[Tutor] I am learning python3 and would like some more python3 modules/programs on my...
version python3.2 linux I am learning python3 and would like some more python3 modules/programs on my computer to look at and work with to learn more about python3. I have read the tutorial and some of the complete language reference. I can't tell from the package index whats a python3 module/program and whats for 2.X. I seems from the voting guide that their are not many python3 programs; did I learn python at the wrong time? If possible I would like to get involved with a python3 program despite the fact I would not be at first a good programmer (It may help you to know that python3 is my first language though I did try to learn ruby but I did not like the language much [I like python though]) unfortunately their does not seem to be much choice of what to or not to help program. On my OS their are only a few bindings to libraries the standard python installation and the python3-tools package which contains some turtle programs and examples of programming in python. To give you an idea of what I should li ke to work in I eventually want to create with python something like a voice recognition program though not to recognize voice but rather music. Though I intend to create more then the afore mentioned program so any branch of application programming would do, I intend to create it first. ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] insufficient control of ossaudiodev and or wave modules
Opensuse 12.2 python3.2 I would like to set the to get better control of the play back of wave files. I would like to set the play back volume, send the audio out only one of the two speakers and ajust the play back speed. I am completely blank on ideas of how to accomplish this and reading the recommendation in the documentation suggesting that you should not try to rewrite part of the standard library by your self I have decided to ask how to go about this. Perhaps instead of reimplementing the library a new class should be created for basic audio manipulation. If so then how would I go about this? The wav file format is not exactly human readable. I have not seen anything similer to what I desire in the repo of 3rd party packages at the python web site. ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] On understanding defintions
Opensuse 12.2 python3.2 I discoverd that some of the examples for definitions in the tutorial are not valid. I am reporting this as a bug. In the mean time I tried to look up definitions in the Language Referance part of the python documentation but I'm still confused. The if, for, etc. are statements of evaluation, comparing one item to another; so what does that make definitions? What is self? How are definitions properly used? What are the mandetory parts? What are the optional parts? (in if statements the optional parts are or, and, elif, else, etc.) I also tried looking into the demos directory, I found lots of definitions but little help in understanding them. I am confused on all types of definitions not just functions or classes. ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] I'm trying to wrap my head around defs
Opensuse 12.2 python3.2 I'm having trouble understanding them. Python is my first language... excluding English. I've already read ALL OF THE PYTHON Language Referance and I still don't "get it." What do they do? How do they work? How do you define self? Is self an object, a variable, or what? How about some over commented examples? The if statement is a statement of comparison. what is a def and more specifically a class? ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] Proper useage of "open"
I want to open a file so I read the library useage because I could not recall the propor useage. I typed in to my script: a = open (dupli, r) and got an error stating that "dupli" is not deffined. I started the script from within to same directorie that the file "dupli" was in. Perhaps it needs me to tell it to generate a list of files in the directorie? How do I get it to open the file "dupli" ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] Proper uses of classes
Hi guys, it's been a while since I posted and I've learned a lot since then. Today I have a question on classes, I can't get mine to work. class alist(list): def __init__(self, b, a): self = list() self.append(b) a = a + b def appendit(self): self.append(a) print(alist(2,4)) [] #It's blank! c = alist(2,4) c.appendit() print(c) [[...]] #It's still blank! If I add this: a = a + b the last line of my deffinition I get: c = alist(2,4) c.appendit() Traceback (most recent call last): File "", line 1, in File "", line 7, in appendit UnboundLocalError: local variable 'a' referenced before assignment If I make a nonlocal I get SyntaxError: name 'a' is parameter and nonlocal I want it to get my list and all the members in it when printing for instance. I also would like to without making them global create two variables which I can use throughout the whole class as their value will not change. ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Proper uses of classes
Sorry about the indentation guys my mail service atomatically removed it when I pasted the text (I tried to fix it by hand but it was hard to tell if I was sucessful.) I was tring to create a list object (self) and change it using the list methods and some additional ones I will define in my class. I wanted to create some varibles which I pass to most if not all of my methods. Two of my variables are to be passed to the class apon creation of the object and then they in turn are to be passed to all or most of the methods I create (a, b in this case.) If I make a, b nonlocal I get the message that they are already nonlocal. I will need for debuging purposes to print my object in random places in my class. If I did this: > self.a = aWhat would that create (I'm thinking local variable?)? class alist(): def __init__(self, b, a): self.mylist = list() self.mylist.append(b) self.a = a + b def appendit(self): #I need to get a in hear without passing #it in; it must come from the init method. self.mylist.append(self.a) #(I hope I've updated the code well, I can't test it from this computer.)PS: This is not the real code that I'm Emailing: I thought I'd be better off with some simpler code that produces the same errors. ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] The proper use of classes
Thanks guys! I've got my class up and running and am having a fine time programming in python... again. ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
