ralt · July 6, 2019 22:27 · Jul 6, 2019 · Jul 6, 2019 · Jul 6, 2019 · Jul 6, 2019
diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -52,7 +52,7 @@ gevent.monkey.patch_all()
 import subprocess
 import time
 
-import gevent.pool
+import gevent
 
 
 def _refresh(device):

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -14,7 +14,7 @@
 # out how. Apparently I need to register to 2 or 3 bug trackers? I may
 # just be dense.
 
-# To be able to run this fix, you need: bluez (which provides the
+# To be able to run this hack, you need: bluez (which provides the
 # bluetoothctl binary) and python3-gevent.
 
 # Source: https://gist.github.com/ralt/b25095dcc1be680e581a9a53f2edcb43

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -23,8 +23,8 @@
 set -e
 
 # Start with checking the requirements.
-python3 -c 'import gevent'
-which bluetoothctl
+python3 -c 'import gevent' &> /dev/null || echo 'You need python3-gevent' && exit 1
+which bluetoothctl &> /dev/null || echo 'You need bluez (for bluetoothctl)' && exit 1
 
 # And now the fun begins.
 cd ~

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -22,7 +22,7 @@
 
 set -e
 
-# Start with checking the requirements:
+# Start with checking the requirements.
 python3 -c 'import gevent'
 which bluetoothctl
 

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -26,8 +26,10 @@ set -e
 python3 -c 'import gevent'
 which bluetoothctl
 
+# And now the fun begins.
 cd ~
 
+# Create a systemd user service for our hack.
 cat > .config/systemd/user/fix-bluetooth.service <<EOF
 [Unit]
 Description=Fix bluetooth
@@ -39,6 +41,7 @@ ExecStart=/home/$USER/bin/fix-bluetooth
 WantedBy=default.target
 EOF
 
+# Now put the hack in the ~/bin folder.
 mkdir -p bin
 cat > bin/fix-bluetooth <<EOF
 #!/usr/bin/env python3
@@ -94,7 +97,9 @@ if __name__ == "__main__":
         time.sleep(60)
 EOF
 
+# Don't forget this or you look stupid.
 chmod +x bin/fix-bluetooth
 
+# Finally, enable and start our systemd user service.
 systemctl --user enable fix-bluetooth
 systemctl --user start fix-bluetooth
diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -22,6 +22,10 @@
 
 set -e
 
+# Start with checking the requirements:
+python3 -c 'import gevent'
+which bluetoothctl
+
 cd ~
 
 cat > .config/systemd/user/fix-bluetooth.service <<EOF

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -18,7 +18,7 @@
 # bluetoothctl binary) and python3-gevent.
 
 # Source: https://gist.github.com/ralt/b25095dcc1be680e581a9a53f2edcb43
-# License: WTFPL (is that even needed for such a small amount of code?)
+# License: MIT (is that even needed for such a small amount of code?)
 
 set -e
 

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -18,7 +18,7 @@
 # bluetoothctl binary) and python3-gevent.
 
 # Source: https://gist.github.com/ralt/b25095dcc1be680e581a9a53f2edcb43
-# License: WTFPL
+# License: WTFPL (is that even needed for such a small amount of code?)
 
 set -e
 

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -17,6 +17,9 @@
 # To be able to run this fix, you need: bluez (which provides the
 # bluetoothctl binary) and python3-gevent.
 
+# Source: https://gist.github.com/ralt/b25095dcc1be680e581a9a53f2edcb43
+# License: WTFPL
+
 set -e
 
 cd ~

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -19,6 +19,8 @@
 
 set -e
 
+cd ~
+
 cat > .config/systemd/user/fix-bluetooth.service <<EOF
 [Unit]
 Description=Fix bluetooth

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -17,6 +17,8 @@
 # To be able to run this fix, you need: bluez (which provides the
 # bluetoothctl binary) and python3-gevent.
 
+set -e
+
 cat > .config/systemd/user/fix-bluetooth.service <<EOF
 [Unit]
 Description=Fix bluetooth

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -28,6 +28,7 @@ ExecStart=/home/$USER/bin/fix-bluetooth
 WantedBy=default.target
 EOF
 
+mkdir -p bin
 cat > bin/fix-bluetooth <<EOF
 #!/usr/bin/env python3
 

diff --git a/install-bluetooth.sh b/install-bluetooth.sh
@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 
-# This shell script setups bluetooth to be flawless.
+# This shell script setups bluetooth to be flawless in gnome shell.
 # Devices are now instantly connected when they're near the laptop.
+# (It probably works as a service for random WMs too.)
 
 # The issue is essentially that gnome-bluetooth is issuing the wrong
 # dbus calls to connect the device immediately; org.bluez gets EAGAIN

diff --git a/gistfile1.sh → install-bluetooth.sh b/gistfile1.sh → install-bluetooth.sh
@@ -1,4 +1,6 @@
-# This shell scripts setups bluetooth to be flawless.
+#!/usr/bin/env bash
+
+# This shell script setups bluetooth to be flawless.
 # Devices are now instantly connected when they're near the laptop.
 
 # The issue is essentially that gnome-bluetooth is issuing the wrong

diff --git a/gistfile1.sh b/gistfile1.sh
@@ -1,4 +1,4 @@
-# This shell session explains how to setup bluetooth to be flawless.
+# This shell scripts setups bluetooth to be flawless.
 # Devices are now instantly connected when they're near the laptop.
 
 # The issue is essentially that gnome-bluetooth is issuing the wrong
@@ -14,17 +14,18 @@
 # To be able to run this fix, you need: bluez (which provides the
 # bluetoothctl binary) and python3-gevent.
 
-ralt@zap:~/ -> cat > .config/systemd/user/fix-bluetooth.service <<EOF
+cat > .config/systemd/user/fix-bluetooth.service <<EOF
 [Unit]
 Description=Fix bluetooth
 
 [Service]
-ExecStart=/home/ralt/bin/fix-bluetooth
+ExecStart=/home/$USER/bin/fix-bluetooth
 
 [Install]
 WantedBy=default.target
 EOF
-ralt@zap:~/ -> cat > bin/fix-bluetooth <<EOF
+
+cat > bin/fix-bluetooth <<EOF
 #!/usr/bin/env python3
 
 import gevent.monkey
@@ -77,7 +78,8 @@ if __name__ == "__main__":
 
         time.sleep(60)
 EOF
-ralt@zap:~/ -> chmod +x bin/fix-bluetooth
-ralt@zap:~/ -> systemctl --user enable fix-bluetooth
-Created symlink /home/ralt/.config/systemd/user/default.target.wants/fix-bluetooth.service → /home/ralt/.config/systemd/user/fix-bluetooth.service.
-ralt@zap:~/ -> systemctl --user start fix-bluetooth
+
+chmod +x bin/fix-bluetooth
+
+systemctl --user enable fix-bluetooth
+systemctl --user start fix-bluetooth
diff --git a/gistfile1.sh b/gistfile1.sh
@@ -14,7 +14,7 @@
 # To be able to run this fix, you need: bluez (which provides the
 # bluetoothctl binary) and python3-gevent.
 
-ralt@zap:~/ -> cat .config/systemd/user/fix-bluetooth.service 
+ralt@zap:~/ -> cat > .config/systemd/user/fix-bluetooth.service <<EOF
 [Unit]
 Description=Fix bluetooth
 
@@ -23,7 +23,8 @@ ExecStart=/home/ralt/bin/fix-bluetooth
 
 [Install]
 WantedBy=default.target
-ralt@zap:~/ -> cat bin/fix-bluetooth 
+EOF
+ralt@zap:~/ -> cat > bin/fix-bluetooth <<EOF
 #!/usr/bin/env python3
 
 import gevent.monkey
@@ -75,6 +76,8 @@ if __name__ == "__main__":
             del refreshers[device]
 
         time.sleep(60)
-ralt@zap:~/.config/systemd/user/ -> systemctl --user enable fix-bluetooth
+EOF
+ralt@zap:~/ -> chmod +x bin/fix-bluetooth
+ralt@zap:~/ -> systemctl --user enable fix-bluetooth
 Created symlink /home/ralt/.config/systemd/user/default.target.wants/fix-bluetooth.service → /home/ralt/.config/systemd/user/fix-bluetooth.service.
-ralt@zap:~/.config/systemd/user/ -> systemctl --user start fix-bluetooth
+ralt@zap:~/ -> systemctl --user start fix-bluetooth
diff --git a/gistfile1.sh b/gistfile1.sh
@@ -9,7 +9,7 @@
 # meantime, this hack lets me have a seamless bluetooth experience.
 # PS: I tried to report the bug to gnome-bluetooth but haven't figured
 # out how. Apparently I need to register to 2 or 3 bug trackers? I may
-# be just dense.
+# just be dense.
 
 # To be able to run this fix, you need: bluez (which provides the
 # bluetoothctl binary) and python3-gevent.

diff --git a/gistfile1.sh b/gistfile1.sh
@@ -11,7 +11,8 @@
 # out how. Apparently I need to register to 2 or 3 bug trackers? I may
 # be just dense.
 
-# To be able to run this fix, you need: bluetoothctl and python3-gevent.
+# To be able to run this fix, you need: bluez (which provides the
+# bluetoothctl binary) and python3-gevent.
 
 ralt@zap:~/ -> cat .config/systemd/user/fix-bluetooth.service 
 [Unit]

diff --git a/gistfile1.sh b/gistfile1.sh
@@ -11,6 +11,8 @@
 # out how. Apparently I need to register to 2 or 3 bug trackers? I may
 # be just dense.
 
+# To be able to run this fix, you need: bluetoothctl and python3-gevent.
+
 ralt@zap:~/ -> cat .config/systemd/user/fix-bluetooth.service 
 [Unit]
 Description=Fix bluetooth

diff --git a/gistfile1.sh b/gistfile1.sh
@@ -1,5 +1,6 @@
 # This shell session explains how to setup bluetooth to be flawless.
-# Devices are immediately connecting when they're near the laptop.
+# Devices are now instantly connected when they're near the laptop.
+
 # The issue is essentially that gnome-bluetooth is issuing the wrong
 # dbus calls to connect the device immediately; org.bluez gets EAGAIN
 # from the kernel when it processes gnome-bluetooth dbus calls (until

diff --git a/gistfile1.sh b/gistfile1.sh
@@ -2,10 +2,10 @@
 # Devices are immediately connecting when they're near the laptop.
 # The issue is essentially that gnome-bluetooth is issuing the wrong
 # dbus calls to connect the device immediately; org.bluez gets EAGAIN
-# from the kernel when it processes gnome-bluetooth dbus calls. However,
-# bluetoothctl is flawless at it. Maybe some day gnome-bluetooth will
-# fix this. In the meantime, this hack lets me have a seamless bluetooth
-# experience.
+# from the kernel when it processes gnome-bluetooth dbus calls (until
+# it eventually succeeds, 20-30s later). However, bluetoothctl is
+# flawless at it. Maybe some day gnome-bluetooth will fix this. In the
+# meantime, this hack lets me have a seamless bluetooth experience.
 # PS: I tried to report the bug to gnome-bluetooth but haven't figured
 # out how. Apparently I need to register to 2 or 3 bug trackers? I may
 # be just dense.

diff --git a/gistfile1.txt → gistfile1.sh b/gistfile1.txt → gistfile1.sh
@@ -1,7 +1,14 @@
 # This shell session explains how to setup bluetooth to be flawless.
 # Devices are immediately connecting when they're near the laptop.
-# The issue is essentially that gnome-bluetooth is issuing the wrong dbus calls to connect the device immediately; org.bluez gets EAGAIN from the kernel when it processes gnome-bluetooth dbus calls. However, bluetoothctl is flawless at it. Maybe some day gnome-bluetooth will fix this. In the meantime, this hack lets me have a seamless bluetooth experience.
-# PS: I tried to report the bug to gnome-bluetooth but haven't figured out how. Apparently I need to register to 2 or 3 bug trackers? I may be just dense.
+# The issue is essentially that gnome-bluetooth is issuing the wrong
+# dbus calls to connect the device immediately; org.bluez gets EAGAIN
+# from the kernel when it processes gnome-bluetooth dbus calls. However,
+# bluetoothctl is flawless at it. Maybe some day gnome-bluetooth will
+# fix this. In the meantime, this hack lets me have a seamless bluetooth
+# experience.
+# PS: I tried to report the bug to gnome-bluetooth but haven't figured
+# out how. Apparently I need to register to 2 or 3 bug trackers? I may
+# be just dense.
 
 ralt@zap:~/ -> cat .config/systemd/user/fix-bluetooth.service 
 [Unit]

diff --git a/gistfile1.txt b/gistfile1.txt
@@ -1,5 +1,7 @@
 # This shell session explains how to setup bluetooth to be flawless.
 # Devices are immediately connecting when they're near the laptop.
+# The issue is essentially that gnome-bluetooth is issuing the wrong dbus calls to connect the device immediately; org.bluez gets EAGAIN from the kernel when it processes gnome-bluetooth dbus calls. However, bluetoothctl is flawless at it. Maybe some day gnome-bluetooth will fix this. In the meantime, this hack lets me have a seamless bluetooth experience.
+# PS: I tried to report the bug to gnome-bluetooth but haven't figured out how. Apparently I need to register to 2 or 3 bug trackers? I may be just dense.
 
 ralt@zap:~/ -> cat .config/systemd/user/fix-bluetooth.service 
 [Unit]

diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,67 @@
+# This shell session explains how to setup bluetooth to be flawless.
+# Devices are immediately connecting when they're near the laptop.
+
+ralt@zap:~/ -> cat .config/systemd/user/fix-bluetooth.service 
+[Unit]
+Description=Fix bluetooth
+
+[Service]
+ExecStart=/home/ralt/bin/fix-bluetooth
+
+[Install]
+WantedBy=default.target
+ralt@zap:~/ -> cat bin/fix-bluetooth 
+#!/usr/bin/env python3
+
+import gevent.monkey
+gevent.monkey.patch_all()
+
+import subprocess
+import time
+
+import gevent.pool
+
+
+def _refresh(device):
+    while True:
+        try:
+            subprocess.check_call(["bluetoothctl", "connect", device])
+        except subprocess.CalledProcessError:
+            time.sleep(1)
+        else:
+            time.sleep(10)
+
+if __name__ == "__main__":
+    refreshers = {}
+
+    while True:
+        out = subprocess.check_output(["bluetoothctl", "devices"])
+
+        devices = []
+        for line in out.splitlines():
+            try:
+                _, device, _ = line.split(b" ", 2)
+            except ValueError:
+                continue
+
+            devices.append(device)
+
+        for device in devices:
+            if device not in refreshers:
+                print("Taking care of device: {}".format(device))
+                refreshers[device] = gevent.spawn(_refresh, device)
+
+        delete = []
+        for device in refreshers:
+            if device not in devices:
+                print("Forgetting about device: {}".format(device))
+                refreshers[device].kill()
+                delete.append(device)
+
+        for device in delete:
+            del refreshers[device]
+
+        time.sleep(60)
+ralt@zap:~/.config/systemd/user/ -> systemctl --user enable fix-bluetooth
+Created symlink /home/ralt/.config/systemd/user/default.target.wants/fix-bluetooth.service → /home/ralt/.config/systemd/user/fix-bluetooth.service.
+ralt@zap:~/.config/systemd/user/ -> systemctl --user start fix-bluetooth
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