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c:\python24\lib \ distutils \ command \ install.py



0001 """distutils.command.install
0002 
0003 Implements the Distutils 'install' command."""
0004 
0005 from distutils import log
0006 
0007 # This module should be kept compatible with Python 1.5.2.
0008 
0009 __revision__ = "$Id: install.py,v 1.71 2004/10/13 12:35:28 anthonybaxter Exp $"
0010 
0011 import sys, os, string
0012 from types import *
0013 from distutils.core import Command
0014 from distutils.debug import DEBUG
0015 from distutils.sysconfig import get_config_vars
0016 from distutils.errors import DistutilsPlatformError
0017 from distutils.file_util import write_file
0018 from distutils.util import convert_path, subst_vars, change_root
0019 from distutils.errors import DistutilsOptionError
0020 from glob import glob
0021 
0022 if sys.version < "2.2":
0023     WINDOWS_SCHEME = {
0024         'purelib': '$base',
0025         'platlib': '$base',
0026         'headers': '$base/Include/$dist_name',
0027         'scripts': '$base/Scripts',
0028         'data'   : '$base',
0029     }
0030 else:
0031     WINDOWS_SCHEME = {
0032         'purelib': '$base/Lib/site-packages',
0033         'platlib': '$base/Lib/site-packages',
0034         'headers': '$base/Include/$dist_name',
0035         'scripts': '$base/Scripts',
0036         'data'   : '$base',
0037     }
0038 
0039 INSTALL_SCHEMES = {
0040     'unix_prefix': {
0041         'purelib': '$base/lib/python$py_version_short/site-packages',
0042         'platlib': '$platbase/lib/python$py_version_short/site-packages',
0043         'headers': '$base/include/python$py_version_short/$dist_name',
0044         'scripts': '$base/bin',
0045         'data'   : '$base',
0046         },
0047     'unix_home': {
0048         'purelib': '$base/lib/python',
0049         'platlib': '$base/lib/python',
0050         'headers': '$base/include/python/$dist_name',
0051         'scripts': '$base/bin',
0052         'data'   : '$base',
0053         },
0054     'nt': WINDOWS_SCHEME,
0055     'mac': {
0056         'purelib': '$base/Lib/site-packages',
0057         'platlib': '$base/Lib/site-packages',
0058         'headers': '$base/Include/$dist_name',
0059         'scripts': '$base/Scripts',
0060         'data'   : '$base',
0061         },
0062     'os2': {
0063         'purelib': '$base/Lib/site-packages',
0064         'platlib': '$base/Lib/site-packages',
0065         'headers': '$base/Include/$dist_name',
0066         'scripts': '$base/Scripts',
0067         'data'   : '$base',
0068         }
0069     }
0070 
0071 # The keys to an installation scheme; if any new types of files are to be
0072 # installed, be sure to add an entry to every installation scheme above,
0073 # and to SCHEME_KEYS here.
0074 SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
0075 
0076 
0077 class install (Command):
0078 
0079     description = "install everything from build directory"
0080 
0081     user_options = [
0082         # Select installation scheme and set base director(y|ies)
0083         ('prefix=', None,
0084          "installation prefix"),
0085         ('exec-prefix=', None,
0086          "(Unix only) prefix for platform-specific files"),
0087         ('home=', None,
0088          "(Unix only) home directory to install under"),
0089 
0090         # Or, just set the base director(y|ies)
0091         ('install-base=', None,
0092          "base installation directory (instead of --prefix or --home)"),
0093         ('install-platbase=', None,
0094          "base installation directory for platform-specific files " +
0095          "(instead of --exec-prefix or --home)"),
0096         ('root=', None,
0097          "install everything relative to this alternate root directory"),
0098 
0099         # Or, explicitly set the installation scheme
0100         ('install-purelib=', None,
0101          "installation directory for pure Python module distributions"),
0102         ('install-platlib=', None,
0103          "installation directory for non-pure module distributions"),
0104         ('install-lib=', None,
0105          "installation directory for all module distributions " +
0106          "(overrides --install-purelib and --install-platlib)"),
0107 
0108         ('install-headers=', None,
0109          "installation directory for C/C++ headers"),
0110         ('install-scripts=', None,
0111          "installation directory for Python scripts"),
0112         ('install-data=', None,
0113          "installation directory for data files"),
0114 
0115         # Byte-compilation options -- see install_lib.py for details, as
0116         # these are duplicated from there (but only install_lib does
0117         # anything with them).
0118         ('compile', 'c', "compile .py to .pyc [default]"),
0119         ('no-compile', None, "don't compile .py files"),
0120         ('optimize=', 'O',
0121          "also compile with optimization: -O1 for \"python -O\", "
0122          "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
0123 
0124         # Miscellaneous control options
0125         ('force', 'f',
0126          "force installation (overwrite any existing files)"),
0127         ('skip-build', None,
0128          "skip rebuilding everything (for testing/debugging)"),
0129 
0130         # Where to install documentation (eventually!)
0131         #('doc-format=', None, "format of documentation to generate"),
0132         #('install-man=', None, "directory for Unix man pages"),
0133         #('install-html=', None, "directory for HTML documentation"),
0134         #('install-info=', None, "directory for GNU info files"),
0135 
0136         ('record=', None,
0137          "filename in which to record list of installed files"),
0138         ]
0139 
0140     boolean_options = ['compile', 'force', 'skip-build']
0141     negative_opt = {'no-compile' : 'compile'}
0142 
0143 
0144     def initialize_options (self):
0145 
0146         # High-level options: these select both an installation base
0147         # and scheme.
0148         self.prefix = None
0149         self.exec_prefix = None
0150         self.home = None
0151 
0152         # These select only the installation base; it's up to the user to
0153         # specify the installation scheme (currently, that means supplying
0154         # the --install-{platlib,purelib,scripts,data} options).
0155         self.install_base = None
0156         self.install_platbase = None
0157         self.root = None
0158 
0159         # These options are the actual installation directories; if not
0160         # supplied by the user, they are filled in using the installation
0161         # scheme implied by prefix/exec-prefix/home and the contents of
0162         # that installation scheme.
0163         self.install_purelib = None     # for pure module distributions
0164         self.install_platlib = None     # non-pure (dists w/ extensions)
0165         self.install_headers = None     # for C/C++ headers
0166         self.install_lib = None         # set to either purelib or platlib
0167         self.install_scripts = None
0168         self.install_data = None
0169 
0170         self.compile = None
0171         self.optimize = None
0172 
0173         # These two are for putting non-packagized distributions into their
0174         # own directory and creating a .pth file if it makes sense.
0175         # 'extra_path' comes from the setup file; 'install_path_file' can
0176         # be turned off if it makes no sense to install a .pth file.  (But
0177         # better to install it uselessly than to guess wrong and not
0178         # install it when it's necessary and would be used!)  Currently,
0179         # 'install_path_file' is always true unless some outsider meddles
0180         # with it.
0181         self.extra_path = None
0182         self.install_path_file = 1
0183 
0184         # 'force' forces installation, even if target files are not
0185         # out-of-date.  'skip_build' skips running the "build" command,
0186         # handy if you know it's not necessary.  'warn_dir' (which is *not*
0187         # a user option, it's just there so the bdist_* commands can turn
0188         # it off) determines whether we warn about installing to a
0189         # directory not in sys.path.
0190         self.force = 0
0191         self.skip_build = 0
0192         self.warn_dir = 1
0193 
0194         # These are only here as a conduit from the 'build' command to the
0195         # 'install_*' commands that do the real work.  ('build_base' isn't
0196         # actually used anywhere, but it might be useful in future.)  They
0197         # are not user options, because if the user told the install
0198         # command where the build directory is, that wouldn't affect the
0199         # build command.
0200         self.build_base = None
0201         self.build_lib = None
0202 
0203         # Not defined yet because we don't know anything about
0204         # documentation yet.
0205         #self.install_man = None
0206         #self.install_html = None
0207         #self.install_info = None
0208 
0209         self.record = None
0210 
0211 
0212     # -- Option finalizing methods -------------------------------------
0213     # (This is rather more involved than for most commands,
0214     # because this is where the policy for installing third-
0215     # party Python modules on various platforms given a wide
0216     # array of user input is decided.  Yes, it's quite complex!)
0217 
0218     def finalize_options (self):
0219 
0220         # This method (and its pliant slaves, like 'finalize_unix()',
0221         # 'finalize_other()', and 'select_scheme()') is where the default
0222         # installation directories for modules, extension modules, and
0223         # anything else we care to install from a Python module
0224         # distribution.  Thus, this code makes a pretty important policy
0225         # statement about how third-party stuff is added to a Python
0226         # installation!  Note that the actual work of installation is done
0227         # by the relatively simple 'install_*' commands; they just take
0228         # their orders from the installation directory options determined
0229         # here.
0230 
0231         # Check for errors/inconsistencies in the options; first, stuff
0232         # that's wrong on any platform.
0233 
0234         if ((self.prefix or self.exec_prefix or self.home) and
0235             (self.install_base or self.install_platbase)):
0236             raise DistutilsOptionError, \
0237                   ("must supply either prefix/exec-prefix/home or " +
0238                    "install-base/install-platbase -- not both")
0239 
0240         if self.home and (self.prefix or self.exec_prefix):
0241             raise DistutilsOptionError, \
0242                   "must supply either home or prefix/exec-prefix -- not both"
0243 
0244         # Next, stuff that's wrong (or dubious) only on certain platforms.
0245         if os.name != "posix":
0246             if self.exec_prefix:
0247                 self.warn("exec-prefix option ignored on this platform")
0248                 self.exec_prefix = None
0249 
0250         # Now the interesting logic -- so interesting that we farm it out
0251         # to other methods.  The goal of these methods is to set the final
0252         # values for the install_{lib,scripts,data,...}  options, using as
0253         # input a heady brew of prefix, exec_prefix, home, install_base,
0254         # install_platbase, user-supplied versions of
0255         # install_{purelib,platlib,lib,scripts,data,...}, and the
0256         # INSTALL_SCHEME dictionary above.  Phew!
0257 
0258         self.dump_dirs("pre-finalize_{unix,other}")
0259 
0260         if os.name == 'posix':
0261             self.finalize_unix()
0262         else:
0263             self.finalize_other()
0264 
0265         self.dump_dirs("post-finalize_{unix,other}()")
0266 
0267         # Expand configuration variables, tilde, etc. in self.install_base
0268         # and self.install_platbase -- that way, we can use $base or
0269         # $platbase in the other installation directories and not worry
0270         # about needing recursive variable expansion (shudder).
0271 
0272         py_version = (string.split(sys.version))[0]
0273         (prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
0274         self.config_vars = {'dist_name': self.distribution.get_name(),
0275                             'dist_version': self.distribution.get_version(),
0276                             'dist_fullname': self.distribution.get_fullname(),
0277                             'py_version': py_version,
0278                             'py_version_short': py_version[0:3],
0279                             'sys_prefix': prefix,
0280                             'prefix': prefix,
0281                             'sys_exec_prefix': exec_prefix,
0282                             'exec_prefix': exec_prefix,
0283                            }
0284         self.expand_basedirs()
0285 
0286         self.dump_dirs("post-expand_basedirs()")
0287 
0288         # Now define config vars for the base directories so we can expand
0289         # everything else.
0290         self.config_vars['base'] = self.install_base
0291         self.config_vars['platbase'] = self.install_platbase
0292 
0293         if DEBUG:
0294             from pprint import pprint
0295             print "config vars:"
0296             pprint(self.config_vars)
0297 
0298         # Expand "~" and configuration variables in the installation
0299         # directories.
0300         self.expand_dirs()
0301 
0302         self.dump_dirs("post-expand_dirs()")
0303 
0304         # Pick the actual directory to install all modules to: either
0305         # install_purelib or install_platlib, depending on whether this
0306         # module distribution is pure or not.  Of course, if the user
0307         # already specified install_lib, use their selection.
0308         if self.install_lib is None:
0309             if self.distribution.ext_modules: # has extensions: non-pure
0310                 self.install_lib = self.install_platlib
0311             else:
0312                 self.install_lib = self.install_purelib
0313 
0314 
0315         # Convert directories from Unix /-separated syntax to the local
0316         # convention.
0317         self.convert_paths('lib', 'purelib', 'platlib',
0318                            'scripts', 'data', 'headers')
0319 
0320         # Well, we're not actually fully completely finalized yet: we still
0321         # have to deal with 'extra_path', which is the hack for allowing
0322         # non-packagized module distributions (hello, Numerical Python!) to
0323         # get their own directories.
0324         self.handle_extra_path()
0325         self.install_libbase = self.install_lib # needed for .pth file
0326         self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
0327 
0328         # If a new root directory was supplied, make all the installation
0329         # dirs relative to it.
0330         if self.root is not None:
0331             self.change_roots('libbase', 'lib', 'purelib', 'platlib',
0332                               'scripts', 'data', 'headers')
0333 
0334         self.dump_dirs("after prepending root")
0335 
0336         # Find out the build directories, ie. where to install from.
0337         self.set_undefined_options('build',
0338                                    ('build_base', 'build_base'),
0339                                    ('build_lib', 'build_lib'))
0340 
0341         # Punt on doc directories for now -- after all, we're punting on
0342         # documentation completely!
0343 
0344     # finalize_options ()
0345 
0346 
0347     def dump_dirs (self, msg):
0348         if DEBUG:
0349             from distutils.fancy_getopt import longopt_xlate
0350             print msg + ":"
0351             for opt in self.user_options:
0352                 opt_name = opt[0]
0353                 if opt_name[-1] == "=":
0354                     opt_name = opt_name[0:-1]
0355                 opt_name = string.translate(opt_name, longopt_xlate)
0356                 val = getattr(self, opt_name)
0357                 print "  %s: %s" % (opt_name, val)
0358 
0359 
0360     def finalize_unix (self):
0361 
0362         if self.install_base is not None or self.install_platbase is not None:
0363             if ((self.install_lib is None and
0364                  self.install_purelib is None and
0365                  self.install_platlib is None) or
0366                 self.install_headers is None or
0367                 self.install_scripts is None or
0368                 self.install_data is None):
0369                 raise DistutilsOptionError, \
0370                       ("install-base or install-platbase supplied, but "
0371                       "installation scheme is incomplete")
0372             return
0373 
0374         if self.home is not None:
0375             self.install_base = self.install_platbase = self.home
0376             self.select_scheme("unix_home")
0377         else:
0378             if self.prefix is None:
0379                 if self.exec_prefix is not None:
0380                     raise DistutilsOptionError, \
0381                           "must not supply exec-prefix without prefix"
0382 
0383                 self.prefix = os.path.normpath(sys.prefix)
0384                 self.exec_prefix = os.path.normpath(sys.exec_prefix)
0385 
0386             else:
0387                 if self.exec_prefix is None:
0388                     self.exec_prefix = self.prefix
0389 
0390             self.install_base = self.prefix
0391             self.install_platbase = self.exec_prefix
0392             self.select_scheme("unix_prefix")
0393 
0394     # finalize_unix ()
0395 
0396 
0397     def finalize_other (self):          # Windows and Mac OS for now
0398 
0399         if self.home is not None:
0400             self.install_base = self.install_platbase = self.home
0401             self.select_scheme("unix_home")
0402         else:
0403             if self.prefix is None:
0404                 self.prefix = os.path.normpath(sys.prefix)
0405 
0406             self.install_base = self.install_platbase = self.prefix
0407             try:
0408                 self.select_scheme(os.name)
0409             except KeyError:
0410                 raise DistutilsPlatformError, \
0411                       "I don't know how to install stuff on '%s'" % os.name
0412 
0413     # finalize_other ()
0414 
0415 
0416     def select_scheme (self, name):
0417         # it's the caller's problem if they supply a bad name!
0418         scheme = INSTALL_SCHEMES[name]
0419         for key in SCHEME_KEYS:
0420             attrname = 'install_' + key
0421             if getattr(self, attrname) is None:
0422                 setattr(self, attrname, scheme[key])
0423 
0424 
0425     def _expand_attrs (self, attrs):
0426         for attr in attrs:
0427             val = getattr(self, attr)
0428             if val is not None:
0429                 if os.name == 'posix':
0430                     val = os.path.expanduser(val)
0431                 val = subst_vars(val, self.config_vars)
0432                 setattr(self, attr, val)
0433 
0434 
0435     def expand_basedirs (self):
0436         self._expand_attrs(['install_base',
0437                             'install_platbase',
0438                             'root'])
0439 
0440     def expand_dirs (self):
0441         self._expand_attrs(['install_purelib',
0442                             'install_platlib',
0443                             'install_lib',
0444                             'install_headers',
0445                             'install_scripts',
0446                             'install_data',])
0447 
0448 
0449     def convert_paths (self, *names):
0450         for name in names:
0451             attr = "install_" + name
0452             setattr(self, attr, convert_path(getattr(self, attr)))
0453 
0454 
0455     def handle_extra_path (self):
0456 
0457         if self.extra_path is None:
0458             self.extra_path = self.distribution.extra_path
0459 
0460         if self.extra_path is not None:
0461             if type(self.extra_path) is StringType:
0462                 self.extra_path = string.split(self.extra_path, ',')
0463 
0464             if len(self.extra_path) == 1:
0465                 path_file = extra_dirs = self.extra_path[0]
0466             elif len(self.extra_path) == 2:
0467                 (path_file, extra_dirs) = self.extra_path
0468             else:
0469                 raise DistutilsOptionError, \
0470                       ("'extra_path' option must be a list, tuple, or "
0471                       "comma-separated string with 1 or 2 elements")
0472 
0473             # convert to local form in case Unix notation used (as it
0474             # should be in setup scripts)
0475             extra_dirs = convert_path(extra_dirs)
0476 
0477         else:
0478             path_file = None
0479             extra_dirs = ''
0480 
0481         # XXX should we warn if path_file and not extra_dirs? (in which
0482         # case the path file would be harmless but pointless)
0483         self.path_file = path_file
0484         self.extra_dirs = extra_dirs
0485 
0486     # handle_extra_path ()
0487 
0488 
0489     def change_roots (self, *names):
0490         for name in names:
0491             attr = "install_" + name
0492             setattr(self, attr, change_root(self.root, getattr(self, attr)))
0493 
0494 
0495     # -- Command execution methods -------------------------------------
0496 
0497     def run (self):
0498 
0499         # Obviously have to build before we can install
0500         if not self.skip_build:
0501             self.run_command('build')
0502 
0503         # Run all sub-commands (at least those that need to be run)
0504         for cmd_name in self.get_sub_commands():
0505             self.run_command(cmd_name)
0506 
0507         if self.path_file:
0508             self.create_path_file()
0509 
0510         # write list of installed files, if requested.
0511         if self.record:
0512             outputs = self.get_outputs()
0513             if self.root:               # strip any package prefix
0514                 root_len = len(self.root)
0515                 for counter in xrange(len(outputs)):
0516                     outputs[counter] = outputs[counter][root_len:]
0517             self.execute(write_file,
0518                          (self.record, outputs),
0519                          "writing list of installed files to '%s'" %
0520                          self.record)
0521 
0522         sys_path = map(os.path.normpath, sys.path)
0523         sys_path = map(os.path.normcase, sys_path)
0524         install_lib = os.path.normcase(os.path.normpath(self.install_lib))
0525         if (self.warn_dir and
0526             not (self.path_file and self.install_path_file) and
0527             install_lib not in sys_path):
0528             log.debug(("modules installed to '%s', which is not in "
0529                        "Python's module search path (sys.path) -- "
0530                        "you'll have to change the search path yourself"),
0531                        self.install_lib)
0532 
0533     # run ()
0534 
0535     def create_path_file (self):
0536         filename = os.path.join(self.install_libbase,
0537                                 self.path_file + ".pth")
0538         if self.install_path_file:
0539             self.execute(write_file,
0540                          (filename, [self.extra_dirs]),
0541                          "creating %s" % filename)
0542         else:
0543             self.warn("path file '%s' not created" % filename)
0544 
0545 
0546     # -- Reporting methods ---------------------------------------------
0547 
0548     def get_outputs (self):
0549         # Assemble the outputs of all the sub-commands.
0550         outputs = []
0551         for cmd_name in self.get_sub_commands():
0552             cmd = self.get_finalized_command(cmd_name)
0553             # Add the contents of cmd.get_outputs(), ensuring
0554             # that outputs doesn't contain duplicate entries
0555             for filename in cmd.get_outputs():
0556                 if filename not in outputs:
0557                     outputs.append(filename)
0558 
0559         if self.path_file and self.install_path_file:
0560             outputs.append(os.path.join(self.install_libbase,
0561                                         self.path_file + ".pth"))
0562 
0563         return outputs
0564 
0565     def get_inputs (self):
0566         # XXX gee, this looks familiar ;-(
0567         inputs = []
0568         for cmd_name in self.get_sub_commands():
0569             cmd = self.get_finalized_command(cmd_name)
0570             inputs.extend(cmd.get_inputs())
0571 
0572         return inputs
0573 
0574 
0575     # -- Predicates for sub-command list -------------------------------
0576 
0577     def has_lib (self):
0578         """Return true if the current distribution has any Python
0579         modules to install."""
0580         return (self.distribution.has_pure_modules() or
0581                 self.distribution.has_ext_modules())
0582 
0583     def has_headers (self):
0584         return self.distribution.has_headers()
0585 
0586     def has_scripts (self):
0587         return self.distribution.has_scripts()
0588 
0589     def has_data (self):
0590         return self.distribution.has_data_files()
0591 
0592 
0593     # 'sub_commands': a list of commands this command might have to run to
0594     # get its work done.  See cmd.py for more info.
0595     sub_commands = [('install_lib',     has_lib),
0596                     ('install_headers', has_headers),
0597                     ('install_scripts', has_scripts),
0598                     ('install_data',    has_data),
0599                    ]
0600 
0601 # class install
0602 

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