symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/distutils/command/install.py
changeset 1 2fb8b9db1c86
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0:ffa851df0825 1:2fb8b9db1c86
       
     1 """distutils.command.install
       
     2 
       
     3 Implements the Distutils 'install' command."""
       
     4 
       
     5 from distutils import log
       
     6 
       
     7 # This module should be kept compatible with Python 2.1.
       
     8 
       
     9 __revision__ = "$Id: install.py 62788 2008-05-06 22:41:46Z christian.heimes $"
       
    10 
       
    11 import sys, os, string
       
    12 from types import *
       
    13 from distutils.core import Command
       
    14 from distutils.debug import DEBUG
       
    15 from distutils.sysconfig import get_config_vars
       
    16 from distutils.errors import DistutilsPlatformError
       
    17 from distutils.file_util import write_file
       
    18 from distutils.util import convert_path, subst_vars, change_root
       
    19 from distutils.util import get_platform
       
    20 from distutils.errors import DistutilsOptionError
       
    21 from site import USER_BASE
       
    22 from site import USER_SITE
       
    23 
       
    24 
       
    25 if sys.version < "2.2":
       
    26     WINDOWS_SCHEME = {
       
    27         'purelib': '$base',
       
    28         'platlib': '$base',
       
    29         'headers': '$base/Include/$dist_name',
       
    30         'scripts': '$base/Scripts',
       
    31         'data'   : '$base',
       
    32     }
       
    33 else:
       
    34     WINDOWS_SCHEME = {
       
    35         'purelib': '$base/Lib/site-packages',
       
    36         'platlib': '$base/Lib/site-packages',
       
    37         'headers': '$base/Include/$dist_name',
       
    38         'scripts': '$base/Scripts',
       
    39         'data'   : '$base',
       
    40     }
       
    41 
       
    42 INSTALL_SCHEMES = {
       
    43     'unix_prefix': {
       
    44         'purelib': '$base/lib/python$py_version_short/site-packages',
       
    45         'platlib': '$platbase/lib/python$py_version_short/site-packages',
       
    46         'headers': '$base/include/python$py_version_short/$dist_name',
       
    47         'scripts': '$base/bin',
       
    48         'data'   : '$base',
       
    49         },
       
    50     'unix_home': {
       
    51         'purelib': '$base/lib/python',
       
    52         'platlib': '$base/lib/python',
       
    53         'headers': '$base/include/python/$dist_name',
       
    54         'scripts': '$base/bin',
       
    55         'data'   : '$base',
       
    56         },
       
    57     'unix_user': {
       
    58         'purelib': '$usersite',
       
    59         'platlib': '$usersite',
       
    60         'headers': '$userbase/include/python$py_version_short/$dist_name',
       
    61         'scripts': '$userbase/bin',
       
    62         'data'   : '$userbase',
       
    63         },
       
    64     'nt': WINDOWS_SCHEME,
       
    65     'nt_user': {
       
    66         'purelib': '$usersite',
       
    67         'platlib': '$usersite',
       
    68         'headers': '$userbase/Python$py_version_nodot/Include/$dist_name',
       
    69         'scripts': '$userbase/Scripts',
       
    70         'data'   : '$userbase',
       
    71         },
       
    72     'mac': {
       
    73         'purelib': '$base/Lib/site-packages',
       
    74         'platlib': '$base/Lib/site-packages',
       
    75         'headers': '$base/Include/$dist_name',
       
    76         'scripts': '$base/Scripts',
       
    77         'data'   : '$base',
       
    78         },
       
    79     'mac_user': {
       
    80         'purelib': '$usersite',
       
    81         'platlib': '$usersite',
       
    82         'headers': '$userbase/$py_version_short/include/$dist_name',
       
    83         'scripts': '$userbase/bin',
       
    84         'data'   : '$userbase',
       
    85         },
       
    86     'os2': {
       
    87         'purelib': '$base/Lib/site-packages',
       
    88         'platlib': '$base/Lib/site-packages',
       
    89         'headers': '$base/Include/$dist_name',
       
    90         'scripts': '$base/Scripts',
       
    91         'data'   : '$base',
       
    92         },
       
    93     'os2_home': {
       
    94         'purelib': '$usersite',
       
    95         'platlib': '$usersite',
       
    96         'headers': '$userbase/include/python$py_version_short/$dist_name',
       
    97         'scripts': '$userbase/bin',
       
    98         'data'   : '$userbase',
       
    99         },
       
   100     }
       
   101 
       
   102 # The keys to an installation scheme; if any new types of files are to be
       
   103 # installed, be sure to add an entry to every installation scheme above,
       
   104 # and to SCHEME_KEYS here.
       
   105 SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
       
   106 
       
   107 
       
   108 class install (Command):
       
   109 
       
   110     description = "install everything from build directory"
       
   111 
       
   112     user_options = [
       
   113         # Select installation scheme and set base director(y|ies)
       
   114         ('prefix=', None,
       
   115          "installation prefix"),
       
   116         ('exec-prefix=', None,
       
   117          "(Unix only) prefix for platform-specific files"),
       
   118         ('home=', None,
       
   119          "(Unix only) home directory to install under"),
       
   120         ('user', None,
       
   121          "install in user site-package '%s'" % USER_SITE),
       
   122 
       
   123         # Or, just set the base director(y|ies)
       
   124         ('install-base=', None,
       
   125          "base installation directory (instead of --prefix or --home)"),
       
   126         ('install-platbase=', None,
       
   127          "base installation directory for platform-specific files " +
       
   128          "(instead of --exec-prefix or --home)"),
       
   129         ('root=', None,
       
   130          "install everything relative to this alternate root directory"),
       
   131 
       
   132         # Or, explicitly set the installation scheme
       
   133         ('install-purelib=', None,
       
   134          "installation directory for pure Python module distributions"),
       
   135         ('install-platlib=', None,
       
   136          "installation directory for non-pure module distributions"),
       
   137         ('install-lib=', None,
       
   138          "installation directory for all module distributions " +
       
   139          "(overrides --install-purelib and --install-platlib)"),
       
   140 
       
   141         ('install-headers=', None,
       
   142          "installation directory for C/C++ headers"),
       
   143         ('install-scripts=', None,
       
   144          "installation directory for Python scripts"),
       
   145         ('install-data=', None,
       
   146          "installation directory for data files"),
       
   147 
       
   148         # Byte-compilation options -- see install_lib.py for details, as
       
   149         # these are duplicated from there (but only install_lib does
       
   150         # anything with them).
       
   151         ('compile', 'c', "compile .py to .pyc [default]"),
       
   152         ('no-compile', None, "don't compile .py files"),
       
   153         ('optimize=', 'O',
       
   154          "also compile with optimization: -O1 for \"python -O\", "
       
   155          "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
       
   156 
       
   157         # Miscellaneous control options
       
   158         ('force', 'f',
       
   159          "force installation (overwrite any existing files)"),
       
   160         ('skip-build', None,
       
   161          "skip rebuilding everything (for testing/debugging)"),
       
   162 
       
   163         # Where to install documentation (eventually!)
       
   164         #('doc-format=', None, "format of documentation to generate"),
       
   165         #('install-man=', None, "directory for Unix man pages"),
       
   166         #('install-html=', None, "directory for HTML documentation"),
       
   167         #('install-info=', None, "directory for GNU info files"),
       
   168 
       
   169         ('record=', None,
       
   170          "filename in which to record list of installed files"),
       
   171         ]
       
   172 
       
   173     boolean_options = ['compile', 'force', 'skip-build', 'user']
       
   174     negative_opt = {'no-compile' : 'compile'}
       
   175 
       
   176 
       
   177     def initialize_options (self):
       
   178 
       
   179         # High-level options: these select both an installation base
       
   180         # and scheme.
       
   181         self.prefix = None
       
   182         self.exec_prefix = None
       
   183         self.home = None
       
   184         self.user = 0
       
   185 
       
   186         # These select only the installation base; it's up to the user to
       
   187         # specify the installation scheme (currently, that means supplying
       
   188         # the --install-{platlib,purelib,scripts,data} options).
       
   189         self.install_base = None
       
   190         self.install_platbase = None
       
   191         self.root = None
       
   192 
       
   193         # These options are the actual installation directories; if not
       
   194         # supplied by the user, they are filled in using the installation
       
   195         # scheme implied by prefix/exec-prefix/home and the contents of
       
   196         # that installation scheme.
       
   197         self.install_purelib = None     # for pure module distributions
       
   198         self.install_platlib = None     # non-pure (dists w/ extensions)
       
   199         self.install_headers = None     # for C/C++ headers
       
   200         self.install_lib = None         # set to either purelib or platlib
       
   201         self.install_scripts = None
       
   202         self.install_data = None
       
   203         self.install_userbase = USER_BASE
       
   204         self.install_usersite = USER_SITE
       
   205 
       
   206         self.compile = None
       
   207         self.optimize = None
       
   208 
       
   209         # These two are for putting non-packagized distributions into their
       
   210         # own directory and creating a .pth file if it makes sense.
       
   211         # 'extra_path' comes from the setup file; 'install_path_file' can
       
   212         # be turned off if it makes no sense to install a .pth file.  (But
       
   213         # better to install it uselessly than to guess wrong and not
       
   214         # install it when it's necessary and would be used!)  Currently,
       
   215         # 'install_path_file' is always true unless some outsider meddles
       
   216         # with it.
       
   217         self.extra_path = None
       
   218         self.install_path_file = 1
       
   219 
       
   220         # 'force' forces installation, even if target files are not
       
   221         # out-of-date.  'skip_build' skips running the "build" command,
       
   222         # handy if you know it's not necessary.  'warn_dir' (which is *not*
       
   223         # a user option, it's just there so the bdist_* commands can turn
       
   224         # it off) determines whether we warn about installing to a
       
   225         # directory not in sys.path.
       
   226         self.force = 0
       
   227         self.skip_build = 0
       
   228         self.warn_dir = 1
       
   229 
       
   230         # These are only here as a conduit from the 'build' command to the
       
   231         # 'install_*' commands that do the real work.  ('build_base' isn't
       
   232         # actually used anywhere, but it might be useful in future.)  They
       
   233         # are not user options, because if the user told the install
       
   234         # command where the build directory is, that wouldn't affect the
       
   235         # build command.
       
   236         self.build_base = None
       
   237         self.build_lib = None
       
   238 
       
   239         # Not defined yet because we don't know anything about
       
   240         # documentation yet.
       
   241         #self.install_man = None
       
   242         #self.install_html = None
       
   243         #self.install_info = None
       
   244 
       
   245         self.record = None
       
   246 
       
   247 
       
   248     # -- Option finalizing methods -------------------------------------
       
   249     # (This is rather more involved than for most commands,
       
   250     # because this is where the policy for installing third-
       
   251     # party Python modules on various platforms given a wide
       
   252     # array of user input is decided.  Yes, it's quite complex!)
       
   253 
       
   254     def finalize_options (self):
       
   255 
       
   256         # This method (and its pliant slaves, like 'finalize_unix()',
       
   257         # 'finalize_other()', and 'select_scheme()') is where the default
       
   258         # installation directories for modules, extension modules, and
       
   259         # anything else we care to install from a Python module
       
   260         # distribution.  Thus, this code makes a pretty important policy
       
   261         # statement about how third-party stuff is added to a Python
       
   262         # installation!  Note that the actual work of installation is done
       
   263         # by the relatively simple 'install_*' commands; they just take
       
   264         # their orders from the installation directory options determined
       
   265         # here.
       
   266 
       
   267         # Check for errors/inconsistencies in the options; first, stuff
       
   268         # that's wrong on any platform.
       
   269 
       
   270         if ((self.prefix or self.exec_prefix or self.home) and
       
   271             (self.install_base or self.install_platbase)):
       
   272             raise DistutilsOptionError, \
       
   273                   ("must supply either prefix/exec-prefix/home or " +
       
   274                    "install-base/install-platbase -- not both")
       
   275 
       
   276         if self.home and (self.prefix or self.exec_prefix):
       
   277             raise DistutilsOptionError, \
       
   278                   "must supply either home or prefix/exec-prefix -- not both"
       
   279 
       
   280         if self.user and (self.prefix or self.exec_prefix or self.home or
       
   281                 self.install_base or self.install_platbase):
       
   282             raise DistutilsOptionError("can't combine user with with prefix/"
       
   283                                        "exec_prefix/home or install_(plat)base")
       
   284 
       
   285         # Next, stuff that's wrong (or dubious) only on certain platforms.
       
   286         if os.name != "posix":
       
   287             if self.exec_prefix:
       
   288                 self.warn("exec-prefix option ignored on this platform")
       
   289                 self.exec_prefix = None
       
   290 
       
   291         # Now the interesting logic -- so interesting that we farm it out
       
   292         # to other methods.  The goal of these methods is to set the final
       
   293         # values for the install_{lib,scripts,data,...}  options, using as
       
   294         # input a heady brew of prefix, exec_prefix, home, install_base,
       
   295         # install_platbase, user-supplied versions of
       
   296         # install_{purelib,platlib,lib,scripts,data,...}, and the
       
   297         # INSTALL_SCHEME dictionary above.  Phew!
       
   298 
       
   299         self.dump_dirs("pre-finalize_{unix,other}")
       
   300 
       
   301         if os.name == 'posix':
       
   302             self.finalize_unix()
       
   303         else:
       
   304             self.finalize_other()
       
   305 
       
   306         self.dump_dirs("post-finalize_{unix,other}()")
       
   307 
       
   308         # Expand configuration variables, tilde, etc. in self.install_base
       
   309         # and self.install_platbase -- that way, we can use $base or
       
   310         # $platbase in the other installation directories and not worry
       
   311         # about needing recursive variable expansion (shudder).
       
   312 
       
   313         py_version = (string.split(sys.version))[0]
       
   314         (prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
       
   315         self.config_vars = {'dist_name': self.distribution.get_name(),
       
   316                             'dist_version': self.distribution.get_version(),
       
   317                             'dist_fullname': self.distribution.get_fullname(),
       
   318                             'py_version': py_version,
       
   319                             'py_version_short': py_version[0:3],
       
   320                             'py_version_nodot': py_version[0] + py_version[2],
       
   321                             'sys_prefix': prefix,
       
   322                             'prefix': prefix,
       
   323                             'sys_exec_prefix': exec_prefix,
       
   324                             'exec_prefix': exec_prefix,
       
   325                             'userbase': self.install_userbase,
       
   326                             'usersite': self.install_usersite,
       
   327                            }
       
   328         self.expand_basedirs()
       
   329 
       
   330         self.dump_dirs("post-expand_basedirs()")
       
   331 
       
   332         # Now define config vars for the base directories so we can expand
       
   333         # everything else.
       
   334         self.config_vars['base'] = self.install_base
       
   335         self.config_vars['platbase'] = self.install_platbase
       
   336 
       
   337         if DEBUG:
       
   338             from pprint import pprint
       
   339             print "config vars:"
       
   340             pprint(self.config_vars)
       
   341 
       
   342         # Expand "~" and configuration variables in the installation
       
   343         # directories.
       
   344         self.expand_dirs()
       
   345 
       
   346         self.dump_dirs("post-expand_dirs()")
       
   347 
       
   348         # Create directories in the home dir:
       
   349         if self.user:
       
   350             self.create_home_path()
       
   351 
       
   352         # Pick the actual directory to install all modules to: either
       
   353         # install_purelib or install_platlib, depending on whether this
       
   354         # module distribution is pure or not.  Of course, if the user
       
   355         # already specified install_lib, use their selection.
       
   356         if self.install_lib is None:
       
   357             if self.distribution.ext_modules: # has extensions: non-pure
       
   358                 self.install_lib = self.install_platlib
       
   359             else:
       
   360                 self.install_lib = self.install_purelib
       
   361 
       
   362 
       
   363         # Convert directories from Unix /-separated syntax to the local
       
   364         # convention.
       
   365         self.convert_paths('lib', 'purelib', 'platlib',
       
   366                            'scripts', 'data', 'headers',
       
   367                            'userbase', 'usersite')
       
   368 
       
   369         # Well, we're not actually fully completely finalized yet: we still
       
   370         # have to deal with 'extra_path', which is the hack for allowing
       
   371         # non-packagized module distributions (hello, Numerical Python!) to
       
   372         # get their own directories.
       
   373         self.handle_extra_path()
       
   374         self.install_libbase = self.install_lib # needed for .pth file
       
   375         self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
       
   376 
       
   377         # If a new root directory was supplied, make all the installation
       
   378         # dirs relative to it.
       
   379         if self.root is not None:
       
   380             self.change_roots('libbase', 'lib', 'purelib', 'platlib',
       
   381                               'scripts', 'data', 'headers')
       
   382 
       
   383         self.dump_dirs("after prepending root")
       
   384 
       
   385         # Find out the build directories, ie. where to install from.
       
   386         self.set_undefined_options('build',
       
   387                                    ('build_base', 'build_base'),
       
   388                                    ('build_lib', 'build_lib'))
       
   389 
       
   390         # Punt on doc directories for now -- after all, we're punting on
       
   391         # documentation completely!
       
   392 
       
   393     # finalize_options ()
       
   394 
       
   395 
       
   396     def dump_dirs (self, msg):
       
   397         if DEBUG:
       
   398             from distutils.fancy_getopt import longopt_xlate
       
   399             print msg + ":"
       
   400             for opt in self.user_options:
       
   401                 opt_name = opt[0]
       
   402                 if opt_name[-1] == "=":
       
   403                     opt_name = opt_name[0:-1]
       
   404                 if opt_name in self.negative_opt:
       
   405                     opt_name = string.translate(self.negative_opt[opt_name],
       
   406                                                 longopt_xlate)
       
   407                     val = not getattr(self, opt_name)
       
   408                 else:
       
   409                     opt_name = string.translate(opt_name, longopt_xlate)
       
   410                     val = getattr(self, opt_name)
       
   411                 print "  %s: %s" % (opt_name, val)
       
   412 
       
   413 
       
   414     def finalize_unix (self):
       
   415 
       
   416         if self.install_base is not None or self.install_platbase is not None:
       
   417             if ((self.install_lib is None and
       
   418                  self.install_purelib is None and
       
   419                  self.install_platlib is None) or
       
   420                 self.install_headers is None or
       
   421                 self.install_scripts is None or
       
   422                 self.install_data is None):
       
   423                 raise DistutilsOptionError, \
       
   424                       ("install-base or install-platbase supplied, but "
       
   425                       "installation scheme is incomplete")
       
   426             return
       
   427 
       
   428         if self.user:
       
   429             if self.install_userbase is None:
       
   430                 raise DistutilsPlatformError(
       
   431                     "User base directory is not specified")
       
   432             self.install_base = self.install_platbase = self.install_userbase
       
   433             self.select_scheme("unix_user")
       
   434         elif self.home is not None:
       
   435             self.install_base = self.install_platbase = self.home
       
   436             self.select_scheme("unix_home")
       
   437         else:
       
   438             if self.prefix is None:
       
   439                 if self.exec_prefix is not None:
       
   440                     raise DistutilsOptionError, \
       
   441                           "must not supply exec-prefix without prefix"
       
   442 
       
   443                 self.prefix = os.path.normpath(sys.prefix)
       
   444                 self.exec_prefix = os.path.normpath(sys.exec_prefix)
       
   445 
       
   446             else:
       
   447                 if self.exec_prefix is None:
       
   448                     self.exec_prefix = self.prefix
       
   449 
       
   450             self.install_base = self.prefix
       
   451             self.install_platbase = self.exec_prefix
       
   452             self.select_scheme("unix_prefix")
       
   453 
       
   454     # finalize_unix ()
       
   455 
       
   456 
       
   457     def finalize_other (self):          # Windows and Mac OS for now
       
   458 
       
   459         if self.user:
       
   460             if self.install_userbase is None:
       
   461                 raise DistutilsPlatformError(
       
   462                     "User base directory is not specified")
       
   463             self.install_base = self.install_platbase = self.install_userbase
       
   464             self.select_scheme(os.name + "_user")
       
   465         elif self.home is not None:
       
   466             self.install_base = self.install_platbase = self.home
       
   467             self.select_scheme("unix_home")
       
   468         else:
       
   469             if self.prefix is None:
       
   470                 self.prefix = os.path.normpath(sys.prefix)
       
   471 
       
   472             self.install_base = self.install_platbase = self.prefix
       
   473             try:
       
   474                 self.select_scheme(os.name)
       
   475             except KeyError:
       
   476                 raise DistutilsPlatformError, \
       
   477                       "I don't know how to install stuff on '%s'" % os.name
       
   478 
       
   479     # finalize_other ()
       
   480 
       
   481 
       
   482     def select_scheme (self, name):
       
   483         # it's the caller's problem if they supply a bad name!
       
   484         scheme = INSTALL_SCHEMES[name]
       
   485         for key in SCHEME_KEYS:
       
   486             attrname = 'install_' + key
       
   487             if getattr(self, attrname) is None:
       
   488                 setattr(self, attrname, scheme[key])
       
   489 
       
   490 
       
   491     def _expand_attrs (self, attrs):
       
   492         for attr in attrs:
       
   493             val = getattr(self, attr)
       
   494             if val is not None:
       
   495                 if os.name == 'posix' or os.name == 'nt':
       
   496                     val = os.path.expanduser(val)
       
   497                 val = subst_vars(val, self.config_vars)
       
   498                 setattr(self, attr, val)
       
   499 
       
   500 
       
   501     def expand_basedirs (self):
       
   502         self._expand_attrs(['install_base',
       
   503                             'install_platbase',
       
   504                             'root'])
       
   505 
       
   506     def expand_dirs (self):
       
   507         self._expand_attrs(['install_purelib',
       
   508                             'install_platlib',
       
   509                             'install_lib',
       
   510                             'install_headers',
       
   511                             'install_scripts',
       
   512                             'install_data',])
       
   513 
       
   514 
       
   515     def convert_paths (self, *names):
       
   516         for name in names:
       
   517             attr = "install_" + name
       
   518             setattr(self, attr, convert_path(getattr(self, attr)))
       
   519 
       
   520 
       
   521     def handle_extra_path (self):
       
   522 
       
   523         if self.extra_path is None:
       
   524             self.extra_path = self.distribution.extra_path
       
   525 
       
   526         if self.extra_path is not None:
       
   527             if type(self.extra_path) is StringType:
       
   528                 self.extra_path = string.split(self.extra_path, ',')
       
   529 
       
   530             if len(self.extra_path) == 1:
       
   531                 path_file = extra_dirs = self.extra_path[0]
       
   532             elif len(self.extra_path) == 2:
       
   533                 (path_file, extra_dirs) = self.extra_path
       
   534             else:
       
   535                 raise DistutilsOptionError, \
       
   536                       ("'extra_path' option must be a list, tuple, or "
       
   537                       "comma-separated string with 1 or 2 elements")
       
   538 
       
   539             # convert to local form in case Unix notation used (as it
       
   540             # should be in setup scripts)
       
   541             extra_dirs = convert_path(extra_dirs)
       
   542 
       
   543         else:
       
   544             path_file = None
       
   545             extra_dirs = ''
       
   546 
       
   547         # XXX should we warn if path_file and not extra_dirs? (in which
       
   548         # case the path file would be harmless but pointless)
       
   549         self.path_file = path_file
       
   550         self.extra_dirs = extra_dirs
       
   551 
       
   552     # handle_extra_path ()
       
   553 
       
   554 
       
   555     def change_roots (self, *names):
       
   556         for name in names:
       
   557             attr = "install_" + name
       
   558             setattr(self, attr, change_root(self.root, getattr(self, attr)))
       
   559 
       
   560     def create_home_path(self):
       
   561         """Create directories under ~
       
   562         """
       
   563         if not self.user:
       
   564             return
       
   565         home = convert_path(os.path.expanduser("~"))
       
   566         for name, path in self.config_vars.iteritems():
       
   567             if path.startswith(home) and not os.path.isdir(path):
       
   568                 self.debug_print("os.makedirs('%s', 0700)" % path)
       
   569                 os.makedirs(path, 0700)
       
   570 
       
   571     # -- Command execution methods -------------------------------------
       
   572 
       
   573     def run (self):
       
   574 
       
   575         # Obviously have to build before we can install
       
   576         if not self.skip_build:
       
   577             self.run_command('build')
       
   578             # If we built for any other platform, we can't install.
       
   579             build_plat = self.distribution.get_command_obj('build').plat_name
       
   580             # check warn_dir - it is a clue that the 'install' is happening
       
   581             # internally, and not to sys.path, so we don't check the platform
       
   582             # matches what we are running.
       
   583             if self.warn_dir and build_plat != get_platform():
       
   584                 raise DistutilsPlatformError("Can't install when "
       
   585                                              "cross-compiling")
       
   586 
       
   587         # Run all sub-commands (at least those that need to be run)
       
   588         for cmd_name in self.get_sub_commands():
       
   589             self.run_command(cmd_name)
       
   590 
       
   591         if self.path_file:
       
   592             self.create_path_file()
       
   593 
       
   594         # write list of installed files, if requested.
       
   595         if self.record:
       
   596             outputs = self.get_outputs()
       
   597             if self.root:               # strip any package prefix
       
   598                 root_len = len(self.root)
       
   599                 for counter in xrange(len(outputs)):
       
   600                     outputs[counter] = outputs[counter][root_len:]
       
   601             self.execute(write_file,
       
   602                          (self.record, outputs),
       
   603                          "writing list of installed files to '%s'" %
       
   604                          self.record)
       
   605 
       
   606         sys_path = map(os.path.normpath, sys.path)
       
   607         sys_path = map(os.path.normcase, sys_path)
       
   608         install_lib = os.path.normcase(os.path.normpath(self.install_lib))
       
   609         if (self.warn_dir and
       
   610             not (self.path_file and self.install_path_file) and
       
   611             install_lib not in sys_path):
       
   612             log.debug(("modules installed to '%s', which is not in "
       
   613                        "Python's module search path (sys.path) -- "
       
   614                        "you'll have to change the search path yourself"),
       
   615                        self.install_lib)
       
   616 
       
   617     # run ()
       
   618 
       
   619     def create_path_file (self):
       
   620         filename = os.path.join(self.install_libbase,
       
   621                                 self.path_file + ".pth")
       
   622         if self.install_path_file:
       
   623             self.execute(write_file,
       
   624                          (filename, [self.extra_dirs]),
       
   625                          "creating %s" % filename)
       
   626         else:
       
   627             self.warn("path file '%s' not created" % filename)
       
   628 
       
   629 
       
   630     # -- Reporting methods ---------------------------------------------
       
   631 
       
   632     def get_outputs (self):
       
   633         # Assemble the outputs of all the sub-commands.
       
   634         outputs = []
       
   635         for cmd_name in self.get_sub_commands():
       
   636             cmd = self.get_finalized_command(cmd_name)
       
   637             # Add the contents of cmd.get_outputs(), ensuring
       
   638             # that outputs doesn't contain duplicate entries
       
   639             for filename in cmd.get_outputs():
       
   640                 if filename not in outputs:
       
   641                     outputs.append(filename)
       
   642 
       
   643         if self.path_file and self.install_path_file:
       
   644             outputs.append(os.path.join(self.install_libbase,
       
   645                                         self.path_file + ".pth"))
       
   646 
       
   647         return outputs
       
   648 
       
   649     def get_inputs (self):
       
   650         # XXX gee, this looks familiar ;-(
       
   651         inputs = []
       
   652         for cmd_name in self.get_sub_commands():
       
   653             cmd = self.get_finalized_command(cmd_name)
       
   654             inputs.extend(cmd.get_inputs())
       
   655 
       
   656         return inputs
       
   657 
       
   658 
       
   659     # -- Predicates for sub-command list -------------------------------
       
   660 
       
   661     def has_lib (self):
       
   662         """Return true if the current distribution has any Python
       
   663         modules to install."""
       
   664         return (self.distribution.has_pure_modules() or
       
   665                 self.distribution.has_ext_modules())
       
   666 
       
   667     def has_headers (self):
       
   668         return self.distribution.has_headers()
       
   669 
       
   670     def has_scripts (self):
       
   671         return self.distribution.has_scripts()
       
   672 
       
   673     def has_data (self):
       
   674         return self.distribution.has_data_files()
       
   675 
       
   676 
       
   677     # 'sub_commands': a list of commands this command might have to run to
       
   678     # get its work done.  See cmd.py for more info.
       
   679     sub_commands = [('install_lib',     has_lib),
       
   680                     ('install_headers', has_headers),
       
   681                     ('install_scripts', has_scripts),
       
   682                     ('install_data',    has_data),
       
   683                     ('install_egg_info', lambda self:True),
       
   684                    ]
       
   685 
       
   686 # class install