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dll.py
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dll.py
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# dll.py module
"""DLL specifics
Configured for the Pygame 1.9.0 dependencies as built by msys_build_deps.py.
"""
# Some definitions:
# Library name (name): An internal identifier, a string, for a library.
# e.g. FONT
# Library file root (root): The library root used in linker -l options.
# e.g. SDL_mixer
import re
# Table of dependencies.
# name, root, File regex, Dependency list of names
libraries = [
('MIXER', 'SDL_mixer', r'SDL_mixer\.dll$',
['SDL', 'VORBISFILE', 'SMPEG']),
('VORBISFILE', 'vorbisfile', r'libvorbisfile-3\.dll$',
['VORBIS']),
('VORBIS', 'vorbis', r'libvorbis-0\.dll$', ['OGG']),
('OGG', 'ogg', r'libogg-0\.dll$', []),
('SMPEG', 'smpeg', r'smpeg\.dll$', ['SDL']),
('IMAGE', 'SDL_image', r'SDL_image\.dll$',
['SDL', 'JPEG', 'PNG', 'TIFF']),
('TIFF', 'tiff', r'libtiff-3\.dll$', ['JPEG', 'Z']),
('JPEG', 'jpeg', r'libjpeg-8\.dll$', []),
('PNG', 'png', r'libpng14\.dll$', ['Z']),
('FONT', 'SDL_ttf', r'SDL_ttf\.dll$', ['SDL']),
('FREETYPE', 'freetype', r'libfreetype-6\.dll$', ['Z']),
('Z', 'z', r'zlib1\.dll$', []),
('SDL', 'SDL', r'SDL\.dll$', []),
('PORTMIDI', 'portmidi', r'portmidi\.dll', []),
('PORTTIME', 'portmidi', r'portmidi\.dll', []),
]
# regexs: Maps name to DLL file name regex.
# lib_dependencies: Maps name to list of dependencies.
# file_root_names: Maps name to root.
regexs = {}
lib_dependencies = {}
file_root_names = {}
for name, root, ignore1, ignore2 in libraries:
file_root_names[name] = root
for name, root, regex, deps in libraries:
regexs[name] = regex
lib_dependencies[root] = [file_root_names[d] for d in deps]
del name, root, regex, deps, ignore1, ignore2
def tester(name):
"""For a library name return a function which tests dll file names"""
def test(file_name):
"""Return true if file name f is a valid DLL name"""
return match(file_name) is not None
match = re.compile(regexs[name], re.I).match
test.library_name = name # Available for debugging.
return test
def name_to_root(name):
"""Return the library file root for the library name"""
return file_root_names[name]
def libraries(name):
"""Return the library file roots this library links too"""
return lib_dependencies[name_to_root(name)]