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"""distutils.command.bdist_wininst
Implements the Distutils 'bdist_wininst' command: create a windows installer
exe-program."""
import os
import sys
import warnings
from distutils.core import Command
from distutils.util import get_platform
from distutils.dir_util import remove_tree
from distutils.errors import *
from distutils.sysconfig import get_python_version
from distutils import log
class bdist_wininst(Command):
description = "create an executable installer for MS Windows"
user_options = [('bdist-dir=', None,
"temporary directory for creating the distribution"),
('plat-name=', 'p',
"platform name to embed in generated filenames "
"(default: %s)" % get_platform()),
('keep-temp', 'k',
"keep the pseudo-installation tree around after " +
"creating the distribution archive"),
('target-version=', None,
"require a specific python version" +
" on the target system"),
('no-target-compile', 'c',
"do not compile .py to .pyc on the target system"),
('no-target-optimize', 'o',
"do not compile .py to .pyo (optimized) "
"on the target system"),
('dist-dir=', 'd',
"directory to put final built distributions in"),
('bitmap=', 'b',
"bitmap to use for the installer instead of python-powered logo"),
('title=', 't',
"title to display on the installer background instead of default"),
('skip-build', None,
"skip rebuilding everything (for testing/debugging)"),
('install-script=', None,
"basename of installation script to be run after "
"installation or before deinstallation"),
('pre-install-script=', None,
"Fully qualified filename of a script to be run before "
"any files are installed. This script need not be in the "
"distribution"),
('user-access-control=', None,
"specify Vista's UAC handling - 'none'/default=no "
"handling, 'auto'=use UAC if target Python installed for "
"all users, 'force'=always use UAC"),
]
boolean_options = ['keep-temp', 'no-target-compile', 'no-target-optimize',
'skip-build']
# bpo-10945: bdist_wininst requires mbcs encoding only available on Windows
_unsupported = (sys.platform != "win32")
def __init__(self, *args, **kw):
super().__init__(*args, **kw)
warnings.warn("bdist_wininst command is deprecated since Python 3.8, "
"use bdist_wheel (wheel packages) instead",
DeprecationWarning, 2)
def initialize_options(self):
self.bdist_dir = None
self.plat_name = None
self.keep_temp = 0
self.no_target_compile = 0
self.no_target_optimize = 0
self.target_version = None
self.dist_dir = None
self.bitmap = None
self.title = None
self.skip_build = None
self.install_script = None
self.pre_install_script = None
self.user_access_control = None
def finalize_options(self):
self.set_undefined_options('bdist', ('skip_build', 'skip_build'))
if self.bdist_dir is None:
if self.skip_build and self.plat_name:
# If build is skipped and plat_name is overridden, bdist will
# not see the correct 'plat_name' - so set that up manually.
bdist = self.distribution.get_command_obj('bdist')
bdist.plat_name = self.plat_name
# next the command will be initialized using that name
bdist_base = self.get_finalized_command('bdist').bdist_base
self.bdist_dir = os.path.join(bdist_base, 'wininst')
if not self.target_version:
self.target_version = ""
if not self.skip_build and self.distribution.has_ext_modules():
short_version = get_python_version()
if self.target_version and self.target_version != short_version:
raise DistutilsOptionError(
"target version can only be %s, or the '--skip-build'" \
" option must be specified" % (short_version,))
self.target_version = short_version
self.set_undefined_options('bdist',
('dist_dir', 'dist_dir'),
('plat_name', 'plat_name'),
)
if self.install_script:
for script in self.distribution.scripts:
if self.install_script == os.path.basename(script):
break
else:
raise DistutilsOptionError(
"install_script '%s' not found in scripts"
% self.install_script)
def run(self):
if (sys.platform != "win32" and
(self.distribution.has_ext_modules() or
self.distribution.has_c_libraries())):
raise DistutilsPlatformError \
("distribution contains extensions and/or C libraries; "
"must be compiled on a Windows 32 platform")
if not self.skip_build:
self.run_command('build')
install = self.reinitialize_command('install', reinit_subcommands=1)
install.root = self.bdist_dir
install.skip_build = self.skip_build
install.warn_dir = 0
install.plat_name = self.plat_name
install_lib = self.reinitialize_command('install_lib')
# we do not want to include pyc or pyo files
install_lib.compile = 0
install_lib.optimize = 0
if self.distribution.has_ext_modules():
# If we are building an installer for a Python version other
# than the one we are currently running, then we need to ensure
# our build_lib reflects the other Python version rather than ours.
# Note that for target_version!=sys.version, we must have skipped the
# build step, so there is no issue with enforcing the build of this
# version.
target_version = self.target_version
if not target_version:
assert self.skip_build, "Should have already checked this"
target_version = '%d.%d' % sys.version_info[:2]
plat_specifier = ".%s-%s" % (self.plat_name, target_version)
build = self.get_finalized_command('build')
build.build_lib = os.path.join(build.build_base,
'lib' + plat_specifier)
# Use a custom scheme for the zip-file, because we have to decide
# at installation time which scheme to use.
for key in ('purelib', 'platlib', 'headers', 'scripts', 'data'):
value = key.upper()
if key == 'headers':
value = value + '/Include/$dist_name'
setattr(install,
'install_' + key,
value)
log.info("installing to %s", self.bdist_dir)
install.ensure_finalized()
# avoid warning of 'install_lib' about installing
# into a directory not in sys.path
sys.path.insert(0, os.path.join(self.bdist_dir, 'PURELIB'))
install.run()
del sys.path[0]
# And make an archive relative to the root of the
# pseudo-installation tree.
from tempfile import mktemp
archive_basename = mktemp()
fullname = self.distribution.get_fullname()
arcname = self.make_archive(archive_basename, "zip",
root_dir=self.bdist_dir)
# create an exe containing the zip-file
self.create_exe(arcname, fullname, self.bitmap)
if self.distribution.has_ext_modules():
pyversion = get_python_version()
else:
pyversion = 'any'
self.distribution.dist_files.append(('bdist_wininst', pyversion,
self.get_installer_filename(fullname)))
# remove the zip-file again
log.debug("removing temporary file '%s'", arcname)
os.remove(arcname)
if not self.keep_temp:
remove_tree(self.bdist_dir, dry_run=self.dry_run)
def get_inidata(self):
# Return data describing the installation.
lines = []
metadata = self.distribution.metadata
# Write the [metadata] section.
lines.append("[metadata]")
# 'info' will be displayed in the installer's dialog box,
# describing the items to be installed.
info = (metadata.long_description or '') + '\n'
# Escape newline characters
def escape(s):
return s.replace("\n", "\\n")
for name in ["author", "author_email", "description", "maintainer",
"maintainer_email", "name", "url", "version"]:
data = getattr(metadata, name, "")
if data:
info = info + ("\n %s: %s" % \
(name.capitalize(), escape(data)))
lines.append("%s=%s" % (name, escape(data)))
# The [setup] section contains entries controlling
# the installer runtime.
lines.append("\n[Setup]")
if self.install_script:
lines.append("install_script=%s" % self.install_script)
lines.append("info=%s" % escape(info))
lines.append("target_compile=%d" % (not self.no_target_compile))
lines.append("target_optimize=%d" % (not self.no_target_optimize))
if self.target_version:
lines.append("target_version=%s" % self.target_version)
if self.user_access_control:
lines.append("user_access_control=%s" % self.user_access_control)
title = self.title or self.distribution.get_fullname()
lines.append("title=%s" % escape(title))
import time
import distutils
build_info = "Built %s with distutils-%s" % \
(time.ctime(time.time()), distutils.__version__)
lines.append("build_info=%s" % build_info)
return "\n".join(lines)
def create_exe(self, arcname, fullname, bitmap=None):
import struct
self.mkpath(self.dist_dir)
cfgdata = self.get_inidata()
installer_name = self.get_installer_filename(fullname)
self.announce("creating %s" % installer_name)
if bitmap:
with open(bitmap, "rb") as f:
bitmapdata = f.read()
bitmaplen = len(bitmapdata)
else:
bitmaplen = 0
with open(installer_name, "wb") as file:
file.write(self.get_exe_bytes())
if bitmap:
file.write(bitmapdata)
# Convert cfgdata from unicode to ascii, mbcs encoded
if isinstance(cfgdata, str):
cfgdata = cfgdata.encode("mbcs")
# Append the pre-install script
cfgdata = cfgdata + b"\0"
if self.pre_install_script:
# We need to normalize newlines, so we open in text mode and
# convert back to bytes. "latin-1" simply avoids any possible
# failures.
with open(self.pre_install_script, "r",
encoding="latin-1") as script:
script_data = script.read().encode("latin-1")
cfgdata = cfgdata + script_data + b"\n\0"
else:
# empty pre-install script
cfgdata = cfgdata + b"\0"
file.write(cfgdata)
# The 'magic number' 0x1234567B is used to make sure that the
# binary layout of 'cfgdata' is what the wininst.exe binary
# expects. If the layout changes, increment that number, make
# the corresponding changes to the wininst.exe sources, and
# recompile them.
header = struct.pack("<iii",
0x1234567B, # tag
len(cfgdata), # length
bitmaplen, # number of bytes in bitmap
)
file.write(header)
with open(arcname, "rb") as f:
file.write(f.read())
def get_installer_filename(self, fullname):
# Factored out to allow overriding in subclasses
if self.target_version:
# if we create an installer for a specific python version,
# it's better to include this in the name
installer_name = os.path.join(self.dist_dir,
"%s.%s-py%s.exe" %
(fullname, self.plat_name, self.target_version))
else:
installer_name = os.path.join(self.dist_dir,
"%s.%s.exe" % (fullname, self.plat_name))
return installer_name
def get_exe_bytes(self):
# If a target-version other than the current version has been
# specified, then using the MSVC version from *this* build is no good.
# Without actually finding and executing the target version and parsing
# its sys.version, we just hard-code our knowledge of old versions.
# NOTE: Possible alternative is to allow "--target-version" to
# specify a Python executable rather than a simple version string.
# We can then execute this program to obtain any info we need, such
# as the real sys.version string for the build.
cur_version = get_python_version()
# If the target version is *later* than us, then we assume they
# use what we use
# string compares seem wrong, but are what sysconfig.py itself uses
if self.target_version and self.target_version < cur_version:
if self.target_version < "2.4":
bv = '6.0'
elif self.target_version == "2.4":
bv = '7.1'
elif self.target_version == "2.5":
bv = '8.0'
elif self.target_version <= "3.2":
bv = '9.0'
elif self.target_version <= "3.4":
bv = '10.0'
else:
bv = '14.0'
else:
# for current version - use authoritative check.
try:
from msvcrt import CRT_ASSEMBLY_VERSION
except ImportError:
# cross-building, so assume the latest version
bv = '14.0'
else:
# as far as we know, CRT is binary compatible based on
# the first field, so assume 'x.0' until proven otherwise
major = CRT_ASSEMBLY_VERSION.partition('.')[0]
bv = major + '.0'
# wininst-x.y.exe is in the same directory as this file
directory = os.path.dirname(__file__)
# we must use a wininst-x.y.exe built with the same C compiler
# used for python. XXX What about mingw, borland, and so on?
# if plat_name starts with "win" but is not "win32"
# we want to strip "win" and leave the rest (e.g. -amd64)
# for all other cases, we don't want any suffix
if self.plat_name != 'win32' and self.plat_name[:3] == 'win':
sfix = self.plat_name[3:]
else:
sfix = ''
filename = os.path.join(directory, "wininst-%s%s.exe" % (bv, sfix))
f = open(filename, "rb")
try:
return f.read()
finally:
f.close()
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