mirror of https://github.com/python/cpython.git
266 lines
10 KiB
Python
266 lines
10 KiB
Python
"""distutils.command.install
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Implements the Distutils 'install' command."""
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# created 1999/03/13, Greg Ward
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__rcsid__ = "$Id$"
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import sys, os, string
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from types import *
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from distutils.core import Command
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from distutils.util import write_file
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from distutils.errors import DistutilsOptionError
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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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('prefix=', None, "installation prefix"),
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('exec-prefix=', None,
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"prefix for platform-specific files"),
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# Installation directories: where to put modules and packages
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('install-lib=', None,
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"base Python library directory"),
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('install-platlib=', None,
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"platform-specific Python library directory"),
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('install-path=', None,
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"extra intervening directories to put below install-lib"),
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# Build directories: where to find the files to install
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('build-base=', None,
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"base build directory"),
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('build-lib=', None,
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"build directory for pure Python modules"),
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('build-platlib=', None,
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"build directory for extension modules"),
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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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# Flags for 'build_py'
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#('compile-py', None, "compile .py to .pyc"),
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#('optimize-py', None, "compile .py to .pyo (optimized)"),
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]
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def initialize_options (self):
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# Don't define 'prefix' or 'exec_prefix' so we can know when the
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# command is run whether the user supplied values
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self.prefix = None
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self.exec_prefix = None
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# The actual installation directories are determined only at
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# run-time, so the user can supply just prefix (and exec_prefix?)
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# as a base for everything else
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self.install_lib = None
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self.install_platlib = None
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self.install_path = None
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self.build_base = None
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self.build_lib = None
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self.build_platlib = None
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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.compile_py = 1
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self.optimize_py = 1
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def finalize_options (self):
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# XXX this method is where the default installation directories
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# for modules and extension modules are determined. (Someday,
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# the default installation directories for scripts,
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# documentation, and whatever else the Distutils can build and
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# install will also be determined here.) Thus, this is a pretty
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# important place to fiddle with for anyone interested in
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# installation schemes for the Python library. Issues that
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# are not yet resolved to my satisfaction:
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# * how much platform dependence should be here, and
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# how much can be pushed off to sysconfig (or, better, the
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# Makefiles parsed by sysconfig)?
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# * how independent of Python version should this be -- ie.
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# should we have special cases to handle Python 1.5 and
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# older, and then do it "the right way" for 1.6? Or should
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# we install a site.py along with Distutils under pre-1.6
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# Python to take care of the current deficiencies in
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# Python's library installation scheme?
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#
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# Currently, this method has hacks to distinguish POSIX from
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# non-POSIX systems (for installation of site-local modules),
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# and assumes the Python 1.5 installation tree with no site.py
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# to fix things.
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# Figure out actual installation directories; the basic principle
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# is: ...
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sys_prefix = os.path.normpath (sys.prefix)
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sys_exec_prefix = os.path.normpath (sys.exec_prefix)
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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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"you may not supply exec_prefix without prefix"
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self.prefix = sys_prefix
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else:
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# This is handy to guarantee that self.prefix is normalized --
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# but it could be construed as rude to go normalizing a
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# user-supplied path (they might like to see their "../" or
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# symlinks in the installation feedback).
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self.prefix = os.path.normpath (self.prefix)
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if self.exec_prefix is None:
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if self.prefix == sys_prefix:
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self.exec_prefix = sys_exec_prefix
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else:
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self.exec_prefix = self.prefix
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else:
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# Same as above about handy versus rude to normalize user's
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# exec_prefix.
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self.exec_prefix = os.path.normpath (self.exec_prefix)
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if self.distribution.ext_modules: # any extensions to install?
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effective_prefix = self.exec_prefix
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else:
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effective_prefix = self.prefix
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if os.name == 'posix':
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if self.install_lib is None:
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if self.prefix == sys_prefix:
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self.install_lib = \
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os.path.join (effective_prefix,
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"lib",
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"python" + sys.version[:3],
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"site-packages")
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else:
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self.install_lib = \
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os.path.join (effective_prefix,
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"lib",
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"python") # + sys.version[:3] ???
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# end if self.install_lib ...
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if self.install_platlib is None:
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if self.exec_prefix == sys_exec_prefix:
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self.install_platlib = \
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os.path.join (effective_prefix,
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"lib",
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"python" + sys.version[:3],
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"site-packages")
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else:
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self.install_platlib = \
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os.path.join (effective_prefix,
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"lib",
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"python") # + sys.version[:3] ???
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# end if self.install_platlib ...
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else:
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raise DistutilsPlatformError, \
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"duh, I'm clueless (for now) about installing on %s" % os.name
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# end if/else on os.name
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# 'path_file' and 'extra_dirs' are how we handle distributions that
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# want to be installed to their own directory, but aren't
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# package-ized yet. 'extra_dirs' is just a directory under
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# 'install_lib' or 'install_platlib' where top-level modules will
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# actually be installed; 'path_file' is the basename of a .pth file
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# to drop in 'install_lib' or 'install_platlib' (depending on the
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# distribution). Very often they will be the same, which is why we
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# allow them to be supplied as a string or 1-tuple as well as a
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# 2-element comma-separated string or a 2-tuple.
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# XXX this will drop a .pth file in install_{lib,platlib} even if
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# they're not one of the site-packages directories: this is wrong!
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# we need to suppress path_file in those cases, and warn if
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# "install_lib/extra_dirs" is not in sys.path.
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if self.install_path is None:
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self.install_path = self.distribution.install_path
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if self.install_path is not None:
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if type (self.install_path) is StringType:
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self.install_path = string.split (self.install_path, ',')
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if len (self.install_path) == 1:
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path_file = extra_dirs = self.install_path[0]
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elif len (self.install_path) == 2:
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(path_file, extra_dirs) = self.install_path
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else:
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raise DistutilsOptionError, \
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"'install_path' option must be a list, tuple, or " + \
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"comma-separated string with 1 or 2 elements"
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# install path has slashes in it -- might need to convert to
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# local form
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if string.find (extra_dirs, '/') and os.name != "posix":
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extra_dirs = string.split (extra_dirs, '/')
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extra_dirs = apply (os.path.join, 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 case
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# the path file would be harmless but pointless)
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self.path_file = path_file
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self.extra_dirs = extra_dirs
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# Figure out the build directories, ie. where to install from
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self.set_peer_option ('build', 'build_base', self.build_base)
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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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('build_platlib', 'build_platlib'))
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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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# finalize_options ()
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def run (self):
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# Obviously have to build before we can install
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self.run_peer ('build')
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# Install modules in two steps: "platform-shared" files (ie. pure
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# Python modules) and platform-specific files (compiled C
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# extensions). Note that 'install_py' is smart enough to install
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# pure Python modules in the "platlib" directory if we built any
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# extensions.
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if self.distribution.packages or self.distribution.py_modules:
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self.run_peer ('install_py')
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if self.distribution.ext_modules:
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self.run_peer ('install_ext')
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if self.path_file:
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self.create_path_file ()
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# run ()
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def create_path_file (self):
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if self.distribution.ext_modules:
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base = self.platbase
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else:
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base = self.base
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filename = os.path.join (base, self.path_file + ".pth")
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self.execute (write_file,
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(filename, [self.extra_dirs]),
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"creating %s" % filename)
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# class Install
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