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677 lines
27 KiB
677 lines
27 KiB
"""distutils.command.install |
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Implements the Distutils 'install' command.""" |
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import sys |
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import os |
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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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|
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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 = True |
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WINDOWS_SCHEME = { |
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'purelib': '$base/Lib/site-packages', |
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'platlib': '$base/Lib/site-packages', |
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'headers': '$base/Include/$dist_name', |
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'scripts': '$base/Scripts', |
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'data' : '$base', |
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} |
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INSTALL_SCHEMES = { |
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'unix_prefix': { |
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'purelib': '$base/lib/python$py_version_short/site-packages', |
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'platlib': '$platbase/$platlibdir/python$py_version_short/site-packages', |
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'headers': '$base/include/python$py_version_short$abiflags/$dist_name', |
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'scripts': '$base/bin', |
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'data' : '$base', |
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}, |
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'unix_home': { |
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'purelib': '$base/lib/python', |
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'platlib': '$base/$platlibdir/python', |
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'headers': '$base/include/python/$dist_name', |
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'scripts': '$base/bin', |
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'data' : '$base', |
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}, |
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'nt': WINDOWS_SCHEME, |
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'pypy': { |
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'purelib': '$base/site-packages', |
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'platlib': '$base/site-packages', |
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'headers': '$base/include/$dist_name', |
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'scripts': '$base/bin', |
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'data' : '$base', |
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}, |
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'pypy_nt': { |
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'purelib': '$base/site-packages', |
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'platlib': '$base/site-packages', |
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'headers': '$base/include/$dist_name', |
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'scripts': '$base/Scripts', |
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'data' : '$base', |
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}, |
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} |
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# user site schemes |
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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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# 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 installation scheme above, |
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# and to SCHEME_KEYS here. |
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SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data') |
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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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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': getattr(sys, 'platlibdir', 'lib'), |
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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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|
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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.has_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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'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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|
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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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if (hasattr(sys, 'pypy_version_info') and |
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not name.endswith(('_user', '_home'))): |
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if os.name == 'nt': |
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name = 'pypy_nt' |
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else: |
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name = 'pypy' |
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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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|
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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) |
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if val is not None: |
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if os.name == 'posix' or os.name == 'nt': |
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val = os.path.expanduser(val) |
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val = subst_vars(val, self.config_vars) |
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setattr(self, attr, val) |
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|
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def expand_basedirs(self): |
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"""Calls `os.path.expanduser` on install_base, install_platbase and |
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root.""" |
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self._expand_attrs(['install_base', 'install_platbase', 'root']) |
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def expand_dirs(self): |
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"""Calls `os.path.expanduser` on install dirs.""" |
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self._expand_attrs(['install_purelib', 'install_platlib', |
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'install_lib', 'install_headers', |
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'install_scripts', 'install_data',]) |
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|
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def convert_paths(self, *names): |
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"""Call `convert_path` over `names`.""" |
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for name in names: |
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attr = "install_" + name |
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setattr(self, attr, convert_path(getattr(self, attr))) |
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|
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def handle_extra_path(self): |
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"""Set `path_file` and `extra_dirs` using `extra_path`.""" |
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if self.extra_path is None: |
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self.extra_path = self.distribution.extra_path |
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|
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if self.extra_path is not None: |
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log.warn( |
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"Distribution option extra_path is deprecated. " |
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"See issue27919 for details." |
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) |
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if isinstance(self.extra_path, str): |
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self.extra_path = self.extra_path.split(',') |
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if len(self.extra_path) == 1: |
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path_file = extra_dirs = self.extra_path[0] |
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elif len(self.extra_path) == 2: |
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path_file, extra_dirs = self.extra_path |
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else: |
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raise DistutilsOptionError( |
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"'extra_path' option must be a list, tuple, or " |
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"comma-separated string with 1 or 2 elements") |
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|
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# convert to local form in case Unix notation used (as it |
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# should be in setup scripts) |
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extra_dirs = convert_path(extra_dirs) |
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else: |
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path_file = None |
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extra_dirs = '' |
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# XXX should we warn if path_file and not extra_dirs? (in which |
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# 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), |
|
]
|
|
|