109 lines
3.2 KiB
Python
109 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2016 Christoph Reiter
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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"""
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Deletes unneeded DLLs and checks DLL dependencies.
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Execute with the build python, will figure out the rest.
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"""
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import subprocess
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import os
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import sys
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import gi
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gi.require_version("GIRepository", "2.0")
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from gi.repository import GIRepository
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def get_required_by_typelibs():
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deps = set()
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repo = GIRepository.Repository()
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for tl in os.listdir(repo.get_search_path()[0]):
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namespace, version = os.path.splitext(tl)[0].split("-", 1)
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repo.require(namespace, version, 0)
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lib = repo.get_shared_library(namespace)
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if lib:
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deps.update(lib.split(","))
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return deps
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EXTENSIONS = [".exe", ".pyd", ".dll"]
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SYSTEM_LIBS = ['advapi32.dll',
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"cabinet.dll", "comctl32.dll", "comdlg32.dll", "crypt32.dll", "d3d9.dll",
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"dnsapi.dll", "dsound.dll", "dwmapi.dll", "gdi32.dll", "imm32.dll",
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"iphlpapi.dll", "kernel32.dll", "ksuser.dll", "msi.dll", "msimg32.dll",
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"msvcr71.dll", "msvcr80.dll", "msvcrt.dll", "ole32.dll", "oleaut32.dll",
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"opengl32.dll", "rpcrt4.dll", "setupapi.dll", "shell32.dll", "user32.dll",
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"usp10.dll", "winmm.dll", "winspool.drv", "wldap32.dll", "ws2_32.dll",
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"wsock32.dll", "shlwapi.dll"
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]
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def get_dependencies(filename):
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deps = []
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try:
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data = subprocess.getoutput("objdump -p %s" % filename)
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except Exception as error:
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print(error)
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return deps
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for line in data.splitlines():
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line = line.strip()
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if line.startswith("DLL Name:"):
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deps.append(line.split(":", 1)[-1].strip().lower())
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return deps
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def find_lib(root, name):
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search_path = os.path.join(root, "bin")
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if os.path.exists(os.path.join(search_path, name)):
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return os.path.join(search_path, name)
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elif name in SYSTEM_LIBS:
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return name
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def get_things_to_delete(root):
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all_libs = set()
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needed = set()
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for base, dirs, files in os.walk(root):
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for f in files:
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path = os.path.join(base, f)
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if os.path.splitext(path)[-1].lower() in EXTENSIONS:
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all_libs.add(f.lower())
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for lib in get_dependencies(path):
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all_libs.add(lib)
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needed.add(lib)
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if not find_lib(root, lib):
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print("MISSING:", path, lib)
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for lib in get_required_by_typelibs():
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needed.add(lib)
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if not find_lib(root, lib):
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print("MISSING:", path, lib)
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# get rid of things not in the search path,
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# maybe loaded through other means?
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not_needed = filter(
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lambda l: find_lib(root, l) and \
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os.path.splitext(l)[-1].lower() != ".exe", all_libs - needed)
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return [find_lib(root, l) for l in not_needed]
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def main():
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libs = get_things_to_delete(sys.prefix)
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while libs:
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for l in libs:
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print("DELETE:", l)
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os.unlink(l)
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libs = get_things_to_delete(sys.prefix)
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if __name__ == "__main__":
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main()
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