mirror of
https://github.com/ValveSoftware/Proton.git
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107 lines
3.6 KiB
Python
Executable File
107 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# usage: default_pfx.py path/to/default_pfx_dir path/to/dist
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"Helper module for building the default prefix"
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import os
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import subprocess
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def file_is_wine_builtin_dll(path):
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if not os.path.exists(path):
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return False
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try:
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sfile = open(path, "rb")
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sfile.seek(0x40)
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tag = sfile.read(20)
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return tag.startswith((b"Wine placeholder DLL", b"Wine builtin DLL"))
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except IOError:
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return False
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def little_endian_bytes_to_uint(b):
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result = 0
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multiplier = 1
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for i in b:
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result += i * multiplier
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multiplier <<= 8
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return result
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def dll_bitness(path):
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if not os.path.exists(path):
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return 0
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try:
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sfile = open(path, "rb")
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sfile.seek(0x3c)
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ntheader_ofs = little_endian_bytes_to_uint(sfile.read(4))
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sfile.seek(0x18 + ntheader_ofs)
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magic = sfile.read(2)
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if magic == bytes((11, 1)):
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return 32
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if magic == bytes((11, 2)):
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return 64
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return 0
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except IOError:
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return 0
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def make_relative_symlink(target, linkname):
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target = os.path.abspath(target)
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linkname = os.path.abspath(linkname)
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rel = os.path.relpath(target, os.path.dirname(linkname))
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os.symlink(rel, linkname)
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def setup_dll_symlinks(default_pfx_dir, dist_dir):
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for walk_dir, dirs, files in os.walk(default_pfx_dir):
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for file_ in files:
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filename = os.path.join(walk_dir, file_)
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if os.path.isfile(filename) and file_is_wine_builtin_dll(filename):
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bitness = dll_bitness(filename)
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if bitness == 32:
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libdir = os.path.join(dist_dir, 'lib/wine')
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elif bitness == 64:
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libdir = os.path.join(dist_dir, 'lib64/wine')
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else:
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continue
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if os.path.exists(os.path.join(libdir, file_)):
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target = os.path.join(libdir, file_)
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elif os.path.exists(os.path.join(libdir, 'fakedlls', file_)):
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target = os.path.join(libdir, 'fakedlls', file_)
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else:
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continue
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os.unlink(filename)
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make_relative_symlink(target, filename)
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def get_runtime_ld_path(runtime):
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env = subprocess.check_output(runtime + ["env"], text=True)
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for line in env.splitlines():
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if line.startswith("LD_LIBRARY_PATH"):
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return line.split("=", maxsplit=1)[1]
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return None
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def make_default_pfx(default_pfx_dir, dist_dir, runtime):
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local_env = dict(os.environ)
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local_env["WINEPREFIX"] = default_pfx_dir
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local_env["WINEDEBUG"] = "-all"
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ld_path = dist_dir + "/lib64:" + dist_dir + "/lib"
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if runtime is None:
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local_env["LD_LIBRARY_PATH"] = ld_path
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runtime_args = []
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else:
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#the runtime overwrites LD_LIBRARY_PATH, so we pass it in on the CL via env
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runtime_ld_path = get_runtime_ld_path(runtime)
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if not runtime_ld_path is None:
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ld_path = ld_path + ":" + runtime_ld_path
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runtime_args = runtime + ["env", "LD_LIBRARY_PATH=" + ld_path]
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subprocess.run(runtime_args + [os.path.join(dist_dir, 'bin', 'wine'), "wineboot"], env=local_env, check=True)
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subprocess.run(runtime_args + [os.path.join(dist_dir, 'bin', 'wineserver'), "-w"], env=local_env, check=True)
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setup_dll_symlinks(default_pfx_dir, dist_dir)
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if __name__ == '__main__':
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import sys
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if len(sys.argv) > 3:
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make_default_pfx(sys.argv[1], sys.argv[2], sys.argv[3:])
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else:
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make_default_pfx(sys.argv[1], sys.argv[2], None)
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