cpython/Lib/distutils/command/bdist_wininst.py at 2.7 · python-emscripten/cpython · GitHub

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"""distutils.command.bdist_wininst

Implements the Distutils 'bdist_wininst' command: create a windows installer

exe-program."""

__revision__ = "$Id$"

import sys

import os

import string

from sysconfig import get_python_version

from distutils.core import Command

from distutils.dir_util import remove_tree

from distutils.errors import DistutilsOptionError, DistutilsPlatformError

from distutils import log

from distutils.util import get_platform

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']

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

# initialize_options()

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

# finalize_options()

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 = sys.version[0:3]

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 = string.upper(key)

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)

# 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 string.replace(s, "\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" % \

(string.capitalize(name), 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 string.join(lines, "\n")

# get_inidata()

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:

bitmapdata = open(bitmap, "rb").read()

bitmaplen = len(bitmapdata)

else:

bitmaplen = 0

file = open(installer_name, "wb")

file.write(self.get_exe_bytes())

if bitmap:

file.write(bitmapdata)

# Convert cfgdata from unicode to ascii, mbcs encoded

try:

unicode

except NameError:

pass

else:

if isinstance(cfgdata, unicode):

cfgdata = cfgdata.encode("mbcs")

# Append the pre-install script

cfgdata = cfgdata + "\0"

if self.pre_install_script:

script_data = open(self.pre_install_script, "r").read()

cfgdata = cfgdata + script_data + "\n\0"

else:

# empty pre-install script

cfgdata = cfgdata + "\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)

file.write(open(arcname, "rb").read())

# create_exe()

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

# get_installer_filename()

def get_exe_bytes (self):

from distutils.msvccompiler import get_build_version

# 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 self.target_version and self.target_version != cur_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 > cur_version:

bv = get_build_version()

else:

if self.target_version < "2.4":

bv = 6.0

else:

bv = 7.1

else:

# for current version - use authoritative check.

bv = get_build_version()

# 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-%.1f%s.exe" % (bv, sfix))

f = open(filename, "rb")

try:

return f.read()

finally:

f.close()

# class bdist_wininst

cpython/Lib/distutils/command/bdist_wininst.py at 2.7 · python-emscripten/cpython · GitHub

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