[Tutor] OCR Library

2014-02-18 Thread Khalid Al-Ghamdi
Hi, Do you have any recommendations regarding a good OCR library (preferably Py3)? Thanks ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor

[Tutor] Regarding Exceptions

2014-02-17 Thread Khalid Al-Ghamdi
Hi, in the following snippet, why is it I don't need to create an Exception object and I can use the class directly in raise my custom exception? iframe src=http://pastebin.com/embed_iframe.php?i=7ANcvLHR; style=border:none;width:100%/iframe Thanks ___

[Tutor] Regarding Exceptions

2014-02-17 Thread Khalid Al-Ghamdi
Hi, Why is it i can use mu custom class exception without creating an exception object first? Thanks 1. class ShortInputException(Exception): def __init__(self, length, atleast): 2. Exception.__init__(self) 3. self.length = length 4. self.atleast =

[Tutor] Using __init__ to return a value

2013-06-12 Thread Khalid Al-Ghamdi
Hi, Why doesn't this work? And is there way to have an object immediately return a value or object once it is instantiated with using a method call? 1. class k: 2. def __init__(self,n): 3. return n*n 4. 5. 6. khalid=k(3) 7. Traceback (most recent

[Tutor] producing PDF files

2013-06-11 Thread Khalid Al-Ghamdi
Hi, Do you know of a python module for converting text files to PDF format? thanks ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor

[Tutor] sqlite question

2013-06-11 Thread Khalid Al-Ghamdi
Hi, I have a dictionary with keys as employee badges and values as their names. Both key and value are strings. I want to read the badges from a sql select and use that to look up the names in the dictionary. But since the result is a tuple, it doesnt' work. how can i overcome this? 1.

Re: [Tutor] There's a Programmer in Me

2013-02-27 Thread Khalid Al-Ghamdi
Thanks everyone. On Wednesday, February 27, 2013, Femi Banjo wrote: coursera, udacity edx all have decent Python courses for beginners and very good support on forums etc and they're all free Date: Wed, 27 Feb 2013 01:10:07 -0800 From: fo...@yahoo.com javascript:_e({}, 'cvml',

[Tutor] There's a Programmer in Me

2013-02-26 Thread Khalid Al-Ghamdi
Hi All, I'm not a programmer by profession, but I want to learn python. I've got lots of Ideas that want to realize, but I always run into these stupid hiccups where I follow the tutorials and something stupid (known/unkown) is causing things not to work ... frustration ensues... After more than

Re: [Tutor] There's a Programmer in Me

2013-02-26 Thread Khalid Al-Ghamdi
: On 26/02/2013 13:54, Mark Lawrence wrote: On 26/02/2013 13:02, Khalid Al-Ghamdi wrote: Hi All, I'm not a programmer by profession, but I want to learn python. I've got lots of Ideas that want to realize, but I always run into these stupid hiccups where I follow the tutorials and something

[Tutor] Help with a SQL Statement

2012-11-18 Thread Khalid Al-Ghamdi
Hi All, The SQL statement below doesn't return anything.. and I don't know why... I've used the parans but still no luck. Any Suggestions? cur.execute(select badge, name, stage, tc, major, package, subject, course, sb_as from records where sb_as = 0 and (subject like

Re: [Tutor] Help with a SQL Statement

2012-11-18 Thread Khalid Al-Ghamdi
Hi, I found one typo in 'Workshop' which should be 'Workshop%' but it still gives results containing majors with 'Customer%' and 'Warehouse%' in them... On Sun, Nov 18, 2012 at 2:21 PM, Khalid Al-Ghamdi emailkg...@gmail.comwrote: Hi All, The SQL statement below doesn't return anything

[Tutor] Adding items from a cursor to a dict?

2012-11-12 Thread Khalid Al-Ghamdi
Hi all, How would you go about adding items from a cursor to a dictionary? i tried this but to no avail: cur.execute('select * from schedule limit 10') sqlite3.Cursor object at 0x0112CE60 for i in range(len(cur.fetchall())): d[i]=cur.fetchall()[i] Traceback (most recent call last): File

[Tutor] Connecting to a DB via a function call

2012-11-11 Thread Khalid Al-Ghamdi
Hi, Why is it that the following even though I call the below function? And how do I write a function that makes connection that I can use to query my DB? Traceback (most recent call last): File C:/Python33/My Stuff/schedule_machine/schedule_machine01.py, line 19, in module

[Tutor] sqlite3 Dilemma

2012-07-30 Thread Khalid Al-Ghamdi
Hi All, I am a teacher at an industrial training center. We have to conduct hands-on exams (fixing pumps, etc). I review all the test schedules for all the students (made by other teachers) to make sure there are no clashes due to lack of ample supply of equipment or tools. Meaning no two

Re: [Tutor] sqlite3 Dilemma

2012-07-30 Thread Khalid Al-Ghamdi
Thanks for your input Walter. Are there any techniques to achieve this via code or sql you share. Because I was thinking along the same you mentioned but didnt knwo how to go about it. بتاريخ الاثنين، ٣٠ يوليو، ٢٠١٢، جاء من Walter Prins wpr...@gmail.com: On 30 July 2012 14:57, Khalid Al-Ghamdi

[Tutor] sqlite3 Dilemma

2012-07-30 Thread Khalid Al-Ghamdi
Damn! So its so serious they have a name for it! No wonder I was stumped ... Any way thanks you guys have been super helpful. بتاريخ الاثنين، ٣٠ يوليو، ٢٠١٢، جاء من Peter Otten __pete...@web.dejavascript:_e({}, 'cvml', 'pete...@web.de'); : Khalid Al-Ghamdi wrote: I am a teacher

[Tutor] sqlite3 Question

2012-06-06 Thread Khalid Al-Ghamdi
Hi All, hi Joel, Regarding sqlite3 practice code below: 1. import sqlite3 2. conn=sqlite3.connect(mydb2.db) 3. c=conn.cursor() 4. c.execute('create table family (Id integer primary key, name text, age integer)') 5. c.execute(insert into family values (1,'elham',32)) 6.

[Tutor] sqlite3 question

2012-05-23 Thread Khalid Al-Ghamdi
hi all, I'm using Python 3 and have read that you need sqlite to be installed to use the sqlite3 module, but when it is imported it seems to work ok. so, do you need to install it? also, when you create the database where is it saved? thanks ___ Tutor

[Tutor] advice on an app

2012-05-01 Thread Khalid Al-Ghamdi
hi all, I'm trying to create an app that schedules 3000 to 5000 trainees' practical exams. All the trainees basic info (name, badge, major, etc.) is in excel and i've managed to convert it into a *HUGE *list via a csv.reader object. My question is: is this the right way to go or should i use

[Tutor] tkinter question

2012-04-26 Thread Khalid Al-Ghamdi
hi everyone, I'm usting python 3.2 on windows, and I'm doing these GUI exercises using tkinter. I've created this simple window with two widgets (a label and a button) the button is supposed to exit the root window, but the problem is it doesn't seem to, for some reason. It looks like it is

Re: [Tutor] Questions Regarding Sockets

2012-04-15 Thread Khalid Al-Ghamdi
Thanks a lot. You've been, as usual, very helpful. On Sat, Apr 14, 2012 at 8:32 PM, Alan Gauld alan.ga...@btinternet.comwrote: On 14/04/12 17:41, Khalid Al-Ghamdi wrote: 1- In line (15), what are these variables tcpCliSock,addr supposed to hold and do? The socket object and the IP

[Tutor] Questions Regarding Sockets

2012-04-14 Thread Khalid Al-Ghamdi
Hi All, (python 3.2 on windows) I have a couple of questions regarding the below code: 1- In line (15), what are these variables tcpCliSock, addr supposed to hold and do? 2- Why do I have to specify the buffer size and what does it mean? 3- When I try to run the below code and its corresponding

[Tutor] need help with a script..

2012-04-11 Thread Khalid Al-Ghamdi
Hi All, I'm using python 3.2 on a windows xp. I wrote the below script and ran it with the hope of returning a list of proctors (list_proc), but when it runs it doesn't call the function convert_proctors() as intended. On the other hand, when i import the module from the IDLE prompt and call

Re: [Tutor] need help with a script..

2012-04-11 Thread Khalid Al-Ghamdi
got it thanks a lot On Wed, Apr 11, 2012 at 4:59 PM, Jerry Hill malaclyp...@gmail.com wrote: On Wed, Apr 11, 2012 at 9:50 AM, Khalid Al-Ghamdi emailkg...@gmail.com wrote: Hi All, I'm using python 3.2 on a windows xp. I wrote the below script and ran it with the hope of returning

[Tutor] Is socket.socket() a func or a class

2012-04-06 Thread Khalid Al-Ghamdi
hi all, I'm reading this book that says when creating a socket you have to use the socket.socket() *function *as in : ss=socket.socket() but whey i check they type it says it's a class which makes sense cause you're creating a socket object. type(ss) class 'socket.socket' so, which is it? or

[Tutor] a problem with a server and client

2012-04-06 Thread Khalid Al-Ghamdi
hi, i'm trying to implement a server that adds a time stamp to incoming text form a client. the server's code is (but doesn't seem to have the problem as demoed by the error below: from socket import * from time import ctime HOST = '' PORT = 21567 BUFSIZ = 1024 ADDR =(HOST, PORT) tcpSerSock =

Re: [Tutor] a problem with a server and client

2012-04-06 Thread Khalid Al-Ghamdi
yah i did the search, and tried the solution, but it didn't work nice of you to have tried, though... anyhow, i found where the problem is... on the client side it should be connect() instead of bind() in : tcpCliSock.bind(ADDR) thanks On Fri, Apr 6, 2012 at 4:59 PM, Evert Rol

Re: [Tutor] a problem with a server and client

2012-04-06 Thread Khalid Al-Ghamdi
actually, you are right... in addition to that problem, there was the encodeing/decoding issue you mentioned on both the client and server. thanks On Fri, Apr 6, 2012 at 5:08 PM, Khalid Al-Ghamdi emailkg...@gmail.comwrote: yah i did the search, and tried the solution, but it didn't work

[Tutor] Question about login=''.join(choice(lc) for j in range(llen))

2012-04-03 Thread Khalid Al-Ghamdi
Hi, The following code tries to generate some dummy data for regex exercises. My question is in reference the line before last: dom=.join(choice(lc) for j in range (dlen)) how does the interpreter know what j is supposed to refer to when it was not mentioned prior? from random import

[Tutor] Library of Module for Analyzing Answer Cards

2012-03-22 Thread Khalid Al-Ghamdi
Hi All, I work in in academic testing environment and we employ expensive machines to scan answer sheets (the ones where you blacken the letter of the correct multiple choice answer). Anyway, I was thinking if there was a way we could use regular old scanners to scan the sheets than analyze the

[Tutor] why is this so?

2011-09-18 Thread Khalid Al-Ghamdi
Hi All, why is this so? type('love') class 'str' love is str False ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor

[Tutor] Tutorials on csv module??

2011-08-24 Thread Khalid Al-Ghamdi
Hi everyone, can anyone point me to a good tutorial on using the csv module? also, is there a module that can help me check data in a excel file other than the csv module? thanks a lot khaild ___ Tutor maillist - Tutor@python.org To unsubscribe or

[Tutor] tkinter issue in python 3

2011-08-07 Thread Khalid Al-Ghamdi
Hi all, I'm studying this tutorialhttp://www.pythonware.com/library/tkinter/introduction/hello-again.htmabout tkinter, but it that it's code in a 2.X. I'm using the following code in python 3, but when i hit quite in the resulting widget it hangs. I've tried modifying the things I know about to

[Tutor] Django Book Recommendation

2010-04-07 Thread Khalid Al-Ghamdi
Hi everyone! Do you have recommendations regrading good free books or websites to learn django? I'm a beginner and know the basics of python. thanks ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options:

[Tutor] What books do you recommend?

2009-12-08 Thread Khalid Al-Ghamdi
Hi, I wan't to buy some books about python 3. Do you have any recommendations? I started with no previous programming experience, and I've finished a few tutorials and I guess I can be considered a beginner. My problem, though, is I still find it difficult to write meaningful code or use the

[Tutor] Dictionary Comprehensions

2009-12-04 Thread Khalid Al-Ghamdi
Hi everyone! I'm using python 3.1 and I want to to know why is it when I enter the following in a dictionary comprehension: dc={y:x for y in list(khalid) for x in range(6)} I get the following: {'a': 5, 'd': 5, 'i': 5, 'h': 5, 'k': 5, 'l': 5} instead of the expected: {'a': 0, 'd': 1, 'i': 2,

[Tutor] [Errno 9] Bad file descriptor

2009-11-30 Thread Khalid Al-Ghamdi
Hi everybody, I'm running python 2.6.1 on vista and I'm trying to use the csv module to write to a csv file and get the average of some numbers, but I keep getting the following error: Traceback (most recent call last): File C:\Python31\MyCSVProjectFinal.py, line 83, in module

[Tutor] getting python 3 to run from the command line

2009-11-14 Thread Khalid Al-Ghamdi
Hi, for some reason I haven't been able to get python 3 to work from the the command line. I've added it to the the path in the the system variables but still no luck. when I try to run python 2.6 it works flawlessly, though, bearing in mind that it wasn't added to the system variables! i'm

[Tutor] getting python 3 to run from the command line (version 2)

2009-11-14 Thread Khalid Al-Ghamdi
hi all, I realize my question was previous question was phrased, well, vaguely, as I learn from your responses so here's version 2 of my question: i'm running windows vista and have python 30 ,31 and 26 installed.! when I try to run python form the command line by printing *python *to whichever

[Tutor] os.environ question

2009-11-11 Thread Khalid Al-Ghamdi
hi, can anyone tell me why on python 2.6 i can enter *os.environ* and then get all the items that that pertain to the os while on python 3 you just get the following: os._Environ object at 0x01B18D90 with no items? thanks ___ Tutor maillist -

[Tutor] A question about the self and other stuff

2009-10-25 Thread Khalid Al-Ghamdi
Hi everybody, So I'm new to python and have questions about the following code: class Robot: '''Represents a Robot with a name. Deletes and makes Robots for testing perpuses''' #a var for counting the number of Robots population = 0 def __init__(self, name): '''initializes