Re: GUIs - A Modest Proposal
On 11/06/2010 08:35, rantingrick wrote: On Jun 11, 1:46 am, Mark Lawrencebreamore...@yahoo.co.uk wrote: I look forward to seeing your request on the Python bug tracker. Not holding my breath. Thanks Mark, its done! Tkinter Litmus Test I know, saw it on the bug tracker list before I left for work this morning. Spoilsport, fishing is just no fun any more, you dangle a bit of bait and it get's taken hook, line and sinker. Mark Lawrence -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
On Thu, Jun 10, 2010 at 2:07 PM, Stephen Hansen me+list/pyt...@ixokai.iowrote: On 6/10/10 10:48 AM, Victor Subervi wrote: Now, create_edit_passengers3() is called by the form/submit button in (you guessed it) create_edit_passengers2.py, the latter containing a var in it which *should* be accessible to create_edit_passengers3.py, one would think. Wait, wait, wait. If a user is browsing to, say, http://example.com/create_edit_passengers2.py; that script will be run, and once -done-, print out a form which the user sees. At that point, create_edit_passengers2.py is dead. Gone. Over. Once a person then clicks Submit, and the form is sent to http://example.com/create_edit_passengers3.py; its a whole new environment (assuming you're using CGI, which it appears you are). The *only* way for state or data to get from one script to another is not importing, or shared variables, or anything like that: you *have* to pass it into that form, and extract it from the resulting form. You can pass the actual variables as a input type=hidden, and then extract it like any of the user-fields. Or, you can write out your state to a local file with some unique ID, and just write out into the form that unique ID. Or use a cookie session. Etc. You *can't* pass variables around script-to-script among separate CGI sessions. It just totally doesn't work like that. Any success you think you have had is false; it works by mere accident or illusion. Each CGI script stands alone. It starts, runs, executes, then closes. No state is preserved unless you *explicitly* preserve it. You know, if this were the first time I'd worked with passing variables around through cgi, I'd think you may be right. But answer me this: if what you assume is correct, how in the heck is this variable being generated (and it is) in create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.py(as an input type=text...) and then being reinstantiated in another script? That is, if what you say is true, I should not be able to access it through ANY script whatsoever after create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.pyis dead, right??? Look closely: 1) variable value generated is create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.py 2) create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.pycalls create_edit_passengers3.py http://example.com/create_edit_passengers2.pyvia a form... and passes the value of the var thereunto. 3) theoretically! Yet for some reason I can't call it in create_edit_passengers3.py http://example.com/create_edit_passengers2.pybut *can* call it in a script that is imported by create_edit_passengers3.py http://example.com/create_edit_passengers2.py Now you guys can make fun of me all you want, but until you actually READ and UNDERSTAND what I'm writing, I'm afraid I think your criticisms are ridiculous and make you look like fools. For those who don't criticize me and are trying to help but misunderstand, hey, what can I say, who misunderstand so much myself lol. TIA, beno -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Thu, 10 Jun 2010 23:00:37 -0700 (PDT) rantingrick rantingr...@gmail.com wrote: On Jun 11, 12:17 am, ant shi...@uklinux.net wrote: I like the points about backwards compatibility. Presumably that reason alone is enough to keep Tkinter in the standard library for a long while. I don't see why that is a good reason. Download Tkinter and your backward compatible again. The majority don't use it anyway. I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. /W -- INVALID? DE! -- http://mail.python.org/mailman/listinfo/python-list
Re: passing environment variable path to open command
Thanks, both of the methods work fine:
open(os.path.expandvars(${SOMETHING}/sc_1.sh), r)
OR
infile = open(os.path.join(env, 'sc_1.sh'),r)
// Naderan *Mahmood;
From: Christian Heimes li...@cheimes.de
To: python-list@python.org
Sent: Fri, June 11, 2010 2:05:15 PM
Subject: Re: passing environment variable path to open command
Am 11.06.2010 10:39, schrieb Mahmood Naderan:
Hi,
I am new to python so my question may be very basic.
Suppose I have a file (sc_1.sh) which the path to that file is in system path:
SOMETHING=/home/mahmood/scripts
Now I want to open that file with respect to the environment variable:
import os
env = os.getenv(SOMETHING)
print env
infile = open(env/sc_1.sh,r)
But here is the error I get:
/home/mahmood/scripts
Traceback (most recent call last):
File test.py, line 7, in module
infile = open(env/sc_1.sh,r)
IOError: [Errno 2] No such file or directory: 'env/sc_1.sh'
How can I use such variable in open file command?
Thanks,
How about:
open(os.path.expandvars(${SOMETHING}/sc_1.sh), r)
See http://docs.python.org/library/os.path.html#os.path.expandvars
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Help with suds: HTTP Error 401
Hi,
I am trying to do a very simple thing with SUDS but I think I am
missing the obvious (first time I use suds)
I have small program that tries to open a wsdl. When I execute the
program I am getting 'suds.transport.TransportError: HTTP Error 401:
Unauthorized' Seems obvious but I specify username and pwd in the
code.
when use IE to go the wsdl, I get a pop-up asking me for the username
and pwd, I enter them, and the wsdl is displayed.
This is my code:
from suds import WebFault
from suds.client import Client
from suds.transport.http import HttpAuthenticated
t = HttpAuthenticated(username='admin', password='admin')
client = Client('http://.xxx.xx.x:8080/axis2/services/UcmdbService?
wsdl', transport=t)
I seems straightforward :(
Any help much appreciated.
Erik
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Re: GUIs - A Modest Proposal
Andreas Waldenburger ha scritto: On Thu, 10 Jun 2010 23:00:37 -0700 (PDT) rantingrick rantingr...@gmail.com wrote: On Jun 11, 12:17 am, ant shi...@uklinux.net wrote: I like the points about backwards compatibility. Presumably that reason alone is enough to keep Tkinter in the standard library for a long while. I don't see why that is a good reason. Download Tkinter and your backward compatible again. The majority don't use it anyway. I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. /W e.g.: http://heim.ifi.uio.no/~hpl/INF5660/PyBasics.pdf bye -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/11/10 7:48 AM, Andreas Waldenburger wrote: I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. /W Good point .Tkinter is very widely used in scientific visualization software: UCSF Chimera http://www.cgl.ucsf.edu/chimera/ PyMOL http://www.pymol.org/ There are others, no doubt. -- Kevin Walzer Code by Kevin http://www.codebykevin.com -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 11/06/2010 12:48, Andreas Waldenburger wrote: On Thu, 10 Jun 2010 23:00:37 -0700 (PDT) rantingrick rantingr...@gmail.com wrote: On Jun 11, 12:17 am, antshi...@uklinux.net wrote: I like the points about backwards compatibility. Presumably that reason alone is enough to keep Tkinter in the standard library for a long while. I don't see why that is a good reason. Download Tkinter and your backward compatible again. The majority don't use it anyway. I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. /W To quote R. David Murray on the Python bug tracker earlier today. Everyone who uses IDLE uses TKInter, and a lot of people use IDLE. Kindest regards. Mark Lawrence. -- http://mail.python.org/mailman/listinfo/python-list
a +b ?
hi,all！ it's a simple question: input two integers A and B in a line,output A+B? this is my program: s = input() t = s.split() a = int(t[0]) b = int(t[1]) print(a+b) but i think it's too complex,can anybody tell to slove it with less code. -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
yanhua ha scritto: hi,all?? it's a simple question: input two integers A and B in a line,output A+B? this is my program: s = input() this does not work t = s.split() a = int(t[0]) b = int(t[1]) print(a+b) but i think it's too complex,can anybody tell to slove it with less code. import operator print reduce(operator.add, map(int, raw_input().split())) 124312 41242 165554 bye -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
On 06/11/10 15:19, superpollo wrote: yanhua ha scritto: hi,all?? cut s = input() this does not work nitpicking Well it does if it is python 3 and not 2 as you are using :-)/nitpicking cut -- mph -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
On 6/11/10, yanhua gasf...@163.com wrote: hi,all！ it's a simple question: input two integers A and B in a line,output A+B? this is my program: s = input() t = s.split() a = int(t[0]) b = int(t[1]) print(a+b) but i think it's too complex,can anybody tell to slove it with less code. Just a thought, but less code is not always better; more code and comments often help others, and even yourself if you return to a project after some time, understand what the code does and how it works. However, you could try this: t=input().split() print(str(int(t[0])+int(t[1]))) -- http://mail.python.org/mailman/listinfo/python-list -- Have a great day, Alex (msg sent from GMail website) mehg...@gmail.com; http://www.facebook.com/mehgcap -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
2010/6/11 yanhua gasf...@163.com: hi,all！ it's a simple question: input two integers A and B in a line,output A+B? print sum(int(i) for i in raw_input(Please enter some integers: ).split()) -- Cheers, Simon B. -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
Simon Brunning ha scritto: 2010/6/11 yanhua gasf...@163.com: hi,all！ it's a simple question: input two integers A and B in a line,output A+B? print sum(int(i) for i in raw_input(Please enter some integers: ).split()) LOL -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
Andreas Waldenburger wrote: On Thu, 10 Jun 2010 23:00:37 -0700 (PDT) rantingrick rantingr...@gmail.com wrote: On Jun 11, 12:17 am, ant shi...@uklinux.net wrote: I like the points about backwards compatibility. Presumably that reason alone is enough to keep Tkinter in the standard library for a long while. I don't see why that is a good reason. Download Tkinter and your backward compatible again. The majority don't use it anyway. I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. /W Moreover, the majority of the python scripts/applications do not require any GUI, the majority of those which require a GUI don't require to be pretty anyway. JM -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
On 6/11/2010 4:46 AM Victor Subervi said... Now you guys can make fun of me all you want, but until you actually READ and UNDERSTAND what I'm writing, I'm afraid I think your criticisms are ridiculous and make you look like fools. I think the point is exactly as you state -- until you actually READ and UNDERSTAND what you're writing, I'm afraid your questions are ridiculous and make you look like a fool. Emile -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
2010/6/12 yanhua gasf...@163.com hi,all！ it's a simple question: input two integers A and B in a line,output A+B? this is my program: s = input() t = s.split() a = int(t[0]) b = int(t[1]) print(a+b) but i think it's too complex,can anybody tell to slove it with less code. -- The reason it looks complicated is because you're using one variable for everything you do. Look at others' answers - most of them are simply combining them into one line. Cheers, Xav -- http://mail.python.org/mailman/listinfo/python-list
pyjsglade: GTK-glade-like UI builder for pyjamas
https://sourceforge.net/projects/pyjsglade/ kees bos, the primary programmer who added all of the incredible python features to the pyjs compiler, such as support for yield, long data type and much more, has just started a project pyjsglade. its purpose is the same as that of GTK glade: allow developers to build GUIs based on an XML file format. whilst he's pretty much literally only just begun the project, it's a) useable because he needs it to be, for a work-related project b) kees is such a ridiculously competent programmer that by the time you read this it'll likely be 50% functional :) anyway, i thought i'd just let people informally know. l. -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
yanhua gasf...@163.com writes: it's a simple question: input two integers A and B in a line,output A+B? this is my program: s = input() input() is probably not what you think it is. Check raw_input instead. t = s.split() a = int(t[0]) b = int(t[1]) print(a+b) but i think it's too complex,can anybody tell to slove it with less code. print sum(map(int,raw_input().split())) or replace sum by reduce. BTW, it works with any number of integers You can find this by walking backwards in your code, starting at a+b, and generalizing a little bit on your way. -- Alain. -- http://mail.python.org/mailman/listinfo/python-list
Re: Which is the best implementation of LISP family of languages for real world programming ?
On 10 Giu, 23:33, bolega gnuist...@gmail.com wrote: I mean ordinary people, who may want to do things with their computers for scripting, tasks that python can do... Lisp is not for ordinary people, Python is. -- http://mail.python.org/mailman/listinfo/python-list
Re: a +b ?
On Fri, 11 Jun 2010 22:11:26 +0800, yanhua wrote:
hi,all！
it's a simple question:
input two integers A and B in a line,output A+B?
this is my program:
s = input()
t = s.split()
a = int(t[0])
b = int(t[1])
print(a+b)
but i think it's too complex,can anybody tell to slove it with less
code.
Why do you think it is too complex? That seems fine to me. If anything,
it is too SIMPLE -- where is the error checking? What if the user only
enters one number? Or three numbers? Or something that isn't a number at
all?
You can't get much simpler than your code -- you take a string, split it,
convert the parts into integers, and print the sum. That is very simple.
Compare it to this solution posted earlier:
(Python 2.x code)
import operator
print reduce(operator.add, map(int, raw_input().split()))
Look at how complex that is! You need to import a module, create a list
using map, look up the 'add' attribute on the module, then call reduce on
the list. Try explaining that to a new programmer who isn't familiar with
map and reduce. And can you imagine how much extra work the computer has
to do just to save a couple of lines of code?
No, I think your code is very simple. You can save a few lines by writing
it like this:
s = input('enter two numbers: ')
t = s.split()
print(int(t[0]) + int(t[1])) # no need for temporary variables a and b
but this still has the problem that there is no error checking for bad
user input. Fortunately this is Python, where bad input will just raise
an exception instead of causing a core dump, but still, this is too
simple for anything except quick-and-dirty scripts.
--
Steven
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Re: simple chat server
On Thu, 10 Jun 2010 15:26:28 -0700 (PDT), Burakk wrote: Hi, I am using ubuntu lucid and i have started to learn python(vrs 3.1). I am trying to make a tutorial code(see below) work but when i run the code, open a terminal window and connect as client with telnet and type somethings and hit enter, give me error below...(the terminal says connection closed by foreign host) if someone can help i will be glad... I know this is very little help, but your code appears to work fine under Python 2.5.2. -- To email me, substitute nowhere-spamcop, invalid-net. -- http://mail.python.org/mailman/listinfo/python-list
Re: [OT]romantic poetry
Mark Lawrence wrote: For a bit of light relief from those fed up of reading of the perceived shortcomings of tkinker thought you might like this. Enjoy :) http://www.cc.gatech.edu/fac/Spencer.Rugaber/poems/love.txt Kindest regards. Mark Lawrence AH hahahahahahahahahahahah Much appreciated! ~Ethan~ -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Jun 11, 9:06 am, Mark Lawrence breamore...@yahoo.co.uk wrote: Everyone who uses IDLE uses TKInter, and a lot of people use IDLE. That sounds like hyperbole to me. What evidence do you have to made such a statement. What evidence do *I* have to make the opposing statement. We don't, so add the warning and put your money where your mouth is instead of your foot :-! -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
On 6/11/10 4:46 AM, Victor Subervi wrote: You know, if this were the first time I'd worked with passing variables around through cgi, I'd think you may be right. But answer me this: if what you assume is correct, I do not assume. I know. With CGI, each web request is independent. This is simple fact. The web server launches Python, Python runs a script, Python returns a string containing the result, *Python closes*. The web host sends that string to the client. The Python application *ends*. Its memory is cleared. It is gone. This is how CGI works (and why CGI is almost never used anymore, as it is quite slow as a result-- most people use something like FastCGI or WSGI either with a long-running daemon Python process or embedding Python into Apache itself). When the next request comes in, it all starts up again: each request has only the information provided to it, either in cookies, the environment variables (there's quite a few interesting ones), and the request parameters. This is *how it works*. This is not some vague guess of mine. This is *years* of experience of *actually* doing *exactly* what you're doing (while at the time actually making an attempt to understand the actual processes going on instead of just moving things around in files and observing the results to guess what's going on under the covers). Sure, if you have some file that two separate scripts import, and in said file you generate some value-- as long as that value will be the same at all times, it'll appear that the two scripts are sharing some state. They are not, however. The two scripts can not communicate. Now you guys can make fun of me all you want, but until you actually READ and UNDERSTAND what I'm writing, I'm afraid I think your criticisms are ridiculous and make you look like fools. And this comment ends my attempt at assisting you, for multiple reasons (from the utter absurdity of you insisting we understand you when you take insultingly little care to actually express your problems clearly, to your arrogant and repeated refusal to take advice that is given, to your abject rudeness here, and so on). -- Stephen Hansen ... me+list/python (AT) ixokai (DOT) io signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: MySQLdb problems with named pipe connection on Windows 7?
On 6/10/2010 11:58 PM, Dennis Lee Bieber wrote: On Thu, 10 Jun 2010 14:15:21 -0700, John Naglena...@animats.com declaimed the following in gmane.comp.python.general: MySQL is configured for connections over named pipes only; it's not running as a TCP server. Is MySQLdb trying to use TCP for a local connection? The MySQLdb documentation says that connections to localhost on Windows will be made over named pipes. Does that not work? I wouldn't be a tad surprised if M$ Win7 has implemented some security/privilege scheme on named pipes such that cross process/user access is blocked. The MySQL command line client can connect with the same privileges. So that may not be the problem. John Nagle -- http://mail.python.org/mailman/listinfo/python-list
Re: simple chat server
In every dispatcher instance of your application I recommend to
override handle_error as follows:
class A(asyncore.dispatcher)
def handle_error(self):
raise
This will print a common traceback message instead of the compact one
provided by asyncore which provides a lot less information.
--- Giampaolo
http://code.google.com/p/pyftpdlib
http://code.google.com/p/psutil
2010/6/11 Burakk burak.kuyuca...@gmail.com:
Hi,
I am using ubuntu lucid and i have started to learn python(vrs 3.1). I
am trying to make a tutorial code(see below) work but when i run the
code, open a terminal window and connect as client with telnet and
type somethings and hit enter, give me error below...(the terminal
says connection closed by foreign host)
if someone can help i will be glad...
thanx
-- error: uncaptured python exception, closing channel
__main__.ChatSession connected 127.0.0.1:46654 at 0xb71cce8c (class
'TypeError':expected an object with the buffer interface [/usr/lib/
python3.1/asyncore.py|read|75] [/usr/lib/python3.1/asyncore.py|
handle_read_event|420] [/usr/lib/python3.1/asynchat.py|handle_read|
170]) --
code
from asyncore import dispatcher
from asynchat import async_chat
import asyncore
import socket
PORT = 5005
NAME = 'TestChat'
class ChatSession(async_chat):
def __init__(self, sock):
async_chat.__init__(self, sock)
self.set_terminator(xx)
self.data = []
def collect_incoming_data(self, data):
self.data.append(data)
def found_terminator(self):
line = ''.join(self.data)
self.data = []
self.push(line)
class ChatServer(dispatcher):
def __init__(self, port):
dispatcher.__init__(self)
self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
self.set_reuse_addr()
self.bind(('', PORT))
self.listen(5)
self.sessions = []
def handle_accept(self):
conn, addr = self.accept()
self.sessions.append(ChatSession(conn))
if __name__== '__main__':
s = ChatServer(PORT)
try: asyncore.loop()
except KeyboardInterrupt : print
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Good solutions for passing around large numbers of arguments in a layered architecture?
I've been running into a problem lately where I have an architecture like so: Main class - facade/configuration class - low level logic class. The main class is what the user interacts with. The facade/config class is responsible for loading and managing the lower level classes and providing a consistent interface to the main class. It can be hot swapped in/out to drastically change the functionality of the main class. The low level logic classes are responsible for dealing with domain primitives. The issue I'm having is that I want advanced users to be able to pass extra configuration information to the facade and low level classes if need be, without the signature drastically changing with different facade classes. Currently, I explicitly state parameters as much as possible at each level. To deal with low level logic classes that have a large number of possible options I allow the caller to pass a dictionary of options for that class. This leaves me with signatures that are upwards of 15 arguments long in some cases, the majority of them repeated in classes called from the main class. I've tried using args/kwargs, however I found it difficult to avoid having arguments in my signature re-ordered, and it is also a source of bugs. Has anyone come up with a good solution for dealing with arguments in situations like this where you'd like to encapsulate lower level stuff for neophyte users but make it easily available to advanced users? -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/10/10 10:17 PM, ant wrote: So would it be so awful to have Tkinter and GUI2 (whatever it is) in the stdlib, assuming that both had equivalent functionality? That would be the way to give people the choice. There's some slight precedent, in that the stdlib does offer more then one xml library -- from the suck of minidom, to sax, to elementtree. Then again they all sort of address slightly different domains of problems related to xml. Then there's urllib/urllib2 -- but usually, if one library duplicates the intent of another, they only co-exist until such time as the old one can Go Away. (Exactly how long that is, depends: some 'to go away' libraries can survive a very long time due to major usage). That said, I'd be worried about-- But it does imply that GUI2 is not too huge, to prevent excessive bloat (is that a tautology?). When you factor in dependencies, it might be a lot. Then again, it might not. Not counting dependencies, PyGUI seems reasonably sized -- the other major GUI's? Way too big. Other interesting comments: licencing. Can anyone give a concise summary of whether the 'major' GUIs have any insuperable licencing problems that would rule them out anyway? Programming is hard enough without lawyers. wxPython (and its dependency, wxWidgets) has a custom license, but its very Python-like. Meaning, its essentially 'do whatever you want, open, closed, commercial, charity, whatever'. QT is LGPL -- and although you can technically include LGPL stuff in non-[L]GPL libs, I don't think its policy in Python to allow it. It creates a burden / obligation. PyQT is GPL, so impossible to include at all. PySide, Nokia's answer to PyQt not changing their licensing terms when Nokia acquired TrollTech, is LGPL. Technically possible, but I don't think its allowable. PyGTK is LGPL. Same issues: and this raises a question with regards to PyGUI, which uses pygtk on linux to create its UI. I don't remember what other UI libs are out there. I might be wrong on the LGPL policy bit. But the only stuff I'm aware of that Python bundles (i.e., zlib, sqlite) have the permissive 'do whatever' type of license. I don't believe Python wants to create a situation where any burden is placed on someone who embeds it. -- Stephen Hansen ... me+list/python (AT) ixokai (DOT) io signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/10/10 11:00 PM, rantingrick wrote: On Jun 11, 12:17 am, ant shi...@uklinux.net wrote: I like the points about backwards compatibility. Presumably that reason alone is enough to keep Tkinter in the standard library for a long while. I don't see why that is a good reason. Download Tkinter and your backward compatible again. The majority don't use it anyway. I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. AFIK, Kevin is THE ONLY PYTHON programmer producing real professional GUI's with Tkinter -- i encourage anyone else to speak up if your out there producing real Tkinter GUI. (psst: i don't think we'll be seeing mobs in the streets, really i don't) Hint: the world and even Python community is a lot larger then this mailing list. A LOT. -- Stephen Hansen ... me+list/python (AT) ixokai (DOT) io signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/11/10 4:48 AM, Andreas Waldenburger wrote: I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. This. Its used in a lot of in-house / internal things. Another point: there's a not insignificant minority to whom 'just download it' simply doesn't apply. To replace tkinter would require a clea r upgrade path. Or a really, really, really long deprecation period. -- Stephen Hansen ... me+list/python (AT) ixokai (DOT) io signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: Good solutions for passing around large numbers of arguments in a layered architecture?
On Sat, Jun 12, 2010 at 3:00 AM, Nathan Rice nathan.alexander.r...@gmail.com wrote: I've tried using args/kwargs, however I found it difficult to avoid having arguments in my signature re-ordered, and it is also a source of bugs. Has anyone come up with a good solution for dealing with arguments in situations like this where you'd like to encapsulate lower level stuff for neophyte users but make it easily available to advanced users? Use a container instead and pass this around. eg: an Environment class. cheers James -- http://mail.python.org/mailman/listinfo/python-list
Looking for very complicated gettext PO file(s) for testing
I'm looking for one or more very complicated gettext PO files for testing. I know this sounds a bit OT, but these files will be used to test some Python-based PO utilities we've had to write to manage our PO files. We have our own in-house produced test files, but its always dangerous to test against your myopic view of the world. By complicated I mean lots of msgids, plural forms, comments, and/or non-standard extensions to the PO file syntax. I would be grateful for any samples sent via email or a link to a specific open source project with sophisticated PO files. Thank you, Malcolm -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
On Fri, Jun 11, 2010 at 12:24 PM, Stephen Hansen me+list/pyt...@ixokai.iowrote: Sure, if you have some file that two separate scripts import, and in said file you generate some value-- as long as that value will be the same at all times, it'll appear that the two scripts are sharing some state. They are not, however. The two scripts can not communicate. I'm glad you have lots of experience and I respect that. However, I did not say that two separate scripts import said file. To repeat: 1) variable value generated is create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.py 2) create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.pycalls create_edit_passengers3.py http://example.com/create_edit_passengers2.pyvia a form... and passes the value of the var thereunto. 3) theoretically! Yet for some reason I can't call it in create_edit_passengers3.py http://example.com/create_edit_passengers2.pybut *can* call it in a script that is imported by create_edit_passengers3.py http://example.com/create_edit_passengers2.py I think I'm being clear here, am I not? With all your knowledge and understanding, I still fail to understand how it is you don't understand and cannot answer my question. Now you guys can make fun of me all you want, but until you actually READ and UNDERSTAND what I'm writing, I'm afraid I think your criticisms are ridiculous and make you look like fools. And this comment ends my attempt at assisting you, for multiple reasons (from the utter absurdity of you insisting we understand you when you take insultingly little care to actually express your problems clearly, to your arrogant and repeated refusal to take advice that is given, to your abject rudeness here, and so on). That comment was not addressed to you as you didn't bother to quote the other part just after it, where I stated I appreciate your help and understand how difficult it is to not misunderstand each other. Sorry you misunderstood. I am not being arrogant or rude. My scripts work. I guess I can just let them work and not bother understanding *why* they work the way they do and not the way they *should*; however, if anyone would like to explain, using the 3 steps above, where the problem is, that would be nice. Sincerely, beno -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 11/06/2010 17:17, rantingrick wrote: On Jun 11, 9:06 am, Mark Lawrencebreamore...@yahoo.co.uk wrote: Everyone who uses IDLE uses TKInter, and a lot of people use IDLE. That sounds like hyperbole to me. What evidence do you have to made such a statement. What evidence do *I* have to make the opposing statement. We don't, so add the warning and put your money where your mouth is instead of your foot :-! I did *NOT* make the statement as my original post clearly shows. original To quote R. David Murray on the Python bug tracker earlier today. Everyone who uses IDLE uses TKInter, and a lot of people use IDLE. /original Looks like you're mad cos the bug tracker issue has already been closed as rejected. Or is it cos you fell for my bait? Or both? To paraphrase Tommy Docherty, Ranting Rick is to Python what King Herod was to baby sitting. Have a nice day. Mark Lawrence. -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
Andreas Waldenburger use...@geekmail.invalid writes: I have a strong suspicion that Tkinter may be used a lot more than is made public (isn't anything?). I'm especially thinking about scientists who write special purpose data processing or control programs with basic GUIs. These things don't have to be pretty or anything and it is a HUGE advantage if you don't have to jump through any hoops to get it to run on different platforms. Yes, I don'tthink that's limited to scientists either. One way to slap a basic GUI on something is to embed a web server in it, or run it as a CGI, so the user connects to it with a browser. I think most programmers are familiar with that idea, that GUI functionality doesn't have to be slick in order to be useful. Other times, you don't want a browser involved, and tkinter works fine for that. I've always found tkinter adequate for the (not terribly slick) applications I've written with guis. I can understand it's only good for relatively rudimentary apps, but that's sufficient for lots of things. -- http://mail.python.org/mailman/listinfo/python-list
Re: MySQLdb problems with named pipe connection on Windows 7?
I reconfigured MySQL to allow local network connections, and now MySQLdb works over TCP. It doesn't seem to be able to use Windows 7 named pipes, although the mysql command line client can. There may be a bug. This wouldn't be noticed unless MySQL was configured without network connections, which is rare. I set up MySQL that way on a development machine with a local MySQL instance. John Nagle On 6/11/2010 9:32 AM, John Nagle wrote: On 6/10/2010 11:58 PM, Dennis Lee Bieber wrote: On Thu, 10 Jun 2010 14:15:21 -0700, John Naglena...@animats.com declaimed the following in gmane.comp.python.general: MySQL is configured for connections over named pipes only; it's not running as a TCP server. Is MySQLdb trying to use TCP for a local connection? The MySQLdb documentation says that connections to localhost on Windows will be made over named pipes. Does that not work? I wouldn't be a tad surprised if M$ Win7 has implemented some security/privilege scheme on named pipes such that cross process/user access is blocked. The MySQL command line client can connect with the same privileges. So that may not be the problem. John Nagle -- http://mail.python.org/mailman/listinfo/python-list
Re: Which is the best implementation of LISP family of languages for real world programming ?
On 06/11/10 08:48, Elena wrote: On 10 Giu, 23:33, bolegagnuist...@gmail.com wrote: I mean ordinary people, who may want to do things with their computers for scripting, tasks that python can do... Lisp is not for ordinary people, Python is. Python is for ordinary people. Lisp is for extraordinary people. I believe nearly all people have the potential to be extraordinary, but most choose to remain merely ordinary. Sigh. -- http://mail.python.org/mailman/listinfo/python-list
Re: Which is the best implementation of LISP family of languages for real world programming ?
Haven't used it but Racket (http://racket-lang.org/) looks to be a new and improved Scheme -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
[reordering the message a bit] On 6/11/10 10:40 AM, Victor Subervi wrote: Now you guys can make fun of me all you want, but until you actually READ and UNDERSTAND what I'm writing, I'm afraid I think your criticisms are ridiculous and make you look like fools. On Fri, Jun 11, 2010 at 12:24 PM, Stephen Hansen me+list/pyt...@ixokai.iowrote: And this comment ends my attempt at assisting you, for multiple reasons (from the utter absurdity of you insisting we understand you when you take insultingly little care to actually express your problems clearly, to your arrogant and repeated refusal to take advice that is given, to your abject rudeness here, and so on). That comment was not addressed to you as you didn't bother to quote the other part just after it, where I stated I appreciate your help and understand how difficult it is to not misunderstand each other. Sorry you misunderstood. I am not being arrogant or rude. I think your criticisms are ridiculous and make you look like fools is what I object to. I didn't quote the rest, because it doesn't matter -- once you say something like that, you become an jerk. Once you're an jerk, you don't get to backtrack and say, 'oh, except you'. I don't really accept the appreciation from someone being an jerk. If you're an jerk at all, you can't really expect any sort of help at all :P That said, I'll answer once more: Sure, if you have some file that two separate scripts import, and in said file you generate some value-- as long as that value will be the same at all times, it'll appear that the two scripts are sharing some state. They are not, however. The two scripts can not communicate. I'm glad you have lots of experience and I respect that. However, I did not say that two separate scripts import said file. To repeat: 1) variable value generated is create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.py 2) create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.pycalls create_edit_passengers3.py http://example.com/create_edit_passengers2.pyvia a form... and passes the value of the var thereunto. 3) theoretically! Yet for some reason I can't call it in create_edit_passengers3.py http://example.com/create_edit_passengers2.pybut *can* call it in a script that is imported by create_edit_passengers3.py http://example.com/create_edit_passengers2.py I think I'm being clear here, am I not? With all your knowledge and understanding, I still fail to understand how it is you don't understand and cannot answer my question. You're not even *approaching* being clear. Variable value generated is means WHAT? What does generated mean? If you have a line, x = MyFunction() At the top level of some script, then everytime that script is called, MyFunction is called, and it assigns its value to x. If MyFunction is deterministic and doesn't rely on any sort of state, it'll be the same value every time. [For the rest of the analysis, I refuse to continue typing these absurdly long names. create_edit_passengers2.py is bar1.py, create_edit_passengers3.py is bar2.py] Okay, at 1, you say.. you have Value generated. When you go http://foo/bar1.py, then it will load, generate your value, dump the resulting output, and then close. And its done. That value ceases to exist. Okay, so. Step 2. The output that bar1 returned contained a form. This form, I assume (but you did not state), contains embedded in it the value of var. Yes? No? Either way Now we're at step 2. In step 2, you have some form, and its calling back to http://foo/bar2.py via a form, passing the value of var in it. I can't quite make out what all is going on here, so its all a guess, as you have this slightly crazy bar2.pyhttp://foo/bar1.py thing going on that I can't figure out. But, I'll just handwave that, and guess. So, bar2 receives our var. Then you say: 3) theoretically! Yet for some reason I can't call it in create_edit_passengers3.py http://example.com/create_edit_passengers2.pybut *can* call it in a script that is imported by create_edit_passengers3.py http://example.com/create_edit_passengers2.py I can't even vaguely guess at what you're trying to express there, which is why I didn't address this originally -- its utterly meaningless gibberish to me. Yet for some reason I can't call it in bar2.pyhttp://foo/bar1.py but *can* call it in a script that is imported by bar2.pyhttp://foo/bar1.py; First of all, what is it, and what are you calling -- using names like 'calling' is so very damaging to clarity when you're talking about CGI scripts interacting. As they don't call each-other. They return output. That output may contain a link (or form, or whatever) to another CGI script, or the same, or a different. That's not /calling/. Either way: when last step 2 left us, bar2.py had received the var via a form, and we aren't sure what happened then. It returned some output. What output? Or.. its doing something. Or, its the
Re: Deformed Form
Victor Subervi wrote: On Fri, Jun 11, 2010 at 12:24 PM, Stephen Hansen me+list/pyt...@ixokai.iowrote: Sure, if you have some file that two separate scripts import, and in said file you generate some value-- as long as that value will be the same at all times, it'll appear that the two scripts are sharing some state. They are not, however. The two scripts can not communicate. I'm glad you have lots of experience and I respect that. However, I did not say that two separate scripts import said file. To repeat: 1) variable value generated is create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.py 2) create_edit_passengers2.pyhttp://example.com/create_edit_passengers2.pycalls create_edit_passengers3.py http://example.com/create_edit_passengers2.pyvia a form... and passes the value of the var thereunto. 3) theoretically! Yet for some reason I can't call it in create_edit_passengers3.py http://example.com/create_edit_passengers2.pybut *can* call it in a script that is imported by create_edit_passengers3.py http://example.com/create_edit_passengers2.py I think I'm being clear here, am I not? With all your knowledge and understanding, I still fail to understand how it is you don't understand and cannot answer my question. snip You could try actually stating something approaching what your code is doing. variable value generated is create_edit_passengers2.py So you're generating that source code, and storing it in some variable called value? calls create_edit_passengers3.py You say you're calling create_edit_passengers3.py but that's not a function, it's a source file. You can't call a source file. And passes the value of the var therunto is mighty roundabout. Assuming you meant import in the last part, how are you passing the value? Import doesn't take any parameters. script that is imported by. Nitpick: a script cannot be imported. Once it is, it's a module. for some reason I can't call it in create_edit_passengers3.py No idea what it refers to, is it some mythical script that you're still trying to call? Your problem could be circular imports. If one module imports another, which directly or indirectly imports the first, you can get into various trouble. If somebody imports the *script* you're definitely hosed, since there will then be two instances of that one, the script, and the module. Maybe it's all clear if one looks at those files, but from here the links seem broken. So I'm just going by your message, which is confusing. I suggest you construct a simple example to show the problem, one small enough to include here in its entirety. Then describe it in proper Python terminology. DaveA -- http://mail.python.org/mailman/listinfo/python-list
Re: Which is the best implementation of LISP family of languages for real world programming ?
On Fri, Jun 11, 2010 at 11:03 AM, Chris Hulan chris.hu...@gmail.com wrote: Haven't used it but Racket (http://racket-lang.org/) looks to be a new and improved Scheme The language isn't new, just the name. Racket is the language formerly known as PLT Scheme. They decided that they made enough changes from R5RS that they should rename it. That way, when people ask questions, it's clear that they're talking about the PLT variant of Scheme and not the main standard. -- http://mail.python.org/mailman/listinfo/python-list
Re: simple chat server
Thank you for your replies... I have overriden the error handlers and the results: Traceback (most recent call last): File /home/burak/NetBeansProjects/intantMarkup/src/ 02basicServer.py, line 65, in module try: asyncore.loop() File /usr/lib/python3.1/asyncore.py, line 206, in loop poll_fun(timeout, map) File /usr/lib/python3.1/asyncore.py, line 147, in poll read(obj) File /usr/lib/python3.1/asyncore.py, line 79, in read obj.handle_error() File /usr/lib/python3.1/asyncore.py, line 75, in read obj.handle_read_event() File /usr/lib/python3.1/asyncore.py, line 420, in handle_read_event self.handle_read() File /usr/lib/python3.1/asynchat.py, line 170, in handle_read index = self.ac_in_buffer.find(terminator) TypeError: expected an object with the buffer interface But i want to add that i am writing the code in netbeans with python 3.1 and running the code from the programme.. Ubuntu deafult python is 2.6.5. Is this a problem. And i also want to add that i made the .py executable and run that from terminal too with the same results... -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
Ok. Starting over. Here is the script that generates the variable
new_passengers_curr_customers:
#!/usr/bin/python
import cgitb; cgitb.enable()
import cgi
import sys,os
sys.path.append(os.getcwd())
import MySQLdb
from login import login
from Curr_Passengers_Table import Curr_Passengers_Table
def create_edit_passengers():
print Content-Type: text/html
print
print '''
!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Frameset//EN
http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd;
head xmlns=http://www.w3.org/1999/xhtml;
/head
body
'''
user, passwd, db, host = login()
database = MySQLdb.connect(host, user, passwd, db)
cursor = database.cursor()
form = cgi.FieldStorage()
flight = form.getfirst('flight')
try:
cursor.execute('select c.id, p.name, p.weight, c.first_name,
c.middle_name, c.last_name, c.suffix from Passengers p join Customers c
where p.flights_id=%s;', flight)
passengers = cursor.fetchall()
except MySQLdb.ProgrammingError:
passengers = []
cursor.execute('select * from Flights where id=%s;', flight)
flight_data = cursor.fetchone()
print bYou have selected flight #%s, departing %s from %s and arriving
%s at %s./bbr /br / % (flight_data[0], flight_data[2],
flight_data[5], flight_data[3], flight_data[6])
if len(passengers) 0:
print 'form method=post action=create_edit_passengers3.py\n'
Curr_Passengers_Table(passengers)
print h2Add Passengers/h2
else:
print There are currently no passengers enrolled in this flight. Please
enter some.
print 'form method=post action=create_edit_passengers3.py\n'
*** RIGHT HERE! ***
print input type='text' size='2' maxlength='2'
name='new_passengers_curr_customers' /br /
^
*** SEE IT? ***
print input type='submit' value=' Send ' /
print '/body\n/html'
cursor.close()
create_edit_passengers()
Now, here's the form that *should* be able to access that variable:
!/usr/bin/python
import cgitb; cgitb.enable()
import cgi
import sys,os
sys.path.append(os.getcwd())
import MySQLdb
from login import login
import fpformat
from New_Passengers_Curr_Customers import New_Passengers_Curr_Customers
from New_Passengers_Addl_Customers import New_Passengers_Addl_Customers
from New_Passenger import New_Passenger
form = cgi.FieldStorage()
def sortedDictValues(adict):
items = adict.items()
items.sort()
return [value for key, value in items]
def create_edit_passengers3():
print Content-Type: text/html
print
print '''
!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Frameset//EN
http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd;
head xmlns=http://www.w3.org/1999/xhtml;
/head
body
'''
user, passwd, db, host = login()
database = MySQLdb.connect(host, user, passwd, db)
cursor = database.cursor()
cursor.execute('select id from Flights;')
flights = [itm[0] for itm in cursor]
cursor.execute('select id, first_name, middle_name, last_name, suffix from
Customers;')
customers = cursor.fetchall()
try:
cursor.execute('select p.id, c.first_name, c.middle_name, c.last_name,
c.suffix, c.discount, p.flights_id, p.name, f.price, c.id from Customers c
join Passengers p on c.id=p.customer_id join Flights f on p.flights_id=f.id
;')
passengers = cursor.fetchall()
print 'form method=post action=create_edit_passengers4.py\n'
start_html = table border='2'\n tr\n
tdbDelete?/b/td\ntdbFlight/b/td\n
tdbName/b/td\ntdbDiscount/b/td\n
tdbPrice/b/td\n /tr\n
passengers_html = []
ids = []
i = 0
for passenger in passengers:
do_delete = form.getfirst('%s:delete' % passenger[0])
passengers_html, i = New_Passenger(passengers_html, passenger,
do_delete, flights, ids, i)
printHTML = sortedDictValues(dict(zip(ids, passengers_html)))
if len(printHTML) 0:
print start_html
for html in printHTML:
print html
print /table
except MySQLdb.ProgrammingError:
pass
*** NOTE THIS:
new_passengers_curr_customers = New_Passengers_Curr_Customers(customers,
flights)
*** THAT LINE
if new_passengers_curr_customers 0:
print input type='submit' value=' Send ' /
print '/body\n/html'
cursor.close()
create_edit_passengers3()
See that line that I marked right at the end? So here's that script:
#!/usr/bin/python
import cgitb; cgitb.enable()
import cgi
form = cgi.FieldStorage()
def New_Passengers_Curr_Customers(customers, flights):
*** RIGHT HERE. SEE THIS LINE? WHY DOES IT WORK HERE AND NOT IN THE 2ND
SCRIPT IN THIS HERE EMAIL WHERE IT SHOULD WORK???***
new_passengers_curr_customers =
int(form.getfirst('new_passengers_curr_customers', 0))
*** THAT LINE ABOVE. RIGHT ABOVE HERE. OK?? ***
print input type='hidden' name='new_passengers_curr_customers'
value='%d' / % new_passengers_curr_customers
if new_passengers_curr_customers 0:
print table border='1'\n
print tr\ntd colspan='2' align='center'bFrom Current
Customers/b/td\n /tr
print tr\n
ANN: Komodo 6.0.0b1 -- adds Python 3 support
Hello all, We are pleased to tell you that Komodo IDE and Komodo Edit 6.0.0 Beta 1 were released today. If you're using 6.0.0 Alpha 2 then you can use Komodo's auto-update mechanism. Otherwise, you can get Beta 1 at: http://downloads.activestate.com/Komodo/releases/6.0.0b1/ For Pythonistas the most significant recent changes are the addition of Python 3 code intelligence support (i.e. autocomplete, calltips, Go To Definition, sections list, code browser)! Komodo 5 (the current production version) already supported background syntax checking and debugging for Python 3. This beta release finally rounds out Komodo's language support for Python 3. Test Framework Survey = We're running a survey on what Test Automation Frameworks people use (both in Python and not). We'd appreciate it if you would take the time to fill that out: only 4 questions. We'll post results from the survey on our blog (http://www.activestate.com/blog) next month. (We'll be giving away some t-shirts, too!) http://surveymonkey.com/s/june2010as Thanks! What else is in Komodo 6.0b1? = Other significant changes in Komodo 6.0.0b1 are: * New integrated toolbox * all your tools will now belong to one pane * faster loading and firing * tools are now standalone JSON files, that can be easily copied and exported * more features are planned * in the renovations are underway in order to serve you better department, tools in projects currently do not work. This should be fixed in the nightlies fairly soon. The toolbox main menu is also not operational. * UI improvements * goto-line is now an inline panel * child dialogs appear on same screen as Komodo window * better-looking icons * some menu rearrangements * Places File Manager * one-click access to all parent directories * it's now easier to move to recently visited directories * publishing (IDE only) * now works over slower connections * show diffs between local and remote files * numerous UI improvements * Rx toolkit (IDE only) * now supports JavaScript For a more detailed overview, check out the Komodo 6 descriptive features page: http://community.activestate.com/komodo-60-features As well as new features, Komodo 6 comes with a whole lot of enhancements and bug fixes. See the Release Notes section in Komodo's internal help viewer for the full list of changes. Please try it out and give us your feedback: emailhttp://listserv.activestate.com/mailman/listinfo/komodo-beta bugs http://bugs.activestate.com/enter_bug.cgi?product=Komodo forumhttp://community.activestate.com/products/Komodo Cheers, Trent -- Trent Mick Product Manager, Komodo and Python ActiveState, The Dynamic Language Experts http://www.activestate.com -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
... This is the first time you've actually clearly expressed what you're
doing.
On 6/11/10 12:11 PM, Victor Subervi wrote:
I dub thee Script1.py:
*** RIGHT HERE! ***
print input type='text' size='2' maxlength='2'
name='new_passengers_curr_customers' /br /
*** SEE IT? ***
Mmhmm.
I dub thee Script2.py:
*** NOTE THIS:
new_passengers_curr_customers = New_Passengers_Curr_Customers(customers,
flights)
*** THAT LINE
Okay.
I dub thee Script3.py:
import cgitb; cgitb.enable()
import cgi
form = cgi.FieldStorage()
def New_Passengers_Curr_Customers(customers, flights):
*** RIGHT HERE. SEE THIS LINE? WHY DOES IT WORK HERE AND NOT IN THE 2ND
SCRIPT IN THIS HERE EMAIL WHERE IT SHOULD WORK???***
new_passengers_curr_customers =
int(form.getfirst('new_passengers_curr_customers', 0))
*** THAT LINE ABOVE. RIGHT ABOVE HERE. OK?? ***
The only reason that moving the lines
form = cgi.FieldStorage()
and
blah = int(form.getfirst(blah, 0))
from Script3 to the exact place in Script2 (notwithstanding my not
wanting to type absurdly long variable names :P) wouldn't work, is if
you didn't move the lines correctly. Those will absolutely work just
fine in Script2.py. You had to have done it wrong. Maybe typo'd.
Show the traceback.
Hint: Never say it doesn't work, or I can't do this here, or it
won't or it can't. Show the actual traceback and the actual (not
retyped) chunk of code.
--
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Re: Deformed Form
Victor Subervi wrote:
Ok. Starting over. Here is the script that generates the variable
new_passengers_curr_customers:
[snip]
Now, here's the form that *should* be able to access that variable:
!/usr/bin/python
import cgitb; cgitb.enable()
import cgi
import sys,os
sys.path.append(os.getcwd())
import MySQLdb
from login import login
import fpformat
from New_Passengers_Curr_Customers import New_Passengers_Curr_Customers
This imports from module New_Passengers_Curr_Customers, which calls:
cgi.FieldStorage()
from New_Passengers_Addl_Customers import New_Passengers_Addl_Customers
from New_Passenger import New_Passenger
form = cgi.FieldStorage()
[snip]
Another call to:
cgi.FieldStorage()
*** NOTE THIS:
new_passengers_curr_customers =
New_Passengers_Curr_Customers(customers, flights)
*** THAT LINE
if new_passengers_curr_customers 0:
print input type='submit' value=' Send ' /
print '/body\n/html'
cursor.close()
create_edit_passengers3()
See that line that I marked right at the end? So here's that script:
#!/usr/bin/python
[snip]
import cgitb; cgitb.enable()
import cgi
form = cgi.FieldStorage()
def New_Passengers_Curr_Customers(customers, flights):
*** RIGHT HERE. SEE THIS LINE? WHY DOES IT WORK HERE AND NOT IN THE 2ND
SCRIPT IN THIS HERE EMAIL WHERE IT SHOULD WORK???***
new_passengers_curr_customers =
int(form.getfirst('new_passengers_curr_customers', 0))
*** THAT LINE ABOVE. RIGHT ABOVE HERE. OK?? ***
[snip]
Ok. So I think that was clear now.
TIA,
beno
The documentation for cgi.FieldStorage() says:
To get at submitted form data, it’s best to use the FieldStorage
class. The other classes defined in this module are provided mostly for
backward compatibility. Instantiate it exactly once, without arguments.
This reads the form contents from standard input or the environment
(depending on the value of various environment variables set according
to the CGI standard). Since it may consume standard input, it should be
instantiated only once.
It might be that the first call to cgi.FieldStorage() is consuming the
data, so the second call sees no data.
You could ensure that there are only 2 types of source file:
1. Script: called by CGI (not sure about the terminology here). It
fetches the values from the form using:
form = cgi.FieldStorage()
2. Module: imported to provide supporting functions. It never calls
cgi.FieldStorage(). If an imported function needs the form then it's
passed in explicitly.
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Re: Deformed Form
Victor Subervi wrote: Ok. Starting over. Here is the script that generates the variable new_passengers_curr_customers: snip Now, here's the form that *should* be able to access that variable: !/usr/bin/python import cgitb; cgitb.enable() import cgi import sys,os sys.path.append(os.getcwd()) import MySQLdb from login import login import fpformat from New_Passengers_Curr_Customers import New_Passengers_Curr_Customers from New_Passengers_Addl_Customers import New_Passengers_Addl_Customers from New_Passenger import New_Passenger form = cgi.FieldStorage() snip I have to guess here, since I have very limited CGI experience, and the FieldStorage() function/class isn't listed in my 2.6 docs. But my guess is that you only get to parse the cgi stuff once. So when you import another module that calls that same function, it clears it out so it's no longer accessible to you here. Think of a file open. Once read, the file-ptr is at the end, and further reads won't see anything. If I'm right, then you'd need something like rewind. Or if you just want this script to access the data, then move that line before the three imports. Your question would have been much easier to understand if you had referred to form field rather than variable, since I assumed you really meant Python variable. Also, this script is a CGI script, written in Python. But the other files that you import are python modules, not scripts. I'd also suggest you not use the same name for the module that you use for the function in that module. That's the cause of another confusion I had with your message. But back to your problem. I'd suggest you do all your form interaction from a single script, and pass any needed data explicitly to functions in the other modules, rather than having them try to look it up themselves. DaveA -- http://mail.python.org/mailman/listinfo/python-list
Re: function that counts...
Lie Ryan wrote:
In my original post in comp.programming, I
used this definition of factorial:
def fact(n):
factorial function (i.e. n! = n * (n-1) * ... * 2 * 1)
p = 1
for i in range(1,n+1):
p *= i
return p
Ah, much better, but partition10(M, i) gets the wrong answer when i is
1 or 2. I think you don't want to let M go negative. With that tweak,
it seems to work in general, and fact() never gets called with a
negative number.
What I really like about your partition10() is that it's adaptable to
efficiently handle bases much larger than 10. Richard Thomas's
algorithm is poly-time and efficient as long as the base is small.
I'll take the liberty of tweaking your code to handle the 1 or 2 digit
case, and write the more general form. I'll also memoize fact(), and
add prttn() and a test.
--
--Bryan
_ft = [1]
def fact(n):
assert n = 0 and n % 1 == 0
if len(_ft) = n:
for i in range(len(_ft), n + 1):
_ft.append(i * _ft[-1])
return _ft[n]
def C(n, r):
regular Combination (nCr)
return fact(n) // (fact(n - r) * fact(r))
def D(M, N):
Distribution aka Partitioning
assert M = 0 and N 0
return C(M + N - 1, M)
def partition(nballs, nbins, binmax):
Count ways to put identical balls into distinct bounded bins.
if nbins == 0:
return int(nballs == 0)
s = 0
sign = 1
for j in range(1 + min(nbins, nballs // binmax)):
s += sign * D(nballs, nbins) * C(nbins, j)
# flip the sign for inclusion-exclusion
sign *= -1
nballs -= binmax
return s
def prttn(m, n):
assert m = 0 and n 0
count = 0
dls = [int(c) for c in reversed(str(n))]
while dls:
msd = dls.pop()
count += sum(partition(m - d, len(dls), 10) for
d in range(min(msd, m + 1)))
m -= msd
return count
def test():
upto = 123456
counts = [0] * (len(str(upto)) * 9)
for n in range(upto):
digits = [int(c) for c in str(n)]
counts[sum(digits)] += 1
for m in range(9 * len(digits) + 2):
count = prttn(m, n + 1)
assert count == counts[m]
if count == 0:
break
assert count == 0
if n % 1000 == 0:
print('Tested to:', n)
test()
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Re: GUIs - A Modest Proposal
On Jun 11, 12:44 pm, Mark Lawrence breamore...@yahoo.co.uk wrote: original To quote R. David Murray on the Python bug tracker earlier today. Everyone who uses IDLE uses TKInter Thats a grossly general statement although it *is* a fact. Heres Another: Everyone who uses Tkinter uses Python... and the point is and a lot of people use IDLE. A lot? How many is a lot David. If you're going to present the group with such general ways of measuring value then at least give us a mapping so we can translate it into something tangible. Can you express a lot in the form of an integer? And where is the proof that supports this value A Lot. Hmm, I know *I* use IDLE so thats *one* person. However blabbing hear- say like some old lady at a hair salon is a non starter because it has no fact-based-foundation in reality, and so renders the argument completely inadmissible and quite frankly makes you look incompetent. Sadly however (in this group it seems) hearsay and hyperbole run a- muck on a daily basis. Release the ModuleRemovalWarning and you WILL then get back reliable information as to who *IS* and *IS NOT* wishing Tkinter to stay. But you won't do this because your afraid of being proven wrong. I would happily love to be proven wrong, WITH FACTS AND NOT HEARSAY THAT IS!. If the numbers are for keeping Tkinter then I will jump full-force into Tkinter/IDLE development. I already have many patches and improvements for both Tkinter and IDLE working nicely on my machine. Run the warning. Then and *only* then can we move forward with facts. Or you could just keep living in your self-aggrandizing fantasy world of I'm always right and everyone else is the moron. -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/11/2010 1:20 PM rantingrick said... On Jun 11, 12:44 pm, Mark Lawrencebreamore...@yahoo.co.uk wrote: and a lot of people use IDLE. A lot? How many is a lot 4050 (1) Emile :) --- (1) Results 1 - 10 of about 4,050 for python in idle. -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Fri, Jun 11, 2010 at 1:20 PM, rantingrick rantingr...@gmail.com wrote: On Jun 11, 12:44 pm, Mark Lawrence breamore...@yahoo.co.uk wrote: original To quote R. David Murray on the Python bug tracker earlier today. Everyone who uses IDLE uses TKInter Thats a grossly general statement although it *is* a fact. Heres Another: Everyone who uses Tkinter uses Python... and the point is and a lot of people use IDLE. A lot? How many is a lot David. If you're going to present the group with such general ways of measuring value then at least give us a mapping so we can translate it into something tangible. Can you express a lot in the form of an integer? And where is the proof that supports this value A Lot. Hmm, I know *I* use IDLE so thats *one* person. However blabbing hear- say like some old lady at a hair salon is a non starter because it has no fact-based-foundation in reality, and so renders the argument completely inadmissible and quite frankly makes you look incompetent. Sadly however (in this group it seems) hearsay and hyperbole run a- muck on a daily basis. Release the ModuleRemovalWarning and you WILL then get back reliable information as to who *IS* and *IS NOT* wishing Tkinter to stay. But you won't do this because your afraid of being proven wrong. I would happily love to be proven wrong, WITH FACTS AND NOT HEARSAY THAT IS!. If the numbers are for keeping Tkinter then I will jump full-force into Tkinter/IDLE development. I already have many patches and improvements for both Tkinter and IDLE working nicely on my machine. Run the warning. Then and *only* then can we move forward with facts. Or you could just keep living in your self-aggrandizing fantasy world of I'm always right and everyone else is the moron. I'm currently doing an analysis of pypi data to see what modules are being used and how much. If you're so interested in knowing how widely used tkinter is, please contact me- we could certainly use some additional processor time. Geremy Condra -- http://mail.python.org/mailman/listinfo/python-list
Re: Deformed Form
On 6/11/10 1:09 PM, Dave Angel wrote: Your question would have been much easier to understand if you had referred to form field rather than variable, since I assumed you really meant Python variable. Also, this script is a CGI script, written in Python. But the other files that you import are python modules, not scripts. Yeah, those exact terminology issues tripped me up very hard in understanding what was going on. -- Stephen Hansen ... me+list/python (AT) ixokai (DOT) io signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/11/10 1:20 PM, rantingrick wrote:
Run the warning. Then and *only* then can we move forward with facts.
http://google.com/codesearch?q=%22from+Tkinter+import%22
http://google.com/codesearch?q=%22import+Tkinter%22
Compared to:
http://google.com/codesearch?q=%22from+wx+import%22
http://google.com/codesearch?q=%22import+wx%22
and
http://google.com/codesearch?q=%22from+PyQT4+import%22
http://google.com/codesearch?q=%22import+PyQT4%22
-1; This most trivial and unreliable of metrics is, despite its limited
effectiveness, enough alone to show that there is sufficient usage of
Tkinter to argue against removal without a compelling replacement being
available and a migration path available for those who used Tkinter
before to make use of this replacement.
There is neither a compelling replacement ready yet (though PyGUI may
become one, sure) nor any migration path available ('just download
tkinter from pypi' is not sufficient)
--
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... me+list/python (AT) ixokai (DOT) io
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Re: Which is the best implementation of LISP family of languages for real world programming ?
On 11 Giu, 20:03, Chris Hulan chris.hu...@gmail.com wrote: Haven't used it but Racket (http://racket-lang.org/) looks to be a new and improved Scheme I have checked it out and I don't recommend it to others. Racket is not Scheme anymore (it can't use SLIB, which relies on common Scheme facilities). Racket is a language and an environment on their own. For instance: debugging facilities are hidden into its IDE, therefore you'll have to leave your debugging environment of choice. Yes, you can run a REpL outside of its IDE, but you can't do much more than that. -- http://mail.python.org/mailman/listinfo/python-list
Re: Good solutions for passing around large numbers of arguments in a layered architecture?
On 6/11/10 10:00 AM, Nathan Rice wrote: I've tried using args/kwargs, however I found it difficult to avoid having arguments in my signature re-ordered, and it is also a source of bugs. Has anyone come up with a good solution for dealing with arguments in situations like this where you'd like to encapsulate lower level stuff for neophyte users but make it easily available to advanced users? I'd just use a dictionary, with some namespacey sort of names for the arguments. Sort of like how layered WSGI apps have their 'environ' object. Its like, environ[beaker.session.blah] = fubar. Though that's something of a mix of configuration and state. -- Stephen Hansen ... me+list/python (AT) ixokai (DOT) io signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Jun 11, 4:08 pm, Stephen Hansen me+list/pyt...@ixokai.io wrote:
On 6/11/10 1:20 PM, rantingrick wrote:
Run the warning. Then and *only* then can we move forward with facts.
http://google.com/codesearch?q=%22from+Tkinter+import%22http://google.com/codesearch?q=%22import+Tkinter%22
Compared to:
http://google.com/codesearch?q=%22from+wx+import%22http://google.com/codesearch?q=%22import+wx%22
and
http://google.com/codesearch?q=%22from+PyQT4+import%22http://google.com/codesearch?q=%22import+PyQT4%22
-1; This most trivial and unreliable of metrics is, despite its limited
effectiveness, enough alone to show that there is sufficient usage of
Tkinter to argue against removal without a compelling replacement being
available and a migration path available for those who used Tkinter
before to make use of this replacement.
There is neither a compelling replacement ready yet (though PyGUI may
become one, sure) nor any migration path available ('just download
tkinter from pypi' is not sufficient)
Fair enough! Although whether or not we want to remove Tkinter i think
it would be a good idea to get some feedback. But alas i am tired of
fighting with you guys about it.
So, since we are *keeping* Tkinter i want some suggestions for
improvement. And don't go telling me that nothing needs fixing,
because i have documented time and again the problems in Tkinter and
IDLE. I have already made patches/fixes for some of them but somehow i
fear the *in crowd* will never accept my changes just from pure spite.
So let me hear of ANY improvements and/or suggestions for Tkinter/IDLE
docs, code, or whatever.
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Re: GUIs - A Modest Proposal
On Fri, Jun 11, 2010 at 4:19 PM, rantingrick rantingr...@gmail.com wrote:
On Jun 11, 4:08 pm, Stephen Hansen me+list/pyt...@ixokai.io wrote:
On 6/11/10 1:20 PM, rantingrick wrote:
Run the warning. Then and *only* then can we move forward with facts.
http://google.com/codesearch?q=%22from+Tkinter+import%22http://google.com/codesearch?q=%22import+Tkinter%22
Compared to:
http://google.com/codesearch?q=%22from+wx+import%22http://google.com/codesearch?q=%22import+wx%22
and
http://google.com/codesearch?q=%22from+PyQT4+import%22http://google.com/codesearch?q=%22import+PyQT4%22
-1; This most trivial and unreliable of metrics is, despite its limited
effectiveness, enough alone to show that there is sufficient usage of
Tkinter to argue against removal without a compelling replacement being
available and a migration path available for those who used Tkinter
before to make use of this replacement.
There is neither a compelling replacement ready yet (though PyGUI may
become one, sure) nor any migration path available ('just download
tkinter from pypi' is not sufficient)
Fair enough! Although whether or not we want to remove Tkinter i think
it would be a good idea to get some feedback. But alas i am tired of
fighting with you guys about it.
So, since we are *keeping* Tkinter i want some suggestions for
improvement. And don't go telling me that nothing needs fixing,
because i have documented time and again the problems in Tkinter and
IDLE. I have already made patches/fixes for some of them but somehow i
fear the *in crowd* will never accept my changes just from pure spite.
This is the important part of life where you find out you aren't everybody
else's boss.
So let me hear of ANY improvements and/or suggestions for Tkinter/IDLE
docs, code, or whatever.
If you don't know of anything wrong with it, why raise this huge stink?
If you do, why are you asking us? Just go fix it.
Geremy Condra
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Tkinter Toplevel sizing issue (using a grid)
Hello all, Hi this i my first post here. I would like to create a tkinter toplevel window with a custom resize action based on a grid. From the Tk docs it say you can do this but for the life of me i cannot figure out how? In my app i wish for the main window to only resize in 20 pixel jumps (if you will). I have tried using the toplevel.grid() and setgrid option and no luck! ## here is the tk doc page about setGrid http://www.tcl.tk/man/tcl/TkLib/SetGrid.htm ## here is the Tkinter method from wm class def wm_grid(self, baseWidth=None, baseHeight=None, widthInc=None, heightInc=None): Instruct the window manager that this widget shall only be resized on grid boundaries. WIDTHINC and HEIGHTINC are the width and height of a grid unit in pixels. BASEWIDTH and BASEHEIGHT are the number of grid units requested in Tk_GeometryRequest. return self._getints(self.tk.call( 'wm', 'grid', self._w, baseWidth, baseHeight, widthInc, heightInc)) grid = wm_grid ## Here is my code. from Tkinter import * class TopWin(Tk): def __init__(self): Tk.__init__(self)#, setgrid=1) #self.maxsize(width=50, height=50) #self.minsize(width=1, height=1) self.grid(10, 10, 20, 20) topwin = TopWin() topwin.mainloop() Please help. I am going nuts trying to make this work for three hours already :( -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
So let me hear of ANY improvements and/or suggestions for Tkinter/IDLE docs, code, or whatever. Why don't you modify the IDLE code to use the newer ttk widget set, rather than what its using now? You'd be surprised at how much difference you'll see. -- http://mail.python.org/mailman/listinfo/python-list
Re: KinterBasDB - how to change the mode: embedded/server
On Jun 11, 5:07 pm, durumdara durumd...@gmail.com wrote: Hi! I want to use KinterBasDB in mixed mode: sometimes embedded, sometimes real local/remote server. How can I set up the connection to KinterBasDB can determine, what mode I want to use? Thanks for your help: dd you could use 2 connection strings and make the selection yourself as needed. e.g. def kbconnector(connectionmode): if connectionmode=='use_embedded': myonnectionstring=. elif connectionmode=='use_real': myconnectionstring=kinterbasdb.connect return myconnectionstring #connect to the embedded server somemode='use_embedded' myconnector=kbconnector(somemode) mycursor=myconnector.cursor() -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
Stephen Hansen wrote: There's very little you can do with pywin32 that you can't do with ctypes. Except, apparently, use it from another module in the stdlib. :-( -- Greg -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
Steven D'Aprano wrote: This reminds me of time-travellers suffering from time lag in the wonderful novel To Say Nothing Of The Dog by Connie Willis. One of the many excellent reasons why Guido keeps tight control over the keys to his time machine. Time-lagged joyriding teenagers careening around the space-time continuum can be quite a hazard. -- Greg -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Sat, 12 Jun 2010 14:13:44 +1200, Gregory Ewing wrote: Steven D'Aprano wrote: This reminds me of time-travellers suffering from time lag in the wonderful novel To Say Nothing Of The Dog by Connie Willis. One of the many excellent reasons why Guido keeps tight control over the keys to his time machine. Time-lagged joyriding teenagers careening around the space-time continuum can be quite a hazard. Imagine the havoc if RantingRick accidentally goes back in time and deactivates the Timbot. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
lambda question
Starting with an example. In [23]: x = [1,2,3,4,4,4,5,5,3,2,2,] In [24]: y = set(x) In [25]: y Out[25]: set([1, 2, 3, 4, 5]) In [26]: y2 = len(set(x)) In [27]: y2 Out[27]: 5 How would I do the above y2 = len(set(x)) but have len(set()) in a dictionary. I know how to do .. In [30]: d = dict(s=set) In [32]: d['s'](x) Out[32]: set([1, 2, 3, 4, 5]) but not sure how to add the len() and thought maybe the answer in a lambda function. I know I could def a function but would prefer to keep it all on one line. Thanks Vincent -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 6/11/10 7:11 PM, Gregory Ewing wrote: Stephen Hansen wrote: There's very little you can do with pywin32 that you can't do with ctypes. Except, apparently, use it from another module in the stdlib. :-( Yeah. I get the policy in general, a proliferation of ctypes stuff could be very bad -- but if code is very careful with type-checking and stuff, it should be possible to get an exception, I'd hope. Otherwise it makes certain windows-workarounds very problematic. You basically /have/ to write a C extension :| -- Stephen Hansen ... Also: Ixokai ... Mail: me+list/python (AT) ixokai (DOT) io ... Blog: http://meh.ixokai.io/ signature.asc Description: OpenPGP digital signature -- http://mail.python.org/mailman/listinfo/python-list
Re: lambda question
On Fri, Jun 11, 2010 at 9:31 PM, Vincent Davis vinc...@vincentdavis.net wrote: Starting with an example. In [23]: x = [1,2,3,4,4,4,5,5,3,2,2,] In [24]: y = set(x) In [25]: y Out[25]: set([1, 2, 3, 4, 5]) In [26]: y2 = len(set(x)) In [27]: y2 Out[27]: 5 How would I do the above y2 = len(set(x)) but have len(set()) in a dictionary. I know how to do .. In [30]: d = dict(s=set) In [32]: d['s'](x) Out[32]: set([1, 2, 3, 4, 5]) but not sure how to add the len() and thought maybe the answer in a lambda function. I know I could def a function but would prefer to keep it all on one line. d = dict(s=lambda x: len(set(x))) d['s'](x) 5 Cheers, Ian -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Jun 11, 12:17 am, ant shi...@uklinux.net wrote: I like the points about backwards compatibility. Presumably that reason alone is enough to keep Tkinter in the standard library for a long while. I don't see why that is a good reason. Download Tkinter and your backward compatible again. The majority don't use it anyway. I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. AFIK, Kevin is THE ONLY PYTHON programmer producing real professional GUI's with Tkinter -- i encourage anyone else to speak up if your out there producing real Tkinter GUI. (psst: i don't think we'll be seeing mobs in the streets, really i don't) So would it be so awful to have Tkinter and GUI2 (whatever it is) in the stdlib, assuming that both had equivalent functionality? That would be an atrociously horrible idea! One GUI is more than enough. Some would say one GUI is far too much. Two GUIs? Yea that'll get a warm reception from pydev. ;-) -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 06/11/10 07:00, rantingrick wrote: cut I would bet that only myself, Kevin, and only a handful of others use Tkinter for anything more than education purposes. AFIK, Kevin is THE ONLY PYTHON programmer producing real professional GUI's with Tkinter -- i encourage anyone else to speak up if your out there producing real Tkinter GUI. (psst: i don't think we'll be seeing mobs in the streets, really i don't) The Karaoke Network, Kiosk machine uses tkinter on win32 for the passcode interface (on screen keyboard). Randstad HR Solutions (before that part has been sold off) had several small database tools (which where cli orientated) using tkinter for interactivity on win linux/win32. Though I don't like tkinter either, but I don't seem to hate it as much as others do. -- mph -- http://mail.python.org/mailman/listinfo/python-list
[OT]romantic poetry
For a bit of light relief from those fed up of reading of the perceived shortcomings of tkinker thought you might like this. Enjoy :) http://www.cc.gatech.edu/fac/Spencer.Rugaber/poems/love.txt Kindest regards. Mark Lawrence -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Jun 11, 12:48 am, Martin v. Loewis mar...@v.loewis.de wrote: So Tkinter is a good choice, then, as it *does* have native widgets. And it only took how many years? ;-) Ok i have a litmus test in mind, a way we can get a *real* idea of how many python programmers actually want Tkinter to stay. In the next release of Python 2.x and 3.x create a warning upon import of Tkinter that says this... --- ModuleRemovalWarning: Tkinter --- The GUI module Tkinter is being considered for removal from the Python stdlib FOREVER. If you use Tkinter and wish for it to stay in the stdlib you need to visit www.savetkinter.com and cast your vote now. The voting will end on dd/mm/ so make sure to cast your vote or don't be complaining about it later. Note: Simon Cowell WILL NOT be making a celebrity appearance! What can pydev lose from such a test? If the numbers are large then i will jump full force behind Tkinter. But if not, we know it's time to act. -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On 11/06/2010 07:28, rantingrick wrote: On Jun 11, 12:48 am, Martin v. Loewismar...@v.loewis.de wrote: So Tkinter is a good choice, then, as it *does* have native widgets. And it only took how many years? ;-) Ok i have a litmus test in mind, a way we can get a *real* idea of how many python programmers actually want Tkinter to stay. In the next release of Python 2.x and 3.x create a warning upon import of Tkinter that says this... --- ModuleRemovalWarning: Tkinter --- The GUI module Tkinter is being considered for removal from the Python stdlib FOREVER. If you use Tkinter and wish for it to stay in the stdlib you need to visit www.savetkinter.com and cast your vote now. The voting will end on dd/mm/ so make sure to cast your vote or don't be complaining about it later. Note: Simon Cowell WILL NOT be making a celebrity appearance! What can pydev lose from such a test? If the numbers are large then i will jump full force behind Tkinter. But if not, we know it's time to act. I look forward to seeing your request on the Python bug tracker. Not holding my breath. Mark Lawrence. -- http://mail.python.org/mailman/listinfo/python-list
Re: sir
En Wed, 09 Jun 2010 05:03:36 -0300, madhuri vio madhuri@gmail.com escribió: url[, data[, timeout]) in this format of passing arguments i dint understand d syntax...d comma is coming immediately after the bracket...dint get it.. Those square brackets are not real brackets, you're not supposed to actually include them. They indicate an optional section, e.g., given this description: FTP.connect(host[, port[, timeout]]) you may invoke the method as: connect(host) connect(host, port) connect(host, port, timeout) -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
On Jun 11, 1:46 am, Mark Lawrence breamore...@yahoo.co.uk wrote: I look forward to seeing your request on the Python bug tracker. Not holding my breath. Thanks Mark, its done! Tkinter Litmus Test -- http://mail.python.org/mailman/listinfo/python-list
Re: How do subprocess.Popen(ls | grep foo, shell=True) with shell=False?
On 6/10/2010 11:40 AM, Chris Seberino wrote: Even if zombies are created, they will eventually get dealt with my OS w/o any user intervention needed right? Bad approach. Years ago I inherited a server that didn't do a proper cleanup pf its slaves. After a few days running, people discovered that the machine performance was seriously degrading. I was called in and found that there were around 10,000 defunct processes (not zombies). Remember boys and girls. Neatness counts. -- Time flies like the wind. Fruit flies like a banana. Stranger things have .0. happened but none stranger than this. Does your driver's license say Organ ..0 Donor?Black holes are where God divided by zero. Listen to me! We are all- 000 individuals! What if this weren't a hypothetical question? steveo at syslang.net -- http://mail.python.org/mailman/listinfo/python-list
Re: How to read source code of python?
On Jun 10, 7:53 am, Floris Bruynooghe floris.bruynoo...@gmail.com wrote: On Jun 10, 8:55 am, Thomas Jollans tho...@jollans.com wrote: On 06/10/2010 07:25 AM, Qijing Li wrote: Thanks for your reply. I'm trying to understand python language deeply and use it efficiently. For example: How the operator in works on list? the running time is be O(n)? if my list is sorted, what the running time would be? Taking this example, you know you want the in operator. Which you somehow need to know is implemented by the __contains__ protocol (you can find this in the expressions section of the Language Reference). Now you can either know how objects look like in C (follow the Extending and Embedding tutorial, specifically the Defining New Types section) and therefore know you need to look at the sq_contains slot of the PySequenceMethods sturcture. Or you could just locate the list object in Objects/listobjects.c (which you can easily find by looking at the source tree) and search for contains. Both ways will lead you pretty quickly to the list_contains() function in Objects/listobject.c. And now you just need to know the C-API (again in the docs) to be able to read it (even if you don't that's a pretty straightforward function to read). Hope that helps Floris It does help, thank you. I think I know where to start, I found somethings I'm interested in in listobject.c. -- http://mail.python.org/mailman/listinfo/python-list
Re: How to read source code of python?
On Jun 10, 10:26 am, Giampaolo Rodolà g.rod...@gmail.com wrote: 2010/6/10 Leon qjing...@gmail.com: Hi, there, I'm trying to read the source code of python. I read around, and am kind of lost, so where to start? Any comments are welcomed, thanks in advance. -- http://mail.python.org/mailman/listinfo/python-list If you're interested in understanding Python internals you might want to take a look at this:http://tech.blog.aknin.name/category/my-projects/pythons-innards/ --- Giampaolohttp://code.google.com/p/pyftpdlibhttp://code.google.com/p/psutil Great stuff, which works for me very well. -- http://mail.python.org/mailman/listinfo/python-list
Re: Decimal problem
On jún. 10, 23:01, Mark Dickinson dicki...@gmail.com wrote: On Jun 10, 8:45 pm, durumdara durumd...@gmail.com wrote: ne 91, in fixed_conv_out_precise from decimal import Decimal ImportError: cannot import name Decimal Is it possible that you've got another file called decimal.py somewhere in Python's path? What happens if you start Python manually and type 'from decimal import Decimal' at the prompt? -- Mark Hi! A I found the problem. But before this I destroyed my machine fully... :- ( The problem is ACTUAL PATH. My script name was copy.py. If I tried to start python here, and type import decimal the python was crashed on. Because decimal is uses copy and number modules. The decimal is imported my module, not the system... Ajja... I need to reinstall all tools that was in this machine, because I uninstalled/deleted everything to find the source of the problem - what was next to my eyes... :-( Thanks for your help: dd -- http://mail.python.org/mailman/listinfo/python-list
passing environment variable path to open command
Hi, I am new to python so my question may be very basic. Suppose I have a file (sc_1.sh) which the path to that file is in system path: SOMETHING=/home/mahmood/scripts Now I want to open that file with respect to the environment variable: import os env = os.getenv(SOMETHING) print env infile = open(env/sc_1.sh,r) But here is the error I get: /home/mahmood/scripts Traceback (most recent call last): File test.py, line 7, in module infile = open(env/sc_1.sh,r) IOError: [Errno 2] No such file or directory: 'env/sc_1.sh' How can I use such variable in open file command? Thanks, // Naderan *Mahmood; -- http://mail.python.org/mailman/listinfo/python-list
Re: Which is the best implementation of LISP family of languages for real world programming ?
p...@informatimago.com (Pascal J. Bourguignon) writes: What applets? Have you ever seen a java applet? Last time I saw one it must have been fifteen years ago. I see one each time I log into my internet banking service. Unfortunately. -- (espen) -- http://mail.python.org/mailman/listinfo/python-list
Re: Which is the best implementation of LISP family of languages for real world programming ?
On Thu, 10 Jun 2010 13:14:01 -0700, bolega wrote: Please compare LISP and its virtues with other languages such as javascript, python etc. Generally, it is advisable to cross-post questions like this to at least 50 other language newsgroups. For example, you are not giving Ruby users a fair chance to compare their language to Lisp, Java, and Python. Also, you missed Fortran! The guiding principle should be to choose a wide range of languages, the more disparate the better. OTOH, I applaud the lack of specificity. Lesser minds would have asked about a specific Lisp dialect, such as CL. Such things should be avoided, as they focus the discussion unnecessarily. Cheers, Tamas -- http://mail.python.org/mailman/listinfo/python-list
KinterBasDB - how to change the mode: embedded/server
Hi! I want to use KinterBasDB in mixed mode: sometimes embedded, sometimes real local/remote server. How can I set up the connection to KinterBasDB can determine, what mode I want to use? Thanks for your help: dd -- http://mail.python.org/mailman/listinfo/python-list
Re: passing environment variable path to open command
Mahmood Naderan wrote: Hi, I am new to python so my question may be very basic. Suppose I have a file (sc_1.sh) which the path to that file is in system path: SOMETHING=/home/mahmood/scripts Now I want to open that file with respect to the environment variable: import os env = os.getenv(SOMETHING) print env infile = open(env/sc_1.sh,r) But here is the error I get: /home/mahmood/scripts Traceback (most recent call last): File test.py, line 7, in module infile = open(env/sc_1.sh,r) IOError: [Errno 2] No such file or directory: 'env/sc_1.sh' How can I use such variable in open file command? Thanks, *// Naderan *Mahmood;* import os infile = open(os.path.join(env, 'sc_1.sh'),r) JM -- http://mail.python.org/mailman/listinfo/python-list
Re: passing environment variable path to open command
Am 11.06.2010 10:39, schrieb Mahmood Naderan:
Hi,
I am new to python so my question may be very basic.
Suppose I have a file (sc_1.sh) which the path to that file is in system path:
SOMETHING=/home/mahmood/scripts
Now I want to open that file with respect to the environment variable:
import os
env = os.getenv(SOMETHING)
print env
infile = open(env/sc_1.sh,r)
But here is the error I get:
/home/mahmood/scripts
Traceback (most recent call last):
File test.py, line 7, in module
infile = open(env/sc_1.sh,r)
IOError: [Errno 2] No such file or directory: 'env/sc_1.sh'
How can I use such variable in open file command?
Thanks,
How about:
open(os.path.expandvars(${SOMETHING}/sc_1.sh), r)
See http://docs.python.org/library/os.path.html#os.path.expandvars
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Re: Deformed Form
Stephen Hansen a écrit : On 6/10/10 8:35 AM, Bruno Desthuilliers wrote: Stephen Hansen (L/P) a écrit : On 6/10/10 7:14 AM, Victor Subervi wrote: (snip) +1 for absolutely worst framed question of the day :) IMHO you're wasting your time. Some guys never learn, and I guess we do have a world-class all-times champion here. Well, he eventually learned about bare excepts and using string formatting in SQL. It took a long time, but he finally believed us. No ??? Incredible. Perhaps I'm being a bit too pessimistic then. He just sort of needs to give us the benefit of the doubt when we say, umm, its bad to do that :) -- http://mail.python.org/mailman/listinfo/python-list
Re: GUIs - A Modest Proposal
rantingrick schrieb: On Jun 10, 9:38 pm, Stephen Hansen me+list/pyt...@ixokai.io wrote: Also-- you're just starting to get wrong. http://docs.python.org/library/tix.html They don't -call- them the things you are, but between ComboBox, and the flexibility of HList and TList... it actually offers quite a lot. Urm, do you *know* what a Grid widget is Stephen? (hint: Excel) Do you *know* what a ListCtrl is Stephen? (Hint: File Browser in report or iconlabel views) Neither of those widgets exists in the Tix package. And how do i *know* this? Well because unlike you i have actually written code with Tix widgets, obviously you have not. All this stuff is present in Tk! OpenGL: tkzinc, a 2D visualiation system based on OpenGL, this one is widley used in air-traffic control... BTW: tkinc features the best transformation system in the IT--the author got a patent for it. canvas3d, OpenGL-3D. In addition there are *very very very large* visualization systems available in Tk: vtk for example... ListCtrl --besides that I truely hate this type of controls, an aggregation of usablility problems-- tkTreeCtrl is a true clone of MSWIN Explorer Spreadsheet: Well, whow doesn't exist in Tix! Are you sure? Hint: look again. There is tktable, technically well done with on-demand data aquisition, looks really ugly. An open field to display your artistic prowess. Once upon a time there was a complete spreadsheet application written in C++/Tk: abacus. The TList only displays iconlabels in a wrapping column format, not in any report mode ala: Windows Explorer(details mode). The HList widget is for showing a tree structure and is NOTHING like either a ListCtrl or a Grid. See above. But notice this windows explorer type sort of thing is a major offence on other platforms. My own approach for such an interface function is to use seperate window types, it reduces the maintainment cost for such an application. HList: Well *now* I am speachless. Did you actually even do a superfical research on the topic? BLT-tree bwidget-tree rtl_tree hugelist tkTreeCtrl (mentioned above) ttk:treectrl tablelist tixtreecontrol Just scanning the docs of a module (that you know jack about) and then parroting off some baseless arguments are bound to bite you in the @ss! *egg on face* Please enjoy it. -roger -- http://mail.python.org/mailman/listinfo/python-list
[issue8820] IDLE not launching correctly
Tal Einat talei...@users.sourceforge.net added the comment: Joseph, please mention which version of Python you are trying this with. If 2.6.4, please try with 2.6.5 to see if it still happens. -- nosy: +taleinat ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8820 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8903] Add module level now() and today() functions to datetime module
Raymond Hettinger rhettin...@users.sourceforge.net added the comment: FWIW, I concur with the rejection. -- nosy: +rhettinger ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8903 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8903] Add module level now() and today() functions to datetime module
Changes by Raymond Hettinger rhettin...@users.sourceforge.net: -- status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8903 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8970] Tkinter Litmus Test
New submission from Rick Johnson rantingr...@gmail.com: There has been much discussion in the past and recently on c.l.p about how many python programmers *actually* use Tkinter. Recently i have been involved in a lengthy discussion on c.l.p about whether or not we should remove Tkinter, replace Tkinter, or fix Tkinter. However i feel a decision this important cannot be made from pydev, c.l.p, or anywhere. I believe the only proper way to proceed is to get a *real* vote from *real* python programmers out in the trenches. But how do we do that you may ask? Well thats a good question. Not every Python programmer lives on c.l.p, or any *one* place. The only way to truly reach everyone is thru Python itself in form of a Warning message. So i propose that an import warning be added to the next possible releases of Python 3.x and Python 3.x. This warning will be triggered upon importing Tkinter and should also be shown when starting IDLE. The message should read loosely as follows... - ModuleRemovalWarning: Tkinter (and dependencies) - The Tkinter module (Python's GUI module) is currently being considered for removal from the python stdlib FOREVER. We are providing this warning so that you can give the python devlopment team (and the wider community) your input on the subject. If you feel that Tkinter should or should not be removed we strongly incurage you to voice your opinion. You can do by casting your vote at www.savetkinter.com. Whether your a complete noobie or a seasoned Pythonista we need to hear everyone. Voting will end on MM-DD-, so make sure your vote is counted! -- components: IDLE, Tkinter messages: 107531 nosy: rantingrick priority: normal severity: normal status: open title: Tkinter Litmus Test type: feature request versions: Python 2.7, Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8970 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8971] Tkinter Litmus Test
New submission from Rick Johnson rantingr...@gmail.com: There has been much discussion in the past and recently on c.l.p about how many python programmers *actually* use Tkinter. Recently i have been involved in a lengthy discussion on c.l.p about whether or not we should remove Tkinter, replace Tkinter, or fix Tkinter. However i feel a decision this important cannot be made from pydev, c.l.p, or anywhere. I believe the only proper way to proceed is to get a *real* vote from *real* python programmers out in the trenches. But how do we do that you may ask? Well thats a good question. Not every Python programmer lives on c.l.p, or any *one* place. The only way to truly reach everyone is through Python itself in form of a Warning message. So i propose that an import warning be added to the next possible releases of Python 2.x and Python 3.x. This warning will be triggered upon importing Tkinter and should also be shown when starting IDLE. The message should read loosely as follows... - ModuleRemovalWarning: Tkinter (and dependencies) - The Tkinter module (Python's GUI module) is currently being considered for removal from the python stdlib FOREVER. We are providing this warning so that you can give the python development team (and the wider community) your feedback on the subject. If you feel that Tkinter should or should not be removed we strongly encourage you to voice your opinion. You can do by casting your vote at www.savetkinter.com. We need to hear everyone whether your a complete newbie or a seasoned Pythonista. Voting will end on MM-DD- so make sure your vote is counted! -- components: IDLE, Tkinter messages: 107532 nosy: rantingrick priority: normal severity: normal status: open title: Tkinter Litmus Test type: feature request versions: Python 2.7, Python 3.3 ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8971 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8954] wininst regression: errors when building on linux
anatoly techtonik techto...@gmail.com added the comment: $ python setup.py build bdist_wininst running build running build_py running bdist_wininst installing to build/bdist.linux-i686/wininst running install_lib creating build/bdist.linux-i686/wininst creating build/bdist.linux-i686/wininst/PURELIB copying build/lib.linux-i686-2.6/wget.py - build/bdist.linux-i686/wininst/PURELIB running install_egg_info Writing build/bdist.linux-i686/wininst/PURELIB/wget-0.6.egg-info creating '/tmp/tmpQQZI5O.zip' and adding '.' to it adding 'PURELIB/wget-0.6.egg-info' adding 'PURELIB/wget.py' creating dist Warning: Can't read registry to find the necessary compiler setting Make sure that Python modules _winreg, win32api or win32con are installed. removing 'build/bdist.linux-i686/wininst' (and everything under it) $ ls dist wget-0.6.linux-i686.exe -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8954 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8970] Tkinter Litmus Test
Changes by Éric Araujo mer...@netwok.org: -- resolution: - duplicate superseder: - Tkinter Litmus Test ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8970 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8924] Error in error message in logging
Peter Landgren peter.tal...@telia.com added the comment: Answer to your first question: - The variable s is of type 'unicode' - The variable record.exc_text, which is what Formatter.formatException returns, is of type 'str' For your second question; I'm not a python expert, so I can't follow you there. I don't know what to do to test this. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8924 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8954] wininst regression: errors when building on linux
Éric Araujo mer...@netwok.org added the comment: The error comes from the msvccompiler module, which shouldn’t get used on non-Windows platforms unless I’m mistaken. Reading the module, I’m not sure at all this command was meant to be run on not-Windows OSes. -- nosy: +merwok ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8954 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8954] wininst regression: errors when building on linux
anatoly techtonik techto...@gmail.com added the comment: It did run ok on non-Windows OSes with previous Python versions. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8954 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue2892] improve cElementTree iterparse error handling
Hrvoje Nikšić hnik...@gmail.com added the comment:
Here is a small test case that demonstrates the problem, expected behavior and
actual behavior:
{{{
for ev in xml.etree.cElementTree.iterparse(StringIO('x/xrubbish'),
events=('start', 'end')):
print ev
}}}
The above code should first print the two events (start and end), and then
raise the exception. In Python 2.7 it runs like this:
{{{
for ev in xml.etree.cElementTree.iterparse(StringIO('x/xrubbish'),
events=('start', 'end')):
... print ev
...
Traceback (most recent call last):
File stdin, line 1, in module
File string, line 84, in next
cElementTree.ParseError: junk after document element: line 1, column 7
}}}
Expected behavior, obtained with my patch, is that it runs like this:
{{{
for ev in my_iterparse(StringIO('x/xrubbish'), events=('start', 'end')):
... print ev
...
('start', Element 'x' at 0xb771cba8)
('end', Element 'x' at 0xb771cba8)
Traceback (most recent call last):
File stdin, line 1, in module
File stdin, line 26, in __iter__
cElementTree.ParseError: junk after document element: line 1, column 7
}}}
The difference is, of course, only visible when printing events. A
side-effect-free operation, such as building a list using list(iterparse(...))
would behave exactly the same before and after the change.
--
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[issue8362] Add Misc/maintainers.rst to 2.x branch
Éric Araujo mer...@netwok.org added the comment: I am willing to maintain the maintainers file for 2.x with due diligence for the coming years. I think it has proven useful, and would like to see it in 2.6 up to 3.2 (all current four branches, since it’s arguably a documentation issue). Do I need to find a unique committer willing to work with me for this to be accepted? -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8362 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8188] Unified hash for numeric types.
Mark Dickinson dicki...@gmail.com added the comment: Committed the Decimal-to-Fraction comparisons in r81893. All numeric types should now compare nicely with each other. -- ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8188 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue8958] 2.7rc1 tarfile.py: `bltn_open(targetpath, wb)` - IOError: Is a directory
Lars Gustäbel l...@gustaebel.de added the comment: I found the problem. As of r76780 the default for the TarFile.errorlevel argument changed from 0 (suppress errors and write them to the debug log instead) to 1 (raise exceptions for fatal extraction errors). This change was not backported to the 2.6 branch back then (it was blocked in r76781). This means, that Python 2.6 does not succeed either, but the error is simply suppressed. Ergo, this is no regression but a simple filesystem issue. -- resolution: - wont fix status: open - closed ___ Python tracker rep...@bugs.python.org http://bugs.python.org/issue8958 ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
