176 lines
6.4 KiB
Python
176 lines
6.4 KiB
Python
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""" 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(
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dest_dir,
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source_dir,
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files,
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extensions,
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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(
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dest_dir, PCbuild_dir, ['w9xpopen'], [
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'exe', 'pdb'], False)
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copy_named_files(
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dest_dir, PCbuild_dir, [
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'python_d', 'pythonw_d'], ['exe'], False)
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copy_named_files(
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dest_dir, PCbuild_dir, [
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'python', 'pythonw'], [
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'exe', 'pdb'], False)
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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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# 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(
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description='Install a custom Python distribution')
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parser.add_argument(
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'--source',
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required=True,
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help='The root of the source tree where Python is built.')
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parser.add_argument(
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'--dest',
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required=True,
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help='The location to install the Python distributions.')
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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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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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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('The destination directory \'%s\' already exists and --overwrite was not specified. Exiting...' % args.dest)
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sys.exit(1)
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while not args.silent:
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print('Ok to recursively delete \'%s\' and all contents (Y/N)? Choosing Y will permanently delete the contents.' % args.dest)
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result = str.upper(sys.stdin.read(1))
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if result == 'N':
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print('Unable to copy files to the destination. The destination already exists.')
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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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