mirror of https://github.com/python/cpython
153 lines
5.4 KiB
Python
153 lines
5.4 KiB
Python
# created 1999/03/13, Greg Ward
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__revision__ = "$Id$"
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import sys, os, string
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from distutils.core import Command
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from distutils.dir_util import copy_tree
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class install_lib (Command):
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description = "install all Python modules (extensions and pure Python)"
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user_options = [
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('install-dir=', 'd', "directory to install to"),
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('build-dir=','b', "build directory (where to install from)"),
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('compile', 'c', "compile .py to .pyc"),
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('optimize', 'o', "compile .py to .pyo (optimized)"),
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('skip-build', None, "skip the build steps"),
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]
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def initialize_options (self):
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# let the 'install' command dictate our installation directory
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self.install_dir = None
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self.build_dir = None
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self.compile = 1
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self.optimize = 1
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self.skip_build = None
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def finalize_options (self):
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# Get all the information we need to install pure Python modules
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# from the umbrella 'install' command -- build (source) directory,
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# install (target) directory, and whether to compile .py files.
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self.set_undefined_options ('install',
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('build_lib', 'build_dir'),
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('install_lib', 'install_dir'),
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('compile_py', 'compile'),
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('optimize_py', 'optimize'),
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('skip_build', 'skip_build'),
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)
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def run (self):
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# Make sure we have built everything we need first
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if not self.skip_build:
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if self.distribution.has_pure_modules():
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self.run_command ('build_py')
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if self.distribution.has_ext_modules():
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self.run_command ('build_ext')
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# Install everything: simply dump the entire contents of the build
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# directory to the installation directory (that's the beauty of
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# having a build directory!)
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if os.path.isdir(self.build_dir):
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outfiles = self.copy_tree (self.build_dir, self.install_dir)
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else:
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self.warn("'%s' does not exist -- no Python modules to install" %
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self.build_dir)
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return
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# (Optionally) compile .py to .pyc
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# XXX hey! we can't control whether we optimize or not; that's up
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# to the invocation of the current Python interpreter (at least
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# according to the py_compile docs). That sucks.
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if self.compile:
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from py_compile import compile
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for f in outfiles:
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# only compile the file if it is actually a .py file
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if f[-3:] == '.py':
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out_fn = f + (__debug__ and "c" or "o")
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compile_msg = "byte-compiling %s to %s" % \
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(f, os.path.basename (out_fn))
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skip_msg = "skipping byte-compilation of %s" % f
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self.make_file (f, out_fn, compile, (f,),
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compile_msg, skip_msg)
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# run ()
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def _mutate_outputs (self, has_any, build_cmd, cmd_option, output_dir):
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if not has_any:
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return []
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build_cmd = self.get_finalized_command (build_cmd)
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build_files = build_cmd.get_outputs()
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build_dir = getattr (build_cmd, cmd_option)
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prefix_len = len (build_dir) + len (os.sep)
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outputs = []
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for file in build_files:
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outputs.append (os.path.join (output_dir, file[prefix_len:]))
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return outputs
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# _mutate_outputs ()
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def _bytecode_filenames (self, py_filenames):
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bytecode_files = []
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for py_file in py_filenames:
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bytecode = py_file + (__debug__ and "c" or "o")
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bytecode_files.append(bytecode)
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return bytecode_files
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def get_outputs (self):
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"""Return the list of files that would be installed if this command
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were actually run. Not affected by the "dry-run" flag or whether
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modules have actually been built yet."""
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pure_outputs = \
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self._mutate_outputs (self.distribution.has_pure_modules(),
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'build_py', 'build_lib',
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self.install_dir)
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if self.compile:
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bytecode_outputs = self._bytecode_filenames(pure_outputs)
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else:
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bytecode_outputs = []
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ext_outputs = \
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self._mutate_outputs (self.distribution.has_ext_modules(),
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'build_ext', 'build_lib',
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self.install_dir)
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return pure_outputs + bytecode_outputs + ext_outputs
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# get_outputs ()
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def get_inputs (self):
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"""Get the list of files that are input to this command, ie. the
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files that get installed as they are named in the build tree.
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The files in this list correspond one-to-one to the output
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filenames returned by 'get_outputs()'."""
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inputs = []
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if self.distribution.has_pure_modules():
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build_py = self.get_finalized_command ('build_py')
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inputs.extend (build_py.get_outputs())
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if self.distribution.has_ext_modules():
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build_ext = self.get_finalized_command ('build_ext')
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inputs.extend (build_ext.get_outputs())
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return inputs
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# class install_lib
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