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"""distutils.command.bdist_wininst Implements the Distutils 'bdist_wininst' command: create a windows installer exe-program.""" import sys, os from distutils.core import Command from distutils.util import get_platform from distutils.dir_util import create_tree, 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'] 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 = 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 = 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: 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 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) file.write(open(arcname, "rb").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: bv = float('.'.join(CRT_ASSEMBLY_VERSION.split('.', 2)[:2])) # 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()