Re: improving performance of writing into a pipe

2013-02-20 Thread mikprog
On Tuesday, February 19, 2013 5:47:16 PM UTC, Michael Torrie wrote: > On 02/19/2013 02:24 AM, mikp...@gmail.com wrote: > > > Or rather: what would you try to catch in this particular case? > > > As Peter said, nothing for now. But you seem very resistant to telling > > us what exception was ra

Re: improving performance of writing into a pipe

2013-02-19 Thread mikprog
> > Thanks a lot Serhiy to you and to everyone else. > > > Do you mind telling us what fix you applied? Oh, apologies Peter, I thought it was clear as I posted it after the lines written by Serhiy. So it was what Serhiy suggest in addition to some (?minor?) modification to the pipe itself, wh

Re: improving performance of writing into a pipe

2013-02-19 Thread mikprog
> > def write_to_pipe(line): > > hexbytes = ''.join('\\x%02x' % ord(c) for c in line) > > with open('/tmp/mypipe', 'w') as f: > > f.write(hexbytes) Update: with a fix in the pipe THIS was the right way to do it, and it now works. Thanks a lot Serhiy to you and to everyone e

Re: improving performance of writing into a pipe

2013-02-19 Thread mikprog
On Monday, February 18, 2013 7:29:09 PM UTC, Serhiy Storchaka wrote: > On 18.02.13 17:12, mikp...@gmail.com wrote: > > > on an embedded linux system (BeagleBoard) I am writing data coming from > > bluetooth dongle into a pipe. > > > The function is the following one: > > > > > > > > > def wri

Re: improving performance of writing into a pipe

2013-02-19 Thread mikprog
> > Once you get your script working you can try to provoke errors, and for > > those errors you can recover from you can write error handlers. For IOError > > and Python < 3.3 that may involve inspecting the errno attribute and > > conditionally reraising. Ok. > By the way, I don't thi

Re: improving performance of writing into a pipe

2013-02-19 Thread mikprog
On Monday, February 18, 2013 6:12:01 PM UTC, Michael Torrie wrote: > On 02/18/2013 10:00 AM, mikp...@gmail.com wrote: > > > [..] > > >> > > >> I don't see an exception in your answer. Where did you put it for us? > > >> > > > > > > well I just did print a message: > > > > > > PIPEPATH

Re: improving performance of writing into a pipe

2013-02-18 Thread mikprog
[..] > > I don't see an exception in your answer. Where did you put it for us? > well I just did print a message: PIPEPATH = ["/tmp/mypipe"] [..] try: self.process = os.popen( self.PIPEPATH, 'w') except: print "Error while trying opening the pipe!"

Re: improving performance of writing into a pipe

2013-02-18 Thread mikprog
On Monday, February 18, 2013 3:21:53 PM UTC, Oscar Benjamin wrote: [..] > > Can you not open the pipe file directly in Python code? e.g. > > > > fout = open('/tmp/mypipe', 'w') > > fout.write(data) > > > > I guess that this would be more efficient than using os.popen to run echo. > > tha

improving performance of writing into a pipe

2013-02-18 Thread mikprog
Hi guys, on an embedded linux system (BeagleBoard) I am writing data coming from bluetooth dongle into a pipe. The function is the following one: def write_to_pipe(line): # next line ensures that bytes like '0x09' are not translated into '\t' for #example, and they are sent as such

Re: Mixxx DJ app and Python

2013-01-29 Thread mikprog
On Tuesday, January 29, 2013 4:42:07 PM UTC, David Hutto wrote: [..] > > Well you can just use their(Mixx's) source code that they used from > > another wav form manipulation library(more than likely), after the > > trigger from the bluetooth. If you're talking voice, and music to > > sync, the

Re: Mixxx DJ app and Python

2013-01-29 Thread mikprog
On Tuesday, January 29, 2013 4:45:18 PM UTC, Ben wrote: > This may not be too helpful, but I built a TCP server into the Mixxx > application (in C++). I placed the server in ratecontroller (as I needed to > vary the rate remotely). I then could send and receive TCP packets with a > single board

Re: Mixxx DJ app and Python

2013-01-29 Thread mikprog
On Tuesday, January 29, 2013 4:13:09 PM UTC, David Hutto wrote: [..] > > >> or does anyone have experience with another software that does the same DJ > >> thing? > > > > > Hydrogen, and audacity work perfectly together. Hi David, thanks for your reply. I am not sure though that this is goi

software app and Python: any experience?

2013-01-28 Thread mikprog
Hi guys, I am thinking of driving a DJ application from Python. I am running Linux and I found the Mixxx app. Does anyone know if there are python bindings, or if this is possible at all? or does anyone have experience with another software that does the same DJ thing? I have also found the pym

Re: Python to send Midi commands to iPad via USB

2013-01-24 Thread mikprog
[..] > > > ~$ pmidi -p 128:0 No.19.mid > > > Could not open file No.19.mid > > > > > > Doesn't that mean that the iPad is not seen? > > > Heya! That was just an example; I used track number 19 from the opera > > "Iolanthe" as my test file. Pick any other MIDI file you have handy. This is

Re: Python to send Midi commands to iPad via USB

2013-01-24 Thread mikprog
On Thursday, January 24, 2013 10:44:47 AM UTC, Chris Angelico wrote: [..] > > Are you able to hook into ALSA? I've had reasonable success driving a > > USB-MIDI cable using ALSA. See if you can do it with the inbuilt > > 'pmidi' app first: > > > > $ pmidi -p 128:0 No.19.mid > > > > (that u

Re: The best, friendly and easy use Python Editor.

2013-01-24 Thread mikprog
On Thursday, January 24, 2013 9:43:31 AM UTC, Hazard Seventyfour wrote: > Hello, > > > > I new in this python and decided to learn more about it, so i can make an own > script :), > > > > for all senior can you suggest me the best, friendly and easy use with nice > GUI editor for me, and ha

Python to send Midi commands to iPad via USB

2013-01-24 Thread mikprog
Dear all, I am asking for a design/strategy suggestion. What I have to do is to write a Python application that will send MIDI commands to an iPad application. All I know is that the iPad application can be connected to an external Midi deck through a usb cable and be controlled. So I think I w