You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
218 lines
8.2 KiB
Python
218 lines
8.2 KiB
Python
"""distutils.command.install_lib
|
|
|
|
Implements the Distutils 'install_lib' command
|
|
(install all Python modules)."""
|
|
|
|
import os
|
|
import importlib.util
|
|
import sys
|
|
|
|
from distutils.core import Command
|
|
from distutils.errors import DistutilsOptionError
|
|
|
|
|
|
# Extension for Python source files.
|
|
PYTHON_SOURCE_EXTENSION = ".py"
|
|
|
|
class install_lib(Command):
|
|
|
|
description = "install all Python modules (extensions and pure Python)"
|
|
|
|
# The byte-compilation options are a tad confusing. Here are the
|
|
# possible scenarios:
|
|
# 1) no compilation at all (--no-compile --no-optimize)
|
|
# 2) compile .pyc only (--compile --no-optimize; default)
|
|
# 3) compile .pyc and "opt-1" .pyc (--compile --optimize)
|
|
# 4) compile "opt-1" .pyc only (--no-compile --optimize)
|
|
# 5) compile .pyc and "opt-2" .pyc (--compile --optimize-more)
|
|
# 6) compile "opt-2" .pyc only (--no-compile --optimize-more)
|
|
#
|
|
# The UI for this is two options, 'compile' and 'optimize'.
|
|
# 'compile' is strictly boolean, and only decides whether to
|
|
# generate .pyc files. 'optimize' is three-way (0, 1, or 2), and
|
|
# decides both whether to generate .pyc files and what level of
|
|
# optimization to use.
|
|
|
|
user_options = [
|
|
('install-dir=', 'd', "directory to install to"),
|
|
('build-dir=','b', "build directory (where to install from)"),
|
|
('force', 'f', "force installation (overwrite existing files)"),
|
|
('compile', 'c', "compile .py to .pyc [default]"),
|
|
('no-compile', None, "don't compile .py files"),
|
|
('optimize=', 'O',
|
|
"also compile with optimization: -O1 for \"python -O\", "
|
|
"-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
|
|
('skip-build', None, "skip the build steps"),
|
|
]
|
|
|
|
boolean_options = ['force', 'compile', 'skip-build']
|
|
negative_opt = {'no-compile' : 'compile'}
|
|
|
|
def initialize_options(self):
|
|
# let the 'install' command dictate our installation directory
|
|
self.install_dir = None
|
|
self.build_dir = None
|
|
self.force = 0
|
|
self.compile = None
|
|
self.optimize = None
|
|
self.skip_build = None
|
|
|
|
def finalize_options(self):
|
|
# Get all the information we need to install pure Python modules
|
|
# from the umbrella 'install' command -- build (source) directory,
|
|
# install (target) directory, and whether to compile .py files.
|
|
self.set_undefined_options('install',
|
|
('build_lib', 'build_dir'),
|
|
('install_lib', 'install_dir'),
|
|
('force', 'force'),
|
|
('compile', 'compile'),
|
|
('optimize', 'optimize'),
|
|
('skip_build', 'skip_build'),
|
|
)
|
|
|
|
if self.compile is None:
|
|
self.compile = True
|
|
if self.optimize is None:
|
|
self.optimize = False
|
|
|
|
if not isinstance(self.optimize, int):
|
|
try:
|
|
self.optimize = int(self.optimize)
|
|
if self.optimize not in (0, 1, 2):
|
|
raise AssertionError
|
|
except (ValueError, AssertionError):
|
|
raise DistutilsOptionError("optimize must be 0, 1, or 2")
|
|
|
|
def run(self):
|
|
# Make sure we have built everything we need first
|
|
self.build()
|
|
|
|
# Install everything: simply dump the entire contents of the build
|
|
# directory to the installation directory (that's the beauty of
|
|
# having a build directory!)
|
|
outfiles = self.install()
|
|
|
|
# (Optionally) compile .py to .pyc
|
|
if outfiles is not None and self.distribution.has_pure_modules():
|
|
self.byte_compile(outfiles)
|
|
|
|
# -- Top-level worker functions ------------------------------------
|
|
# (called from 'run()')
|
|
|
|
def build(self):
|
|
if not self.skip_build:
|
|
if self.distribution.has_pure_modules():
|
|
self.run_command('build_py')
|
|
if self.distribution.has_ext_modules():
|
|
self.run_command('build_ext')
|
|
|
|
def install(self):
|
|
if os.path.isdir(self.build_dir):
|
|
outfiles = self.copy_tree(self.build_dir, self.install_dir)
|
|
else:
|
|
self.warn("'%s' does not exist -- no Python modules to install" %
|
|
self.build_dir)
|
|
return
|
|
return outfiles
|
|
|
|
def byte_compile(self, files):
|
|
if sys.dont_write_bytecode:
|
|
self.warn('byte-compiling is disabled, skipping.')
|
|
return
|
|
|
|
from distutils.util import byte_compile
|
|
|
|
# Get the "--root" directory supplied to the "install" command,
|
|
# and use it as a prefix to strip off the purported filename
|
|
# encoded in bytecode files. This is far from complete, but it
|
|
# should at least generate usable bytecode in RPM distributions.
|
|
install_root = self.get_finalized_command('install').root
|
|
|
|
if self.compile:
|
|
byte_compile(files, optimize=0,
|
|
force=self.force, prefix=install_root,
|
|
dry_run=self.dry_run)
|
|
if self.optimize > 0:
|
|
byte_compile(files, optimize=self.optimize,
|
|
force=self.force, prefix=install_root,
|
|
verbose=self.verbose, dry_run=self.dry_run)
|
|
|
|
|
|
# -- Utility methods -----------------------------------------------
|
|
|
|
def _mutate_outputs(self, has_any, build_cmd, cmd_option, output_dir):
|
|
if not has_any:
|
|
return []
|
|
|
|
build_cmd = self.get_finalized_command(build_cmd)
|
|
build_files = build_cmd.get_outputs()
|
|
build_dir = getattr(build_cmd, cmd_option)
|
|
|
|
prefix_len = len(build_dir) + len(os.sep)
|
|
outputs = []
|
|
for file in build_files:
|
|
outputs.append(os.path.join(output_dir, file[prefix_len:]))
|
|
|
|
return outputs
|
|
|
|
def _bytecode_filenames(self, py_filenames):
|
|
bytecode_files = []
|
|
for py_file in py_filenames:
|
|
# Since build_py handles package data installation, the
|
|
# list of outputs can contain more than just .py files.
|
|
# Make sure we only report bytecode for the .py files.
|
|
ext = os.path.splitext(os.path.normcase(py_file))[1]
|
|
if ext != PYTHON_SOURCE_EXTENSION:
|
|
continue
|
|
if self.compile:
|
|
bytecode_files.append(importlib.util.cache_from_source(
|
|
py_file, optimization=''))
|
|
if self.optimize > 0:
|
|
bytecode_files.append(importlib.util.cache_from_source(
|
|
py_file, optimization=self.optimize))
|
|
|
|
return bytecode_files
|
|
|
|
|
|
# -- External interface --------------------------------------------
|
|
# (called by outsiders)
|
|
|
|
def get_outputs(self):
|
|
"""Return the list of files that would be installed if this command
|
|
were actually run. Not affected by the "dry-run" flag or whether
|
|
modules have actually been built yet.
|
|
"""
|
|
pure_outputs = \
|
|
self._mutate_outputs(self.distribution.has_pure_modules(),
|
|
'build_py', 'build_lib',
|
|
self.install_dir)
|
|
if self.compile:
|
|
bytecode_outputs = self._bytecode_filenames(pure_outputs)
|
|
else:
|
|
bytecode_outputs = []
|
|
|
|
ext_outputs = \
|
|
self._mutate_outputs(self.distribution.has_ext_modules(),
|
|
'build_ext', 'build_lib',
|
|
self.install_dir)
|
|
|
|
return pure_outputs + bytecode_outputs + ext_outputs
|
|
|
|
def get_inputs(self):
|
|
"""Get the list of files that are input to this command, ie. the
|
|
files that get installed as they are named in the build tree.
|
|
The files in this list correspond one-to-one to the output
|
|
filenames returned by 'get_outputs()'.
|
|
"""
|
|
inputs = []
|
|
|
|
if self.distribution.has_pure_modules():
|
|
build_py = self.get_finalized_command('build_py')
|
|
inputs.extend(build_py.get_outputs())
|
|
|
|
if self.distribution.has_ext_modules():
|
|
build_ext = self.get_finalized_command('build_ext')
|
|
inputs.extend(build_ext.get_outputs())
|
|
|
|
return inputs
|