| Current File : //usr/lib/python3/dist-packages/setuptools/_distutils/command/install.py |
"""distutils.command.install
Implements the Distutils 'install' command."""
import sys
import os
import contextlib
import sysconfig
import itertools
from distutils._log import log
from ..core import Command
from ..debug import DEBUG
from ..sysconfig import get_config_vars
from ..file_util import write_file
from ..util import convert_path, subst_vars, change_root
from ..util import get_platform
from ..errors import DistutilsOptionError, DistutilsPlatformError
from . import _framework_compat as fw
from .. import _collections
from site import USER_BASE
from site import USER_SITE
HAS_USER_SITE = True
WINDOWS_SCHEME = {
'purelib': '{base}/Lib/site-packages',
'platlib': '{base}/Lib/site-packages',
'headers': '{base}/Include/{dist_name}',
'scripts': '{base}/Scripts',
'data': '{base}',
}
INSTALL_SCHEMES = {
'posix_prefix': {
'purelib': '{base}/lib/{implementation_lower}{py_version_short}/site-packages',
'platlib': '{platbase}/{platlibdir}/{implementation_lower}'
'{py_version_short}/site-packages',
'headers': '{base}/include/{implementation_lower}'
'{py_version_short}{abiflags}/{dist_name}',
'scripts': '{base}/bin',
'data': '{base}',
},
'posix_home': {
'purelib': '{base}/lib/{implementation_lower}',
'platlib': '{base}/{platlibdir}/{implementation_lower}',
'headers': '{base}/include/{implementation_lower}/{dist_name}',
'scripts': '{base}/bin',
'data': '{base}',
},
'nt': WINDOWS_SCHEME,
'pypy': {
'purelib': '{base}/site-packages',
'platlib': '{base}/site-packages',
'headers': '{base}/include/{dist_name}',
'scripts': '{base}/bin',
'data': '{base}',
},
'pypy_nt': {
'purelib': '{base}/site-packages',
'platlib': '{base}/site-packages',
'headers': '{base}/include/{dist_name}',
'scripts': '{base}/Scripts',
'data': '{base}',
},
}
# user site schemes
if HAS_USER_SITE:
INSTALL_SCHEMES['nt_user'] = {
'purelib': '{usersite}',
'platlib': '{usersite}',
'headers': '{userbase}/{implementation}{py_version_nodot_plat}'
'/Include/{dist_name}',
'scripts': '{userbase}/{implementation}{py_version_nodot_plat}/Scripts',
'data': '{userbase}',
}
INSTALL_SCHEMES['posix_user'] = {
'purelib': '{usersite}',
'platlib': '{usersite}',
'headers': '{userbase}/include/{implementation_lower}'
'{py_version_short}{abiflags}/{dist_name}',
'scripts': '{userbase}/bin',
'data': '{userbase}',
}
INSTALL_SCHEMES.update(fw.schemes)
# The keys to an installation scheme; if any new types of files are to be
# installed, be sure to add an entry to every installation scheme above,
# and to SCHEME_KEYS here.
SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
def _load_sysconfig_schemes():
with contextlib.suppress(AttributeError):
return {
scheme: sysconfig.get_paths(scheme, expand=False)
for scheme in sysconfig.get_scheme_names()
}
def _load_schemes():
"""
Extend default schemes with schemes from sysconfig.
"""
sysconfig_schemes = _load_sysconfig_schemes() or {}
return {
scheme: {
**INSTALL_SCHEMES.get(scheme, {}),
**sysconfig_schemes.get(scheme, {}),
}
for scheme in set(itertools.chain(INSTALL_SCHEMES, sysconfig_schemes))
}
def _get_implementation():
if hasattr(sys, 'pypy_version_info'):
return 'PyPy'
else:
return 'Python'
def _select_scheme(ob, name):
scheme = _inject_headers(name, _load_scheme(_resolve_scheme(name)))
vars(ob).update(_remove_set(ob, _scheme_attrs(scheme)))
def _remove_set(ob, attrs):
"""
Include only attrs that are None in ob.
"""
return {key: value for key, value in attrs.items() if getattr(ob, key) is None}
def _resolve_scheme(name):
os_name, sep, key = name.partition('_')
try:
resolved = sysconfig.get_preferred_scheme(key)
except Exception:
resolved = fw.scheme(_pypy_hack(name))
return resolved
def _load_scheme(name):
return _load_schemes()[name]
def _inject_headers(name, scheme):
"""
Given a scheme name and the resolved scheme,
if the scheme does not include headers, resolve
the fallback scheme for the name and use headers
from it. pypa/distutils#88
"""
# Bypass the preferred scheme, which may not
# have defined headers.
fallback = _load_scheme(_pypy_hack(name))
scheme.setdefault('headers', fallback['headers'])
return scheme
def _scheme_attrs(scheme):
"""Resolve install directories by applying the install schemes."""
return {f'install_{key}': scheme[key] for key in SCHEME_KEYS}
def _pypy_hack(name):
PY37 = sys.version_info < (3, 8)
old_pypy = hasattr(sys, 'pypy_version_info') and PY37
prefix = not name.endswith(('_user', '_home'))
pypy_name = 'pypy' + '_nt' * (os.name == 'nt')
return pypy_name if old_pypy and prefix else name
class install(Command):
description = "install everything from build directory"
user_options = [
# Select installation scheme and set base director(y|ies)
('prefix=', None, "installation prefix"),
('exec-prefix=', None, "(Unix only) prefix for platform-specific files"),
('home=', None, "(Unix only) home directory to install under"),
# Or, just set the base director(y|ies)
(
'install-base=',
None,
"base installation directory (instead of --prefix or --home)",
),
(
'install-platbase=',
None,
"base installation directory for platform-specific files "
+ "(instead of --exec-prefix or --home)",
),
('root=', None, "install everything relative to this alternate root directory"),
# Or, explicitly set the installation scheme
(
'install-purelib=',
None,
"installation directory for pure Python module distributions",
),
(
'install-platlib=',
None,
"installation directory for non-pure module distributions",
),
(
'install-lib=',
None,
"installation directory for all module distributions "
+ "(overrides --install-purelib and --install-platlib)",
),
('install-headers=', None, "installation directory for C/C++ headers"),
('install-scripts=', None, "installation directory for Python scripts"),
('install-data=', None, "installation directory for data files"),
# Byte-compilation options -- see install_lib.py for details, as
# these are duplicated from there (but only install_lib does
# anything with them).
('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]",
),
# Miscellaneous control options
('force', 'f', "force installation (overwrite any existing files)"),
('skip-build', None, "skip rebuilding everything (for testing/debugging)"),
# Where to install documentation (eventually!)
# ('doc-format=', None, "format of documentation to generate"),
# ('install-man=', None, "directory for Unix man pages"),
# ('install-html=', None, "directory for HTML documentation"),
# ('install-info=', None, "directory for GNU info files"),
('record=', None, "filename in which to record list of installed files"),
]
boolean_options = ['compile', 'force', 'skip-build']
if HAS_USER_SITE:
user_options.append(
('user', None, "install in user site-package '%s'" % USER_SITE)
)
boolean_options.append('user')
negative_opt = {'no-compile': 'compile'}
def initialize_options(self):
"""Initializes options."""
# High-level options: these select both an installation base
# and scheme.
self.prefix = None
self.exec_prefix = None
self.home = None
self.user = 0
# These select only the installation base; it's up to the user to
# specify the installation scheme (currently, that means supplying
# the --install-{platlib,purelib,scripts,data} options).
self.install_base = None
self.install_platbase = None
self.root = None
# These options are the actual installation directories; if not
# supplied by the user, they are filled in using the installation
# scheme implied by prefix/exec-prefix/home and the contents of
# that installation scheme.
self.install_purelib = None # for pure module distributions
self.install_platlib = None # non-pure (dists w/ extensions)
self.install_headers = None # for C/C++ headers
self.install_lib = None # set to either purelib or platlib
self.install_scripts = None
self.install_data = None
self.install_userbase = USER_BASE
self.install_usersite = USER_SITE
self.compile = None
self.optimize = None
# Deprecated
# These two are for putting non-packagized distributions into their
# own directory and creating a .pth file if it makes sense.
# 'extra_path' comes from the setup file; 'install_path_file' can
# be turned off if it makes no sense to install a .pth file. (But
# better to install it uselessly than to guess wrong and not
# install it when it's necessary and would be used!) Currently,
# 'install_path_file' is always true unless some outsider meddles
# with it.
self.extra_path = None
self.install_path_file = 1
# 'force' forces installation, even if target files are not
# out-of-date. 'skip_build' skips running the "build" command,
# handy if you know it's not necessary. 'warn_dir' (which is *not*
# a user option, it's just there so the bdist_* commands can turn
# it off) determines whether we warn about installing to a
# directory not in sys.path.
self.force = 0
self.skip_build = 0
self.warn_dir = 1
# These are only here as a conduit from the 'build' command to the
# 'install_*' commands that do the real work. ('build_base' isn't
# actually used anywhere, but it might be useful in future.) They
# are not user options, because if the user told the install
# command where the build directory is, that wouldn't affect the
# build command.
self.build_base = None
self.build_lib = None
# Not defined yet because we don't know anything about
# documentation yet.
# self.install_man = None
# self.install_html = None
# self.install_info = None
self.record = None
# -- Option finalizing methods -------------------------------------
# (This is rather more involved than for most commands,
# because this is where the policy for installing third-
# party Python modules on various platforms given a wide
# array of user input is decided. Yes, it's quite complex!)
def finalize_options(self): # noqa: C901
"""Finalizes options."""
# This method (and its helpers, like 'finalize_unix()',
# 'finalize_other()', and 'select_scheme()') is where the default
# installation directories for modules, extension modules, and
# anything else we care to install from a Python module
# distribution. Thus, this code makes a pretty important policy
# statement about how third-party stuff is added to a Python
# installation! Note that the actual work of installation is done
# by the relatively simple 'install_*' commands; they just take
# their orders from the installation directory options determined
# here.
# Check for errors/inconsistencies in the options; first, stuff
# that's wrong on any platform.
if (self.prefix or self.exec_prefix or self.home) and (
self.install_base or self.install_platbase
):
raise DistutilsOptionError(
"must supply either prefix/exec-prefix/home or "
+ "install-base/install-platbase -- not both"
)
if self.home and (self.prefix or self.exec_prefix):
raise DistutilsOptionError(
"must supply either home or prefix/exec-prefix -- not both"
)
if self.user and (
self.prefix
or self.exec_prefix
or self.home
or self.install_base
or self.install_platbase
):
raise DistutilsOptionError(
"can't combine user with prefix, "
"exec_prefix/home, or install_(plat)base"
)
# Next, stuff that's wrong (or dubious) only on certain platforms.
if os.name != "posix":
if self.exec_prefix:
self.warn("exec-prefix option ignored on this platform")
self.exec_prefix = None
# Now the interesting logic -- so interesting that we farm it out
# to other methods. The goal of these methods is to set the final
# values for the install_{lib,scripts,data,...} options, using as
# input a heady brew of prefix, exec_prefix, home, install_base,
# install_platbase, user-supplied versions of
# install_{purelib,platlib,lib,scripts,data,...}, and the
# install schemes. Phew!
self.dump_dirs("pre-finalize_{unix,other}")
if os.name == 'posix':
self.finalize_unix()
else:
self.finalize_other()
self.dump_dirs("post-finalize_{unix,other}()")
# Expand configuration variables, tilde, etc. in self.install_base
# and self.install_platbase -- that way, we can use $base or
# $platbase in the other installation directories and not worry
# about needing recursive variable expansion (shudder).
py_version = sys.version.split()[0]
(prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
try:
abiflags = sys.abiflags
except AttributeError:
# sys.abiflags may not be defined on all platforms.
abiflags = ''
local_vars = {
'dist_name': self.distribution.get_name(),
'dist_version': self.distribution.get_version(),
'dist_fullname': self.distribution.get_fullname(),
'py_version': py_version,
'py_version_short': '%d.%d' % sys.version_info[:2],
'py_version_nodot': '%d%d' % sys.version_info[:2],
'sys_prefix': prefix,
'prefix': prefix,
'sys_exec_prefix': exec_prefix,
'exec_prefix': exec_prefix,
'abiflags': abiflags,
'platlibdir': getattr(sys, 'platlibdir', 'lib'),
'implementation_lower': _get_implementation().lower(),
'implementation': _get_implementation(),
}
# vars for compatibility on older Pythons
compat_vars = dict(
# Python 3.9 and earlier
py_version_nodot_plat=getattr(sys, 'winver', '').replace('.', ''),
)
if HAS_USER_SITE:
local_vars['userbase'] = self.install_userbase
local_vars['usersite'] = self.install_usersite
self.config_vars = _collections.DictStack(
[fw.vars(), compat_vars, sysconfig.get_config_vars(), local_vars]
)
self.expand_basedirs()
self.dump_dirs("post-expand_basedirs()")
# Now define config vars for the base directories so we can expand
# everything else.
local_vars['base'] = self.install_base
local_vars['platbase'] = self.install_platbase
if DEBUG:
from pprint import pprint
print("config vars:")
pprint(dict(self.config_vars))
# Expand "~" and configuration variables in the installation
# directories.
self.expand_dirs()
self.dump_dirs("post-expand_dirs()")
# Create directories in the home dir:
if self.user:
self.create_home_path()
# Pick the actual directory to install all modules to: either
# install_purelib or install_platlib, depending on whether this
# module distribution is pure or not. Of course, if the user
# already specified install_lib, use their selection.
if self.install_lib is None:
if self.distribution.has_ext_modules(): # has extensions: non-pure
self.install_lib = self.install_platlib
else:
self.install_lib = self.install_purelib
# Convert directories from Unix /-separated syntax to the local
# convention.
self.convert_paths(
'lib',
'purelib',
'platlib',
'scripts',
'data',
'headers',
'userbase',
'usersite',
)
# Deprecated
# Well, we're not actually fully completely finalized yet: we still
# have to deal with 'extra_path', which is the hack for allowing
# non-packagized module distributions (hello, Numerical Python!) to
# get their own directories.
self.handle_extra_path()
self.install_libbase = self.install_lib # needed for .pth file
self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
# If a new root directory was supplied, make all the installation
# dirs relative to it.
if self.root is not None:
self.change_roots(
'libbase', 'lib', 'purelib', 'platlib', 'scripts', 'data', 'headers'
)
self.dump_dirs("after prepending root")
# Find out the build directories, ie. where to install from.
self.set_undefined_options(
'build', ('build_base', 'build_base'), ('build_lib', 'build_lib')
)
# Punt on doc directories for now -- after all, we're punting on
# documentation completely!
def dump_dirs(self, msg):
"""Dumps the list of user options."""
if not DEBUG:
return
from ..fancy_getopt import longopt_xlate
log.debug(msg + ":")
for opt in self.user_options:
opt_name = opt[0]
if opt_name[-1] == "=":
opt_name = opt_name[0:-1]
if opt_name in self.negative_opt:
opt_name = self.negative_opt[opt_name]
opt_name = opt_name.translate(longopt_xlate)
val = not getattr(self, opt_name)
else:
opt_name = opt_name.translate(longopt_xlate)
val = getattr(self, opt_name)
log.debug(" %s: %s", opt_name, val)
def finalize_unix(self):
"""Finalizes options for posix platforms."""
if self.install_base is not None or self.install_platbase is not None:
incomplete_scheme = (
(
self.install_lib is None
and self.install_purelib is None
and self.install_platlib is None
)
or self.install_headers is None
or self.install_scripts is None
or self.install_data is None
)
if incomplete_scheme:
raise DistutilsOptionError(
"install-base or install-platbase supplied, but "
"installation scheme is incomplete"
)
return
if self.user:
if self.install_userbase is None:
raise DistutilsPlatformError("User base directory is not specified")
self.install_base = self.install_platbase = self.install_userbase
self.select_scheme("posix_user")
elif self.home is not None:
self.install_base = self.install_platbase = self.home
self.select_scheme("posix_home")
else:
if self.prefix is None:
if self.exec_prefix is not None:
raise DistutilsOptionError(
"must not supply exec-prefix without prefix"
)
# Allow Fedora to add components to the prefix
_prefix_addition = getattr(sysconfig, '_prefix_addition', "")
self.prefix = os.path.normpath(sys.prefix) + _prefix_addition
self.exec_prefix = os.path.normpath(sys.exec_prefix) + _prefix_addition
else:
if self.exec_prefix is None:
self.exec_prefix = self.prefix
self.install_base = self.prefix
self.install_platbase = self.exec_prefix
self.select_scheme("posix_prefix")
def finalize_other(self):
"""Finalizes options for non-posix platforms"""
if self.user:
if self.install_userbase is None:
raise DistutilsPlatformError("User base directory is not specified")
self.install_base = self.install_platbase = self.install_userbase
self.select_scheme(os.name + "_user")
elif self.home is not None:
self.install_base = self.install_platbase = self.home
self.select_scheme("posix_home")
else:
if self.prefix is None:
self.prefix = os.path.normpath(sys.prefix)
self.install_base = self.install_platbase = self.prefix
try:
self.select_scheme(os.name)
except KeyError:
raise DistutilsPlatformError(
"I don't know how to install stuff on '%s'" % os.name
)
def select_scheme(self, name):
_select_scheme(self, name)
def _expand_attrs(self, attrs):
for attr in attrs:
val = getattr(self, attr)
if val is not None:
if os.name in ('posix', 'nt'):
val = os.path.expanduser(val)
val = subst_vars(val, self.config_vars)
setattr(self, attr, val)
def expand_basedirs(self):
"""Calls `os.path.expanduser` on install_base, install_platbase and
root."""
self._expand_attrs(['install_base', 'install_platbase', 'root'])
def expand_dirs(self):
"""Calls `os.path.expanduser` on install dirs."""
self._expand_attrs(
[
'install_purelib',
'install_platlib',
'install_lib',
'install_headers',
'install_scripts',
'install_data',
]
)
def convert_paths(self, *names):
"""Call `convert_path` over `names`."""
for name in names:
attr = "install_" + name
setattr(self, attr, convert_path(getattr(self, attr)))
def handle_extra_path(self):
"""Set `path_file` and `extra_dirs` using `extra_path`."""
if self.extra_path is None:
self.extra_path = self.distribution.extra_path
if self.extra_path is not None:
log.warning(
"Distribution option extra_path is deprecated. "
"See issue27919 for details."
)
if isinstance(self.extra_path, str):
self.extra_path = self.extra_path.split(',')
if len(self.extra_path) == 1:
path_file = extra_dirs = self.extra_path[0]
elif len(self.extra_path) == 2:
path_file, extra_dirs = self.extra_path
else:
raise DistutilsOptionError(
"'extra_path' option must be a list, tuple, or "
"comma-separated string with 1 or 2 elements"
)
# convert to local form in case Unix notation used (as it
# should be in setup scripts)
extra_dirs = convert_path(extra_dirs)
else:
path_file = None
extra_dirs = ''
# XXX should we warn if path_file and not extra_dirs? (in which
# case the path file would be harmless but pointless)
self.path_file = path_file
self.extra_dirs = extra_dirs
def change_roots(self, *names):
"""Change the install directories pointed by name using root."""
for name in names:
attr = "install_" + name
setattr(self, attr, change_root(self.root, getattr(self, attr)))
def create_home_path(self):
"""Create directories under ~."""
if not self.user:
return
home = convert_path(os.path.expanduser("~"))
for name, path in self.config_vars.items():
if str(path).startswith(home) and not os.path.isdir(path):
self.debug_print("os.makedirs('%s', 0o700)" % path)
os.makedirs(path, 0o700)
# -- Command execution methods -------------------------------------
def run(self):
"""Runs the command."""
# Obviously have to build before we can install
if not self.skip_build:
self.run_command('build')
# If we built for any other platform, we can't install.
build_plat = self.distribution.get_command_obj('build').plat_name
# check warn_dir - it is a clue that the 'install' is happening
# internally, and not to sys.path, so we don't check the platform
# matches what we are running.
if self.warn_dir and build_plat != get_platform():
raise DistutilsPlatformError("Can't install when " "cross-compiling")
# Run all sub-commands (at least those that need to be run)
for cmd_name in self.get_sub_commands():
self.run_command(cmd_name)
if self.path_file:
self.create_path_file()
# write list of installed files, if requested.
if self.record:
outputs = self.get_outputs()
if self.root: # strip any package prefix
root_len = len(self.root)
for counter in range(len(outputs)):
outputs[counter] = outputs[counter][root_len:]
self.execute(
write_file,
(self.record, outputs),
"writing list of installed files to '%s'" % self.record,
)
sys_path = map(os.path.normpath, sys.path)
sys_path = map(os.path.normcase, sys_path)
install_lib = os.path.normcase(os.path.normpath(self.install_lib))
if (
self.warn_dir
and not (self.path_file and self.install_path_file)
and install_lib not in sys_path
):
log.debug(
(
"modules installed to '%s', which is not in "
"Python's module search path (sys.path) -- "
"you'll have to change the search path yourself"
),
self.install_lib,
)
def create_path_file(self):
"""Creates the .pth file"""
filename = os.path.join(self.install_libbase, self.path_file + ".pth")
if self.install_path_file:
self.execute(
write_file, (filename, [self.extra_dirs]), "creating %s" % filename
)
else:
self.warn("path file '%s' not created" % filename)
# -- Reporting methods ---------------------------------------------
def get_outputs(self):
"""Assembles the outputs of all the sub-commands."""
outputs = []
for cmd_name in self.get_sub_commands():
cmd = self.get_finalized_command(cmd_name)
# Add the contents of cmd.get_outputs(), ensuring
# that outputs doesn't contain duplicate entries
for filename in cmd.get_outputs():
if filename not in outputs:
outputs.append(filename)
if self.path_file and self.install_path_file:
outputs.append(os.path.join(self.install_libbase, self.path_file + ".pth"))
return outputs
def get_inputs(self):
"""Returns the inputs of all the sub-commands"""
# XXX gee, this looks familiar ;-(
inputs = []
for cmd_name in self.get_sub_commands():
cmd = self.get_finalized_command(cmd_name)
inputs.extend(cmd.get_inputs())
return inputs
# -- Predicates for sub-command list -------------------------------
def has_lib(self):
"""Returns true if the current distribution has any Python
modules to install."""
return (
self.distribution.has_pure_modules() or self.distribution.has_ext_modules()
)
def has_headers(self):
"""Returns true if the current distribution has any headers to
install."""
return self.distribution.has_headers()
def has_scripts(self):
"""Returns true if the current distribution has any scripts to.
install."""
return self.distribution.has_scripts()
def has_data(self):
"""Returns true if the current distribution has any data to.
install."""
return self.distribution.has_data_files()
# 'sub_commands': a list of commands this command might have to run to
# get its work done. See cmd.py for more info.
sub_commands = [
('install_lib', has_lib),
('install_headers', has_headers),
('install_scripts', has_scripts),
('install_data', has_data),
('install_egg_info', lambda self: True),
]