mirror of
https://github.com/python/cpython.git
synced 2025-11-04 07:31:38 +00:00
f8361623f0
- Don't use keyword arguments for debug_override; I find it more readable to have a comment explaining that True makes pyc and False pyo than to write out the non-obvious (when you haven’t read the doc) argument name - Move duplicate code from build_py and install_lib into cmd - Remove obsolete verbose argument of util.byte_compile - Remove obsolete passing of -O/-OO to the Python process spawned by util.byte_compile (I’ll remove the whole spawning later, after I write more tests to check the contents of pyc and pyo files; now that byte_compile does not depend on the value of __debug__ in the calling Python, we can call py_compile or compileall directly)
188 lines
7.1 KiB
Python
188 lines
7.1 KiB
Python
"""Install all modules (extensions and pure Python)."""
|
|
|
|
import os
|
|
import imp
|
|
|
|
from packaging import logger
|
|
from packaging.command.cmd import Command
|
|
from packaging.errors import PackagingOptionError
|
|
|
|
|
|
# Extension for Python source files.
|
|
# XXX dead code? most of the codebase checks for literal '.py'
|
|
if hasattr(os, 'extsep'):
|
|
PYTHON_SOURCE_EXTENSION = os.extsep + "py"
|
|
else:
|
|
PYTHON_SOURCE_EXTENSION = ".py"
|
|
|
|
|
|
class install_lib(Command):
|
|
|
|
description = "install all modules (extensions and pure Python)"
|
|
|
|
# The options for controlling byte compilation are two independent sets:
|
|
# '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 .pyo 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_dist' command dictate our installation directory
|
|
self.install_dir = None
|
|
self.build_dir = None
|
|
self.force = False
|
|
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_dist' command -- build (source) directory,
|
|
# install (target) directory, and whether to compile .py files.
|
|
self.set_undefined_options('install_dist',
|
|
('build_lib', 'build_dir'),
|
|
('install_lib', 'install_dir'),
|
|
'force', 'compile', 'optimize',
|
|
'skip_build')
|
|
|
|
if self.compile is None:
|
|
self.compile = True
|
|
if self.optimize is None:
|
|
self.optimize = 0
|
|
|
|
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 PackagingOptionError("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 and/or .pyo
|
|
if outfiles is not None and self.distribution.has_pure_modules():
|
|
# XXX comment from distutils: "This [prefix stripping] is far from
|
|
# complete, but it should at least generate usable bytecode in RPM
|
|
# distributions." -> need to find exact requirements for
|
|
# byte-compiled files and fix it
|
|
install_root = self.get_finalized_command('install_dist').root
|
|
self.byte_compile(outfiles, prefix=install_root)
|
|
|
|
# -- 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:
|
|
logger.warning(
|
|
'%s: %r does not exist -- no Python modules to install',
|
|
self.get_command_name(), self.build_dir)
|
|
return
|
|
return outfiles
|
|
|
|
# -- 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(imp.cache_from_source(py_file, True))
|
|
if self.optimize:
|
|
bytecode_files.append(imp.cache_from_source(py_file, False))
|
|
|
|
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
|