mirror of https://github.com/python/cpython
670 lines
27 KiB
Python
670 lines
27 KiB
Python
"""distutils.command.install
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Implements the Distutils 'install' command."""
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import sys
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import sysconfig
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import os
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import re
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from distutils import log
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from distutils.core import Command
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from distutils.debug import DEBUG
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from distutils.sysconfig import get_config_vars
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from distutils.errors import DistutilsPlatformError
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from distutils.file_util import write_file
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from distutils.util import convert_path, subst_vars, change_root
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from distutils.util import get_platform
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from distutils.errors import DistutilsOptionError
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from site import USER_BASE
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from site import USER_SITE
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HAS_USER_SITE = (USER_SITE is not None)
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# The keys to an installation scheme; if any new types of files are to be
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# installed, be sure to add an entry to every scheme in
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# sysconfig._INSTALL_SCHEMES, and to SCHEME_KEYS here.
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SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
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# The following code provides backward-compatible INSTALL_SCHEMES
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# while making the sysconfig module the single point of truth.
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# This makes it easier for OS distributions where they need to
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# alter locations for packages installations in a single place.
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# Note that this module is depracated (PEP 632); all consumers
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# of this information should switch to using sysconfig directly.
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INSTALL_SCHEMES = {"unix_prefix": {}, "unix_home": {}, "nt": {}}
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# Copy from sysconfig._INSTALL_SCHEMES
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for key in SCHEME_KEYS:
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sys_key = key
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if key == "headers":
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sys_key = "include"
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INSTALL_SCHEMES["unix_prefix"][key] = sysconfig._INSTALL_SCHEMES["posix_prefix"][sys_key]
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INSTALL_SCHEMES["unix_home"][key] = sysconfig._INSTALL_SCHEMES["posix_home"][sys_key]
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INSTALL_SCHEMES["nt"][key] = sysconfig._INSTALL_SCHEMES["nt"][sys_key]
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# Transformation to different template format
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for main_key in INSTALL_SCHEMES:
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for key, value in INSTALL_SCHEMES[main_key].items():
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# Change all ocurences of {variable} to $variable
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value = re.sub(r"\{(.+?)\}", r"$\g<1>", value)
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value = value.replace("$installed_base", "$base")
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value = value.replace("$py_version_nodot_plat", "$py_version_nodot")
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if key == "headers":
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value += "/$dist_name"
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if sys.version_info >= (3, 9) and key == "platlib":
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# platlibdir is available since 3.9: bpo-1294959
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value = value.replace("/lib/", "/$platlibdir/")
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INSTALL_SCHEMES[main_key][key] = value
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# The following part of INSTALL_SCHEMES has a different definition
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# than the one in sysconfig, but because both depend on the site module,
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# the outcomes should be the same.
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if HAS_USER_SITE:
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INSTALL_SCHEMES['nt_user'] = {
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'purelib': '$usersite',
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'platlib': '$usersite',
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'headers': '$userbase/Python$py_version_nodot/Include/$dist_name',
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'scripts': '$userbase/Python$py_version_nodot/Scripts',
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'data' : '$userbase',
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}
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INSTALL_SCHEMES['unix_user'] = {
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'purelib': '$usersite',
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'platlib': '$usersite',
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'headers':
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'$userbase/include/python$py_version_short$abiflags/$dist_name',
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'scripts': '$userbase/bin',
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'data' : '$userbase',
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}
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class install(Command):
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description = "install everything from build directory"
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user_options = [
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# Select installation scheme and set base director(y|ies)
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('prefix=', None,
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"installation prefix"),
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('exec-prefix=', None,
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"(Unix only) prefix for platform-specific files"),
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('home=', None,
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"(Unix only) home directory to install under"),
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# Or, just set the base director(y|ies)
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('install-base=', None,
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"base installation directory (instead of --prefix or --home)"),
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('install-platbase=', None,
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"base installation directory for platform-specific files " +
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"(instead of --exec-prefix or --home)"),
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('root=', None,
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"install everything relative to this alternate root directory"),
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# Or, explicitly set the installation scheme
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('install-purelib=', None,
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"installation directory for pure Python module distributions"),
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('install-platlib=', None,
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"installation directory for non-pure module distributions"),
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('install-lib=', None,
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"installation directory for all module distributions " +
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"(overrides --install-purelib and --install-platlib)"),
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('install-headers=', None,
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"installation directory for C/C++ headers"),
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('install-scripts=', None,
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"installation directory for Python scripts"),
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('install-data=', None,
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"installation directory for data files"),
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# Byte-compilation options -- see install_lib.py for details, as
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# these are duplicated from there (but only install_lib does
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# anything with them).
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('compile', 'c', "compile .py to .pyc [default]"),
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('no-compile', None, "don't compile .py files"),
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('optimize=', 'O',
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"also compile with optimization: -O1 for \"python -O\", "
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"-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
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# Miscellaneous control options
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('force', 'f',
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"force installation (overwrite any existing files)"),
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('skip-build', None,
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"skip rebuilding everything (for testing/debugging)"),
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# Where to install documentation (eventually!)
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#('doc-format=', None, "format of documentation to generate"),
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#('install-man=', None, "directory for Unix man pages"),
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#('install-html=', None, "directory for HTML documentation"),
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#('install-info=', None, "directory for GNU info files"),
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('record=', None,
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"filename in which to record list of installed files"),
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]
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boolean_options = ['compile', 'force', 'skip-build']
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if HAS_USER_SITE:
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user_options.append(('user', None,
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"install in user site-package '%s'" % USER_SITE))
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boolean_options.append('user')
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negative_opt = {'no-compile' : 'compile'}
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def initialize_options(self):
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"""Initializes options."""
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# High-level options: these select both an installation base
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# and scheme.
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self.prefix = None
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self.exec_prefix = None
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self.home = None
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self.user = 0
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# These select only the installation base; it's up to the user to
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# specify the installation scheme (currently, that means supplying
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# the --install-{platlib,purelib,scripts,data} options).
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self.install_base = None
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self.install_platbase = None
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self.root = None
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# These options are the actual installation directories; if not
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# supplied by the user, they are filled in using the installation
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# scheme implied by prefix/exec-prefix/home and the contents of
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# that installation scheme.
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self.install_purelib = None # for pure module distributions
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self.install_platlib = None # non-pure (dists w/ extensions)
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self.install_headers = None # for C/C++ headers
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self.install_lib = None # set to either purelib or platlib
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self.install_scripts = None
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self.install_data = None
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if HAS_USER_SITE:
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self.install_userbase = USER_BASE
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self.install_usersite = USER_SITE
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self.compile = None
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self.optimize = None
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# Deprecated
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# These two are for putting non-packagized distributions into their
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# own directory and creating a .pth file if it makes sense.
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# 'extra_path' comes from the setup file; 'install_path_file' can
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# be turned off if it makes no sense to install a .pth file. (But
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# better to install it uselessly than to guess wrong and not
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# install it when it's necessary and would be used!) Currently,
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# 'install_path_file' is always true unless some outsider meddles
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# with it.
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self.extra_path = None
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self.install_path_file = 1
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# 'force' forces installation, even if target files are not
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# out-of-date. 'skip_build' skips running the "build" command,
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# handy if you know it's not necessary. 'warn_dir' (which is *not*
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# a user option, it's just there so the bdist_* commands can turn
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# it off) determines whether we warn about installing to a
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# directory not in sys.path.
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self.force = 0
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self.skip_build = 0
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self.warn_dir = 1
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# These are only here as a conduit from the 'build' command to the
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# 'install_*' commands that do the real work. ('build_base' isn't
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# actually used anywhere, but it might be useful in future.) They
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# are not user options, because if the user told the install
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# command where the build directory is, that wouldn't affect the
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# build command.
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self.build_base = None
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self.build_lib = None
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# Not defined yet because we don't know anything about
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# documentation yet.
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#self.install_man = None
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#self.install_html = None
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#self.install_info = None
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self.record = None
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# -- Option finalizing methods -------------------------------------
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# (This is rather more involved than for most commands,
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# because this is where the policy for installing third-
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# party Python modules on various platforms given a wide
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# array of user input is decided. Yes, it's quite complex!)
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def finalize_options(self):
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"""Finalizes options."""
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# This method (and its helpers, like 'finalize_unix()',
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# 'finalize_other()', and 'select_scheme()') is where the default
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# installation directories for modules, extension modules, and
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# anything else we care to install from a Python module
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# distribution. Thus, this code makes a pretty important policy
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# statement about how third-party stuff is added to a Python
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# installation! Note that the actual work of installation is done
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# by the relatively simple 'install_*' commands; they just take
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# their orders from the installation directory options determined
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# here.
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# Check for errors/inconsistencies in the options; first, stuff
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# that's wrong on any platform.
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if ((self.prefix or self.exec_prefix or self.home) and
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(self.install_base or self.install_platbase)):
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raise DistutilsOptionError(
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"must supply either prefix/exec-prefix/home or " +
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"install-base/install-platbase -- not both")
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if self.home and (self.prefix or self.exec_prefix):
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raise DistutilsOptionError(
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"must supply either home or prefix/exec-prefix -- not both")
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if self.user and (self.prefix or self.exec_prefix or self.home or
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self.install_base or self.install_platbase):
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raise DistutilsOptionError("can't combine user with prefix, "
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"exec_prefix/home, or install_(plat)base")
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# Next, stuff that's wrong (or dubious) only on certain platforms.
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if os.name != "posix":
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if self.exec_prefix:
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self.warn("exec-prefix option ignored on this platform")
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self.exec_prefix = None
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# Now the interesting logic -- so interesting that we farm it out
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# to other methods. The goal of these methods is to set the final
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# values for the install_{lib,scripts,data,...} options, using as
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# input a heady brew of prefix, exec_prefix, home, install_base,
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# install_platbase, user-supplied versions of
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# install_{purelib,platlib,lib,scripts,data,...}, and the
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# INSTALL_SCHEME dictionary above. Phew!
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self.dump_dirs("pre-finalize_{unix,other}")
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if os.name == 'posix':
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self.finalize_unix()
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else:
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self.finalize_other()
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self.dump_dirs("post-finalize_{unix,other}()")
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# Expand configuration variables, tilde, etc. in self.install_base
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# and self.install_platbase -- that way, we can use $base or
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# $platbase in the other installation directories and not worry
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# about needing recursive variable expansion (shudder).
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py_version = sys.version.split()[0]
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(prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
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try:
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abiflags = sys.abiflags
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except AttributeError:
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# sys.abiflags may not be defined on all platforms.
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abiflags = ''
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self.config_vars = {'dist_name': self.distribution.get_name(),
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'dist_version': self.distribution.get_version(),
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'dist_fullname': self.distribution.get_fullname(),
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'py_version': py_version,
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'py_version_short': '%d.%d' % sys.version_info[:2],
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'py_version_nodot': '%d%d' % sys.version_info[:2],
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'sys_prefix': prefix,
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'prefix': prefix,
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'sys_exec_prefix': exec_prefix,
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'exec_prefix': exec_prefix,
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'abiflags': abiflags,
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'platlibdir': sys.platlibdir,
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}
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if HAS_USER_SITE:
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self.config_vars['userbase'] = self.install_userbase
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self.config_vars['usersite'] = self.install_usersite
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self.expand_basedirs()
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self.dump_dirs("post-expand_basedirs()")
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# Now define config vars for the base directories so we can expand
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# everything else.
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self.config_vars['base'] = self.install_base
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self.config_vars['platbase'] = self.install_platbase
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if DEBUG:
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from pprint import pprint
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print("config vars:")
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pprint(self.config_vars)
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# Expand "~" and configuration variables in the installation
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# directories.
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self.expand_dirs()
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self.dump_dirs("post-expand_dirs()")
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# Create directories in the home dir:
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if self.user:
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self.create_home_path()
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# Pick the actual directory to install all modules to: either
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# install_purelib or install_platlib, depending on whether this
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# module distribution is pure or not. Of course, if the user
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# already specified install_lib, use their selection.
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if self.install_lib is None:
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if self.distribution.ext_modules: # has extensions: non-pure
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self.install_lib = self.install_platlib
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else:
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self.install_lib = self.install_purelib
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# Convert directories from Unix /-separated syntax to the local
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# convention.
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self.convert_paths('lib', 'purelib', 'platlib',
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'scripts', 'data', 'headers')
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if HAS_USER_SITE:
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self.convert_paths('userbase', 'usersite')
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# Deprecated
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# Well, we're not actually fully completely finalized yet: we still
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# have to deal with 'extra_path', which is the hack for allowing
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# non-packagized module distributions (hello, Numerical Python!) to
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# get their own directories.
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self.handle_extra_path()
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self.install_libbase = self.install_lib # needed for .pth file
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self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
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# If a new root directory was supplied, make all the installation
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# dirs relative to it.
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if self.root is not None:
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self.change_roots('libbase', 'lib', 'purelib', 'platlib',
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'scripts', 'data', 'headers')
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self.dump_dirs("after prepending root")
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# Find out the build directories, ie. where to install from.
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self.set_undefined_options('build',
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('build_base', 'build_base'),
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('build_lib', 'build_lib'))
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# Punt on doc directories for now -- after all, we're punting on
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# documentation completely!
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def dump_dirs(self, msg):
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"""Dumps the list of user options."""
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if not DEBUG:
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return
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from distutils.fancy_getopt import longopt_xlate
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log.debug(msg + ":")
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for opt in self.user_options:
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opt_name = opt[0]
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if opt_name[-1] == "=":
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opt_name = opt_name[0:-1]
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if opt_name in self.negative_opt:
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opt_name = self.negative_opt[opt_name]
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opt_name = opt_name.translate(longopt_xlate)
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val = not getattr(self, opt_name)
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else:
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opt_name = opt_name.translate(longopt_xlate)
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val = getattr(self, opt_name)
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log.debug(" %s: %s", opt_name, val)
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def finalize_unix(self):
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"""Finalizes options for posix platforms."""
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if self.install_base is not None or self.install_platbase is not None:
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if ((self.install_lib is None and
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self.install_purelib is None and
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self.install_platlib is None) or
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self.install_headers is None or
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self.install_scripts is None or
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self.install_data is None):
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raise DistutilsOptionError(
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"install-base or install-platbase supplied, but "
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"installation scheme is incomplete")
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return
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if self.user:
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if self.install_userbase is None:
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raise DistutilsPlatformError(
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"User base directory is not specified")
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self.install_base = self.install_platbase = self.install_userbase
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self.select_scheme("unix_user")
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elif self.home is not None:
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self.install_base = self.install_platbase = self.home
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self.select_scheme("unix_home")
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else:
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if self.prefix is None:
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if self.exec_prefix is not None:
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raise DistutilsOptionError(
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"must not supply exec-prefix without prefix")
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self.prefix = os.path.normpath(sys.prefix)
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self.exec_prefix = os.path.normpath(sys.exec_prefix)
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else:
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if self.exec_prefix is None:
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self.exec_prefix = self.prefix
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self.install_base = self.prefix
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self.install_platbase = self.exec_prefix
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self.select_scheme("unix_prefix")
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def finalize_other(self):
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"""Finalizes options for non-posix platforms"""
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if self.user:
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if self.install_userbase is None:
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raise DistutilsPlatformError(
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"User base directory is not specified")
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self.install_base = self.install_platbase = self.install_userbase
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self.select_scheme(os.name + "_user")
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elif self.home is not None:
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self.install_base = self.install_platbase = self.home
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self.select_scheme("unix_home")
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else:
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if self.prefix is None:
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self.prefix = os.path.normpath(sys.prefix)
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self.install_base = self.install_platbase = self.prefix
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try:
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self.select_scheme(os.name)
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except KeyError:
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raise DistutilsPlatformError(
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"I don't know how to install stuff on '%s'" % os.name)
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def select_scheme(self, name):
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"""Sets the install directories by applying the install schemes."""
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# it's the caller's problem if they supply a bad name!
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scheme = INSTALL_SCHEMES[name]
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for key in SCHEME_KEYS:
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attrname = 'install_' + key
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if getattr(self, attrname) is None:
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setattr(self, attrname, scheme[key])
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def _expand_attrs(self, attrs):
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for attr in attrs:
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val = getattr(self, attr)
|
|
if val is not None:
|
|
if os.name == 'posix' or os.name == '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.warn(
|
|
"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 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),
|
|
]
|