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