)/debian/tmp --prefix=/usr --install-layout=deb
 

scripts/dbus-cmd.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+import argparse
+import re
+import dbus
+import dbus.mainloop.glib
+dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+from gi.repository import GObject, GLib
+import sys
+
+bus = dbus.SystemBus()
+o = bus.get_object('net.reactivated.Fprint', '/net/reactivated/Fprint/Manager', introspect=False)
+o = o.GetDefaultDevice()
+o = bus.get_object('net.reactivated.Fprint', o, introspect=False)
+o = dbus.Interface(o, 'net.reactivated.Fprint.Device')
+print(o.RunCmd(sys.argv[1]))

scripts/lsdbus.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import argparse
+import re
+import dbus
+import dbus.mainloop.glib
+dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+from gi.repository import GObject, GLib
+
+import pwd
+
+bus = dbus.SystemBus()
+o = bus.get_object('org.freedesktop.DBus', '/org/freedesktop/DBus')
+o = dbus.Interface(o, 'org.freedesktop.DBus')
+ls = o.ListNames()
+for n in ls:
+    if n[0] != ':':
+        continue
+    
+    pid = o.GetConnectionUnixProcessID(n)
+
+    with open('/proc/%d/cmdline' % pid) as f:
+        s=f.read()
+        s=s.split('\0')
+        print('%-10s %-5d %s' % (n, pid, ' '.join(s)))

setup.py

@@ -15,8 +15,14 @@ setup(name='python-validity',
         'pyusb >= 1.0.2'
     ],
     data_files=[
-        ('share/python-validity/playground/', ['factory-reset.py', 'pair.py', 'prototype.py']),
         ('share/dbus-1/system.d/', ['dbus_service/io.github.uunicorn.Fprint.conf']),
         ('lib/python-validity/', ['dbus_service/dbus-service']),
+        ('share/python-validity/playground/', [
+            'scripts/dbus-cmd.py', 
+            'scripts/lsdbus.py', 
+            'scripts/factory-reset.py', 
+            'scripts/pair.py', 
+            'scripts/prototype.py'
+        ]),
     ]
 )