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Diffstat (limited to 'Lib/packaging/command/build.py')
| -rw-r--r-- | Lib/packaging/command/build.py | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/Lib/packaging/command/build.py b/Lib/packaging/command/build.py new file mode 100644 index 0000000000..fcb50df4e4 --- /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 separate 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)") + pyversion = '%s.%s' % sys.version_info[:2] + plat_specifier = ".%s-%s" % (self.plat_name, pyversion) + + # 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-' + pyversion) + + 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), + ] |