File: __init__.py

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##    pygame - Python Game Library
##    Copyright (C) 2000-2001  Pete Shinners
##
##    This library is free software; you can redistribute it and/or
##    modify it under the terms of the GNU Library General Public
##    License as published by the Free Software Foundation; either
##    version 2 of the License, or (at your option) any later version.
##
##    This library is distributed in the hope that it will be useful,
##    but WITHOUT ANY WARRANTY; without even the implied warranty of
##    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
##    Library General Public License for more details.
##
##    You should have received a copy of the GNU Library General Public
##    License along with this library; if not, write to the Free
##    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
##
##    Pete Shinners
##    pete@shinners.org
"""Pygame is a set of Python modules designed for writing games.
It is written on top of the excellent SDL library. This allows you
to create fully featured games and multimedia programs in the python
language. The package is highly portable, with games running on
Windows, MacOS, OS X, BeOS, FreeBSD, IRIX, and Linux.
"""

import sys, os, string

# check if is old windows... if so use directx video driver by default.
# if someone sets this respect their setting...
if not 'SDL_VIDEODRIVER' in os.environ:
    # http://docs.python.org/lib/module-sys.html
    # 0 (VER_PLATFORM_WIN32s) 	Win32s on Windows 3.1
    # 1 (VER_PLATFORM_WIN32_WINDOWS) 	Windows 95/98/ME
    # 2 (VER_PLATFORM_WIN32_NT) 	Windows NT/2000/XP
    # 3 (VER_PLATFORM_WIN32_CE) 	Windows CE
    if hasattr(sys, "getwindowsversion"):
        try:
            if (sys.getwindowsversion()[3] in [1,2] and
                sys.getwindowsversion()[0] in [0,1,2,3,4,5]):
                os.environ['SDL_VIDEODRIVER'] = 'directx'
        except:
            pass

# when running under X11, always set the SDL window WM_CLASS to make the
# window managers correctly match the pygame window.
if 'DISPLAY' in os.environ and not 'SDL_VIDEO_X11_WMCLASS' in os.environ:
    os.environ['SDL_VIDEO_X11_WMCLASS'] = os.path.basename(sys.argv[0])

class MissingModule:
    _NOT_IMPLEMENTED_ = True
    def __init__(self, name, info='', urgent=0):
        self.name = name
        self.info = str(info)
        try:
            exc = sys.exc_info()
            if exc[0] != None:
                self.reason = "%s: %s" % (exc[0].__name__, str(exc[1]))
            else:
                self.reason = ""
        finally:
            del exc
        self.urgent = urgent
        if urgent:
            self.warn()

    def __getattr__(self, var):
        if not self.urgent:
            self.warn()
            self.urgent = 1
        MissingPygameModule = "%s module not available" % self.name
        if self.reason:
            MissingPygameModule += "\n(%s)" % self.reason
        raise NotImplementedError(MissingPygameModule)

    def __nonzero__(self):
        return 0

    def warn(self):
        if self.urgent: type = 'import'
        else: type = 'use'
        message = '%s %s: %s' % (type, self.name, self.info)
        if self.reason:
            message += "\n(%s)" % self.reason
        try:
            import warnings
            if self.urgent: level = 4
            else: level = 3
            warnings.warn(message, RuntimeWarning, level)
        except ImportError:
            print (message)



#we need to import like this, each at a time. the cleanest way to import
#our modules is with the import command (not the __import__ function)

#first, the "required" modules
from pygame.base import *
from pygame.constants import *
from pygame.version import *
from pygame.rect import Rect
from pygame.compat import geterror
import pygame.rwobject
import pygame.surflock
import pygame.color
Color = color.Color
__version__ = ver

#next, the "standard" modules
#we still allow them to be missing for stripped down pygame distributions
try: import pygame.cdrom
except (ImportError,IOError):cdrom=MissingModule("cdrom", geterror(), 1)

try: import pygame.cursors
except (ImportError,IOError):cursors=MissingModule("cursors", geterror(), 1)

try: import pygame.display
except (ImportError,IOError):display=MissingModule("display", geterror(), 1)

try: import pygame.draw
except (ImportError,IOError):draw=MissingModule("draw", geterror(), 1)

try: import pygame.event
except (ImportError,IOError):event=MissingModule("event", geterror(), 1)

try: import pygame.image
except (ImportError,IOError):image=MissingModule("image", geterror(), 1)

try: import pygame.joystick
except (ImportError,IOError):joystick=MissingModule("joystick", geterror(), 1)

try: import pygame.key
except (ImportError,IOError):key=MissingModule("key", geterror(), 1)

try: import pygame.mouse
except (ImportError,IOError):mouse=MissingModule("mouse", geterror(), 1)

try: import pygame.sprite
except (ImportError,IOError):sprite=MissingModule("sprite", geterror(), 1)


try: import pygame.threads
except (ImportError,IOError):threads=MissingModule("threads", geterror(), 1)


def warn_unwanted_files():
    """ Used to warn about unneeded old files.
    """

    # a temporary hack to warn about camera.so and camera.pyd.
    install_path= os.path.split(pygame.base.__file__)[0]
    extension_ext = os.path.splitext(pygame.base.__file__)[1]

    # here are the .so/.pyd files we need to ask to remove.
    ext_to_remove = ["camera"]

    # here are the .py/.pyo/.pyc files we need to ask to remove.
    py_to_remove = ["color"]
    
    if os.name == "e32": # Don't warn on Symbian. The color.py is used as a wrapper.
        py_to_remove = []

    # See if any of the files are there.
    extension_files = ["%s%s" % (x, extension_ext) for x in ext_to_remove]

    py_files = ["%s%s" % (x, py_ext)
                for py_ext in [".py", ".pyc", ".pyo"]
                for x in py_to_remove]

    files = py_files + extension_files

    unwanted_files = []
    for f in files:
        unwanted_files.append( os.path.join( install_path, f ) )



    ask_remove = []
    for f in unwanted_files:
        if os.path.exists(f):
            ask_remove.append(f)


    if ask_remove:
        message = "Detected old file(s).  Please remove the old files:\n"

        for f in ask_remove:
            message += "%s " % f
        message += "\nLeaving them there might break pygame.  Cheers!\n\n"

        try:
            import warnings
            level = 4
            warnings.warn(message, RuntimeWarning, level)
        except ImportError:
            print (message)


# disable, because we hopefully don't need it.
#warn_unwanted_files()



try: from pygame.surface import *
except (ImportError,IOError):Surface = lambda:Missing_Function


try:
    import pygame.mask
    from pygame.mask import Mask
except (ImportError,IOError):Mask = lambda:Missing_Function

try: from pygame.pixelarray import *
except (ImportError,IOError): PixelArray = lambda:Missing_Function

try: from pygame.overlay import *
except (ImportError,IOError):Overlay = lambda:Missing_Function

try: import pygame.time
except (ImportError,IOError):time=MissingModule("time", geterror(), 1)

try: import pygame.transform
except (ImportError,IOError):transform=MissingModule("transform", geterror(), 1)

#lastly, the "optional" pygame modules
try:
    import pygame.font
    import pygame.sysfont
    pygame.font.SysFont = pygame.sysfont.SysFont
    pygame.font.get_fonts = pygame.sysfont.get_fonts
    pygame.font.match_font = pygame.sysfont.match_font
except (ImportError,IOError):font=MissingModule("font", geterror(), 0)

# try and load pygame.mixer_music before mixer, for py2app...
try:
    import pygame.mixer_music
    #del pygame.mixer_music
    #print ("NOTE2: failed importing pygame.mixer_music in lib/__init__.py")
except (ImportError,IOError):
    pass

try: import pygame.mixer
except (ImportError,IOError):mixer=MissingModule("mixer", geterror(), 0)

try: import pygame.movie
except (ImportError,IOError):movie=MissingModule("movie", geterror(), 0)

#try: import pygame.movieext
#except (ImportError,IOError):movieext=MissingModule("movieext", geterror(), 0)

try: import pygame.scrap
except (ImportError,IOError):scrap=MissingModule("scrap", geterror(), 0)

try: import pygame.surfarray
except (ImportError,IOError):surfarray=MissingModule("surfarray", geterror(), 0)

try: import pygame.sndarray
except (ImportError,IOError):sndarray=MissingModule("sndarray", geterror(), 0)

try: import pygame.fastevent
except (ImportError,IOError):fastevent=MissingModule("fastevent", geterror(), 0)

#there's also a couple "internal" modules not needed
#by users, but putting them here helps "dependency finder"
#programs get everything they need (like py2exe)
try: import pygame.imageext; del pygame.imageext
except (ImportError,IOError):pass

def packager_imports():
    """
    Some additional things that py2app/py2exe will want to see
    """
    import atexit
    import Numeric
    import numpy
    import OpenGL.GL
    import pygame.macosx
    import pygame.mac_scrap
    import pygame.bufferproxy
    import pygame.colordict

#make Rects pickleable
try:
    import copy_reg
except ImportError:
    import copyreg as copy_reg
def __rect_constructor(x,y,w,h):
	return Rect(x,y,w,h)
def __rect_reduce(r):
	assert type(r) == Rect
	return __rect_constructor, (r.x, r.y, r.w, r.h)
copy_reg.pickle(Rect, __rect_reduce, __rect_constructor)


#make Colors pickleable
def __color_constructor(r,g,b,a):
        return Color(r,g,b,a)
def __color_reduce(c):
        assert type(c) == Color
        return __color_constructor, (c.r, c.g, c.b, c.a)
copy_reg.pickle(Color, __color_reduce, __color_constructor)




#cleanup namespace
del pygame, os, sys, rwobject, surflock, MissingModule, copy_reg, geterror