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build.py
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#!/usr/bin/env python3
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
import argparse
import concurrent.futures
import io
import json
import multiprocessing
import os
import pathlib
import re
import shutil
import subprocess
import sys
import tempfile
import zipfile
from pythonbuild.cpython import (
STDLIB_TEST_PACKAGES,
meets_python_maximum_version,
meets_python_minimum_version,
parse_config_c,
)
from pythonbuild.downloads import DOWNLOADS
from pythonbuild.utils import (
compress_python_archive,
create_tar_from_directory,
download_entry,
extract_tar_to_directory,
extract_zip_to_directory,
normalize_tar_archive,
release_tag_from_git,
validate_python_json,
)
ROOT = pathlib.Path(os.path.abspath(__file__)).parent.parent
BUILD = ROOT / "build"
DIST = ROOT / "dist"
SUPPORT = ROOT / "cpython-windows"
LOG_PREFIX = [None]
LOG_FH = [None]
# Extensions that need to be converted from standalone to built-in.
# Key is name of VS project representing the standalone extension.
# Value is dict describing the extension.
CONVERT_TO_BUILTIN_EXTENSIONS = {
"_asyncio": {
# _asynciomodule.c is included in pythoncore for some reason.
# This was fixed in Python 3.9. See hacky code for
# `honor_allow_missing_preprocessor`.
"allow_missing_preprocessor": True
},
"_bz2": {},
"_ctypes": {
"shared_depends": ["libffi-8"],
},
"_decimal": {},
"_elementtree": {},
"_hashlib": {
"shared_depends_amd64": ["libcrypto-1_1-x64"],
"shared_depends_win32": ["libcrypto-1_1"],
},
"_lzma": {
"ignore_additional_depends": {"$(OutDir)liblzma$(PyDebugExt).lib"},
},
"_msi": {
# Removed in 3.13.
"ignore_missing": True,
},
"_overlapped": {},
"_multiprocessing": {},
"_socket": {},
"_sqlite3": {"shared_depends": ["sqlite3"]},
# See the one-off calls to copy_link_to_lib() and elsewhere to hack up
# project files.
"_ssl": {
"shared_depends_amd64": ["libcrypto-1_1-x64", "libssl-1_1-x64"],
"shared_depends_win32": ["libcrypto-1_1", "libssl-1_1"],
},
"_tkinter": {
"shared_depends": ["tcl86t", "tk86t"],
},
"_queue": {},
"_uuid": {"ignore_missing": True},
"_wmi": {
# Introduced in 3.12.
"ignore_missing": True,
},
"_zoneinfo": {"ignore_missing": True},
"pyexpat": {},
"select": {},
"unicodedata": {},
"winsound": {},
}
REQUIRED_EXTENSIONS = {
"_codecs",
"_io",
"_signal",
"_thread",
"_tracemalloc",
"_weakref",
"faulthandler",
}
# Used to annotate licenses.
EXTENSION_TO_LIBRARY_DOWNLOADS_ENTRY = {
"_bz2": ["bzip2"],
"_ctypes": ["libffi"],
"_hashlib": ["openssl"],
"_lzma": ["xz"],
"_sqlite3": ["sqlite"],
"_ssl": ["openssl"],
"_tkinter": ["tcl-8612", "tk-8612", "tix"],
"_uuid": ["uuid"],
"zlib": ["zlib"],
}
# Tests to run during PGO profiling.
#
# This set was copied from test.libregrtest.pgo in the CPython source
# distribution.
PGO_TESTS = {
"test_array",
"test_base64",
"test_binascii",
"test_binop",
"test_bisect",
"test_bytes",
"test_bz2",
"test_cmath",
"test_codecs",
"test_collections",
"test_complex",
"test_dataclasses",
"test_datetime",
"test_decimal",
"test_difflib",
"test_embed",
"test_float",
"test_fstring",
"test_functools",
"test_generators",
"test_hashlib",
"test_heapq",
"test_int",
"test_itertools",
"test_json",
"test_long",
"test_lzma",
"test_math",
"test_memoryview",
"test_operator",
"test_ordered_dict",
"test_pickle",
"test_pprint",
"test_re",
"test_set",
# Renamed to test_sqlite3 in 3.11. We keep both names as we just look for
# test presence in this set.
"test_sqlite",
"test_sqlite3",
"test_statistics",
"test_struct",
"test_tabnanny",
"test_time",
"test_unicode",
"test_xml_etree",
"test_xml_etree_c",
}
def log(msg):
if isinstance(msg, bytes):
msg_str = msg.decode("utf-8", "replace")
msg_bytes = msg
else:
msg_str = msg
msg_bytes = msg.encode("utf-8", "replace")
print("%s> %s" % (LOG_PREFIX[0], msg_str))
if LOG_FH[0]:
LOG_FH[0].write(msg_bytes + b"\n")
LOG_FH[0].flush()
def exec_and_log(args, cwd, env, exit_on_error=True):
log("executing %s" % " ".join(args))
p = subprocess.Popen(
args,
cwd=cwd,
env=env,
bufsize=1,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
)
for line in iter(p.stdout.readline, b""):
log(line.rstrip())
p.wait()
log("process exited %d" % p.returncode)
if p.returncode and exit_on_error:
sys.exit(p.returncode)
def find_vswhere():
vswhere = (
pathlib.Path(os.environ["ProgramFiles(x86)"])
/ "Microsoft Visual Studio"
/ "Installer"
/ "vswhere.exe"
)
if not vswhere.exists():
print("%s does not exist" % vswhere)
sys.exit(1)
return vswhere
def find_vs_path(path, msvc_version):
vswhere = find_vswhere()
if msvc_version == "2019":
version = "[16,17)"
elif msvc_version == "2022":
version = "[17,18)"
else:
raise ValueError(f"unsupported Visual Studio version: {msvc_version}")
p = subprocess.check_output(
[
str(vswhere),
"-utf8",
# Visual Studio 2019.
"-version",
version,
"-property",
"installationPath",
"-products",
"*",
]
)
p = pathlib.Path(p.strip().decode("utf-8"))
p = p / path
if not p.exists():
print("%s does not exist" % p)
sys.exit(1)
return p
def find_msbuild(msvc_version):
return find_vs_path(
pathlib.Path("MSBuild") / "Current" / "Bin" / "MSBuild.exe", msvc_version
)
def find_vcvarsall_path(msvc_version):
"""Find path to vcvarsall.bat"""
return find_vs_path(
pathlib.Path("VC") / "Auxiliary" / "Build" / "vcvarsall.bat", msvc_version
)
class NoSearchStringError(Exception):
"""Represents a missing search string when replacing content in a file."""
def static_replace_in_file(p: pathlib.Path, search, replace):
"""Replace occurrences of a string in a file.
The updated file contents are written out in place.
"""
with p.open("rb") as fh:
data = fh.read()
# Build should be as deterministic as possible. Assert that wanted changes
# actually occur.
if search not in data:
raise NoSearchStringError("search string (%s) not in %s" % (search, p))
log("replacing `%s` with `%s` in %s" % (search, replace, p))
data = data.replace(search, replace)
with p.open("wb") as fh:
fh.write(data)
OPENSSL_PROPS_REMOVE_RULES_LEGACY = b"""
<ItemGroup>
<_SSLDLL Include="$(opensslOutDir)\libcrypto$(_DLLSuffix).dll" />
<_SSLDLL Include="$(opensslOutDir)\libcrypto$(_DLLSuffix).pdb" />
<_SSLDLL Include="$(opensslOutDir)\libssl$(_DLLSuffix).dll" />
<_SSLDLL Include="$(opensslOutDir)\libssl$(_DLLSuffix).pdb" />
</ItemGroup>
<Target Name="_CopySSLDLL" Inputs="@(_SSLDLL)" Outputs="@(_SSLDLL->'$(OutDir)%(Filename)%(Extension)')" AfterTargets="Build">
<Copy SourceFiles="@(_SSLDLL)" DestinationFolder="$(OutDir)" />
</Target>
<Target Name="_CleanSSLDLL" BeforeTargets="Clean">
<Delete Files="@(_SSLDLL->'$(OutDir)%(Filename)%(Extension)')" TreatErrorsAsWarnings="true" />
</Target>
"""
OPENSSL_PROPS_REMOVE_RULES = b"""
<ItemGroup>
<_SSLDLL Include="$(opensslOutDir)\libcrypto$(_DLLSuffix).dll" />
<_SSLDLL Include="$(opensslOutDir)\libcrypto$(_DLLSuffix).pdb" />
<_SSLDLL Include="$(opensslOutDir)\libssl$(_DLLSuffix).dll" />
<_SSLDLL Include="$(opensslOutDir)\libssl$(_DLLSuffix).pdb" />
</ItemGroup>
<Target Name="_CopySSLDLL"
Inputs="@(_SSLDLL)"
Outputs="@(_SSLDLL->'$(OutDir)%(Filename)%(Extension)')"
Condition="$(SkipCopySSLDLL) == ''"
AfterTargets="Build">
<Copy SourceFiles="@(_SSLDLL)" DestinationFolder="$(OutDir)" />
</Target>
<Target Name="_CleanSSLDLL" Condition="$(SkipCopySSLDLL) == ''" BeforeTargets="Clean">
<Delete Files="@(_SSLDLL->'$(OutDir)%(Filename)%(Extension)')" TreatErrorsAsWarnings="true" />
</Target>
"""
LIBFFI_PROPS_REMOVE_RULES = b"""
<Target Name="_CopyLIBFFIDLL" Inputs="@(_LIBFFIDLL)" Outputs="@(_LIBFFIDLL->'$(OutDir)%(Filename)%(Extension)')" AfterTargets="Build">
<Copy SourceFiles="@(_LIBFFIDLL)" DestinationFolder="$(OutDir)" />
</Target>
"""
def hack_props(
td: pathlib.Path,
pcbuild_path: pathlib.Path,
arch: str,
python_version: str,
):
# TODO can we pass props into msbuild.exe?
# Our dependencies are in different directories from what CPython's
# build system expects. Modify the config file appropriately.
bzip2_version = DOWNLOADS["bzip2"]["version"]
sqlite_version = DOWNLOADS["sqlite"]["version"]
xz_version = DOWNLOADS["xz"]["version"]
zlib_version = DOWNLOADS["zlib"]["version"]
mpdecimal_version = DOWNLOADS["mpdecimal"]["version"]
if meets_python_minimum_version(python_version, "3.14"):
tcltk_commit = DOWNLOADS["tk-windows-bin"]["git_commit"]
else:
tcltk_commit = DOWNLOADS["tk-windows-bin-8612"]["git_commit"]
sqlite_path = td / ("sqlite-autoconf-%s" % sqlite_version)
bzip2_path = td / ("bzip2-%s" % bzip2_version)
libffi_path = td / "libffi"
tcltk_path = td / ("cpython-bin-deps-%s" % tcltk_commit)
xz_path = td / ("xz-%s" % xz_version)
zlib_path = td / ("zlib-%s" % zlib_version)
mpdecimal_path = td / ("mpdecimal-%s" % mpdecimal_version)
openssl_root = td / "openssl" / arch
openssl_libs_path = openssl_root / "lib"
openssl_include_path = openssl_root / "include"
python_props_path = pcbuild_path / "python.props"
lines = []
with python_props_path.open("rb") as fh:
for line in fh:
line = line.rstrip()
# The syntax of these lines changed in 3.10+. 3.10 backport commit
# 3139ea33ed84190e079d6ff4859baccdad778dae. Once we drop support for
# Python 3.9 we can pass these via properties instead of editing the
# properties file.
if b"<bz2Dir" in line:
line = b"<bz2Dir>%s\\</bz2Dir>" % bzip2_path
elif b"<libffiOutDir" in line:
line = b"<libffiOutDir>%s\\</libffiOutDir>" % libffi_path
elif b"<lzmaDir" in line:
line = b"<lzmaDir>%s\\</lzmaDir>" % xz_path
elif b"<opensslIncludeDir" in line:
line = (
b"<opensslIncludeDir>%s</opensslIncludeDir>" % openssl_include_path
)
elif b"<opensslOutDir" in line:
line = b"<opensslOutDir>%s\\</opensslOutDir>" % openssl_libs_path
elif b"<sqlite3Dir" in line:
line = b"<sqlite3Dir>%s\\</sqlite3Dir>" % sqlite_path
elif b"<zlibDir" in line:
line = b"<zlibDir>%s\\</zlibDir>" % zlib_path
elif b"<mpdecimalDir" in line:
line = b"<mpdecimalDir>%s\\</mpdecimalDir>" % mpdecimal_path
lines.append(line)
with python_props_path.open("wb") as fh:
fh.write(b"\n".join(lines))
tcltkprops_path = pcbuild_path / "tcltk.props"
# Later versions of 3.10 and 3.11 enabled support for defining paths via properties.
# See CPython commit 3139ea33ed84190e079d6ff4859baccdad778dae.
# Once we drop support for CPython 3.9 we can replace this with passing properties.
try:
static_replace_in_file(
tcltkprops_path,
rb"""<tcltkDir Condition="$(tcltkDir) == ''">$(ExternalsDir)tcltk-$(TclVersion)\$(ArchName)\</tcltkDir>""",
rb"<tcltkDir>%s\$(ArchName)\</tcltkDir>" % tcltk_path,
)
except NoSearchStringError:
static_replace_in_file(
tcltkprops_path,
rb"<tcltkDir>$(ExternalsDir)tcltk-$(TclMajorVersion).$(TclMinorVersion).$(TclPatchLevel).$(TclRevision)\$(ArchName)\</tcltkDir>",
rb"<tcltkDir>%s\$(ArchName)\</tcltkDir>" % tcltk_path,
)
# We want to statically link against OpenSSL. This requires using our own
# OpenSSL build. This requires some hacking of various files.
openssl_props = pcbuild_path / "openssl.props"
if arch == "amd64":
suffix = b"-x64"
elif arch == "win32":
suffix = b""
else:
raise Exception("unhandled architecture: %s" % arch)
try:
# CPython 3.11+ builds with OpenSSL 3.0 by default.
static_replace_in_file(
openssl_props,
b"<_DLLSuffix>-3</_DLLSuffix>",
b"<_DLLSuffix>-3%s</_DLLSuffix>" % suffix,
)
except NoSearchStringError:
static_replace_in_file(
openssl_props,
b"<_DLLSuffix>-1_1</_DLLSuffix>",
b"<_DLLSuffix>-1_1%s</_DLLSuffix>" % suffix,
)
libffi_props = pcbuild_path / "libffi.props"
# Always use libffi-8 / 3.4.2. (Python < 3.11 use libffi-7 by default.)
try:
static_replace_in_file(
libffi_props,
rb"""<_LIBFFIDLL Include="$(libffiOutDir)\libffi-7.dll" />""",
rb"""<_LIBFFIDLL Include="$(libffiOutDir)\libffi-8.dll" />""",
)
static_replace_in_file(
libffi_props,
rb"<AdditionalDependencies>libffi-7.lib;%(AdditionalDependencies)</AdditionalDependencies>",
rb"<AdditionalDependencies>libffi-8.lib;%(AdditionalDependencies)</AdditionalDependencies>",
)
except NoSearchStringError:
pass
def hack_project_files(
td: pathlib.Path,
cpython_source_path: pathlib.Path,
build_directory: str,
python_version: str,
):
"""Hacks Visual Studio project files to work with our build."""
pcbuild_path = cpython_source_path / "PCbuild"
hack_props(
td,
pcbuild_path,
build_directory,
python_version,
)
# Our SQLite directory is named weirdly. This throws off version detection
# in the project file. Replace the parsing logic with a static string.
sqlite3_version = DOWNLOADS["sqlite"]["actual_version"].encode("ascii")
sqlite3_version_parts = sqlite3_version.split(b".")
sqlite3_path = pcbuild_path / "sqlite3.vcxproj"
static_replace_in_file(
sqlite3_path,
rb"<_SqliteVersion>$([System.Text.RegularExpressions.Regex]::Match(`$(sqlite3Dir)`, `((\d+)\.(\d+)\.(\d+)\.(\d+))\\?$`).Groups)</_SqliteVersion>",
rb"<_SqliteVersion>%s</_SqliteVersion>" % sqlite3_version,
)
static_replace_in_file(
sqlite3_path,
rb"<SqliteVersion>$(_SqliteVersion.Split(`;`)[1])</SqliteVersion>",
rb"<SqliteVersion>%s</SqliteVersion>" % sqlite3_version,
)
static_replace_in_file(
sqlite3_path,
rb"<SqliteMajorVersion>$(_SqliteVersion.Split(`;`)[2])</SqliteMajorVersion>",
rb"<SqliteMajorVersion>%s</SqliteMajorVersion>" % sqlite3_version_parts[0],
)
static_replace_in_file(
sqlite3_path,
rb"<SqliteMinorVersion>$(_SqliteVersion.Split(`;`)[3])</SqliteMinorVersion>",
rb"<SqliteMinorVersion>%s</SqliteMinorVersion>" % sqlite3_version_parts[1],
)
static_replace_in_file(
sqlite3_path,
rb"<SqliteMicroVersion>$(_SqliteVersion.Split(`;`)[4])</SqliteMicroVersion>",
rb"<SqliteMicroVersion>%s</SqliteMicroVersion>" % sqlite3_version_parts[2],
)
static_replace_in_file(
sqlite3_path,
rb"<SqlitePatchVersion>$(_SqliteVersion.Split(`;`)[5])</SqlitePatchVersion>",
rb"<SqlitePatchVersion>%s</SqlitePatchVersion>" % sqlite3_version_parts[3],
)
# Our version of the xz sources is newer than what's in cpython-source-deps
# and the xz sources changed the path to config.h. Hack the project file
# accordingly.
#
# ... but CPython finally upgraded liblzma in 2022, so newer CPython releases
# already have this patch. So we're phasing it out.
try:
liblzma_path = pcbuild_path / "liblzma.vcxproj"
static_replace_in_file(
liblzma_path,
rb"$(lzmaDir)windows;$(lzmaDir)src/liblzma/common;",
rb"$(lzmaDir)windows\vs2019;$(lzmaDir)src/liblzma/common;",
)
static_replace_in_file(
liblzma_path,
rb'<ClInclude Include="$(lzmaDir)windows\config.h" />',
rb'<ClInclude Include="$(lzmaDir)windows\vs2019\config.h" />',
)
except NoSearchStringError:
pass
# Our logic for rewriting extension projects gets confused by _sqlite.vcxproj not
# having a `<PreprocessorDefinitions>` line in 3.10+. So adjust that.
try:
static_replace_in_file(
pcbuild_path / "_sqlite3.vcxproj",
rb"<AdditionalIncludeDirectories>$(sqlite3Dir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>",
b"<AdditionalIncludeDirectories>$(sqlite3Dir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>\r\n <PreprocessorDefinitions>%(PreprocessorDefinitions)</PreprocessorDefinitions>",
)
except NoSearchStringError:
pass
# Our custom OpenSSL build has applink.c in a different location
# from the binary OpenSSL distribution. Update it.
ssl_proj = pcbuild_path / "_ssl.vcxproj"
static_replace_in_file(
ssl_proj,
rb'<ClCompile Include="$(opensslIncludeDir)\applink.c">',
rb'<ClCompile Include="$(opensslIncludeDir)\openssl\applink.c">',
)
# Python 3.12+ uses the the pre-built tk-windows-bin 8.6.12 which doesn't
# have a standalone zlib DLL, so we remove references to it. For Python
# 3.14+, we're using tk-windows-bin 8.6.14 which includes a prebuilt zlib
# DLL, so we skip this patch there.
if meets_python_minimum_version(
python_version, "3.12"
) and meets_python_maximum_version(python_version, "3.13"):
static_replace_in_file(
pcbuild_path / "_tkinter.vcxproj",
rb'<_TclTkDLL Include="$(tcltkdir)\bin\$(tclZlibDllName)" />',
rb"",
)
# We don't need to produce python_uwp.exe and its *w variant. Or the
# python3.dll, pyshellext, or pylauncher.
# Cut them from the build to save time and so their presence doesn't
# interfere with packaging up the build artifacts.
pcbuild_proj = pcbuild_path / "pcbuild.proj"
static_replace_in_file(
pcbuild_proj,
b'<Projects2 Include="python_uwp.vcxproj;pythonw_uwp.vcxproj" Condition="$(IncludeUwp)" />',
b"",
)
static_replace_in_file(
pcbuild_proj,
b'<Projects Include="pylauncher.vcxproj;pywlauncher.vcxproj" />',
b"",
)
static_replace_in_file(
pcbuild_proj, b'<Projects Include="pyshellext.vcxproj" />', b""
)
# Ditto for freeze_importlib, which isn't needed since we don't modify
# the frozen importlib baked into the source distribution (
# Python/importlib.h and Python/importlib_external.h).
#
# But Python 3.11 refactored the frozen module project handling and if
# we attempt to disable this project there we get a build failure due to
# a missing /Python/frozen_modules/getpath.h file. So we skip this on
# newer Python.
try:
static_replace_in_file(
pcbuild_proj,
b"""<Projects2 Condition="$(Platform) != 'ARM' and $(Platform) != 'ARM64'" Include="_freeze_importlib.vcxproj" />""",
b"",
)
except NoSearchStringError:
pass
def run_msbuild(
msbuild: pathlib.Path,
pcbuild_path: pathlib.Path,
configuration: str,
platform: str,
python_version: str,
windows_sdk_version: str,
freethreaded: bool,
):
args = [
str(msbuild),
str(pcbuild_path / "pcbuild.proj"),
"/target:Build",
"/property:Configuration=%s" % configuration,
"/property:Platform=%s" % platform,
"/maxcpucount",
"/nologo",
"/verbosity:normal",
"/property:IncludeExternals=true",
"/property:IncludeSSL=true",
"/property:IncludeTkinter=true",
"/property:IncludeTests=true",
"/property:OverrideVersion=%s" % python_version,
"/property:IncludeCTypes=true",
# We pin the Windows 10 SDK version to make builds more deterministic.
# This can also work around known incompatibilities with the Windows 11
# SDK as of at least CPython 3.9.7.
f"/property:DefaultWindowsSDKVersion={windows_sdk_version}",
# Use ClangCL for better build and runtime performance
# https://github.com/python/cpython/issues/130090
"/p:PlatformToolset=ClangCL",
"/p:PreferredToolArchitecture=%s" % platform,
]
if freethreaded:
args.append("/property:DisableGil=true")
exec_and_log(args, str(pcbuild_path), os.environ)
def build_openssl_for_arch(
perl_path,
arch: str,
openssl_archive,
openssl_version: str,
nasm_archive,
build_root: pathlib.Path,
*,
jom_archive,
):
nasm_version = DOWNLOADS["nasm-windows-bin"]["version"]
log("extracting %s to %s" % (openssl_archive, build_root))
extract_tar_to_directory(openssl_archive, build_root)
log("extracting %s to %s" % (nasm_archive, build_root))
extract_tar_to_directory(nasm_archive, build_root)
log("extracting %s to %s" % (jom_archive, build_root))
extract_zip_to_directory(jom_archive, build_root / "jom")
nasm_path = build_root / ("cpython-bin-deps-nasm-%s" % nasm_version)
jom_path = build_root / "jom"
env = dict(os.environ)
# Add Perl and nasm paths to front of PATH.
env["PATH"] = "%s;%s;%s;%s" % (perl_path.parent, nasm_path, jom_path, env["PATH"])
source_root = build_root / ("openssl-%s" % openssl_version)
# uplink.c tries to find the OPENSSL_Applink function exported from the current
# executable. However, it is exported from _ssl[_d].pyd in shared builds. So
# update its sounce to look for it from there.
static_replace_in_file(
source_root / "ms" / "uplink.c",
b"((h = GetModuleHandle(NULL)) == NULL)",
b'((h = GetModuleHandleA("_ssl.pyd")) == NULL) if ((h = GetModuleHandleA("_ssl_d.pyd")) == NULL) if ((h = GetModuleHandle(NULL)) == NULL)',
)
if arch == "x86":
configure = "VC-WIN32"
prefix = "32"
elif arch == "amd64":
configure = "VC-WIN64A"
prefix = "64"
else:
print("invalid architecture: %s" % arch)
sys.exit(1)
# The official CPython OpenSSL builds hack ms/uplink.c to change the
# ``GetModuleHandle(NULL)`` invocation to load things from _ssl.pyd
# instead. But since we statically link the _ssl extension, this hackery
# is not required.
# Set DESTDIR to affect install location.
dest_dir = build_root / "install"
env["DESTDIR"] = str(dest_dir)
install_root = dest_dir / prefix
exec_and_log(
[
str(perl_path),
"Configure",
configure,
"no-idea",
"no-mdc2",
"no-tests",
"--prefix=/%s" % prefix,
],
source_root,
{
**env,
"CFLAGS": env.get("CFLAGS", "") + " /FS",
},
)
# exec_and_log(["nmake"], source_root, env)
exec_and_log(
[str(jom_path / "jom"), "/J", str(multiprocessing.cpu_count())],
source_root,
env,
)
# We don't care about accessory files, docs, etc. So just run `install_sw`
# target to get the main files.
exec_and_log(["nmake", "install_sw"], source_root, env)
# Copy the _static libraries as well.
for l in ("crypto", "ssl"):
basename = "lib%s_static.lib" % l
source = source_root / basename
dest = install_root / "lib" / basename
log("copying %s to %s" % (source, dest))
shutil.copyfile(source, dest)
def build_openssl(
entry: str,
perl_path: pathlib.Path,
arch: str,
dest_archive: pathlib.Path,
):
"""Build OpenSSL from sources using the Perl executable specified."""
openssl_version = DOWNLOADS[entry]["version"]
# First ensure the dependencies are in place.
openssl_archive = download_entry(entry, BUILD)
nasm_archive = download_entry("nasm-windows-bin", BUILD)
jom_archive = download_entry("jom-windows-bin", BUILD)
with tempfile.TemporaryDirectory(prefix="openssl-build-") as td:
td = pathlib.Path(td)
root_32 = td / "x86"
root_64 = td / "x64"
if arch == "x86":
root_32.mkdir()
build_openssl_for_arch(
perl_path,
"x86",
openssl_archive,
openssl_version,
nasm_archive,
root_32,
jom_archive=jom_archive,
)
elif arch == "amd64":
root_64.mkdir()
build_openssl_for_arch(
perl_path,
"amd64",
openssl_archive,
openssl_version,
nasm_archive,
root_64,
jom_archive=jom_archive,
)
else:
raise ValueError("unhandled arch: %s" % arch)
install = td / "out"
if arch == "x86":
shutil.copytree(root_32 / "install" / "32", install / "openssl" / "win32")
else:
shutil.copytree(root_64 / "install" / "64", install / "openssl" / "amd64")
with dest_archive.open("wb") as fh:
create_tar_from_directory(fh, install)
def build_libffi(
python: str,
arch: str,
sh_exe: pathlib.Path,
msvc_version: str,
dest_archive: pathlib.Path,
):
with tempfile.TemporaryDirectory(prefix="libffi-build-") as td:
td = pathlib.Path(td)
ffi_source_path = td / "libffi"
# As of April 15, 2020, the libffi source release on GitHub doesn't
# have patches that we need to build. https://bugs.python.org/issue40293
# tracks getting a proper release. Until then, git clone the repo.
subprocess.run(
[
"git.exe",
"-c",
"core.autocrlf=input",
"clone",
"--single-branch",
"--branch",
"libffi",
"https://github.com/python/cpython-source-deps.git",
str(ffi_source_path),
],
check=True,
)
subprocess.run(
[
"git.exe",
"-c",
"core.autocrlf=input",
"checkout",
"16fad4855b3d8c03b5910e405ff3a04395b39a98",
],
cwd=ffi_source_path,
check=True,
)
# We build libffi by running the build script that CPython ships.
python_archive = download_entry(python, BUILD)
extract_tar_to_directory(python_archive, td)
python_entry = DOWNLOADS[python]
prepare_libffi = (
td
/ ("Python-%s" % python_entry["version"])
/ "PCbuild"
/ "prepare_libffi.bat"
)
env = dict(os.environ)
env["LIBFFI_SOURCE"] = str(ffi_source_path)
env["VCVARSALL"] = str(find_vcvarsall_path(msvc_version))
env["SH"] = str(sh_exe)
args = [str(prepare_libffi), "-pdb"]
if arch == "x86":
args.append("-x86")
artifacts_path = ffi_source_path / "i686-pc-cygwin"
else:
args.append("-x64")
artifacts_path = ffi_source_path / "x86_64-w64-cygwin"
subprocess.run(args, env=env, check=True)
out_dir = td / "out" / "libffi"
out_dir.mkdir(parents=True)
for f in os.listdir(artifacts_path / ".libs"):
if f.endswith((".lib", ".exp", ".dll", ".pdb")):
shutil.copyfile(artifacts_path / ".libs" / f, out_dir / f)
shutil.copytree(artifacts_path / "include", out_dir / "include")
shutil.copyfile(
artifacts_path / "fficonfig.h", out_dir / "include" / "fficonfig.h"
)
with dest_archive.open("wb") as fh:
create_tar_from_directory(fh, td / "out")
RE_ADDITIONAL_DEPENDENCIES = re.compile(
"<AdditionalDependencies>([^<]+)</AdditionalDependencies>"
)
def collect_python_build_artifacts(
pcbuild_path: pathlib.Path,
out_dir: pathlib.Path,
python_majmin: str,
arch: str,
config: str,
openssl_entry: str,
freethreaded: bool,
):
"""Collect build artifacts from Python.
Copies them into an output directory and returns a data structure describing
the files.
"""
outputs_path = pcbuild_path / arch
intermediates_path = (
pcbuild_path / "obj" / ("%s%s_%s" % (python_majmin, arch, config))
)
if not outputs_path.exists():
log("%s does not exist" % outputs_path)
sys.exit(1)
if not intermediates_path.exists():
log("%s does not exist" % intermediates_path)
sys.exit(1)
# Things we want to collect:
# 1. object files that contribute to libpython
# 2. libraries for dependencies
# The build throws everything in the same directory hierarchy, so we can't
# easily filter by path to identify e.g. core versus extensions. We rely on
# tagging projects instead. We validate that all directories are known to
# us.
# Projects that aren't relevant to us.
ignore_projects = {
# We don't care about build artifacts for the python executable.
"python",
"pythonw",
# Used to bootstrap interpreter.
"_freeze_module",
# Don't care about venvlauncher executable.
"venvlauncher",
"venvwlauncher",
# Test extensions.
"_ctypes_test",
"_testbuffer",
"_testcapi",
"_testclinic_limited",
"_testclinic",
"_testconsole",
"_testembed",
"_testimportmultiple",
"_testinternalcapi",
"_testlimitedcapi",
"_testmultiphase",
"_testsinglephase",
"xxlimited_35",
"xxlimited",
}
other_projects = {"pythoncore"}
other_projects.add("python3dll")
# Projects providing dependencies.
depends_projects = set()
# Projects that provide extensions.
extension_projects = set()
dirs = {p for p in os.listdir(intermediates_path)}
for extension, entry in CONVERT_TO_BUILTIN_EXTENSIONS.items():
if extension not in dirs:
if entry.get("ignore_missing"):
continue
else:
log("extension not present: %s" % extension)
sys.exit(1)
extension_projects.add(extension)
depends_projects |= {
"liblzma",
"sqlite3",
}
known_projects = (
ignore_projects | other_projects | depends_projects | extension_projects
)