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import argparse

import py_compile

import re

import sys

import shutil

import stat

import os

import tempfile

from itertools import chain

from pathlib import Path

from zipfile import ZipFile, ZIP_DEFLATED

TKTCL_RE = re.compile(r'^(_?tk|tcl).+\.(pyd|dll)', re.IGNORECASE)

DEBUG_RE = re.compile(r'_d\.(pyd|dll|exe|pdb|lib)$', re.IGNORECASE)

PYTHON_DLL_RE = re.compile(r'python\d\d?\.dll$', re.IGNORECASE)

DEBUG_FILES = {

'_ctypes_test',

'_testbuffer',

'_testcapi',

'_testconsole',

'_testimportmultiple',

'_testmultiphase',

'xxlimited',

'python3_dstub',

}

EXCLUDE_FROM_LIBRARY = {

'__pycache__',

'idlelib',

'pydoc_data',

'site-packages',

'tkinter',

'turtledemo',

}

EXCLUDE_FROM_EMBEDDABLE_LIBRARY = {

'ensurepip',

'venv',

}

EXCLUDE_FILE_FROM_LIBRARY = {

'bdist_wininst.py',

}

EXCLUDE_FILE_FROM_LIBS = {

'liblzma',

'python3stub',

}

EXCLUDED_FILES = {

'pyshellext',

}

def is_not_debug(p):

if DEBUG_RE.search(p.name):

return False

if TKTCL_RE.search(p.name):

return False

return p.stem.lower() not in DEBUG_FILES and p.stem.lower() not in EXCLUDED_FILES

def is_not_debug_or_python(p):

return is_not_debug(p) and not PYTHON_DLL_RE.search(p.name)

def include_in_lib(p):

name = p.name.lower()

if p.is_dir():

if name in EXCLUDE_FROM_LIBRARY:

return False

if name == 'test' and p.parts[-2].lower() == 'lib':

return False

if name in {'test', 'tests'} and p.parts[-3].lower() == 'lib':

return False

return True

if name in EXCLUDE_FILE_FROM_LIBRARY:

return False

suffix = p.suffix.lower()

return suffix not in {'.pyc', '.pyo', '.exe'}

def include_in_embeddable_lib(p):

if p.is_dir() and p.name.lower() in EXCLUDE_FROM_EMBEDDABLE_LIBRARY:

return False

return include_in_lib(p)

def include_in_libs(p):

if not is_not_debug(p):

return False

return p.stem.lower() not in EXCLUDE_FILE_FROM_LIBS

def include_in_tools(p):

if p.is_dir() and p.name.lower() in {'scripts', 'i18n', 'pynche', 'demo', 'parser'}:

return True

return p.suffix.lower() in {'.py', '.pyw', '.txt'}

BASE_NAME = 'python{0.major}{0.minor}'.format(sys.version_info)

FULL_LAYOUT = [

('/', '$build', 'python.exe', is_not_debug),

('/', '$build', 'pythonw.exe', is_not_debug),

('/', '$build', 'python{}.dll'.format(sys.version_info.major), is_not_debug),

('/', '$build', '{}.dll'.format(BASE_NAME), is_not_debug),

('DLLs/', '$build', '*.pyd', is_not_debug),

('DLLs/', '$build', '*.dll', is_not_debug_or_python),

('include/', 'include', '*.h', None),

('include/', 'PC', 'pyconfig.h', None),

('Lib/', 'Lib', '**/*', include_in_lib),

('libs/', '$build', '*.lib', include_in_libs),

('Tools/', 'Tools', '**/*', include_in_tools),

]

EMBED_LAYOUT = [

('/', '$build', 'python*.exe', is_not_debug),

('/', '$build', '*.pyd', is_not_debug),

('/', '$build', '*.dll', is_not_debug),

('{}.zip'.format(BASE_NAME), 'Lib', '**/*', include_in_embeddable_lib),

]

if os.getenv('DOC_FILENAME'):

FULL_LAYOUT.append(('Doc/', 'Doc/build/htmlhelp', os.getenv('DOC_FILENAME'), None))

if os.getenv('VCREDIST_PATH'):

FULL_LAYOUT.append(('/', os.getenv('VCREDIST_PATH'), 'vcruntime*.dll', None))

EMBED_LAYOUT.append(('/', os.getenv('VCREDIST_PATH'), 'vcruntime*.dll', None))

def copy_to_layout(target, rel_sources):

count = 0

if target.suffix.lower() == '.zip':

if target.exists():

target.unlink()

with ZipFile(str(target), 'w', ZIP_DEFLATED) as f:

with tempfile.TemporaryDirectory() as tmpdir:

for s, rel in rel_sources:

if rel.suffix.lower() == '.py':

pyc = Path(tmpdir) / rel.with_suffix('.pyc').name

try:

py_compile.compile(str(s), str(pyc), str(rel), doraise=True, optimize=2)

except py_compile.PyCompileError:

f.write(str(s), str(rel))

else:

f.write(str(pyc), str(rel.with_suffix('.pyc')))

else:

f.write(str(s), str(rel))

count += 1

else:

for s, rel in rel_sources:

dest = target / rel

try:

dest.parent.mkdir(parents=True)

except FileExistsError:

pass

if dest.is_file():

dest.chmod(stat.S_IWRITE)

shutil.copy(str(s), str(dest))

if dest.is_file():

dest.chmod(stat.S_IWRITE)

count += 1

return count

def rglob(root, pattern, condition):

dirs = [root]

recurse = pattern[:3] in {'**/', '**\\'}

while dirs:

d = dirs.pop(0)

for f in d.glob(pattern[3:] if recurse else pattern):

if recurse and f.is_dir() and (not condition or condition(f)):

dirs.append(f)

elif f.is_file() and (not condition or condition(f)):

yield f, f.relative_to(root)

def main():

parser = argparse.ArgumentParser()

parser.add_argument('-s', '--source', metavar='dir', help='The directory containing the repository root', type=Path)

parser.add_argument('-o', '--out', metavar='file', help='The name of the output archive', type=Path, default=None)

parser.add_argument('-t', '--temp', metavar='dir', help='A directory to temporarily extract files into', type=Path, default=None)

parser.add_argument('-e', '--embed', help='Create an embedding layout', action='store_true', default=False)

parser.add_argument('-b', '--build', help='Specify the build directory', type=Path, default=None)

ns = parser.parse_args()

source = ns.source or (Path(__file__).resolve().parent.parent.parent)

out = ns.out

build = ns.build or Path(sys.exec_prefix)

assert isinstance(source, Path)

assert not out or isinstance(out, Path)

assert isinstance(build, Path)

if ns.temp:

temp = ns.temp

delete_temp = False

else:

temp = Path(tempfile.mkdtemp())

delete_temp = True

if out:

try:

out.parent.mkdir(parents=True)

except FileExistsError:

pass

try:

temp.mkdir(parents=True)

except FileExistsError:

pass

layout = EMBED_LAYOUT if ns.embed else FULL_LAYOUT

try:

for t, s, p, c in layout:

if s == '$build':

fs = build

else:

fs = source / s

files = rglob(fs, p, c)

extra_files = []

if s == 'Lib' and p == '**/*':

extra_files.append((

source / 'tools' / 'msi' / 'distutils.command.bdist_wininst.py',

Path('distutils') / 'command' / 'bdist_wininst.py'

))

copied = copy_to_layout(temp / t.rstrip('/'), chain(files, extra_files))

print('Copied {} files'.format(copied))

if ns.embed:

with open(str(temp / (BASE_NAME + '._pth')), 'w') as f:

print(BASE_NAME + '.zip', file=f)

print('.', file=f)

print('', file=f)

print('# Uncomment to run site.main() automatically', file=f)

print('#import site', file=f)

if out:

total = copy_to_layout(out, rglob(temp, '**/*', None))

print('Wrote {} files to {}'.format(total, out))

finally:

if delete_temp:

shutil.rmtree(temp, True)

if __name__ == "__main__":

sys.exit(int(main() or 0))

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