On Fri, Jan 08, 2016 at 12:02:44PM +1100, Cameron Simpson wrote:
> On 08Jan2016 00:18, ALAN GAULD wrote:
> >My only point of difference here, I think, is the definition
> >of a constructor. I consider a constructor to be the creator
> >of object instances, which makes the only default Python
> >co
On 07Jan2016 13:15, Sarah Rasco wrote:
Alan - I realized I did that right after I sent this email. However, I
can't run it in the windows or python prompts.
Here is my document:
[image: Inline image 1]
When I try to run it in the windows prompt I get:
[image: Inline image 2]
[...]
Hi Sarah,
Alan - I realized I did that right after I sent this email. However, I
can't run it in the windows or python prompts.
Here is my document:
[image: Inline image 1]
When I try to run it in the windows prompt I get:
[image: Inline image 2]
Or in the python prompt:
[image: Inline image 3]
And the fi
On 08Jan2016 00:18, ALAN GAULD wrote:
My only point of difference here, I think, is the definition
of a constructor. I consider a constructor to be the creator
of object instances, which makes the only default Python
constructor the __new__() since the __init__() is only an
initializer.
Me too
On 08Jan2016 10:19, Steven D'Aprano wrote:
[...]
"factory" methods (typically called '.from_*') can be:
Maybe I should have said "often" instead of "typically", if I said "typically".
I think they read well that way and there are several stdlib functions named
this way as a precedent. I'm
On 08/01/16 00:23, Alan Gauld wrote:
> Just another thought. Have you looked at asyncore yet? It seems
> ideally suited to your usecase and avoids all the threading
> problems (or more accurately lets Python deal with it invisibly)
OK, I just saw another message in another thread that says you ar
On 07/01/16 19:26, richard kappler wrote:
> The brief version, I am reading and parsing a data stream through a socket,
> several actually. Each new connection spawns a thread that reads and
> parses. Should the client close, I want the thread to terminate.
Just another thought. Have you looked
On 07/01/16 23:19, Steven D'Aprano wrote:
> "Factory methods" just means a method which you, the creator or author,
> thinks of as a factory. What's a factory? A function or method which
> takes a bunch of arguments and creates something useful.
In classic OOP a factory method is more specific
On Thu, Jan 07, 2016 at 11:42:18AM -0800, Alex Kleider wrote:
> Thank you to all who contributed to this thread.
> It has helped me immensely and I enjoyed some of the spirited
> discussion.
>
> Some of my notes follow (in case corrections are in order:-)
>
> my_notes = """
>
> @staticm
On 07Jan2016 14:26, richard kappler wrote:
See previous posts on 'looping generator' for details about the code and
project.
The brief version, I am reading and parsing a data stream through a socket,
several actually. Each new connection spawns a thread that reads and
parses. Should the client
On 07Jan2016 17:22, richard kappler wrote:
On Thu, Jan 7, 2016 at 5:07 PM, Cameron Simpson wrote:
Just a few followup remarks:
This is all Python 3, where bytes and strings are cleanly separated.
You've got a binary stream with binary delimiters, so we're reading binary
data and returning t
On Thu, Jan 7, 2016 at 5:07 PM, Cameron Simpson wrote:
>
> Just a few followup remarks:
>
> This is all Python 3, where bytes and strings are cleanly separated.
> You've got a binary stream with binary delimiters, so we're reading binary
> data and returning the binary XML in between. We separate
On 07/01/16 19:26, richard kappler wrote:
> several actually. Each new connection spawns a thread that reads and
> parses.
First question. Do you need to read AND parse in the thread. Could you
not read the raw data and send that to a parsing thread? Usually reading
the data won't be a problem (
On 08Jan2016 08:52, Cameron Simpson wrote:
[...]
Instead, gather the data progressively and emit XML chunks. You've got a TCP
stream - the TCPServer class will do an accept and handle you an _unbuffered_
binary stream file from which you can just .read(), ignoring any arbitrary
"packet" sizes.
On 07Jan2016 12:14, richard kappler wrote:
On Thu, Jan 7, 2016 at 12:07 PM, James Chapman wrote:
From an architectural POV I'd have a few listener threads that upon
receipt would spawn (or take from a pool is a better approach) a worker
thread to process the received data.
As would I.
That
Thank you to all who contributed to this thread.
It has helped me immensely and I enjoyed some of the spirited
discussion.
Some of my notes follow (in case corrections are in order:-)
my_notes = """
@staticmethod
def s_method(param_but_no_self_or_cls):
# An ordinary functi
On 07/01/16 18:31, richard kappler wrote:
> Alan, have you ever actually been guilty of 'missing something'? :-)
Actually quite often.
Usually when its late at night(tired) or early morning(no coffee)
or I'm rushing to go someplace.
But it happens quite a lot, Usually Steven or Peter or someone
w
Hi there Richard,
>I have a stream of incoming xml data. I can receive the data, parse
>the data, etc, so long as I don't get fancy and I have a miniscule
>delay in between each message. If I get rid of the time delay,
>which I need to, I need the script to continuously process the
>incoming
Hi Sarah!
instead of 'python hello.py', try
>>>import hello.py
using python hello.py works from the Linux command line (presumably Windows
as well) and it starts python then runs the hello.py script. From within
the python interpreter, you import the file and it executes.
HTH, Richard
On Thu,
On 07/01/16 13:40, Sarah Rasco wrote:
> In IDLE, I typed print ("Hello, world!") and hit enter, and it returned the
> message. I saved the file as hello.py in C:\python. Then, when I tried to
> run it in IDLE, I got a syntax error and it highlighted the '5' in the
> prompt 'python 3.5.1'.
I suspe
Hello,
I'm new to programming and was told that Python would be a good language to
start with. I downloaded version 3.5.1, and I have Windows 10.
In IDLE, I typed print ("Hello, world!") and hit enter, and it returned the
message. I saved the file as hello.py in C:\python. Then, when I tried to
r
Hi Richard
There are a number of considerations you need to take into account here.
Raw sockets is almost never the right solution, while a basic socket to
socket connection is easy enough to program, handling failure and
concurrency can very quickly make the solution a lot more complex than it
n
Brianna McGee wrote:
> I am a new to programming and have started out with modifying existing
> code to suit my purposes in my Developmental Psychology lab. The script
> worked fine previous to my fiddling with it, but now that I am trying to
> modify the x and y locations based upon a text file w
Hello everyone,
I'm trying make a the Simple Game program with GUI using wxPython. I
used multiprocessing library in Python version 3.4. But, wx.CallLater
Class doesn't work in subprocess.
classLOCthink(object):
def__init__(self):
super(LOCthink,self).__init__()
defengine_thi
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