initial import of the packaging package in the standard library
diff --git a/Lib/packaging/command/build.py b/Lib/packaging/command/build.py
new file mode 100644
index 0000000..6580fd1
--- /dev/null
+++ b/Lib/packaging/command/build.py
@@ -0,0 +1,151 @@
+"""Main build command, which calls the other build_* commands."""
+
+import sys
+import os
+
+from packaging.util import get_platform
+from packaging.command.cmd import Command
+from packaging.errors import PackagingOptionError
+from packaging.compiler import show_compilers
+
+
+class build(Command):
+
+ description = "build everything needed to install"
+
+ user_options = [
+ ('build-base=', 'b',
+ "base directory for build library"),
+ ('build-purelib=', None,
+ "build directory for platform-neutral distributions"),
+ ('build-platlib=', None,
+ "build directory for platform-specific distributions"),
+ ('build-lib=', None,
+ "build directory for all distribution (defaults to either " +
+ "build-purelib or build-platlib"),
+ ('build-scripts=', None,
+ "build directory for scripts"),
+ ('build-temp=', 't',
+ "temporary build directory"),
+ ('plat-name=', 'p',
+ "platform name to build for, if supported "
+ "(default: %s)" % get_platform()),
+ ('compiler=', 'c',
+ "specify the compiler type"),
+ ('debug', 'g',
+ "compile extensions and libraries with debugging information"),
+ ('force', 'f',
+ "forcibly build everything (ignore file timestamps)"),
+ ('executable=', 'e',
+ "specify final destination interpreter path (build.py)"),
+ ('use-2to3', None,
+ "use 2to3 to make source python 3.x compatible"),
+ ('convert-2to3-doctests', None,
+ "use 2to3 to convert doctests in seperate text files"),
+ ('use-2to3-fixers', None,
+ "list additional fixers opted for during 2to3 conversion"),
+ ]
+
+ boolean_options = ['debug', 'force']
+
+ help_options = [
+ ('help-compiler', None,
+ "list available compilers", show_compilers),
+ ]
+
+ def initialize_options(self):
+ self.build_base = 'build'
+ # these are decided only after 'build_base' has its final value
+ # (unless overridden by the user or client)
+ self.build_purelib = None
+ self.build_platlib = None
+ self.build_lib = None
+ self.build_temp = None
+ self.build_scripts = None
+ self.compiler = None
+ self.plat_name = None
+ self.debug = None
+ self.force = False
+ self.executable = None
+ self.use_2to3 = False
+ self.convert_2to3_doctests = None
+ self.use_2to3_fixers = None
+
+ def finalize_options(self):
+ if self.plat_name is None:
+ self.plat_name = get_platform()
+ else:
+ # plat-name only supported for windows (other platforms are
+ # supported via ./configure flags, if at all). Avoid misleading
+ # other platforms.
+ if os.name != 'nt':
+ raise PackagingOptionError(
+ "--plat-name only supported on Windows (try "
+ "using './configure --help' on your platform)")
+
+ plat_specifier = ".%s-%s" % (self.plat_name, sys.version[0:3])
+
+ # Make it so Python 2.x and Python 2.x with --with-pydebug don't
+ # share the same build directories. Doing so confuses the build
+ # process for C modules
+ if hasattr(sys, 'gettotalrefcount'):
+ plat_specifier += '-pydebug'
+
+ # 'build_purelib' and 'build_platlib' just default to 'lib' and
+ # 'lib.<plat>' under the base build directory. We only use one of
+ # them for a given distribution, though --
+ if self.build_purelib is None:
+ self.build_purelib = os.path.join(self.build_base, 'lib')
+ if self.build_platlib is None:
+ self.build_platlib = os.path.join(self.build_base,
+ 'lib' + plat_specifier)
+
+ # 'build_lib' is the actual directory that we will use for this
+ # particular module distribution -- if user didn't supply it, pick
+ # one of 'build_purelib' or 'build_platlib'.
+ if self.build_lib is None:
+ if self.distribution.ext_modules:
+ self.build_lib = self.build_platlib
+ else:
+ self.build_lib = self.build_purelib
+
+ # 'build_temp' -- temporary directory for compiler turds,
+ # "build/temp.<plat>"
+ if self.build_temp is None:
+ self.build_temp = os.path.join(self.build_base,
+ 'temp' + plat_specifier)
+ if self.build_scripts is None:
+ self.build_scripts = os.path.join(self.build_base,
+ 'scripts-' + sys.version[0:3])
+
+ if self.executable is None:
+ self.executable = os.path.normpath(sys.executable)
+
+ def run(self):
+ # Run all relevant sub-commands. This will be some subset of:
+ # - build_py - pure Python modules
+ # - build_clib - standalone C libraries
+ # - build_ext - Python extension modules
+ # - build_scripts - Python scripts
+ for cmd_name in self.get_sub_commands():
+ self.run_command(cmd_name)
+
+ # -- Predicates for the sub-command list ---------------------------
+
+ def has_pure_modules(self):
+ return self.distribution.has_pure_modules()
+
+ def has_c_libraries(self):
+ return self.distribution.has_c_libraries()
+
+ def has_ext_modules(self):
+ return self.distribution.has_ext_modules()
+
+ def has_scripts(self):
+ return self.distribution.has_scripts()
+
+ sub_commands = [('build_py', has_pure_modules),
+ ('build_clib', has_c_libraries),
+ ('build_ext', has_ext_modules),
+ ('build_scripts', has_scripts),
+ ]