Programming :: Recognize USB Insertion / Removal In Python?

Oct 15, 2010

How can I understand if a USB inserted or removed.

Someone said I need to study HAL. Is it true? If so I need some links, source code etc. do you know any?

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Programming :: Socket Programming: Insertion Of 0x00 Into The Stream?

Dec 5, 2010

When sending data over the socket, the sending socket includes 0x00 after each sent byte. I wonder how this can be avoided -- I just want to transfer the data in the tx_buffer as it is.

# ./serv &
[1] 6895
# ./EUG 127.0.0.1
EUG: Data to be transmitted: 0x35 0x32 0x30 0xff 0x03 0x31
EUG: Data - #Bytes transmitted: 6
./serv: Here is the message: '5'

[Code]...

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Programming :: Run A Script At Usb Insertion?

Sep 20, 2010

I'm trying to run clamAV antivirus on USB insertion. I read about "udev" but it seems to be very complicated. I thought about running the script when the /media folder changes. I couldn't do that either.

I'm running MS "XP" on virtualbox and I'm sharing the /media folder from the host to the guest that's why I need an ON-DEMAND antivirus that scans the usb disk on insertion. (Light scan[neglecting archives and large files] is preferred to not overload the processor).

The script will contain the clamAV command line. The problem is how to set the execution time of the script...

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Programming :: How To Install Kernel Modules Automatically After Device Insertion

Jan 18, 2011

ubuntu could delay kernel module installation until device is inserted?Take my usb ath9271 wifi adapter as an example: when kernel boot up, no ath modules are installed until usb wifi apdapter is inserted, ath related modules are insmod.Could anybody how to achieve this? udev or something else?

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Programming :: Make Python Programs Run Without Entering The Command Python?

Mar 22, 2009

I want to be able to do

sudo ./program.py

instead of always having to do

sudo python program.py

What do I need to change?

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Programming :: Python - Get Text File Data Into An Array On Python?

Nov 30, 2009

I've already used line split stuff to transform my data into something like this in a text file:

Code:

['1', '1', '3', '20.7505207']
['2', '1', '3', '23.0488319']
['3', '1', '3', '-1.5768747']
['4', '1', '3', '-26.4772491']

[code]....

How can I get this on a python program so I can manipulate it as an array?

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Ubuntu Installation :: 10.04 Upgrade Stops At Desktop Removal / Is On Removal Black List

May 25, 2010

I started an upgrade from Ubuntu 8.04 to 10.04 and it stopped with the message: Ubuntu desktop is listed to be removed but is on the removal blacklist. Then it restored back to 8.04. I don't know how to resolve this - it would be alright to remove the old Ubuntu desktop.

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Programming :: Python 2.x - Represent The Same In Python 3.x

Mar 4, 2010

I have a function definition in a Python 2.x script which take a tuple as one of its arguments, but 2to3 has no answers nor any of my searching on how to represent the same in Python 3.x

Code:

def blah(self, (string1, string2))

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Programming :: Totem Python Plugin Programming: Any Signal For Video Mouse Click?

Feb 9, 2011

I want that I click with the mouse on the video, it paused.I notice that there is "BaconVideoWidget" which I guess is the video rendering widget but it don't have signal named "clicked":

Code:
vd = totem_object.get_video_widget()
vd.connect("clicked", vd.hide)

[code]....

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Fedora :: Script For Usb Insertion?

Sep 10, 2009

I am trying to figure out how to make Fedora run a certain command when I insert a USB device. Any ideas. I'd also like it to do different things based on which usb device I plug in.
I can write the script I just do not know the trigger sequence.

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General :: Insertion Of Vbr And VBR End Delay More

Apr 22, 2011

I am using Ubuntu marvic amd64 10.10. I installed ns-allinone 2.34. then I inserted vbr traffic according to one of forum from this linux " Insertion steps of VBR into NS2.34" I made the following changes

Makefile, line 36 : CC = gcc-4.3
Makefile, line 37 : CPP = g++-4.3
vbr_traffic.cc in ns2.34/tools then Makefile : tools/vbr_traffic.o of 183

then I use the command cd ns-allinone-2.34/ns-2.34/ && mv ns ns234 && make after that I delete the ns. with the new command I run the script with every time puase time 0 and simulation time 200, 10 250, 20 300, 40 400..... with DSR after completion of simulation, when i was try to plot graph between throughputs of receiving bits vs Maximul end to end delay, every time I got the delay more than 90, 100, etc so how can I reduce that problem. I thought problem was in insertion of vbr.

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Programming :: Python 2.x Vs 3.x

Apr 21, 2010

I'm starting to learn python and I am wondering whether I should start with python 2.x or should I just start learning python 3.x?

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Programming :: Convert Map From Python 2.x To 3.x

Apr 6, 2010

I have an existing line of code from a P2 script that I cannot find a solution to converting to P3:

Code:
for i, x in map(None, list1, list2):
I have found the information about converting the simple case:
map(None,x) becomes list(x)

But my googling was unable to find a solution when more than one iterable exists.

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Programming :: How To Run Python Script From C

Jan 31, 2010

I have a python script I wrote a while ago and now I would like to call that script from inside C. I know how to do one command from C, but how would you execute an entire script from C, and passing arguments? Like:

Code:

int main(void)
{
python( myprogram(1 2 3) );
}

So I can pass arguments to my script.

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Programming :: Py_FindMethod In Python 3.1.1

Jan 19, 2010

what the equivalent function in Python 3.1.1 is for Python 2.6.4s:

Py_FindMethod

Be buggered if I can find anything in the doco to say what replaced it or what alternative code may need to be entered to replace it

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Programming :: Python With Web Development ?

Dec 17, 2010

I have decided to learn python as it seems to be powerful not just for web development (like php) but also a clean powerful language for other puposes.

Q: Can someone suggest a tutorial or book, on learning python (beginner to intermediate) which has as its focus for learning, web development?

In order of preference: 1. Comprehensive, 2. Online, 3. Free

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Ubuntu :: USB Insertion Hangs System / Stop It To Do So?

Dec 19, 2010

I'm running Ubuntu 10.10, 64-bit on an HP 8740w. Sometimes (I don't have the frequency yet, but it has happened a half-dozen times in the past couple of weeks) when I insert a USB storage device the system hangs, requiring a power-cycle. I have been careful to either eject or "safely remove" every USB device, but it still happens. I believe it only happens when I remove a device and later re-insert it, but I don't have enough data points to be sure.

Most of the time, I'm running VirtualBox, but I haven't captured the USB device in a VM.

First question - how can I go about figuring out what might be going wrong? Once it happens, my options are extremely limited (power switch). When this happened one time I left the system for 30+ minutes, and it did not recover.

Of course, when I wanted to see it, I did 10 insertions/removals without a hang.

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Ubuntu :: Change Volume Upon Headphone Insertion?

Mar 22, 2011

is there a way to have my volume level change to a specified level when i insert my headphones to avoid having my ears blasted with music because i forget to turn the sound down when shutting off my computer last time? perhaps a alsa patch or a script?

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Programming :: Piping In Bash Using Python?

Dec 16, 2010

I have a bash script that I want to import in to Python, mainly just to see if I can or not. However in the script I do use some piping of commands into sed to trim it down to what I need. When I tried doing it with the os.system() call, it didn't work. The exact error is

sed: -e expression #1, char 16: unterminated `s' command

However the command that was run can be run in bash without an error. Is there a better/another way to do this? For reference the command is:

Code:

locate -n 1 wp-config.php | sed 's/wp-config.php/
/g' | sed '/wp-config.php/ d' | sed '/^$/ d'

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Programming :: Accessing Python Scripts Using Web?

Mar 17, 2011

I am using Centos. I have written some scipts in python that access my routers and fetch the configuration, etc. Now i was thinking of creating a web interface which i can access from my windows XP. I want it to have good look n feel :-),

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Programming :: C++ Or Python - Create 3D Animation ?

Jan 25, 2009

I want to create 3D animation and also make some big programs. Is python capable of that? or should I stick to C++?

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Programming :: Linking Options For Python?

Dec 11, 2010

I am trying to build an application that must link with python so as to load a python module during runtime.I have this makefile :

Code:
[alex@iskandhar src]$ cat Makefile
CFLAGS = -Wall -O3 -I ../../../SPOOLES.2.2 -DARCH="Linux" -DSPOOLES -DARPACK

[code]....

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Programming :: List Sorting In Python?

May 10, 2011

I have a list of list and I'd like to sort the list according to the last value of each row.

Let's say we have the list

L1 = [ [1,2] , [4,6] , [78,-3] ]

I wish to get

L2 = [ [78,-3] , [1,2] , [4,6] ]

Is there a simple way to do that in python?

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Programming :: Parsing S-Expressions In Python?

Feb 1, 2011

I've been loosely following this:http://norvig.com/lispy.htmlAnd I have a problem: the parsing function throws an array out of bounds exception. I thought that maybe I'm doing it wrong, so I copy and pasted the code from the page, and still the same error

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Programming :: Initializing Pmw Megawidgets For Python 2.6

Oct 12, 2010

I am having a problem initializing the Pmw megawidgets for Python 2.6.I have Pmw_1_3 loaded in the site-packages directory.

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Programming :: Python - Global Name Not Defined

Jun 17, 2011

I found an interesting screencast online about how to make gtk Pyton apps. The thing is, though, the guy was using the interactive shell. I've been trying to get his code into a script, and have been having troubles.

Here's what I got:

Code:

It spits out the error "NameError: global name 'browser' is not defined"

I know I'm doing something wrong with how I'm telling it where to find "browser" and "text", but I can't figure out how to point it to the right place.

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Programming :: Python - How To Avoid Spaces

Oct 1, 2010

In the code below:

Code:

The output is:

Code:

Looks like the "," operator in the print inside the loop is adding a space for its own.

I want to print the sequence WITHOUT spaces. Something like this:

Code:

But I couldn't figure out how to do this.....

How to print a sequence, inside a loop, without that space ?

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Programming :: Python: Get The Return Value Of The Last Function?

Jun 13, 2010

But it's been hell finding an answer, or I just don't know what to look for..I have a prompt that asks for a float, and if the user doesn't put in a valid number, then it should die with an error message.

Code:
def die_with_error():
print 'ERROR: You didn't specify a valid number!'

[code]....

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Programming :: Python Program For Time ?

Jun 24, 2011

I need to write a program for time. like i have 2 tasks both minutes and hours.

like this
1st task=5 hours and 30 minutes
2nd task=2hours and 45 minutes

Together they will take 8 hours and 15 minutes.

I need to write a program thats called ADDTIMES to do something like this.

This is what i have so far.

H1=int(input("enter the number of hours:")) etc..

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Programming :: Python Serial And Struct On 64 Bit?

May 14, 2010

For a work project, I've got a bunch of python code from about a year ago that controls the movement of our EVI-D30 camera over a ttyUSB connection. It used to work fine on a 32-bit Fedora box, but recently we moved our whole project over to a 64-bit Gentoo server, and the same code seems to be worthless on the new platform. I didn't write the code, so I'm have trouble figuring out how to fix it. Error messages usually look like this:

Code:

File "./CameraController.py", line 172, in pan
turn_callback(cmdStruct[0], cmdStruct[1])
File "./CameraController.py", line 147, in turn_callback
cameras[camera].TiltUp()

[code]....

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