Nabble - Python - pythonce

Re: kbhit type of functionality in PythonCE

2009-10-30T06:22:36Z

Adam Walley: Not really what I was hoping for but I took your idea and built on it so that if the response to the raw_input is an empty string it repeats the pause. Good enough. Thanks!

Adam Walley wrote:

Hi, Cazaw.

Welcome to PythonCE. I remember wrestling with similar issues with the
raw_input. AFAIK its features are very limited and it does rather awkwardly
appear over the PythonCE window. You can, of course, position your text
output with some spacing.

If you are satisfied with just a pause before the raw_input window appears
then you can import the time module and use the sleep function (although
this tends to make the OS think the app is not responding). I usually create
a simple loop function instead, when using this method. It would define a
pause function and look something like this:

def pause(t):
t0=time.time()
while time.time()-t0<t:
pass

where 't' is the number of seconds to pause (and can be a decimal if
needed). Then you just call the pause function at the point in your code
where you want to wait.

Unfortunately, I think that any other method whereby (hard or soft) key or
stylus input is used would be non-trivial and requires quite a bit more
effort.

If you have the time to put into it, I would suggest looking into the
PocketPyGUI package or compiling the SDL library and using that (I have some
info on using SDL with PythonCE here: watersprite.awardspace.com/python).
Perhaps other list members have some other suggestions?

Adam.
2009/10/29 Cazaw <cazaw_wow@yahoo.com>

>
> p.s. - Alternately, if the raw_input could show up in the stdout along with
> the displayed results instead of it's own dialog box, that would be just
> fine and eliminate the problem. Whichever way would be easiest.
> --
> View this message in context:
> http://www.nabble.com/kbhit-type-of-functionality-in-PythonCE-tp26114814p26119052.html
> Sent from the Python - pythonce mailing list archive at Nabble.com.
>
> _______________________________________________
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> PythonCE@python.org
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Re: kbhit type of functionality in PythonCE

2009-10-29T13:42:46Z

Hi, Cazaw.

Welcome to PythonCE. I remember wrestling with similar issues with the raw_input. AFAIK its features are very limited and it does rather awkwardly appear over the PythonCE window. You can, of course, position your text output with some spacing.

If you are satisfied with just a pause before the raw_input window appears then you can import the time module and use the sleep function (although this tends to make the OS think the app is not responding). I usually create a simple loop function instead, when using this method. It would define a pause function and look something like this:

def pause(t):

t0=time.time()

while time.time()-t0<t:

pass

where 't' is the number of seconds to pause (and can be a decimal if needed). Then you just call the pause function at the point in your code where you want to wait.

Unfortunately, I think that any other method whereby (hard or soft) key or stylus input is used would be non-trivial and requires quite a bit more effort.

If you have the time to put into it, I would suggest looking into the PocketPyGUI package or compiling the SDL library and using that (I have some info on using SDL with PythonCE here: watersprite.awardspace.com/python).

Perhaps other list members have some other suggestions?

Adam.

2009/10/29 Cazaw <cazaw_wow@...>

p.s. - Alternately, if the raw_input could show up in the stdout along with
the displayed results instead of it's own dialog box, that would be just
fine and eliminate the problem. Whichever way would be easiest.
--
View this message in context: http://www.nabble.com/kbhit-type-of-functionality-in-PythonCE-tp26114814p26119052.html

Sent from the Python - pythonce mailing list archive at Nabble.com.

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Problem with from os import system

2009-10-29T12:55:17Z

Hi ,

I have a problem for use script python in my pocket pc

error is:

>>> execfile('/Temp/cool.py')
Traceback (most recent call last):
File "/Temp/cool.py", line 26, in <module>
from os import system
ImportError: cannot import name system

How to fix this problem?

thank you advance.

Re: kbhit type of functionality in PythonCE

2009-10-29T12:11:57Z

p.s. - Alternately, if the raw_input could show up in the stdout along with the displayed results instead of it's own dialog box, that would be just fine and eliminate the problem. Whichever way would be easiest.

kbhit type of functionality in PythonCE

2009-10-29T08:05:12Z

I've had only very limited exposure to Python and began only yesterday with PythonCE, so I'm definitely a newbie at it all.

My question seems really basic, but I've not been able to find a simple answer: I have a small program that does a raw_input, processes the entered information and then displays the results. Currently I have it so that after displaying the results it does the raw_input again to get more information to process or, if the input is nothing, end. But the problem is that the raw_input window takes up much of the screen and thus hides most of the previous results. Is there some way to have the program loop/wait/sleep/whatever until any key is pressed and then put up the raw_input window? It's rather frustrating to be 99% of the way to the desired goal and unable to figure out that last little bit.

I'm using PythonCE 2.5 on a Samsung/ATT SGH-i907 running Windows Mobile 6.1 Professional with an ARM920T PXA311 process and 107.94Mb of RAM.

Thanks in advance for any help.

New user - cannot run PythinCE 2.5 2007 version but can run 2006 version

2009-09-01T04:04:50Z

Hi – I installed the latest version on to my HP iPAQ 2200. Installation went fine but when I start to run from the link in programs I see no Python icon but a window. I get an error message saying it cannot find python. When I run the executable directly nothing happens.

So I tried the 2006 version of 2.5. This has a Python icon and starts up.

Is the latest build broken for iPAQs ?

Regards

Dunkelmann

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PythonCE, Apache and CGI?

2009-08-04T05:00:05Z

I've got perl CGI scripts running on Apache on a Windows Mobile 6
device using http://www.rainer-keuchel.de/wince/apache-ce.html and
http://perlce.sourceforge.net/. I'm trying to get Python working in
the same way, which seems as though it might be possible, but have hit
a problem.

With the device connected via ActiveSync, I tried accessing the
following python script via "http://169.254.2.1/cgi-bin/test.py":

#!/python25/python.exe

print "Content-type: text/html\n\n"

This resulted in the PythonCE shell popping up on the device, where it
appeared to generate the correct output, but the output was not sent
to the browser.

I read about the "/nopcceshell" switch on the PythonCE wiki so tried
this instead:

#!/python25/python.exe /nopcceshell

print "Content-type: text/html\n\n"

The web browser still hangs, but the PythonCE shell no longer appears
on the device. Instead I see the following error on the device:

Traceback (innermost last):
File "\apache\cgi-bin\test.py", line 3, in <module>
print "Content-type: text/html\n\n"
<type 'exceptions.IOError'>: [Errno 2] The system cannot find the file specified

Evidently Python is finding and trying to execute test.py - my guess
is that this error relates to either STDOUT or STDERR. Can anyone shed
any light on this, or better still provide a workaround?

Thanks, Will
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windows mobile 6.5

2009-07-30T20:58:49Z

Hello,

I have app developed at wxPython, but I need runs wxpython and python in windows mobile 6.5 , I read http://wxpyce.wikispaces.com/Build exist other way?

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Re: Global defpaths error while building Python

2009-06-15T05:53:23Z

Hi,

> As per the readme.txt , i executed the scons cab, but i'm getting the below
> errors.
>
> Please help me to resolve this.
>
>
>>> > C:\Source\python-wince\PCbuild\WinCE>scons
>>> > scons: Reading SConscript files ...
>>> > <type 'exceptions.NameError'>: global name
>
>>> 'defpaths'
>>> > is not defined:

I'm sure there is some proper way to fix that problem and somebody
might tell us how, but I just ended up setting the exe_path as
follows:

exe_path = r'C:\Program Files\Microsoft eMbedded C++ 4.0\EVC\wce420\bin'

I didn't have to set the other paths, as the script was able to find
the other registry values and didn't end up in those exception
handlers that would have called for non-existing defpaths.

HTH,

- Sini
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Global defpaths error while building Python

2009-06-15T04:01:22Z

Hi Group,

I have download pythonce source, and try to build it to generate CAB file.

I have downloaded and installed all the below requirements which are mentioned in the readme-wince.txt.

- Python 2.5 for Windows, installed on your PC
- Microsoft eMbedded Visual C++ 4.0 with Service Pack 4
- Pocket PC 2003 SDK

As per the readme.txt , i executed the scons cab, but i'm getting the below errors.

Please help me to resolve this.


>> > C:\Source\python-wince\PCbuild\WinCE>scons
>> > scons: Reading SConscript files ...
>> > <type 'exceptions.NameError'>: global name

>> 'defpaths'
>> > is not defined:


In the pythonce group some one has faced the same problem and reply was like this.
I got the same problem trying to compile PythonCE.

I resolved it by creating en empty 'defpaths' list on line 365 of msevc.py
and manually added 'include_path', 'lib_path' and 'exe_path' to it.

As per this suggestion, manually add the paths of what ??

include_path = ??
lib_path = ??
exe_path = ??

Please help me .


Thanks, 
Rajashekhar

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Re: packaging app into cab's

2009-06-11T13:25:14Z

I won't have time to find/write the documentation on this stuff for a
few days but here are all the files.

Cabbuilder, a wxpython app that helps you build CAB files
Requires the Win CE 4.2 library since it's just a wrapper around the
microsoft cab tools.
https://code.launchpad.net/~wildintellect/+junk/cabbuilder

PDA-Backup, A tcl/tk python app for windows mobile, the nsi file
demonstrates how to package mutliple CAB files, including the pythonce
into a single desktop installer someone can run.
https://code.launchpad.net/~wildintellect/+junk/pdabackup

You can browse down to the individual files or poke around the help on
Launchpad and Bazaar to grab a copy of the source code for everything.
You have to click on "all revisions" at the bottom of those pages to
browse the files.

It's GPLv3 for now(except for the parts that aren't mine like tcl/tk and
python), I'm probably missing that statement from most of the files.
I'll be more than happy to seed projects if people want to improve the
code, it hasn't been worked on for 1 year and probably won't be since
it's from an old job.

Alex

Alex Mandel wrote:

> Give me a few minutes to find it but I wrote some scripts to make this
> easier. The basics I have a python app with gui that lets you pick
> whatever files you want, then builds the ini for the pocket pc sdk cab
> builder(from microsoft), builds a cab. Then you take that cab and modify
> an NSIS script that already references a pythonce install and add the
> cab to the list of things to install, this uses activesync to detect if
> it's already installed and if the version has changed.
>
> Alex
>
> Jared Forsyth wrote:
>> unfortunately there aren't any packages that specifically package pythonce
>> along side -- the best you can do (which is what i do) is just provide a
>> link to the pythonce cab -- that way they won't need to install pythonce
>> more than once if they want more than one of your packages.
>>
>> jared
>>
>> On Thu, Jun 11, 2009 at 4:00 AM, David Goncalves <david-pyceml@...>wrote:
>>
>>> Hi,
>>>
>>> I've been playing around with pythonce on my windows mobile phone and am
>>>> very impressed by it. I was wondering if anyone can point me to some good
>>>> resources for packaging pythonce and my application into one installable
>>>> cab.
>>>>
>>> If you are using Linux you can use the 'pocketpc-cab' package that contains
>>> tools for creating CAB files.
>>>
>>> If you are using Windows system you can look at 'WinCECabManager'
>>> (shareware) that
>>> does the same thing (with a gui).
>>>
>>>
>>> Hope that helps.
>>>
>>> Regards.
>>>

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Re: packaging app into cab's

2009-06-11T12:12:01Z

Give me a few minutes to find it but I wrote some scripts to make this
easier. The basics I have a python app with gui that lets you pick
whatever files you want, then builds the ini for the pocket pc sdk cab
builder(from microsoft), builds a cab. Then you take that cab and modify
an NSIS script that already references a pythonce install and add the
cab to the list of things to install, this uses activesync to detect if
it's already installed and if the version has changed.

Alex

Jared Forsyth wrote:

> unfortunately there aren't any packages that specifically package pythonce
> along side -- the best you can do (which is what i do) is just provide a
> link to the pythonce cab -- that way they won't need to install pythonce
> more than once if they want more than one of your packages.
>
> jared
>
> On Thu, Jun 11, 2009 at 4:00 AM, David Goncalves <david-pyceml@...>wrote:
>
>> Hi,
>>
>> I've been playing around with pythonce on my windows mobile phone and am
>>> very impressed by it. I was wondering if anyone can point me to some good
>>> resources for packaging pythonce and my application into one installable
>>> cab.
>>>
>> If you are using Linux you can use the 'pocketpc-cab' package that contains
>> tools for creating CAB files.
>>
>> If you are using Windows system you can look at 'WinCECabManager'
>> (shareware) that
>> does the same thing (with a gui).
>>
>>
>> Hope that helps.
>>
>> Regards.
>>

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Re: Help required to send keys for Windows mobile

2009-06-11T10:05:38Z

Hi Rajashekhar -

have you looked at the various gui toolkits for pythonce? I believe that's
what you have to use to accept user input. I downloaded ppygui to my HTC
mogul and it's working great on it.

I also liked the installer for ppygui but I did have to tweak the folder name
that I extracted it out to match the name in the install script. you may run
into this issue depending on which folder you extract the contents of ppygui
to before running the install script.

cheers,
--
Nimret Sandhu
http://www.nimret.com
http://www.nimsoft.biz

On Thursday 11 June 2009 02:15:32 am rajashekhar v wrote:

> Hi Group,
>
> I'm Rajashekhar and newfor the Python CE on the windows mobile environment.
> I have HTC mobile and i have installed the PythonCE 2.5 uisng the
> PythonCE.WM.CAB<http://ftp.heanet.ie/disk1/sourceforge/p/py/pythonce/Python
>CE.WM.CAB>from http://ftp.heanet.ie/disk1/sourceforge/p/py/pythonce/.
>
> I'm writing some scripts on python to invoke particular applications from
> idle screen and send keys to do action related to those keys.
> for e.g When i execute the Python scripit it should open the calendar by
> sending Left Soft Key(LSK) and it has to open Menu if i send Right Soft
> Key(RSK).
> Here, I'm facing one problem related sending the keystrokes, how can i send
> the keystokes from pyton scripts ?
>
> Any modules which are there for windows mobile, if it is there please
> mention where can i get it.
>
> **And also I have few source files written in C language to do the above
> functionality, how can I build these to .pyd for *windows mobile
> environment. *
> Any ideas or suggestion please let me know.
>
> Thanks,
> Rajashekhar

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Re: packaging app into cab's

2009-06-11T10:04:17Z

yeah, I think I'll probably end up with this solution also. As you mention
that way at least they won't have to install it twice.

thanks for the responses folks.

cheers,
--
Nimret Sandhu
http://www.nimret.com
http://www.nimsoft.biz

On Thursday 11 June 2009 05:37:47 am Jared Forsyth wrote:
> unfortunately there aren't any packages that specifically package pythonce
> along side -- the best you can do (which is what i do) is just provide a
> link to the pythonce cab -- that way they won't need to install pythonce
> more than once if they want more than one of your packages.
>
> jared
>
> On Thu, Jun 11, 2009 at 4:00 AM, David Goncalves
<david-pyceml@...>wrote:

> > Hi,
> >
> > I've been playing around with pythonce on my windows mobile phone and am
> >
> >> very impressed by it. I was wondering if anyone can point me to some
> >> good resources for packaging pythonce and my application into one
> >> installable cab.
> >
> > If you are using Linux you can use the 'pocketpc-cab' package that
> > contains tools for creating CAB files.
> >
> > If you are using Windows system you can look at 'WinCECabManager'
> > (shareware) that
> > does the same thing (with a gui).
> >
> >
> > Hope that helps.
> >
> > Regards.
> >
> > _______________________________________________
> > PythonCE mailing list
> > PythonCE@...
> > http://mail.python.org/mailman/listinfo/pythonce

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Re: packaging app into cab's

2009-06-11T05:37:47Z

unfortunately there aren't any packages that specifically package pythonce along side -- the best you can do (which is what i do) is just provide a link to the pythonce cab -- that way they won't need to install pythonce more than once if they want more than one of your packages.

jared

On Thu, Jun 11, 2009 at 4:00 AM, David Goncalves <david-pyceml@...> wrote:

Hi,

I've been playing around with pythonce on my windows mobile phone and am very impressed by it. I was wondering if anyone can point me to some good resources for packaging pythonce and my application into one installable cab.

If you are using Linux you can use the 'pocketpc-cab' package that contains
tools for creating CAB files.

If you are using Windows system you can look at 'WinCECabManager' (shareware) that
does the same thing (with a gui).

Hope that helps.

Regards.

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Help required to send keys for Windows mobile

2009-06-11T02:15:32Z

Hi Group,

I'm Rajashekhar and newfor the Python CE on the windows mobile environment.
I have HTC mobile and i have installed the PythonCE 2.5 uisng the PythonCE.WM.CAB from http://ftp.heanet.ie/disk1/sourceforge/p/py/pythonce/.

I'm writing some scripts on python to invoke particular applications from idle screen and send keys to do action related to those keys.
for e.g When i execute the Python scripit it should open the calendar by sending Left Soft Key(LSK) and it has to open Menu if i send Right Soft Key(RSK).
Here, I'm facing one problem related sending the keystrokes, how can i send the keystokes from pyton scripts ?

Any modules which are there for windows mobile, if it is there please mention where can i get it.

And also I have few source files written in C language to do the above functionality, how can I build these to .pyd for windows mobile environment.
Any ideas or suggestion please let me know.

Thanks,
Rajashekhar

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Re: packaging app into cab's

2009-06-11T01:00:27Z

Hi,

> I've been playing around with pythonce on my windows mobile phone and am very
> impressed by it. I was wondering if anyone can point me to some good
> resources for packaging pythonce and my application into one installable cab.

If you are using Linux you can use the 'pocketpc-cab' package that contains
tools for creating CAB files.

If you are using Windows system you can look at 'WinCECabManager'
(shareware) that
does the same thing (with a gui).

Hope that helps.

Regards.
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packaging app into cab's

2009-06-10T12:57:28Z

Hi Folks -

I've been playing around with pythonce on my windows mobile phone and am very
impressed by it. I was wondering if anyone can point me to some good
resources for packaging pythonce and my application into one installable cab.

Thanks!
--
Nimret Sandhu
http://www.nimret.com
http://www.nimsoft.biz
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Re: (Solved!) Using serial ports

2009-05-31T17:19:41Z

Hi all,

It seems the problem is triggered by setting the baudrate prior to
calling the '.open()' method.

The following works:

from ceserial import Serial, SerialException
port = Serial(port='COM1:')
port.open()
port.baudrate = 115200

The following fails:

from ceserial import Serial, SerialException
port = Serial(port='COM1:')
port.baudrate = 115200
port.open()

This fails too:

from ceserial import Serial, SerialException
port = Serial(port='COM1:', baudrate=115200)
port.open()

Cheers
David

On Mon, 2009-06-01 at 09:27 +1200, David McNab wrote:

> On Sun, 2009-05-31 at 23:08 +1200, David McNab wrote:
> > Also, I tried the 'ceserial.py' module which has popped up on some
> > discussions, but it crashes in its Serial.open() method with a most
> > unhelpful exception string '50'.
>
> More info on that:
>
> Seems that Serial.open() gets a bad return code when it calls
> windll.coredll.SetupComm() to set the buffer sizes. If I comment out the
> exception, then self._configurePort crashes with the same exception.
>
> I'm trying to open COM1: on an h4350.
>
> Can anyone please shed some light.
>
> Thanks
> David
>
>
>
> _______________________________________________
> PythonCE mailing list
> PythonCE@...
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Re: Using serial ports

2009-05-31T14:27:34Z

On Sun, 2009-05-31 at 23:08 +1200, David McNab wrote:
> Also, I tried the 'ceserial.py' module which has popped up on some
> discussions, but it crashes in its Serial.open() method with a most
> unhelpful exception string '50'.

More info on that:

Seems that Serial.open() gets a bad return code when it calls
windll.coredll.SetupComm() to set the buffer sizes. If I comment out the
exception, then self._configurePort crashes with the same exception.

I'm trying to open COM1: on an h4350.

Can anyone please shed some light.

Thanks
David

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ceserial switch off problem

2009-05-31T10:45:08Z

Hi all,

I'm using the ceserial module of Ben McBride. Everything is working
great (Thanks to the author!) as long as I do not switch off my PDA
(Pocket Loox N560, WM5). Switching off the device while my pythonce
program is running causes the serial port to stop working. After
restarting the program the serial port works as expected again. I tried
to find a workaround. Tried to catch SerialException to close and reopen
the serial port. I also integrated a manual function that allows to
close the port before switching off. Even deleting and recreating the
serial object doesn't help. Does anyone have an idea how to reestablish
serial communication after reactivating the PDA without restarting the
whole pythonce program? Thanks a lot for any answer!

Sincerely, Michael
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Using serial ports

2009-05-31T04:08:31Z

Hi,

I'm able to open COM1: serial port with the usual file() function, and
write to it with the normal write() method.

But how do I set the speed and other line parameters?

If I try to import the 'tty' module it complains that there's no
'termios' module.

Also, I tried the 'ceserial.py' module which has popped up on some
discussions, but it crashes in its Serial.open() method with a most
unhelpful exception string '50'.

What's the best way to go about using serial ports in pythonce?

Thanks in advance for your help

Cheers
David

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Re: Issuing WM_COMMAND

2009-05-27T20:22:26Z

Hello Marc,

It is possible to send WM_COMMAND messages with pythonce, using ctypes to interface native win32

Functions:

from ctypes import *

SendMessage = cdll.coredll.SendMessageW

WM_COMMAND = 0x111

SendMessage(hwnd, WM_COMMAND, wparam, lparam)

You can wrap other functions with ctypes to get the hwnd of the window you want.

Hope it helps,

Alex

De : pythonce-bounces+alexandre.delattre=telecom-bretagne.eu@... [mailto:pythonce-bounces+alexandre.delattre=telecom-bretagne.eu@...] De la part de Marc Grondin
Envoyé : mercredi 27 mai 2009 18:56
À : pythonce@...
Objet : [PythonCE] Issuing WM_COMMAND

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Issuing WM_COMMAND

2009-05-27T09:56:07Z

Hello everyone,
I'm fairly new to python and pythonce and i have a quaetion. Is it possibble to issue WM_COMMANDS on a WM device using pythonCE?(i have ver 2.5 from october)

--
C-ya Later Take Care
Marc Grondin

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[Fwd: Re: Bluetooth examples?]

2009-05-24T14:24:07Z

Looks like I forgot to send to the list

-------- Original Message --------
As far as I remember on PPC it's treated as a serial device, and if you
trigger to open that device (Usually COM7) it will use the built-in
discovery and connect tools.

So this code should work, I'm pretty sure I used it with a bluetooth gps.
http://www.siafoo.net/library/23

Alex

René Dudfield wrote:

> hello...
>
> After a little googling I found this...
> http://mail.python.org/pipermail/pythonce/2007-January/001747.html
>
> If you do figure out a way please let me know... I'd probably find this
> useful too :)
>
>
> cu,
>
>
> On Wed, May 20, 2009 at 8:41 PM, David McNab <rebirth@...> wrote:
>
>> Hi,
>>
>> Does anyone have any examples of Bluetooth programming for PocketPC in
>> Python?
>>
>> Specifically I'm wanting to write a PocketPC python program to:
>> - discover nearby bluetooth devices
>> - connect to one of these
>> - send and receive data
>> - close the connection
>>
>> Cheers
>> David
>>
>>
>>
>> _______________________________________________
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>>
>
>
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>
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Re: Bluetooth examples?

2009-05-20T21:49:56Z

On Wed, 2009-05-20 at 20:52 +1000, René Dudfield wrote:
> hello...
>
> After a little googling I found this...
> http://mail.python.org/pipermail/pythonce/2007-January/001747.html
>
> If you do figure out a way please let me know... I'd probably find
> this useful too :)

FWICT the best approach would be to trawl through the bluetooth API docs
in MSDN (maybe starting somewhere like
http://msdn.microsoft.com/en-us/library/ms898944.aspx), then port a
couple of the example programs from C/C++ to python using ctypes.

This is a lot of work, to get past all the 'surprises' and come up with
some robust working code. If anyone can help with a shortcut, please let
us know.

Cheers
David

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Re: Bluetooth examples?

2009-05-20T03:52:30Z

hello...

After a little googling I found this...
http://mail.python.org/pipermail/pythonce/2007-January/001747.html

If you do figure out a way please let me know... I'd probably find this useful too :)

cu,

On Wed, May 20, 2009 at 8:41 PM, David McNab <rebirth@...> wrote:

Hi,

Does anyone have any examples of Bluetooth programming for PocketPC in
Python?

Specifically I'm wanting to write a PocketPC python program to:
- discover nearby bluetooth devices
- connect to one of these
- send and receive data
- close the connection

Cheers
David

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Bluetooth examples?

2009-05-20T03:41:48Z

Hi,

Does anyone have any examples of Bluetooth programming for PocketPC in
Python?

Specifically I'm wanting to write a PocketPC python program to:
- discover nearby bluetooth devices
- connect to one of these
- send and receive data
- close the connection

Cheers
David

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Re: very slow XMLRPCServer

2009-05-19T04:06:20Z

On Mon, 2009-05-18 at 16:17 -0500, Warren Lindsey wrote:
> Sounds like this might be dns related. If the server is doing reverse
> lookups (and subsequent timeouts) for every incoming connection it can
> be quite slow.

Thanks for the lead.

Turns out that was exactly the problem. The address_string() method in
BaseHTTPRequestHandler does a .getfqdn with each logging call.

I worked around it by overriding .log_message().

Result is that my XML-RPC filesystem is now working, and I can now
'mount' my iPaq into my Linux filesystem via WLAN.

Cheers
David

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Re: very slow XMLRPCServer

2009-05-18T14:17:31Z

Sounds like this might be dns related. If the server is doing reverse
lookups (and subsequent timeouts) for every incoming connection it can
be quite slow. You might want to add local entries the registry on
the ipaq for hostname lookups. Windows mobile/ce doesn't have an
/etc/hosts file, but it does support an equiv feature in the registry.

There was a tool I used to have and I thought it was call ceHosts to
update entries, but I'm not finding it in a quick google search. I
did however find a link to a tip on updating the registry directly

http://windowsmobilepro.blogspot.com/2006/04/etchosts-file-equivalent-in-windows.html

Obviously, the same should be done on the server to ensure ip lookups
on your ipaq device are fast as well. Even if you're connecting by ip
address, the client or server in a tcpip environment may do a reverse
lookup on connections.

Cheers,
Warren

On Mon, May 18, 2009 at 2:06 PM, Thomas Heller <theller@...> wrote:

> David McNab schrieb:
>> Hi,
>>
>> I'm trying to run an XML-RPC server on my ipaq h4100, based on the
>> python 'SimpleXMLRPCServer', but it's ridiculously slow to process
>> requests.
>>
>> Turnaround for even the simplest client requests is around 30-40
>> seconds.
>
> I don't know if this will help you or not:
>
> I tried to use XMLRPC betweem a small embedded ARM system runing linux
> and a Windows PC. The performance of a client on the PC and a server on
> the embedded system was acceptable (~10 requests per second), but the
> server on the PC called by a client running on the embedded system was unacceptable:
> 1 request took around 5 seconds to complete.
>
> I have since switched to jsonrpc instead of xmlrpc which has a
> much better performance: around 70 requests per second, in both
> directions.
>
> Thomas
>
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>

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Re: very slow XMLRPCServer

2009-05-18T12:06:47Z

David McNab schrieb:
> Hi,
>
> I'm trying to run an XML-RPC server on my ipaq h4100, based on the
> python 'SimpleXMLRPCServer', but it's ridiculously slow to process
> requests.
>
> Turnaround for even the simplest client requests is around 30-40
> seconds.

I don't know if this will help you or not:

I tried to use XMLRPC betweem a small embedded ARM system runing linux
and a Windows PC. The performance of a client on the PC and a server on
the embedded system was acceptable (~10 requests per second), but the
server on the PC called by a client running on the embedded system was unacceptable:
1 request took around 5 seconds to complete.

I have since switched to jsonrpc instead of xmlrpc which has a
much better performance: around 70 requests per second, in both
directions.

Thomas

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very slow XMLRPCServer

2009-05-17T13:43:46Z

Hi,

I'm trying to run an XML-RPC server on my ipaq h4100, based on the
python 'SimpleXMLRPCServer', but it's ridiculously slow to process
requests.

Turnaround for even the simplest client requests is around 30-40
seconds.

Can anyone suggest a cause and maybe a remedy?

(source code to test program below)

Thanks if you can help

Cheers
David

-----------------------

from SimpleXMLRPCServer import SimpleXMLRPCServer

def add(x, y):
"""add(x, y): returns the result of adding x to y"""
return x + y

class MyXmlRpcServer(SimpleXMLRPCServer):

def __init__(self, *args, **kw):
SimpleXMLRPCServer.__init__(self, allow_none=1, *args, **kw)
self.running = 1

def serve_forever(self):
while self.running:
self.handle_request()

def stop(self):
"""stop(): stops the server"""
self.running = 0

server = MyXmlRpcServer(("", 8000))
server.register_function(add)
server.register_function(server.stop)
server.register_introspection_functions()

server.serve_forever()

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Re: PythonCE Digest, Vol 69, Issue 1

2009-05-09T02:00:55Z

Nice find. Will check it out.

Adam

2009/5/8 Tony Lee <tony.p.lee@...>

Found this reference in

http://markmail.org/message/cqi5g3b5ct3763fq

Tried it and it worked beautifully. Love Python.....

Now need to see if the bluetooth works.

BTW, I am using Samsung's blackjack 2.

>
> Hello, Tony.
>
> Glad to hear PythonCE works well on WM6. I think there is a Python telnetlib
> module, but have not used it myself - you may need to write something to get
> it to do what you want. Perhaps there is also an SSH module that works on
> PythonCE?
>
> Alternatively, you could use the CERDisp utility. It provides a remote
> display of your mobile device on a laptop or workstation, but it also
> provides remote control (i.e. what you type on your *large keyboard* appears
> on your mobile device's screen). This utility works reasonably well, but I
> have found it to be a little unstable (eventually it will fall over and you
> will need to reset the device). I personally use the FreeFloat FTP server to
> transfer files to my mobile device. I write my code so that each function
> contains Python and PythonCE variants (the sys.platform value tells Python
> which version of the code to use).
> Good luck and let us know what you find.
>
> Adam
>
>
> 2009/5/8 Tony Lee <tony.p.lee@...>
>
>> I installed pythonce on my WM6. It works good!
>>
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Re: PythonCE Digest, Vol 69, Issue 1

2009-05-08T09:59:29Z

Found this reference in

http://markmail.org/message/cqi5g3b5ct3763fq

Tried it and it worked beautifully. Love Python.....

Now need to see if the bluetooth works.

BTW, I am using Samsung's blackjack 2.

>
> Hello, Tony.
>
> Glad to hear PythonCE works well on WM6. I think there is a Python telnetlib
> module, but have not used it myself - you may need to write something to get
> it to do what you want. Perhaps there is also an SSH module that works on
> PythonCE?
>
> Alternatively, you could use the CERDisp utility. It provides a remote
> display of your mobile device on a laptop or workstation, but it also
> provides remote control (i.e. what you type on your *large keyboard* appears
> on your mobile device's screen). This utility works reasonably well, but I
> have found it to be a little unstable (eventually it will fall over and you
> will need to reset the device). I personally use the FreeFloat FTP server to
> transfer files to my mobile device. I write my code so that each function
> contains Python and PythonCE variants (the sys.platform value tells Python
> which version of the code to use).
> Good luck and let us know what you find.
>
> Adam
>
>
> 2009/5/8 Tony Lee <tony.p.lee@...>
>
>> I installed pythonce on my WM6. It works good!
>>

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Re: Is there a script that would let me do this?

2009-05-08T03:16:36Z

Thomas Heller schrieb:

> Tony Lee schrieb:
>> I installed pythonce on my WM6. It works good!
>>
>>
>> I wonder if there is a simple script that can act as a console that
>> takes input from the port (telnet) and output the data to the port
>> also.
>>
>> Like a io redirection, so I can just telnet to the WM6 to do script
>> development instead of typing on the tiny keyboard.
>
> I have developed a python 'remote-console' for windows ce. It requires
> that the device is connected via ActiveSync.
>
> http://code.google.com/p/ctypes-stuff/
>
> Download the files from
> http://ctypes-stuff.googlecode.com/svn/trunk/wince/remote-console/
> and start 'python console.py' on your PC.
>

Update:

I posted a prebuilt binary here (no installation needed, simply run
the exe):

http://ctypes-stuff.googlecode.com/files/PythonConsole-1.0.exe

--
Thanks,
Thomas

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