On 23/10/2020 05:47, Grant Edwards wrote:
I think that commercial desktop applications with a python
compatible GUI would likely use QT or a Python binding thereof.
Agreed. If you want to improve you "hirability" for GUI application
development, I would probably put Qt first. Then gobject o
On 12/03/2020 18:08, Chris Angelico wrote:
On Fri, Mar 13, 2020 at 4:55 AM Stephen Tucker wrote:
A quickie (I hope!).
I am running Python 2.7.10 (and, yes, I know, support for it has been
withdrawn.)
This is the same in Python 3.
I have three tuples that have been generated separately and
On 21/11/2018 19:18, Python wrote:
$ python3
Python 3.5.2 (default, Nov 23 2017, 16:37:01)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
1 in [1,2,3] == True
False
1 in ([1,2,3] == True)
Traceback (most recent call last):
File "", line
On 26/08/2018 00:55, Malcolm wrote:
I am trying to understand why regex is not extracting all of the
characters between two delimiters.
The complete string is the xmp IFD data extracted from a .CR2 image file.
I do have a work around, but it's messy and possibly not future proof.
Do you mean f
On 24/07/2018 16:13, Peter Pearson wrote:
On Mon, 23 Jul 2018 23:24:18 +0100, John Pote wrote:
I recently wrote a command line app to take a stream of numbers, do some
signal processing on them and display the results on the console. There
may be several output columns of data so a title line
I recently wrote a command line app to take a stream of numbers, do some
signal processing on them and display the results on the console. There
may be several output columns of data so a title line is printed first.
But the stream of numbers may be several hundred long and the title line
disap
On 07/03/2018 07:59, Andrew McNamara wrote:
Last time I read the documentation, it was recommended that
the file be opened in BINARY mode ("rb").
It recommends binary mode, but seems to largely work fine with
text/ascii mode or even arbitrary iterables. I've not seen the
rationale behin
On 01/03/2018 01:35, Tim Chase wrote:
While inelegant, I've "solved" this with a wrapper/generator
f = file(fname, …)
g = (line.replace('\0', '') for line in f)
I wondered about something like this but thought if there's a way of
avoiding the extra step it would keep the execution speed u
On 01/03/2018 02:38, Dennis Lee Bieber wrote:
On Wed, 28 Feb 2018 23:40:41 +, John Pote
declaimed the following:
with open( fname, 'rt', encoding='iso-8859-1' ) as csvfile:
Pardon? Has the CSV module changed in the last year or so?
Python 3.6 docs say
I have a csv data file that may become corrupted (already happened)
resulting in a NULL byte appearing in the file. The NULL byte causes an
_csv.Error exception.
I'd rather like the csv reader to return csv lines as best it can and
subsequent processing of each comma separated field deal with
On 18/12/2017 23:20, Les Cargill wrote:
What I'd like to do is set up *some* sort of method in Python to
asynchronously use callbacks to receive characters from a serial port
or 20 serial ports.
If I have to hook an event loop or even spawn a thread - fine! but it
needs to allow for making th
On 06/12/2017 00:16, Steve D'Aprano wrote:
> Anyone got a handy copy of Python 3.6 available to test something for me?
>
> What does compile('f"{spam} {eggs}"', '', 'single') return?
>
> What does eval()'ing the above compiled object do? If necessary, you may have
> to define spam and eggs first.
On 06/12/2017 00:16, Steve D'Aprano wrote:
Anyone got a handy copy of Python 3.6 available to test something for me?
What does compile('f"{spam} {eggs}"', '', 'single') return?
What does eval()'ing the above compiled object do? If necessary, you may have
to define spam and eggs first.
Thanks
Hi all,
My problem in summary is that my use of the shutdown() method only shuts
down a server after the next TCP request is received.
I have a TCP server created in the run() method of a thread.
class TCPlistener( Thread ):
def run( self ):
with socketserver.TCPServer(
Hi all,
I have successfully used Python to perform unit and integration tests in
the past and I'd like to do the same for some C modules I'm working with
at work. There seem to be a number of ways of doing this but being busy
at work and home I looking for the approach with the least learning c
On 16/09/2017 19:00, Stefan Ram wrote:
Steve D'Aprano writes:
"Hi, I've been programming in Python for what seems like days now, and here's
all the things that you guys are doing wrong.
I never ever have written a line of Python 2. I started with
Python 3.6.0. Yet a very frequent mista
On 16/12/2016 14:27, Steve D'Aprano wrote:
(2) The clever solution: use a pair of lists, one holding the starting value
of each group of keys, and the other holding the common values. This saves
a lot of memory, but is slower.
A concrete example might help. Suppose I have 15 keys in five groups
If you are on a windows platform you could use kbhit() from the msvcrt
module as Steven D does in his solution on the activestate site which
also works for xNIX. Worth a look at his code to see how these sort of
things are done on xNIX.
Alternatively you could use a couple of threads. One for
On 20/09/2016 12:52, Daiyue Weng wrote:
Hi, I have a list numbers say,
[1,2,3,4,6,8,9,10,11]
First, I want to calculate the sum of the differences between the numbers
in the list.
At least for this first part a little pencil, paper and algebra yields a
simple formula of constant and minimal c
On 28/06/2016 20:55, zackba...@gmail.com wrote:
On Tuesday, June 28, 2016 at 1:17:23 PM UTC-6, scott...@gmail.com wrote:
I'm trying to create a package in which the constituent files share some state.
Apparently, I don't understand scopes, namespaces, and package semantics as
well as I thou
On 02/06/2016 22:57, Dietmar Schwertberger wrote:
On 02.06.2016 12:35, John Pote wrote:
I've used wxPython (www.wxpython.org) for a few GUI projects and
found it ok. It's a wrapper for the wxWidgets C++ library. There's
even a reasonable free GUI builder, wxGlade, which I
On 01/06/2016 18:13, Jan Erik Moström wrote:
I want to write a few programs with a GUI but I don't want to use Tk.
Instead I'm looking for some other library, I've tried to look around
and also asked a few but I don't really know what to use.
I've used wxPython (www.wxpython.org) for a few GUI
On 15/04/2016 03:38, Christian Gollwitzer wrote:
Am 15.04.16 um 02:36 schrieb Dennis Lee Bieber:
I should also have said that the square root of integer squares with
between 15 and 30 decimal digits will only be correct if the square
numbers themselves are exactly representable in 53 bits. So
On 10/04/2016 04:52, Chris Angelico wrote:
On Sun, Apr 10, 2016 at 1:46 PM, fan nie wrote:
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Sure. I presume you mean something like this:
class Thing:
things = []
def __init__(self):
self.things.append(self)
def __
I have been writing a very useful test script using the standard Python
'unittest' module. This works fine and has been a huge help in keeping
the system I've been writing fully working even when I make changes that
could break many features of the system. eg major rewrite of the
interrupt rout
On 26/03/2016 12:05, Chris Angelico wrote:
On Fri, Mar 25, 2016 at 11:06 PM, Aleksander Alekseev wrote:
Recently I spend half an hour looking for a bug in code like this:
eax@fujitsu:~/temp$ cat ./t.py
#!/usr/bin/env python3
for x in range(0,5):
if x % 2 == 0:
next
print(
On 21/05/2015 23:31, MRAB wrote:
On 2015-05-21 23:20, John Pote wrote:
Hi everyone.
I recently had the problem of converting from an integer to its
representation as a list of binary bits, each bit being an integer 1 or
0, and vice versa. E.G.
0x53
becomes
[ 0, 1, 0, 1, 0, 0, 1, 1 ]
This I
Hi everyone.
I recently had the problem of converting from an integer to its
representation as a list of binary bits, each bit being an integer 1 or
0, and vice versa. E.G.
0x53
becomes
[ 0, 1, 0, 1, 0, 0, 1, 1 ]
This I wanted to do for integers of many tens, if not hundreds, of bits.
Python
Thanks for the replies, thought there'd be a simple answer. Much
appreciated.
John
On 30/12/2014 22:40, Chris Angelico wrote:
On Wed, Dec 31, 2014 at 8:24 AM, Tim Chase
wrote:
While it may involve reaching into the objects may or may not be
blessed, the following seems to work for me in Py2.7
John
On 8 Nov 2013, at 15:00, Grant Edwards wrote:
> On 2013-11-08, John Pote wrote:
>> Hi all,
>>
>> I have the task of testing some embedded 'C' code for a small
>> micro-controller. Thought it would be a good idea to test it on the
>> PC f
Hi all,
I have the task of testing some embedded 'C' code for a small micro-controller.
Thought it would be a good idea to test it on the PC first to make sure the
algorithm is correct then perhaps test it on the controller via RS232 and an
appropriate wrapper round the 'C' functions.
On the P
Sorry about the html - did not realise. Thanks for your comments.
John
On 11 Sep 2013, at 22:49, John Pote wrote:
> Chris,
> Interesting.
>>
>> # Test1.py
>> Debug_Value = " "
>>
>> # Test2.py
>> from Test1 import *
>> # is exactly eq
Chris,
Interesting.
>
> # Test1.py
> Debug_Value = " "
>
> # Test2.py
> from Test1 import *
> # is exactly equivalent to
> Debug_Value = " "
>
I take it then that assigning to Debug_Value in Test2.py will not change the
value of Debug_Value in Test1.py.
That being the case it would be wrong t
nuffi,
Have you tried running your piped commands
c:\Programs\bob\bob.exe -x -y "C:\text\path\to some\file.txt" |
c:\Programs\kate\kate.exe -A 2 --dc "Print Media Is Dead" --da "Author"
--dt "Title" --hf "Times" --bb "14" --aa "" --font "Ariel" -
"C:\rtf\path\to some\file.rtf"
in a single i
Hi,
I have built Python 2.7.3 from source and although the interpreter
starts up and runs scripts (so far OK) the 'test___all__' regression
test fails.
The machine I'm building on is a virtual server running a version of Red
Hat Linux
Build commands:
./configure --prefix /usr
ss imports OK.
Anyone know why the version 2.6 select .so file should be renamed
select_failed.so and so not able to be imported?
Of interest the 3.1 installation also has the select module file
re-named select_failed.so.
Any help appreciated,
Regards,
John Pote
--- Poste
Hi all,
I have the standard Python 2.4.4 windows download installed on my win XP
box. But the poll class in module select is not available. The docs indicate
that it can work with windows as long as only sockets are used which is fine
for me.
Is there a reason it's not in the standard build, c
Hi everyone,
Been trying to get the latest version of Stani's Python Editor the last few
days. But I cannot get any response out of 'pythonide.stani.be'. Anyone know
what's happened?
Ta much,
John Pote
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http://mail.python.org/mailman/listinfo/python-list
Thanks for the replies. I guessed the situation would be flush() and trust.
The probability of a crash between flush() returning and data actually
written resulting in a trashed disk must be very small. But if you can be
certain without too much effort it's got to be a good idea, so I thought I'
Hello,
I'm using a Python CGI script on a web server to log data from a remote site
every few minutes. I do not want to lose any data for whatever rare reason -
power outage/os crash just at the wrong moment etc. So I would like to know
when the data is actually written to disk and the file clo
respects.
I think the language has already made Python, the rest is down to its
'environment'.
Best wishes to everyone,
John Pote
"Douglas Alan" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Andrew Gwozdziewycz <[EMAIL PROTECTED]> writes:
&
a variant of the spybot worm.
Thanks for helping solve the problem,
All the best
John Pote
"Dennis Lee Bieber" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> On Thu, 16 Mar 2006 01:09:24 GMT, "John Pote"
> <[EMAIL PROTECTED]> declaimed the
ry files needed to run this
applic
ation cannot be found.
Is it the same dll in both cases, any idea what it might be and where could
I find a copy?
Many thanks,
John Pote
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http://mail.python.org/mailman/listinfo/python-list
ions that can be thrown. This leaves the programmer
with using a catch all (frowned upon) or scanning through hundreds/thousands
of lines of code in possibly deeply nested modules.
The beer's run out so I'll stop here.
keep at it everyone, best regards,
John Pote
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http://mail.python.org/mailman/listinfo/python-list
ource of a Python ftp server class (ftplib only has
a client class) out there. (These days I try to keep all my programming to
Python!).
I seem to remember reading Twisted has some ftp server facilities. Does it?
Any comments on it - easy to use, steep learning curve?
Any help appreciated,
Thanks everyone for such a quick response.
Brilliant!
John Pote
"John Pote" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> Hi all,
>
> I want to use python on a server to access incoming TCP port accesses. So
> I need to use the socket interface whic
53 titled Basic
Socket Interface Extensions for IPv6.
Where can I get the various papers mentioned in the manual? And as I like
books sitting on the shelf can someone recommend a book on sockets.
many thanks,
John Pote
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http://mail.python.org/mailman/listinfo/python-list
eron Laird" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> In article <[EMAIL PROTECTED]>,
> Martin P. Hellwig <[EMAIL PROTECTED]> wrote:
>>John Pote wrote:
>>
>>> So my request:
>>> 1. Are there any python modules 'out there&#
g such files.
2. Can anyone suggest a book or two on this kind of file management. (These
kind of problems must have been solved in the financial world many times).
Many thanks,
John Pote
--
http://mail.python.org/mailman/listinfo/python-list
curely
writing such files.
2. Can anyone suggest a book or two on this kind of file management. (These
kind of problems must have been solved in the financial world many times).
Many thanks,
John Pote
--
http://mail.python.org/mailman/listinfo/python-list
ound options are being ignored and the window retains its standard
windows colour scheme which I assume is overriding the background colour
option. I guess my normal windows colour scheme (classic windows!) is not so
bad and life is too short to tinker with this any more.
Thanks again
John
so a tick mark
against an item would be useful to show the currently selected option. Is
this possible?
Regards,
John Pote
System: Win XP, Python 2.3.4
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Any thoughts would be appreciated.
John Pote
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ta
rather than my continuous polling approach. Would a Queue help here?
John Pote
"Martin Franklin" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
> On Tue, 09 Nov 2004 17:41:56 GMT, John Pote <[EMAIL PROTECTED]>
> wrote:
>
>> Running my programme in
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