Re: [Tutor] cgi.FieldStorage() causing thread.error: can't allocate lock

2014-05-24 Thread Dave Angel
Peter Otten <__pete...@web.de> Wrote in message: > Alan Gauld wrote: > >> >> As it stands it is impossible to tell how tempfile.py relates to >> cgi.FieldStorage() or even if the error is related to that >> at all. > > Here's what the cgi.FieldStorage.make_file() method looks like > > def

Re: [Tutor] Pygame related question

2014-05-25 Thread Dave Angel
Steven D'Aprano Wrote in message: > On Sun, May 25, 2014 at 12:48:40PM +0530, diliup gabadamudalige wrote: >> I need to random pick a pygame sprite from a sprite class. >> The random module does not allow this to be used on a group. >> Is the shortest way to raed in the attributes thatr I need int

Re: [Tutor] Help on best way to check resence of item inside list

2014-05-27 Thread Dave Angel
"jarod...@libero.it" Wrote in message: > Dear All > > clubA= ["mary","luke","amyr","marco","franco","lucia", "sally","genevra"," > electra"] > clubB= ["mary","rebecca","jane","jessica","judit","sharon","lucia", "sally"," > Castiel","Sam"] > > I have a list of names that I would to annotate in f

Re: [Tutor] HTML Parsing

2014-05-28 Thread Dave Angel
"Mitesh H. Budhabhatti" Wrote in message: (please post in text email, not html. Doesn't matter for most people on this particular message, but it's the polite thing to do) I see others have answered the programming question, but there's a separate one. What is the license of the particul

Re: [Tutor] How parse files in function of number of lines

2014-05-29 Thread Dave Angel
"jarod...@libero.it" Wrote in message: > Dear all! > I have two example files: > tmp.csv: > name value root > mark 34 yes > > tmp2.csv > name value root > > > I want to print a different text if I have more than one row and if I have > only one row. My code is this: > with open("tm

Re: [Tutor] Library for .ppt to .txt conversion

2014-05-31 Thread Dave Angel
Aaron Misquith Wrote in message: > The only thing i want from the ppt's is text and ignoring all graphical representations. I > need the text to perform various nltk operations. > On Fri, May 30, 2014 at 11:54 PM, Alan Gauld > wrote: >> Bearing in mind that Powerpoint is intended for graph

Re: [Tutor] Swampy: No module name World

2014-06-02 Thread Dave Angel
Charles Agriesti Wrote in message: > > from swampy.World import World > world = World() > ImportError: No module name World 1. please use text mail on this mailing-list. Your email software should have an option to change that. 2. You're referring to some nonstandard package called swampy, a

Re: [Tutor] glob and file names

2014-06-05 Thread Dave Angel
Gabriele Brambilla Wrote in message: > > (missing because you posted in html. Please tell your email program to use text) Simplify your program to where it's small and self contained. You currently have a string built up from several parts. Since you think the problem is in the glob call, yo

Re: [Tutor] A couple newbie questions about Python

2014-06-11 Thread Dave Angel
Deb Wyatt Wrote in message: > Hi. Everywhere I have read, the 'standard practice' for indentation is 4 > spaces, but I am running into 2 space indentation in a lot of tutorials and > such. Should I keep with the 4 spaces, or does it even matter, as long as it > is consistent? > 4 spaces is

Re: [Tutor] global variables/constants versus volatile variables/constants

2014-06-13 Thread Dave Angel
diliup gabadamudalige Wrote in message: > there are many dictionaries and lists which are used in various functions. Is it better/pythonic/efficient to have these inside the function itself or declared at the beginning of the program in which case they will be global? They are all read only. I

Re: [Tutor] AttributeError: 'module' object has no attribute 'start'

2014-06-13 Thread Dave Angel
jason sam Wrote in message: > (Please use text mail, as html gets distorted and/or jumbled. Also, many people here cannot see attachments, so you should paste them into your text message. And be sure to put a marker before each file indicating it's original filename) self.update_grid() F

Re: [Tutor] Tips

2014-06-18 Thread Dave Angel
Sydney Shall Wrote in message: > but I do not understand what defines a module Please post in plain text, not html. A module is a source file (eg. .py) or a compiled source file (eg .pyc) that's generally intended to be used via an import. -- DaveA ___

Re: [Tutor] IndexError: list index out of range

2014-06-26 Thread Dave Angel
Myunggyo Lee Wrote in message: You apparently posted this in html, and you tried to attach a data file. Each of those will cause problems for some readers. Please tell your email program to use text mail, and paste in your data, don't attach it. gpdic1={} while 1: line= inf2.readli

Re: [Tutor] Object instance package wide with Jython 2.7

2014-06-26 Thread Dave Angel
"Jorge L." Wrote in message: (please post in text mode, as html carries a number of problems in a text list like this one) class Server(object) def __init__(self, name) self.name = name def some_operation(self) # stuff to be done with JLI

Re: [Tutor] Python Socket Error: Connection refused

2014-07-07 Thread Dave Angel
Pamela Wightley Wrote in message: > ___ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > https://mail.python.org/mailman/listinfo/tutor > You apparently are running Windows, and in a corporate environment. You d

Re: [Tutor] SyntaxError Message

2014-07-08 Thread Dave Angel
Pamela Wightley Wrote in message: > > This is a text mailing list. So leaving an html message blocks some of us from seeing what you intended. Color and other formatting vanishes for many. Please tell your email program to post in text mode. The problem with your fragment is that the ret

Re: [Tutor] sometimes I feel like my head is going to explode

2014-07-10 Thread Dave Angel
Mark Lawrence Wrote in message: > On > THINK BIG start small. Little steps. Divide and conquer. I'd guess > that you've heard at least one of those if not all of them. > > Personally I don't believe that you can call yourself a professional > programmer until you've inadvertantly written an

Re: [Tutor] How to Create Webpage with Python

2014-07-11 Thread Dave Angel
John Cast Wrote in message: > > will be hosting this (for the foreseeable future at least) on my desktop. There is another python script already written that generates the excel spreadsheets (I did not write this). That script will be ran on a fairly frequent basis so the webpage will constan

Re: [Tutor] While loop issue, variable not equal to var or var

2014-07-12 Thread Dave Angel
Steven D'Aprano Wrote in message: > On Sat, Jul 12, 2014 at 09:33:20AM +0100, Alan Gauld wrote: > >> 2) Better (IMHO) is to convert message to lower case (or upper if >> you prefer) and only do one comparison: >> >> while message.lower() != 'q': > > I second this advice, but with a slight modif

Re: [Tutor] name error

2014-07-14 Thread Dave Angel
uga...@talktalk.net Wrote in message: > I am running nodebox 1 on OSX v10.6.8, which is an open source OSX > Python, 2D data visualiser, and although not legacy, the software it > isn't well supported. (see http://nodebox.net/code/index.php/Home for > further info). I believe nodebox 1, runs wi

Re: [Tutor] Read, Write, Split and Append lines from a text file

2014-07-19 Thread Dave Angel
LN A-go-go Wrote in message: By trying to include an attachment, you make it impossible for me to quote your actual message. Please use plain text message without attachments, to maximize the number of people that can read and readily respond. > StatesOJ > AK36 > AL39 > A

Re: [Tutor] Unhandled exception

2014-07-21 Thread Dave Angel
"yarteydegre...@gmail.com" Wrote in message: > > I'm glad they were able to help. But please let me point out a few procedural issues, for nex time. You started a whole new thread just to say thanks. You should only start one to ask a new question or start a new discussion. Otherwise us

Re: [Tutor] Read a file, Load a dictionary

2014-07-24 Thread Dave Angel
Glenn Lester Wrote in message: > ? You forgot to make your message a text one, and also omitted your Python version. So I'll respond from memory, assuming you're using version 3.5 The csv reader can make a dictionary from each line of the csv file. So you can readily make a list o

Re: [Tutor] Security and Reliability of Python

2014-07-24 Thread Dave Angel
Allahondoum Mbaibarem Wrote in message: > ___ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > https://mail.python.org/mailman/listinfo/tutor > Post here using text messages, not html. Wait 24 hours, not one, b

Re: [Tutor] Inquiry

2014-07-24 Thread Dave Angel
Allahondoum Mbaibarem Wrote in message: > > (use text messages here) Python is no more secure than the code written in it. It is very reliable, according to the experience of thousands of users. Much of that comes from it being open-source; many eyes catch the bugs faster than anything propr

Re: [Tutor] Read a file, Load a dictionary

2014-07-24 Thread Dave Angel
Deb Wyatt Wrote in message: > assuming you're >> using version 3.5 >> > > How do you get version 3.5? Python.org shows 3.41 as being the latest. > > I could as easily figured 2.6. My point is that people need to specify what version they're asking about. 3.5 is a dev version. Not for

Re: [Tutor] Security and Reliability of Python

2014-07-25 Thread Dave Angel
Danny Yoo Wrote in message: > > Python is only as secure as the code *you* write. If you write code >> where you accept text from untrusted people over the Internet and then >> execute it as code using eval() or exec(), then your code is vulnerable >> to code injection attacks. The solution to thi

Re: [Tutor] New to Python - print function - invalid syntax

2014-08-05 Thread Dave Angel
Marc Tompkins Wrote in message: > On Tue, Aug 5, 2014 at 8:23 AM, Zachary Ware > wrote: >> >> which it should be if the most recently >> installed Python was 3.3 or 3.4, installed with default options. >> > > And there we have my problem with this glorious new "feature". YOU > CAN'T RELY ON IT,

Re: [Tutor] Simple guessing game - need help with the math

2014-08-13 Thread Dave Angel
Greg Markham Wrote in message: Please post as text. Because you used html, I cannot quote your message, or indeed even see it at all while replying. There are other problems frequently triggered by html, but on to my response. You don't specify the python version you're writing for. I have

Re: [Tutor] Building Starships -- object of type 'int' has no len()

2014-08-15 Thread Dave Angel
Terry--gmail Wrote in message: > > Please don't post here in html mail. Tell your email program to use text. Your program fragment displayed here as a mess, which is one of many problems with html. Please use reply-list (or whatever your email supports, like reply-all and remove the extra r

Re: [Tutor] Parsing txt file

2014-08-20 Thread Dave Angel
Dima Kulik Wrote in message: Please post in text mode. The html mode you used can cause multiple problems. Please specify your Python version and os version in any new thread.It sometimes makes a big difference in the solution. Your primary problem is that you don't close the files. But yo

Re: [Tutor] Question

2014-08-21 Thread Dave Angel
Lucia Stockdale Wrote in message: > Hi everyone, Welcome to the list. And thanks for using text mode. What's the Python version and os version. I expect this is crucial. > > I have been writing a program to print words backwards until an an empty line > of input is entered, > but after I put

Re: [Tutor] import values, calculate distance

2014-08-21 Thread Dave Angel
LN A-go-go Wrote in message: > Thanks for a better subject line, and for starting a new thread when you have a substantially new question. . Please use text mail instead of html. The html you're using can cause several different problems. And please do interleaved quoting, not top-posting.

Re: [Tutor] sys module - what does "It is always available" mean in the docs?

2014-08-21 Thread Dave Angel
"Flynn, Stephen (L & P - IT)" Wrote in message: > The documentation (https://docs.python.org/3/library/sys.html) for > Python 3.4.1 says that "This module provides access to some variables > used or maintained by the interpreter and to functions that interact > strongly with the interpreter. It i

Re: [Tutor] simple unicode question

2014-08-22 Thread Dave Angel
Albert-Jan Roskam Wrote in message: > Hi, > > I have data that is either floats or byte strings in utf-8. I need to cast > both to unicode strings. I am probably missing something simple, but.. in the > code below, under "float", why does [B] throw an error but [A] does not? > >.. >>>

Re: [Tutor] sorting distances for nearest neighbor

2014-08-29 Thread Dave Angel
LN A-go-go Wrote in message: > Please tell your email program to use text when posting here, The html you used can cause numerous problems. One of them prevents me from quoting context. If you can get your data to a list of tuples, then you can sort that list by something like sorteddata =

Re: [Tutor] calculate percents of items in a list

2014-08-31 Thread Dave Angel
LN A-go-go Wrote in message: > Please post in text mode. It's a real pain trying to respond to the memory of your post. sum () is a built-in function that will add all the floats in CL. Of course you can't use it after you've overloaded it with a new meaning. In your loop, you refer to CL

Re: [Tutor] command counter

2014-09-05 Thread Dave Angel
Bo Morris Wrote in message: > > subprocess.Popen("command") && add 1 to count. If count equals n number, do something. > I have tried count = 0 count += 1, but count does not seem to be > incrementing. It would be much better to post the code that "does not seem..." There are many possi

Re: [Tutor] command counter

2014-09-05 Thread Dave Angel
Crush Wrote in message: > My code is as follows... > > count = 0 > while count < 3: > count += 1 >subprocess.Popen('command') > if count == 3: > sys.exit() > > The line beginning "subp" is indented further than the one before it, so this script would terminate with an indentation erro

Re: [Tutor] making a list of a custom object

2014-09-20 Thread Dave Angel
Kate Reeher Wrote in message: > I have a custom class called Game, and it has a variable called "goals". I'd > like > to make this a list of custom objects, with various information about the > goals. > class Game: > goals = {} That's a class attribute; the others below are instance a

Re: [Tutor] print date and skip any repeats

2014-09-23 Thread Dave Angel
Please post in text mode, not html. questions anon Wrote in message: > > lastdate=all_the_dates[1] > onedateperday.append(lastdate) > print onedateperday > for date in all_the_dates: > if date !=lastdate: > lastdate=date > onedateperday.append(lastdate) There are a numbe

Re: [Tutor] how to express shift+enter in python

2014-09-28 Thread Dave Angel
lei yang Wrote in message: > > I just use "xlwt" lib to newline in one cell, I find it display with one line > in windows but works in linux, so I guess it maybe"shift+enter" to newline Xlwt isn't in the Python stdlib, so some other forum is probably preferable to tutor. Just how are you

Re: [Tutor] python code error

2014-09-29 Thread Dave Angel
Madeleine Austen Wrote in message: > > It says there are no arguements I don't see any print functions with such text, so presumably you're paraphrasing an exception traceback. Please quote the entire traceback, as there is usually lots of information there. And use copy/paste, don't atte

Re: [Tutor] printing all text that begins with "25"

2014-10-02 Thread Dave Angel
Bo Morris Wrote in message: (Thanks for starting a new thread when asking a new question. But please use text mode in your emails, not html.) For the first version, write it as a filter, and pipe the two commands together in the shell. So all you have to do is read a line from stdin, parse

Re: [Tutor] print date and skip any repeats

2014-10-02 Thread Dave Angel
On 09/24/2014 05:19 AM, questions anon wrote: Ok, I am continuing to get stuck. I think I was asking the wrong question so I have posted the entire script (see below). What I really want to do is find the daily maximum for a dataset (e.g. Temperature) that is contained in monthly netcdf files whe

Re: [Tutor] search/match file position q

2014-10-06 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: > > haven’t been able to find an definitive answer You should make your question clearer. Are you asking what your code does, or what you should like it to do? Either way, you should start with some sample code, and refer to that in your questions. As it i

Re: [Tutor] Suggestions Please

2014-10-06 Thread Dave Angel
Phillip Pugh Wrote in message: > I am trying to decide if Python is the right toolset for me. I do a lot of > data analytics. Over the years I have used a lot of SQL and VBA, but the data > sources are getting bigger. I am thinking Python may be what I need to use, > but I am in the early stage

Re: [Tutor] search/match file position q

2014-10-07 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: > I was trying to keep it generic. > Wrapped data file: > data-tmpl=""> href="http://finance.yahoo.com/q?s=SWKS"; > data-rapid_p="18">SWKS data-model="name:DatumModel;id:SWKS:qsi:wk52:low;" > data-tmpl="change:yfin.datum">23.27', line_in)

Re: [Tutor] Suggestions Please

2014-10-08 Thread Dave Angel
Phillip Pugh Wrote in message: > Thank you All!! > > I am impressed with the support. It was very helpful and timely. I was able > to put together a script to do what I wanted. I know now that I wont be > wasting time learning Python. As with any language, it is about > understanding the s

Re: [Tutor] Tile Code Program

2014-10-10 Thread Dave Angel
Wrote in message: > > (Please use text mail to post here) roomWidth = 100.0. #BUGBUG roomLength = 90.0 while roomWidth < 100 or roomWidth > 1000: roomWidth = float(input("Please enter a room width between 100 and 1000: ")) if roomWidth >= 100 or roomWidth <= 1000: print(

Re: [Tutor] Installing both Python 2.7 and Python 3.4 on Windows 7 Pro 64-bit: Install Python 2.7 FIRST!

2014-10-11 Thread Dave Angel
boB Stepp Wrote in message: > > I can live with 2.7.8 being the default Python, but if I wanted to > make 3.4.2 the default, how would I go about doing it? > I haven't used Windows in a long while. When I did, I used assoc.exe and ftype.exe to set my python to run py.exe. That program is in

Re: [Tutor] Compare two text files

2014-10-13 Thread Dave Angel
Crusier Wrote in message: > Attached are the two text files (stocklist.txt & stocklist1.txt) which I want to do a comparison with the content of the file, Basically, I want to see if there are any new numbers added to the file. > Please comment on the sequence of the file: 1. First, Open

Re: [Tutor] what am I not understanding?

2014-10-21 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: > Thanks all for the insight. I'm not sure I fully understand all of the code > snippets, but in time... > > This is finally what I came up with: > > raw_table = (''' > a: Asky: Dividend Yield > b: Bidd: Dividend per Share > b2: Ask (Realtime)

Re: [Tutor] A couple of somewhat esoteric questions

2014-10-22 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: > > > !-Original Message- > !From: Tutor [mailto:tutor-bounces+crk=godblessthe...@python.org] On > !Behalf Of Steven D'Aprano ... > > For clarification, a key only has one value which can be changed. No, because the key has to be immutable, like a

Re: [Tutor] A couple of somewhat esoteric questions

2014-10-22 Thread Dave Angel
Dave Angel Wrote in message: > "Clayton Kirkwood" Wrote in message: >> >> >> !-Original Message- >> !From: Tutor [mailto:tutor-bounces+crk=godblessthe...@python.org] On >> !Behalf Of Steven D'Aprano > ... >> >> F

Re: [Tutor] yet another misunderstanding on my part

2014-10-23 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: (Somehow, your email program seems to be using the exclamation point to identify quoted lines, instead of the standard greater-than symbol. Is that something you can correct, prrhaps using "settings"?) > > > !-Original Message- > !From: Tuto

Re: [Tutor] yet another misunderstanding on my part

2014-10-23 Thread Dave Angel
Dave Angel Wrote in message: > "Clayton Kirkwood" Wrote in message: > > > Second question, why can't a numeric index be >> used to make assignment to a specific location like a[1] = "some value"? If >> the mechanism is to use a.index(1,"

Re: [Tutor] Python GPIO Code Help Needed

2014-10-26 Thread Dave Angel
Bill Bright Wrote in message: > I have been working on a piece of code that I got from another tutorial. The > code polls the GPIO pins on a Raspberry Pi. When it detects a switch being > flipped, it plays a corresponding audio file. My problem is, if the switch > remains flipped, the audio rep

Re: [Tutor] Python GPIO Code Help Needed

2014-10-26 Thread Dave Angel
Please use text mail for posting, and please use reply-list, or whatever your mailer calls it when adding to a thread. So far, you've got at least 3 threads covering a single topic. Bill Bright Wrote in message: > > The code below seems to work. My question is why does oldstates need to be

Re: [Tutor] Python Questions Help

2014-10-26 Thread Dave Angel
Please don't use html mail in a text newsgroup. And especially don't select black on black for your foreground and background colors. Caroline H Wrote in message: > create a new sorted list consisting of all the elements of lst1 that also appears in lst2 . Are you permitted at this stage

Re: [Tutor] Would somebody kindly...

2014-10-28 Thread Dave Angel
> Explain this double speak(>: > [pair for pair in values if key == pair[0]] > I understand the ‘for pair in values’. I assume the first > ‘pair’ creates the namespace The namespace question depends on the version of Python. Python 2.x does not do any scoping. But in version 3.x, the var

Re: [Tutor] Would somebody kindly...

2014-10-29 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: > > > !-Original Message- > !From: Tutor [mailto:tutor-bounces+crk=godblessthe...@python.org] On > !Behalf Of Dave Angel > !Sent: Tuesday, October 28, 2014 6:34 PM > !To: tutor@python.org > !Subject:

Re: [Tutor] Would somebody kindly...

2014-10-30 Thread Dave Angel
"Martin A. Brown" Wrote in message: > > Hi there Clayton, > >> values = [ ('a', 1), ('b', 2), ('a', 5), ('c', 7)] >> key = 'a' >> pair=[] # -- this assignment is unnecessary >> x=[pair for pair in values if key == pair[0]] >> print(x) >> >> I get [('a', 1), ('a', 5)] > > I also get that re

Re: [Tutor] Would somebody kindly...

2014-10-30 Thread Dave Angel
"Clayton Kirkwood" Wrote in message: > > >>-Original Message- >>From: Tutor [mailto:tutor-bounces+crk=godblessthe...@python.org] On >>Behalf Of Dave Angel >>Sent: Wednesday, October 29, 2014 5:30 AM >>To: tutor@python.org >>Subject

Re: [Tutor] all right students, what do we learn

2014-11-02 Thread Dave Angel
On 11/02/2014 01:43 AM, Clayton Kirkwood wrote: To prove that a little knowledge is a little stupid or something to that effect: #for key in key_list: #print(key) #if key not in key_list0: #print("Error:", key, "not available, start again") #get_ne

Re: [Tutor] eval use (directly by interpreter vs with in a script)

2014-11-02 Thread Dave Angel
On 11/02/2014 03:01 PM, Alex Kleider wrote: I'm puzzled by the following behaviour: The following works as I expect: alex@x301:~/Python$ python3 Python 3.4.0 (default, Apr 11 2014, 13:05:18) [GCC 4.8.2] on linux Type "help", "copyright", "credits" or "license" for more information. code = """\

Re: [Tutor] all right students, what do we learn

2014-11-02 Thread Dave Angel
On 11/02/2014 03:05 PM, Clayton Kirkwood wrote: -Original Message- From: Tutor [mailto:tutor-bounces+crk=godblessthe...@python.org] On Behalf Of Alan Gauld Sent: Sunday, November 02, 2014 1:04 AM To: tutor@python.org Subject: Re: [Tutor] all right students, what do we learn On 02/11/1

Re: [Tutor] Newbie Trouble Processing SRT Strings In Text File

2014-11-03 Thread Dave Angel
Please evaluate your email program. Some of your newline s are being lost in the paste into your email. Matt Varner Wrote in message: > TL:DR - Skip to "My Script: "subtrans.py" > > > > Optional Links to (perhaps) Helpful Images: > 1. The SRT download button: > http://i70.photobucket.com/alb

Re: [Tutor] Fwd: Re: Simple guessing game - need help with the math

2014-11-03 Thread Dave Angel
You're still using html mail, and still top-posting. > > But my curiosity is still begging me for an answer regarding my original > approach. Is there a way to manage the functionality of be round function > such that it does not strip any data to the right of the decimal point? That's the w

Re: [Tutor] Strings

2014-11-05 Thread Dave Angel
William Becerra Wrote in message: > have the following code: names = "John, Cindy, Peter" def find(str, ch, s): index = 0 while index < len(str): if s==1: for char in names[:4]: if str[index] == ch: return index + 1

Re: [Tutor] don't understand iteration

2014-11-09 Thread Dave Angel
You forgot to state your Python version. I'll assume 3.4 "Clayton Kirkwood" Wrote in message: > I have the following code: import urllib.request,re,stringmonths = > ['Jan.', 'Feb.', 'Mar.', 'Apr.', 'May.', 'Jun.', 'Jul.', 'Aug.', 'Sep.', > 'Oct.', 'Nov.', 'Dec.']from urllib.request import urlop

Re: [Tutor] Help with Dice game

2014-11-11 Thread Dave Angel
Wrote in message: > > > > > > > Hello, I can not for the life of me figure out where I have gone wrong. I > wrote the following code as a simulation for the table top game x-wing. It > basically simulates dice rolls but the issue is the fact that every time I > choose a number of dice t

Re: [Tutor] hexodecimal to decimal form

2014-11-11 Thread Dave Angel
William Becerra Wrote in message: > Hello, I'm new to programming using Python 2.7.8 and Windows 8 OSI'm reading > How to Think Like a Computer Scientist - learning with pythonon chapter > 12.2theres the following code: class Point: passblank = point()blank.x = > 3.0blank.y = 4.0 >>>print b

Re: [Tutor] Error Cannot Import Name Core

2014-11-11 Thread Dave Angel
Felisha Lawrence Wrote in message: > Hello, > I am trying to install a version of pyart in OSX and I keep getting this > error > > -- > ImportError Traceback (most recent call last) > in () >

Re: [Tutor] bubble sort function

2014-11-15 Thread Dave Angel
Spyros Charonis Wrote in message: > > Dear group, > I'm having a bit of trouble with understanding why my bubble sort > implementation doesn't work. I've got the following function to perform a > bubble sort operation on a list of numbers: > def bubble_sort_ascending(unsorted): > """ Sort

Re: [Tutor] How python keeps track of objects

2014-11-23 Thread Dave Angel
On 11/22/2014 09:28 PM, Mitch Raful wrote: If I have code similar to this: for object in objects: do_something(object) def do_something(obj): other_object = Class( obj.property) other_object.method( arg1, arg2) do_stuff here with other_object if problem: p

Re: [Tutor] Michael Dawson Chapter 6 Challenge 4

2014-11-23 Thread Dave Angel
On 11/23/2014 07:04 AM, John Feleppa wrote: Dear all, Has anyone solved the fourth challenge in Chapter 6 of Michael Dawson's book, 'Python Programming for the absolute beginner'? The challenge: 'Write a new *computer_move()* function for the Tic-Tac-Toe game to plug the hole in the computer's

Re: [Tutor] How python keeps track of objects

2014-11-23 Thread Dave Angel
Please don't top-post. Trim the quoted portion to the parts you're responding to, and put your response immediately after (each) section you're commenting on. Also, you're posting in html. That's not always a problem, but it often is, depending on the vagaries of your email program. Just te

Re: [Tutor] How python keeps track of objects

2014-11-23 Thread Dave Angel
On 11/23/2014 01:05 PM, Mitch Raful wrote: On Sun, Nov 23, 2014 at 11:07 AM, Dave Angel wrote: Please don't top-post. Trim the quoted portion to the parts you're responding to, and put your response immediately after (each) section you're commenting on. I this the correct

Re: [Tutor] bubble sort function

2014-11-26 Thread Dave Angel
Please don't top-post. Put your response under the quote you're responding to. And trim the parts that are no longer relevant. I've rearranged this message to try to pretend that you did that. > On Wed, Nov 26, 2014 at 3:46 PM, Alan Gauld > wrote: > >> On 26/11/14 09:57, Sunil Tech wrote: >

Re: [Tutor] Question about why a list variable is apparently global.

2014-11-27 Thread Dave Angel
On 11/27/2014 11:07 AM, boB Stepp wrote: x = "outer" def tricky_func2(): y = x print(x) tricky_func2() outer So why does not print(x) see the global x and instead looks for the local x? The function is compiled during the import (or initial load if it's a

Re: [Tutor] Is there an easy way to center the root window (Tkinter) within the display?

2014-11-27 Thread Dave Angel
On 11/27/2014 11:39 AM, boB Stepp wrote: On Thu, Nov 27, 2014 at 9:58 AM, Steven D'Aprano wrote: No offense intended Bob, but this scares me. I know you're trying your best, but "weak programming knowledge" and "radiation therapy" is not a healthy combination. Believe me, I think about this

Re: [Tutor] multiprocessing question

2014-11-27 Thread Dave Angel
On 11/27/2014 04:01 PM, Albert-Jan Roskam wrote: I made a comparison between multiprocessing and threading. In the code below (it's also here: http://pastebin.com/BmbgHtVL, multiprocessing is more than 100 (yes: one hundred) times slower than threading! That is I-must-be-doing-something-

Re: [Tutor] multiprocessing question

2014-11-28 Thread Dave Angel
On 11/27/2014 05:55 PM, Dave Angel wrote: On 11/27/2014 04:01 PM, Albert-Jan Roskam wrote: for line in self.data: if not line: break local_lookup.append(record_start) if len(local_lookup) >

Re: [Tutor] multiprocessing question

2014-11-28 Thread Dave Angel
On 11/28/2014 05:53 AM, Albert-Jan Roskam wrote: - Original Message - From: Dave Angel To: tutor@python.org Cc: Sent: Thursday, November 27, 2014 11:55 PM Subject: Re: [Tutor] multiprocessing question On 11/27/2014 04:01 PM, Albert-Jan Roskam wrote: I made a comparison

Re: [Tutor] Parse files and create sqlite3 db (Alan Gauld)

2014-12-03 Thread Dave Angel
On 12/03/2014 08:07 AM, jarod...@libero.it wrote: thanks so much,here you have the error: --- NameError Traceback (most recent call last) in () 43

Re: [Tutor] Is there an easily or shorter way?

2014-12-15 Thread Dave Angel
On 12/15/2014 04:25 PM, Ken G. wrote: I am sure there is a better way to refine the following lines. Letting x equal a number from 1 to 28, go through 28 separate 'if' statements to print a resulting value that equaled the value of x. For example: x = 8 if x = 1, print 'one' if x = 2, print '

Re: [Tutor] Is there an easily or shorter way?

2014-12-15 Thread Dave Angel
On 12/15/2014 05:49 PM, Steven D'Aprano wrote: On Mon, Dec 15, 2014 at 04:25:42PM -0500, Ken G. wrote: I am sure there is a better way to refine the following lines. Letting x equal a number from 1 to 28, go through 28 separate 'if' statements to print a resulting value that equaled the value o

Re: [Tutor] Is there an easily or shorter way?

2014-12-15 Thread Dave Angel
On 12/15/2014 07:55 PM, Ken G. wrote: Oh, it is not an assignment, Dave. It is an actual program I am using for my benefit. I had to figure out on a fly, what is the name of a piece of property that each number represent. I had to reckon something out within a limited amount of time I had

Re: [Tutor] Learning to program, not code.

2014-12-19 Thread Dave Angel
On 12/18/2014 09:09 PM, Brandon Dorsey wrote: Hello All, Programming has always been a passion of mine, A great start. Can you tell us a little more about yourself? Is Python the first language you've tried, or are you successful at other languages? Are you in school, at what level, do yo

Re: [Tutor] Learning to program, not code.

2014-12-20 Thread Dave Angel
On 12/20/2014 08:16 PM, Brandon Dorsey wrote: I'm 28 years old, currently unemployed and not in school until fall of 2015 as a junior. I picked up python a little under a year ago, with the hopes that I could make a career out of programming - when I finish school that is. So, as of right now

Re: [Tutor] How to change default path output of 'logging'?

2014-12-22 Thread Dave Angel
On 12/22/2014 07:53 AM, Juan Christian wrote: I have a 'logging' on my code using: import logging < ... > logging.basicConfig(filename="bumpr.log", level=logging.INFO) < ... > The thing is that the default location of this output when running via Windows Task Scheduler is 'C:/Windows/System32'.

Re: [Tutor] How to change default path output of 'logging'?

2014-12-22 Thread Dave Angel
On 12/22/2014 11:41 AM, Juan Christian wrote: str(os.path.abspath(__file__)).replace('main.py', '') So I get the full-path of my main dir where main.py is and all the other modules/packages too, no matter if I'm on OSX/Win/Linux. That's not the best way to get the directory path for a file.

Re: [Tutor] My Query - How to implement multi threading with remote execution capability in python to achieve parallel processing

2014-12-22 Thread Dave Angel
On 12/22/2014 09:58 PM, Alex Kleider wrote: On Dec 22, 2014 12:36 PM, wolfrage8...@gmail.com wrote: On Mon, Dec 22, 2014 at 6:27 AM, Vishwas Pathak < vishwas_pat...@persistent.com> wrote: Your Disclaimer alone means that I can not respond to this question, or else it would apparently become th

Re: [Tutor] Making Doubly Linked List with Less Lines of Code.

2015-01-01 Thread Dave Angel
On 01/01/2015 11:48 PM, WolfRage wrote: Final Code Using 2d List instead of Doubly Linked List. Please don't top-post. Instead, post your comments inline with the parts of the previous message to which you're responding. Is there a reason you doublespaced the whole thing? And why did you

Re: [Tutor] multiple objects with one assignment?

2015-01-02 Thread Dave Angel
On 01/02/2015 05:25 AM, Brandon Dorsey wrote: I know there is are easier ways to assign multiple objects to a variable, but why, does the following code work? Why does it return a tuple versus a list? I know it has something to do with the semi-colon, but I didn't know it wouldn't raise an err

Re: [Tutor] Making Doubly Linked List with Less Lines of Code.

2015-01-02 Thread Dave Angel
On 01/02/2015 10:53 AM, WolfRage wrote: On 01/02/2015 10:37 AM, Alan Gauld wrote: I use Thunderbird for posting too, and nobody has complained yet about my code layout. My account settings are: Composition&Addressing Compose in HTML - OFF Auto quote original then "START REPLY BELOW QUOTE" My

Re: [Tutor] Making Doubly Linked List with Less Lines of Code.

2015-01-02 Thread Dave Angel
On 01/02/2015 10:55 AM, Dave Angel wrote: On 01/02/2015 10:43 AM, Steven D'Aprano wrote: On 03/01/15 02:14, WolfRage wrote: Dave or Steve, what mail program do you use? It appears Thunderbird is still posting the code all messed up. Which makes it impossible to communicate effectively wit

Re: [Tutor] Making Doubly Linked List with Less Lines of Code.

2015-01-02 Thread Dave Angel
On 01/02/2015 11:37 AM, WolfRage wrote: On 01/02/2015 02:21 AM, Steven D'Aprano wrote: What is the purpose of the **kwargs? It doesn't get used, it just silently ignores them. Hopefully you got the answer for this from the previous message. Why does the GameTile record the coordinates as str

Re: [Tutor] Making Doubly Linked List with Less Lines of Code.

2015-01-02 Thread Dave Angel
On 01/02/2015 12:57 PM, Alex Kleider wrote: On 2015-01-01 17:35, Alan Gauld wrote: Repeats replicates the reference to the object but does not create a new object. This part I can understand but, as Steven has pointed out, this behaviour changes if the object being repeated is immutable. Why

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