[Tutor] Distutils Font Error
Dear Fellow Python Users,
I am currently working on a small Python 3.1.3 game on a Windows 7
machine and am attempting to freezing it using Distutils and cx_freeze so I
can share it with friends and family. Several attempts in I reached an error
that I am unable to fix and was hoping for some advice. The error is as
followes.
C:\Users\Greg\Documents\NetBeansProjects\Racing1\src\build\exe.win32-3.1>racing1
.exe
C:\Users\Greg\Documents\NetBeansProjects\Racing1\src\build\exe.win32-3.1\library
.zip\RacingLibrary.py:335: RuntimeWarning: use font: DLL load failed: %1 is
not
a valid Win32 application.
(ImportError: DLL load failed: %1 is not a valid Win32 application.)
Traceback (most recent call last):
File "C:\Python31\lib\site-packages\cx_Freeze\initscripts\Console3.py",
line 2
7, in
exec(code, m.__dict__)
File "racing1.py", line 81, in
File "racing1.py", line 28, in main
File
"C:\Users\Greg\Documents\NetBeansProjects\Racing1\src\RacingLibrary.py",
line 335, in __init__
self.font = pygame.font.Font("freesansbold.ttf", 20)
File "C:\Python31\lib\site-packages\pygame\__init__.py", line 70, in
__getattr
__
raise NotImplementedError(MissingPygameModule)
NotImplementedError: font module not available
(ImportError: DLL load failed: %1 is not a valid Win32 application.)
This error occurs regardless to whether I use a freeware font and save a
copy of it in the .exe directory or if I attempt to call SysFont("None") Is
it possible that either Distutils or cx_freeze does not support .ttf? It's
the best guess I have at the moment. Hopefully someone can shed some light
into what is really going on here. Thank you to everyone who takes time to
read this and perhaps even respond with a possible solution. Mr. Nielsen
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[Tutor] Unbound Method Error
Because of the limited Python 3 support, I've decided to attempt to push my over 600 lines of code back to Python 2.6. Surprisingly, it worked well for the most part, except for the following section of code. crash = pygame.sprite.spritecollide(playerCar, computerSprites, False) if crash: for BlueCarSprite in crash: redracersprites26.BlueCarSprite.collide(BlueCarSprite, playerCar) for GreenCarSprite in crash: redracersprites26.GreenCarSprite.collide(GreenCarSprite, playerCar) for TruckSprite in crash: redracersprites26.TruckSprite.collide(TruckSprite, playerCar) This is a perfectly good piece of code in Python 3.1.3 which checks to see if a user controlled sprite collides with one or more computer controlled sprites, then passes the data off to the proper class method to handle the details. In Python 2.6.6, this section of code returns the following error TypeError: unbound method collide() must be called with BlueCarSprite instance as first argument (got GreenCarSprite instance instead) I have several questions as to what exactly is going on and what I should do, if you have any sort of answer to any of these questions, please respond. 1) What exactly is an "unbound method" error? I have been programming (in other languages) for several years on and off and have never heard of something like this. 2) What changes between 3.1.3 and 2.6.6 that makes this section of code not work? My best guess is that I'm missing something that lets the computer know that BlueCarSprite is an object type, but even if that's true, I wouldn't know what to do to fix it. 3) What would be a legit fix to my code to make it run? Sure, I guess I could write a Collide class and use that rather than my collide method, or perhaps a class that could act as a middle man between bits of code that I know work, but I know that there has to be a better way to fix this. Thank you to any and all who take the time to read this message, and especially to those who respond with any sort of feedback Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Unbound Method Error
First and foremost, thank you Steven for your quick and well written response. It means a lot to me that you took the time out of your day to answer my question, and it has really helped me better understand what it going on. So the full trace back for my error is as follows: Traceback (most recent call last): File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracer26.py", line 19, in main() File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracer26.py", line 16, in main redracerstates26.game(startLives) File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracerstates26.py", line 87, in game redracersprites26.BlueCarSprite.collide(BlueCarSprite, playerCar) TypeError: unbound method collide() must be called with BlueCarSprite instance as first argument (got GreenCarSprite instance instead) After reading through your explanation of unbound methods (and wrapping my head around the concept), I came up with a quick fix that lead to a new issue in my code. Here is what I think should work: crash = pygame.sprite.spritecollide(playerCar, computerSprites, False) if crash: for BlueCarSprite in crash: redracersprites26.BlueCarSprite.collide(crash, playerCar) for GreenCarSprite in crash: redracersprites26.GreenCarSprite.collide(crash, playerCar) for TruckSprite in crash: redracersprites26.TruckSprite.collide(crash, playerCar) However, the spritecollide method returns a list, which my collide method isn't expecting. The list should only contain the name of the sprite the player hit. In Python 3, the method would just pull the variable out of the list and work with it, but in Python 2, it's not expecting a list, causing an error similar to the one seen previously: Traceback (most recent call last): File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracer26.py", line 19, in main() File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracer26.py", line 16, in main redracerstates26.game(startLives) File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracerstates26.py", line 87, in game redracersprites26.BlueCarSprite.collide(crash, playerCar) TypeError: unbound method collide() must be called with BlueCarSprite instance as first argument (got list instance instead) So what really has to happen now (I think) is that the list needs to be unpacked into just a simple variable containing the name of the sprite in question. This way the method receives the name of the instance (self) in the way it was expecting to receive it. In your opinion, should I unpacked the list before passing the data into the method, or attempt to define "self" as a list? Is the latter even possible? I would think it would have to be because otherwise Python could pick a variable type which you don't want or aren't expecting it to pick and need to force it to take a certain type of input. And thank you for pointing out the fact I could just make a CarSprite class and have subclasses (basically just a different sprite image) work with the details. You just removed over 150 lines of redundant code from my program. And once again, thank you Steven for taking the time to help me better understand the whole unbound method concept. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Unbound Method Error
Ramit, First, thank you for your input and insight into my problem, I believe that the code you came up with should not only be more efficient, but also clear up the last of my issues. I just have a quick question on the isinstance command you called. How exactly do I get the code to recognize it as a class I wrote sitting in an imported library file? I would guess that it would look sort of like this: if crash: for car in crash: if isinstance(car, redracersprites26.BlueCarSprite()): redracersprites26.BlueCarSprite.collide(car, playerCar) However, worded as it the follow error and call back happens: Traceback (most recent call last): File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracer26.py", line 19, in main() File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracer26.py", line 16, in main redracerstates26.game(startLives) File "C:\Users\Greg\Documents\NetBeansProjects\Red Racer 26\src\redracerstates26.py", line 87, in game if isinstance(car, redracersprites26.BlueCarSprite()): TypeError: isinstance() arg 2 must be a class, type, or tuple of classes and types I must be using the wrong syntax in the second argument. I think I should be able to find the documentation for this (extremely cool) method you showed me, but if you know the proper way to cite my object, could you send me what you think will work. This way I can have something to double check my work against if I don't get it right first time round. Thank you again for your time and assistance Ramit. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Unbound Method Error
And it works! Thank you once again to both Steven and Ramit for your peerless insight into the workings of Python and for taking time out of you day to help me work my code back to Python 2. I have learned much by talking with both of you over the last day or so. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] Splitting a Tuple in Python 2.7
The following gets returned from a function that I am calling. (120, 400) While I can use the Tuple as is in my program, I would like the ability to change one or even both of the numbers depending on other events that happen. So here is my question, is there a way to either 1) save each part of the Tuple into a seperate variable or 2) edit just one part of the Tuple without knowing or affecting the other number. Thanks for the help! Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Sandbox Game
Nate, I myself am a newer programmer with most of my experience in the use of pygame, perhaps I could help point you in the right direction. First, there is a lot of cool stuff over at the main pygame website, and a lot of the users will post projects with images, general overviews, and a link to their main codebase / content. It might take some searching, but you could definitely find something similar to what you are working on there. While finding something similar to what you are working on would really help you out, something you might find even better is this book by Andy Harris http://www.amazon.com/Game-Programming-Line-Express-Learning/dp/0470068221/ref=sr_1_5?s=books&ie=UTF8&qid=1328564353&sr=1-5 It's an amazing resource that takes you from installing python to creating your own games and even a game engine. There is a good chance that your local library has a copy. If you are serious about learning game programming in python, this is what you need to read. Lastly, speaking from experience. Start small. Just like Bob said, start with just the absolute basics and slowly add to your program. Mr. Harris' book demonstrates this in Chapter 7 perfectly. So check out pygame's website and check out that book from your library. I promise it will help you get started. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] Class Nesting
Hello List, My name is Greg, and while working on a project I've come across a rather interesting problem. I'm trying to create a rough model of a star cluster and all of the stars and planets contained within. Kind of a cool project; hopefully it should work a little like this. I create a Star Cluster object, which goes through a list of positions and decides if it should build a Star System there. If it does, it then creates a Star System object at that position which in turn calls upon and creates several Planet objects to reside inside of it. All in all, about 64 positions to check, on average 24 Star Systems, each with between 2 and 9 planets. So here is the problem, to create an object, you need to assign it to a variable, and you need to know what that variable is to call upon it later, so to have a object build a second object, it would need to somehow create a variable name, and you would somehow have to know what name it picked. Unless perhaps you had a Star Cluster list which had all of your created Star System objects, each with their own list of Planets which you could use list to call upon maybe I have a general grasp on the idea of nesting and calling upon objects which you don't know the name of, but this goes far beyond my level of understanding. Can anyone shed some light on how this would work, or perhaps point me in the right direction of some documentation on this? Thanks for the help, and I hope this is not too difficult of a question. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] Position issue with Pygame
Hey everyone,
Still working on that racing game project. I have come quite a far way
and will hopefully release something soon, but I wrote some bad code and
can't seem to fix it. Im most likely just missing something really silly
because I wrote this code at 2am yesterday. Here it is
def __init__(self):
pygame.sprite.Sprite.__init__(self)
"""Set the image, convert the image, and set the rect"""
self.image = pygame.image.load("NoCondition.bmp")
self.image = self.image.convert()
self.rect = self.image.get_rect()
"""Set the position of the sprite on screen"""
self.center = (100, 100)
self.rect.center = self.center
For whatever reason, the sprite is placed at the very top of the
screen as if assigned "self.rect.topleft = (0, 0)" reguardless of what I
assign as the position. Please put me out of my misery and point out what
little thing I coded wrong. Thank you all for the help.
Greg
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[Tutor] Math Function and Python
Hello Tutor, I'm having some trouble with a mathematical function in my code. I am attempting to create a realistic acceleration in an object, slower to speed up at its min and max speeds and fastest in the middle. To keep the math simpl(er), I just wrote this function for a parabola, which models the acceleration of the object. Y is the acceleration and X is the current speed of the object. Y = -.01X^2 * 1.45X Before I came up with this formula, I was using a very inefficient list method to do this. The old code is in italics. I still have it in the code because it works (sort of). The function is commented out because it doesn't work. It's also in bold, so you can see it easily. if keys[pygame.K_UP] and self.dy < (15 + self.speedMod): if self.dy <= 0: * self.accelPoints += self.accelList[0]* *#self.dy += 1* else: *self.accelPoints += self.accelList[self.dy]* *#self.accelPoints += ((-.1 * (self.dy * self.dy)) + (1.45 * self.dy))* if self.accelPoints >= self.accelGoal: self.dy += 1 self.nety = self.dy self.accelPoints = 0 I did a test, and for some reason, it seems like the output of the function is never saved into the self.accelPoints variable, because it always prints out as 0. (For those who don't want to do the math, when dy = 1, the function should output something close to 1.55) My best guess is that the accelPoints doesn't like the fact that the function outputs a double, but even when i make accelPoints a double (made it equal 0.01 instead of 0) it still didn't work. If you have any thoughts on the matter, please let me know. I most likely broke it in the most silly way imaginable. Thanks for reading. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
[Tutor] Pygame and TkInter
Hello Tutor, Quick question. Working on a new game and want to build in a GUI. TkInter seems to fit the bill except for one small item. Both Pygame and TkInter create windows. (Screen in Pygame, and the Root widget in TkInter) Is there a way to combined these two so I can use all my Pygame sprites and objects and any TkInter bars and buttons all in one screen? My best guess would be something along this line. screen = pygame.display.set_mode((640, 420)) root = Tk(screen) or maybe this... screen = Tk(pygame.display.set_mode((640, 420)) I really just need Tkinter for some easy buttons and stuff, everything else I can do in Pygame. Any thoughts? Thanks for the assist. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Pygame and TkInter
Eryksun, That there is some classy code work. I actually found that same answer and was about to try it when I saw your reply. It's going to take some time to figure out everything you did there and how to apply it to my project, but this is exactly what I needed. Thanks for the assist! Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Pygame and TkInter
Ok kids, settle down. Quick question to Dwight; why Blender? Im not going for "new age" like that. (Personally when you spend that much time making a game look nice, the core mechinics suffer.) However, it does look rather shiny and powerful. All I really need though are some GUI components to add to my game. I could write them myself, but if someone else already did the work, why bother. Have any other recomendations or related info on Blender? Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Pygame and TkInter
I will admit that the whole Blender project is cool, but Jerry has a point. All I wanted to know was how to get Pygame and TkInter to work together, and I got a solid answer about 12 hours ago. (Check out Eryksun's code, it's beyond cool, past awsome, and close to sexy.) As such, I am considering this post closed. Thank you all for your help. Greg ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
