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