Pyther's Intraworld

One of the things that would always irritate me, with Linux, was the fact that I could not resume my machine by hitting a key on the keyboard.  When I first searched for an answer, to this issue, many of the replies stated “look for an option in the BIOS.” To my dismay, I had no such option in the BIOS. After more searching I found /proc/acpi/wakeup!

/proc/acpi/wakeup looks like this:

Device	S-state	  Status   Sysfs node
UAR1	  S4	 disabled  pnp:00:08
SMB0	  S4	 disabled  pci:0000:00:01.1
USB0	  S4	 disabled  pci:0000:00:02.0
USB2	  S4	 disabled  pci:0000:00:02.1
US15	  S4	 disabled  pci:0000:00:04.0
US12	  S4	 disabled  pci:0000:00:04.1
NMAC	  S5	 disabled  pci:0000:00:0a.0
P0P1	  S4	 disabled  pci:0000:00:08.0
HDAC	  S4	 disabled
MXR0	  S4	 disabled  pci:0000:00:10.0
BR11	  S4	 disabled
BR12	  S4	 disabled  pci:0000:00:12.0
BR13	  S4	 disabled
BR14	  S4	 disabled
BR15	  S4	 disabled
BR16	  S4	 disabled
BR17	  S4	 disabled

Now this might be confusing, at first, but do not fear! We are interested in only two types of devices: USB and US

USB0	  S4	 disabled  pci:0000:00:02.0
USB2	  S4	 disabled  pci:0000:00:02.1
US15	  S4	 disabled  pci:0000:00:04.0
US12	  S4	 disabled  pci:0000:00:04.1

To figure out which device is which take the number after pci: and run grep on dmesg. Example for US15: dmesg | grep 0000:00:04.0

You will likely get a lot of output… you should look for something similar (Note: this differs by hardware, it likely won’t be the same)

[    6.164097] usb usb4: SerialNumber: 0000:00:04.0
[    7.284302] input: BTC USB Multimedia Keyboard as /devices/pci0000:00/0000:00:04.0/usb4/4-3/4-3:1.0/input/input2
[    7.284363] generic-usb 0003:046D:C312.0001: input,hidraw0: USB HID v1.10 Keyboard [BTC USB Multimedia Keyboard] on usb-0000:00:04.0-3/input0
[    7.300110] input: BTC USB Multimedia Keyboard as /devices/pci0000:00/0000:00:04.0/usb4/4-3/4-3:1.1/input/input3
[    7.300287] generic-usb 0003:046D:C312.0002: input,hiddev96,hidraw1: USB HID v1.10 Device [BTC USB Multimedia Keyboard] on usb-0000:00:04.0-3/input1

As you can see US15 is my USB keyboard so I will simply run echo "US15" > /proc/acpi/wakeup to allow US15 to wake up the computer.

USB0	  S4	 disabled  pci:0000:00:02.0
USB2	  S4	 disabled  pci:0000:00:02.1
US15	  S4	 enabled   pci:0000:00:04.0
US12	  S4	 disabled  pci:0000:00:04.1

If it is not appearant which devices are which there is always the trial and error process. Enable one, see if the desired device wakes up the machine and if it doesn’t, disable the device (by executing the echo command again) and try another.

Lastly just add the echo command to your startup script. On Arch /etc/rc.local is a good place.

A few months ago, I was talking to a friend and he wanted to share some files with me. However, we had no easy of doing this. Pondering about the problem, I though it would be great if there was a uploader with some basic user authentication.  This brought about the birth of uploader. My biggest problem that I faced was the fact that I had no idea how to work with sessions and sqlite databases. That didn’t stop me though! During winter break and I went to tackle the challenge.

After digging through a lot of examples on the webpy.org website, I was eventually able to throw together something that worked. Winter break ended, the program was usable, and was left, without love, on my server.

Just last week, I started to play with uploader again and I noticed that the code was a disaster and confusing. So I started to rewrite the parts of the code that were bad and added comments. Since I already stumbled with sessions and database objects I had a much better understanding on how they worked and how to implement them into the code. During the last three days I have released uploader.

Github Page:  http://github.com/pyther/uploader
Project Page: http://pyther.net/projects/uploader/

Screenshots: