mirror of
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174 lines
6.4 KiB
Python
174 lines
6.4 KiB
Python
""" Copies the build output of a custom python interpreter to a directory
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structure that mirrors that of an official Python distribution.
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--------------------------------------------------------------------------
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File: install_custom_python.py
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Overview: Most users build LLDB by linking against the standard
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Python distribution installed on their system. Occasionally
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a user may want to build their own version of Python, and on
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platforms such as Windows this is a hard requirement. This
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script will take the build output of a custom interpreter and
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install it into a canonical structure that mirrors that of an
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official Python distribution, thus allowing PYTHONHOME to be
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set appropriately.
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Gotchas: None.
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Copyright: None.
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--------------------------------------------------------------------------
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"""
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import argparse
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import itertools
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import os
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import shutil
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import sys
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def copy_one_file(dest_dir, source_dir, filename):
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source_path = os.path.join(source_dir, filename)
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dest_path = os.path.join(dest_dir, filename)
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print("Copying file %s ==> %s..." % (source_path, dest_path))
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shutil.copyfile(source_path, dest_path)
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def copy_named_files(dest_dir, source_dir, files, extensions, copy_debug_suffix_also):
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for file, ext in itertools.product(files, extensions):
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copy_one_file(dest_dir, source_dir, file + "." + ext)
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if copy_debug_suffix_also:
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copy_one_file(dest_dir, source_dir, file + "_d." + ext)
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def copy_subdirectory(dest_dir, source_dir, subdir):
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dest_dir = os.path.join(dest_dir, subdir)
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source_dir = os.path.join(source_dir, subdir)
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print("Copying directory %s ==> %s..." % (source_dir, dest_dir))
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shutil.copytree(source_dir, dest_dir)
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def copy_distro(dest_dir, dest_subdir, source_dir, source_prefix):
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dest_dir = os.path.join(dest_dir, dest_subdir)
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print("Copying distribution %s ==> %s" % (source_dir, dest_dir))
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os.mkdir(dest_dir)
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PCbuild_dir = os.path.join(source_dir, "PCbuild")
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if source_prefix:
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PCbuild_dir = os.path.join(PCbuild_dir, source_prefix)
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# First copy the files that go into the root of the new distribution. This
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# includes the Python executables, python27(_d).dll, and relevant PDB
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# files.
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print("Copying Python executables...")
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copy_named_files(dest_dir, PCbuild_dir, ["w9xpopen"], ["exe", "pdb"], False)
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copy_named_files(dest_dir, PCbuild_dir, ["python_d", "pythonw_d"], ["exe"], False)
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copy_named_files(
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dest_dir, PCbuild_dir, ["python", "pythonw"], ["exe", "pdb"], False
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)
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copy_named_files(dest_dir, PCbuild_dir, ["python27"], ["dll", "pdb"], True)
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# Next copy everything in the Include directory.
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print("Copying Python include directory")
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copy_subdirectory(dest_dir, source_dir, "Include")
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# Copy Lib folder (builtin Python modules)
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print("Copying Python Lib directory")
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copy_subdirectory(dest_dir, source_dir, "Lib")
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# Copy tools folder. These are probably not necessary, but we copy them anyway to
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# match an official distribution as closely as possible. Note that we don't just copy
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# the subdirectory recursively. The source distribution ships with many more tools
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# than what you get by installing python regularly. We only copy the tools that appear
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# in an installed distribution.
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tools_dest_dir = os.path.join(dest_dir, "Tools")
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tools_source_dir = os.path.join(source_dir, "Tools")
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os.mkdir(tools_dest_dir)
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copy_subdirectory(tools_dest_dir, tools_source_dir, "i18n")
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copy_subdirectory(tools_dest_dir, tools_source_dir, "pynche")
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copy_subdirectory(tools_dest_dir, tools_source_dir, "scripts")
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copy_subdirectory(tools_dest_dir, tools_source_dir, "versioncheck")
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copy_subdirectory(tools_dest_dir, tools_source_dir, "webchecker")
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pyd_names = [
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"_ctypes",
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"_ctypes_test",
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"_elementtree",
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"_multiprocessing",
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"_socket",
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"_testcapi",
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"pyexpat",
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"select",
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"unicodedata",
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"winsound",
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]
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# Copy builtin extension modules (pyd files)
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dlls_dir = os.path.join(dest_dir, "DLLs")
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os.mkdir(dlls_dir)
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print("Copying DLLs directory")
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copy_named_files(dlls_dir, PCbuild_dir, pyd_names, ["pyd", "pdb"], True)
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# Copy libs folder (implibs for the pyd files)
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libs_dir = os.path.join(dest_dir, "libs")
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os.mkdir(libs_dir)
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print("Copying libs directory")
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copy_named_files(libs_dir, PCbuild_dir, pyd_names, ["lib"], False)
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copy_named_files(libs_dir, PCbuild_dir, ["python27"], ["lib"], True)
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parser = argparse.ArgumentParser(description="Install a custom Python distribution")
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parser.add_argument(
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"--source", required=True, help="The root of the source tree where Python is built."
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)
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parser.add_argument(
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"--dest", required=True, help="The location to install the Python distributions."
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)
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parser.add_argument(
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"--overwrite",
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default=False,
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action="store_true",
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help="If the destination directory already exists, destroys its contents first.",
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)
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parser.add_argument(
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"--silent",
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default=False,
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action="store_true",
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help="If --overwite was specified, suppress confirmation before deleting a directory tree.",
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)
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args = parser.parse_args()
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args.source = os.path.normpath(args.source)
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args.dest = os.path.normpath(args.dest)
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if not os.path.exists(args.source):
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print("The source directory %s does not exist. Exiting...")
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sys.exit(1)
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if os.path.exists(args.dest):
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if not args.overwrite:
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print(
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"The destination directory '%s' already exists and --overwrite was not specified. Exiting..."
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% args.dest
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)
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sys.exit(1)
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while not args.silent:
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print(
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"Ok to recursively delete '%s' and all contents (Y/N)? Choosing Y will permanently delete the contents."
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% args.dest
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)
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result = str.upper(sys.stdin.read(1))
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if result == "N":
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print(
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"Unable to copy files to the destination. The destination already exists."
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)
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sys.exit(1)
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elif result == "Y":
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break
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shutil.rmtree(args.dest)
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os.mkdir(args.dest)
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copy_distro(args.dest, "x86", args.source, None)
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copy_distro(args.dest, "x64", args.source, "amd64")
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