1 # Copyright (C) 2005, Giovanni Bajo

     2 #

     3 # This program is free software; you can redistribute it and/or

     4 # modify it under the terms of the GNU General Public License

     5 # as published by the Free Software Foundation; either version 2

     6 # of the License, or (at your option) any later version.

     7 #

     8 # In addition to the permissions in the GNU General Public License, the

     9 # authors give you unlimited permission to link or embed the compiled

    10 # version of this file into combinations with other programs, and to

    11 # distribute those combinations without any restriction coming from the

    12 # use of this file. (The General Public License restrictions do apply in

    13 # other respects; for example, they cover modification of the file, and

    14 # distribution when not linked into a combine executable.)

    15 #

    16 # This program is distributed in the hope that it will be useful,

    17 # but WITHOUT ANY WARRANTY; without even the implied warranty of

    18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    19 # GNU General Public License for more details.

    20 #

    21 # You should have received a copy of the GNU General Public License

    22 # along with this program; if not, write to the Free Software

    23 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

    24 

    25 # PyOpenGL (specifically, OpenGL.__init__) reads a "version" text file

    26 # containing the version number to export it as OpenGL.__version__. When

    27 # packaging with PyInstaller, the 'version' file does not exist, and importing

    28 # PyOpenGL results in an IOError.

    29 # The (convoluted) solution is to override Python's builtin "open" with our

    30 # own function which detects when "version" is opened and returns some fake

    31 # content stream (through cStringIO).

    32 

    33 __realopen__ = open

    34 

    35 def myopen(fn, *args):

    36     import os

    37     lastdir = os.path.basename(os.path.dirname(fn))

    38     if os.path.basename(fn) == "version" and os.path.splitext(lastdir)[1] == ".pyz":

    39         import cStringIO

    40         # Restore original open, since we're almost done

    41         __builtins__.__dict__["open"] = __realopen__

    42         # Report a fake revision number. Anything would do since it's not

    43         # used by the library, but it needs to be made of four numbers

    44         # separated by dots.

    45         return cStringIO.StringIO("0.0.0.0")

    46     return __realopen__(fn, *args)

    47 

    48 __builtins__.__dict__["open"] = myopen