1"""distutils.command.install
2
3Implements the Distutils 'install' command."""
4
5from distutils import log
6
7# This module should be kept compatible with Python 2.1.
8
9__revision__ = "$Id: install.py 43363 2006-03-27 21:55:21Z phillip.eby $"
10
11import sys, os, string
12from types import *
13from distutils.core import Command
14from distutils.debug import DEBUG
15from distutils.sysconfig import get_config_vars
16from distutils.errors import DistutilsPlatformError
17from distutils.file_util import write_file
18from distutils.util import convert_path, subst_vars, change_root
19from distutils.errors import DistutilsOptionError
20from glob import glob
21
22if sys.version < "2.2":
23    WINDOWS_SCHEME = {
24        'purelib': '$base',
25        'platlib': '$base',
26        'headers': '$base/Include/$dist_name',
27        'scripts': '$base/Scripts',
28        'data'   : '$base',
29    }
30else:
31    WINDOWS_SCHEME = {
32        'purelib': '$base/Lib/site-packages',
33        'platlib': '$base/Lib/site-packages',
34        'headers': '$base/Include/$dist_name',
35        'scripts': '$base/Scripts',
36        'data'   : '$base',
37    }
38
39INSTALL_SCHEMES = {
40    'unix_prefix': {
41        'purelib': '$base/lib/python$py_version_short/site-packages',
42        'platlib': '$platbase/lib/python$py_version_short/site-packages',
43        'headers': '$base/include/python$py_version_short/$dist_name',
44        'scripts': '$base/bin',
45        'data'   : '$base',
46        },
47    'unix_home': {
48        'purelib': '$base/lib/python',
49        'platlib': '$base/lib/python',
50        'headers': '$base/include/python/$dist_name',
51        'scripts': '$base/bin',
52        'data'   : '$base',
53        },
54    'nt': WINDOWS_SCHEME,
55    'mac': {
56        'purelib': '$base/Lib/site-packages',
57        'platlib': '$base/Lib/site-packages',
58        'headers': '$base/Include/$dist_name',
59        'scripts': '$base/Scripts',
60        'data'   : '$base',
61        },
62    'os2': {
63        'purelib': '$base/Lib/site-packages',
64        'platlib': '$base/Lib/site-packages',
65        'headers': '$base/Include/$dist_name',
66        'scripts': '$base/Scripts',
67        'data'   : '$base',
68        },
69    'java': {
70        'purelib': '$base/Lib/site-packages',
71        'platlib': '$base/Lib/site-packages',
72        'headers': '$base/Include/$dist_name',
73        'scripts': '$base/bin',
74        'data'   : '$base',
75        }
76    }
77
78# The keys to an installation scheme; if any new types of files are to be
79# installed, be sure to add an entry to every installation scheme above,
80# and to SCHEME_KEYS here.
81SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
82
83
84class install (Command):
85
86    description = "install everything from build directory"
87
88    user_options = [
89        # Select installation scheme and set base director(y|ies)
90        ('prefix=', None,
91         "installation prefix"),
92        ('exec-prefix=', None,
93         "(Unix only) prefix for platform-specific files"),
94        ('home=', None,
95         "(Unix only) home directory to install under"),
96
97        # Or, just set the base director(y|ies)
98        ('install-base=', None,
99         "base installation directory (instead of --prefix or --home)"),
100        ('install-platbase=', None,
101         "base installation directory for platform-specific files " +
102         "(instead of --exec-prefix or --home)"),
103        ('root=', None,
104         "install everything relative to this alternate root directory"),
105
106        # Or, explicitly set the installation scheme
107        ('install-purelib=', None,
108         "installation directory for pure Python module distributions"),
109        ('install-platlib=', None,
110         "installation directory for non-pure module distributions"),
111        ('install-lib=', None,
112         "installation directory for all module distributions " +
113         "(overrides --install-purelib and --install-platlib)"),
114
115        ('install-headers=', None,
116         "installation directory for C/C++ headers"),
117        ('install-scripts=', None,
118         "installation directory for Python scripts"),
119        ('install-data=', None,
120         "installation directory for data files"),
121
122        # Byte-compilation options -- see install_lib.py for details, as
123        # these are duplicated from there (but only install_lib does
124        # anything with them).
125        ('compile', 'c', "compile .py to .pyc [default]"),
126        ('no-compile', None, "don't compile .py files"),
127        ('optimize=', 'O',
128         "also compile with optimization: -O1 for \"python -O\", "
129         "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
130
131        # Miscellaneous control options
132        ('force', 'f',
133         "force installation (overwrite any existing files)"),
134        ('skip-build', None,
135         "skip rebuilding everything (for testing/debugging)"),
136
137        # Where to install documentation (eventually!)
138        #('doc-format=', None, "format of documentation to generate"),
139        #('install-man=', None, "directory for Unix man pages"),
140        #('install-html=', None, "directory for HTML documentation"),
141        #('install-info=', None, "directory for GNU info files"),
142
143        ('record=', None,
144         "filename in which to record list of installed files"),
145        ]
146
147    boolean_options = ['compile', 'force', 'skip-build']
148    negative_opt = {'no-compile' : 'compile'}
149
150
151    def initialize_options (self):
152
153        # High-level options: these select both an installation base
154        # and scheme.
155        self.prefix = None
156        self.exec_prefix = None
157        self.home = None
158
159        # These select only the installation base; it's up to the user to
160        # specify the installation scheme (currently, that means supplying
161        # the --install-{platlib,purelib,scripts,data} options).
162        self.install_base = None
163        self.install_platbase = None
164        self.root = None
165
166        # These options are the actual installation directories; if not
167        # supplied by the user, they are filled in using the installation
168        # scheme implied by prefix/exec-prefix/home and the contents of
169        # that installation scheme.
170        self.install_purelib = None     # for pure module distributions
171        self.install_platlib = None     # non-pure (dists w/ extensions)
172        self.install_headers = None     # for C/C++ headers
173        self.install_lib = None         # set to either purelib or platlib
174        self.install_scripts = None
175        self.install_data = None
176
177        self.compile = None
178        self.optimize = None
179
180        # These two are for putting non-packagized distributions into their
181        # own directory and creating a .pth file if it makes sense.
182        # 'extra_path' comes from the setup file; 'install_path_file' can
183        # be turned off if it makes no sense to install a .pth file.  (But
184        # better to install it uselessly than to guess wrong and not
185        # install it when it's necessary and would be used!)  Currently,
186        # 'install_path_file' is always true unless some outsider meddles
187        # with it.
188        self.extra_path = None
189        self.install_path_file = 1
190
191        # 'force' forces installation, even if target files are not
192        # out-of-date.  'skip_build' skips running the "build" command,
193        # handy if you know it's not necessary.  'warn_dir' (which is *not*
194        # a user option, it's just there so the bdist_* commands can turn
195        # it off) determines whether we warn about installing to a
196        # directory not in sys.path.
197        self.force = 0
198        self.skip_build = 0
199        self.warn_dir = 1
200
201        # These are only here as a conduit from the 'build' command to the
202        # 'install_*' commands that do the real work.  ('build_base' isn't
203        # actually used anywhere, but it might be useful in future.)  They
204        # are not user options, because if the user told the install
205        # command where the build directory is, that wouldn't affect the
206        # build command.
207        self.build_base = None
208        self.build_lib = None
209
210        # Not defined yet because we don't know anything about
211        # documentation yet.
212        #self.install_man = None
213        #self.install_html = None
214        #self.install_info = None
215
216        self.record = None
217
218
219    # -- Option finalizing methods -------------------------------------
220    # (This is rather more involved than for most commands,
221    # because this is where the policy for installing third-
222    # party Python modules on various platforms given a wide
223    # array of user input is decided.  Yes, it's quite complex!)
224
225    def finalize_options (self):
226
227        # This method (and its pliant slaves, like 'finalize_unix()',
228        # 'finalize_other()', and 'select_scheme()') is where the default
229        # installation directories for modules, extension modules, and
230        # anything else we care to install from a Python module
231        # distribution.  Thus, this code makes a pretty important policy
232        # statement about how third-party stuff is added to a Python
233        # installation!  Note that the actual work of installation is done
234        # by the relatively simple 'install_*' commands; they just take
235        # their orders from the installation directory options determined
236        # here.
237
238        # Check for errors/inconsistencies in the options; first, stuff
239        # that's wrong on any platform.
240
241        if ((self.prefix or self.exec_prefix or self.home) and
242            (self.install_base or self.install_platbase)):
243            raise DistutilsOptionError, \
244                  ("must supply either prefix/exec-prefix/home or " +
245                   "install-base/install-platbase -- not both")
246
247        if self.home and (self.prefix or self.exec_prefix):
248            raise DistutilsOptionError, \
249                  "must supply either home or prefix/exec-prefix -- not both"
250
251        # Next, stuff that's wrong (or dubious) only on certain platforms.
252        if os.name != "posix":
253            if self.exec_prefix:
254                self.warn("exec-prefix option ignored on this platform")
255                self.exec_prefix = None
256
257        # Now the interesting logic -- so interesting that we farm it out
258        # to other methods.  The goal of these methods is to set the final
259        # values for the install_{lib,scripts,data,...}  options, using as
260        # input a heady brew of prefix, exec_prefix, home, install_base,
261        # install_platbase, user-supplied versions of
262        # install_{purelib,platlib,lib,scripts,data,...}, and the
263        # INSTALL_SCHEME dictionary above.  Phew!
264
265        self.dump_dirs("pre-finalize_{unix,other}")
266
267        if os.name == 'posix':
268            self.finalize_unix()
269        else:
270            self.finalize_other()
271
272        self.dump_dirs("post-finalize_{unix,other}()")
273
274        # Expand configuration variables, tilde, etc. in self.install_base
275        # and self.install_platbase -- that way, we can use $base or
276        # $platbase in the other installation directories and not worry
277        # about needing recursive variable expansion (shudder).
278
279        py_version = (string.split(sys.version))[0]
280        (prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
281        self.config_vars = {'dist_name': self.distribution.get_name(),
282                            'dist_version': self.distribution.get_version(),
283                            'dist_fullname': self.distribution.get_fullname(),
284                            'py_version': py_version,
285                            'py_version_short': py_version[0:3],
286                            'sys_prefix': prefix,
287                            'prefix': prefix,
288                            'sys_exec_prefix': exec_prefix,
289                            'exec_prefix': exec_prefix,
290                           }
291        self.expand_basedirs()
292
293        self.dump_dirs("post-expand_basedirs()")
294
295        # Now define config vars for the base directories so we can expand
296        # everything else.
297        self.config_vars['base'] = self.install_base
298        self.config_vars['platbase'] = self.install_platbase
299
300        if DEBUG:
301            from pprint import pprint
302            print "config vars:"
303            pprint(self.config_vars)
304
305        # Expand "~" and configuration variables in the installation
306        # directories.
307        self.expand_dirs()
308
309        self.dump_dirs("post-expand_dirs()")
310
311        # Pick the actual directory to install all modules to: either
312        # install_purelib or install_platlib, depending on whether this
313        # module distribution is pure or not.  Of course, if the user
314        # already specified install_lib, use their selection.
315        if self.install_lib is None:
316            if self.distribution.ext_modules: # has extensions: non-pure
317                self.install_lib = self.install_platlib
318            else:
319                self.install_lib = self.install_purelib
320
321
322        # Convert directories from Unix /-separated syntax to the local
323        # convention.
324        self.convert_paths('lib', 'purelib', 'platlib',
325                           'scripts', 'data', 'headers')
326
327        # Well, we're not actually fully completely finalized yet: we still
328        # have to deal with 'extra_path', which is the hack for allowing
329        # non-packagized module distributions (hello, Numerical Python!) to
330        # get their own directories.
331        self.handle_extra_path()
332        self.install_libbase = self.install_lib # needed for .pth file
333        self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
334
335        # If a new root directory was supplied, make all the installation
336        # dirs relative to it.
337        if self.root is not None:
338            self.change_roots('libbase', 'lib', 'purelib', 'platlib',
339                              'scripts', 'data', 'headers')
340
341        self.dump_dirs("after prepending root")
342
343        # Find out the build directories, ie. where to install from.
344        self.set_undefined_options('build',
345                                   ('build_base', 'build_base'),
346                                   ('build_lib', 'build_lib'))
347
348        # Punt on doc directories for now -- after all, we're punting on
349        # documentation completely!
350
351    # finalize_options ()
352
353
354    def dump_dirs (self, msg):
355        if DEBUG:
356            from distutils.fancy_getopt import longopt_xlate
357            print msg + ":"
358            for opt in self.user_options:
359                opt_name = opt[0]
360                if opt_name[-1] == "=":
361                    opt_name = opt_name[0:-1]
362                if self.negative_opt.has_key(opt_name):
363                    opt_name = string.translate(self.negative_opt[opt_name],
364                                                longopt_xlate)
365                    val = not getattr(self, opt_name)
366                else:
367                    opt_name = string.translate(opt_name, longopt_xlate)
368                    val = getattr(self, opt_name)
369                print "  %s: %s" % (opt_name, val)
370
371
372    def finalize_unix (self):
373
374        if self.install_base is not None or self.install_platbase is not None:
375            if ((self.install_lib is None and
376                 self.install_purelib is None and
377                 self.install_platlib is None) or
378                self.install_headers is None or
379                self.install_scripts is None or
380                self.install_data is None):
381                raise DistutilsOptionError, \
382                      ("install-base or install-platbase supplied, but "
383                      "installation scheme is incomplete")
384            return
385
386        if self.home is not None:
387            self.install_base = self.install_platbase = self.home
388            self.select_scheme("unix_home")
389        else:
390            if self.prefix is None:
391                if self.exec_prefix is not None:
392                    raise DistutilsOptionError, \
393                          "must not supply exec-prefix without prefix"
394
395                self.prefix = os.path.normpath(sys.prefix)
396                self.exec_prefix = os.path.normpath(sys.exec_prefix)
397
398            else:
399                if self.exec_prefix is None:
400                    self.exec_prefix = self.prefix
401
402            self.install_base = self.prefix
403            self.install_platbase = self.exec_prefix
404            self.select_scheme("unix_prefix")
405
406    # finalize_unix ()
407
408
409    def finalize_other (self):          # Windows and Mac OS for now
410
411        if self.home is not None:
412            self.install_base = self.install_platbase = self.home
413            self.select_scheme("unix_home")
414        else:
415            if self.prefix is None:
416                self.prefix = os.path.normpath(sys.prefix)
417
418            self.install_base = self.install_platbase = self.prefix
419            try:
420                self.select_scheme(os.name)
421            except KeyError:
422                raise DistutilsPlatformError, \
423                      "I don't know how to install stuff on '%s'" % os.name
424
425    # finalize_other ()
426
427
428    def select_scheme (self, name):
429        # it's the caller's problem if they supply a bad name!
430        scheme = INSTALL_SCHEMES[name]
431        for key in SCHEME_KEYS:
432            attrname = 'install_' + key
433            if getattr(self, attrname) is None:
434                setattr(self, attrname, scheme[key])
435
436
437    def _expand_attrs (self, attrs):
438        for attr in attrs:
439            val = getattr(self, attr)
440            if val is not None:
441                if os.name == 'posix':
442                    val = os.path.expanduser(val)
443                val = subst_vars(val, self.config_vars)
444                setattr(self, attr, val)
445
446
447    def expand_basedirs (self):
448        self._expand_attrs(['install_base',
449                            'install_platbase',
450                            'root'])
451
452    def expand_dirs (self):
453        self._expand_attrs(['install_purelib',
454                            'install_platlib',
455                            'install_lib',
456                            'install_headers',
457                            'install_scripts',
458                            'install_data',])
459
460
461    def convert_paths (self, *names):
462        for name in names:
463            attr = "install_" + name
464            setattr(self, attr, convert_path(getattr(self, attr)))
465
466
467    def handle_extra_path (self):
468
469        if self.extra_path is None:
470            self.extra_path = self.distribution.extra_path
471
472        if self.extra_path is not None:
473            if type(self.extra_path) is StringType:
474                self.extra_path = string.split(self.extra_path, ',')
475
476            if len(self.extra_path) == 1:
477                path_file = extra_dirs = self.extra_path[0]
478            elif len(self.extra_path) == 2:
479                (path_file, extra_dirs) = self.extra_path
480            else:
481                raise DistutilsOptionError, \
482                      ("'extra_path' option must be a list, tuple, or "
483                      "comma-separated string with 1 or 2 elements")
484
485            # convert to local form in case Unix notation used (as it
486            # should be in setup scripts)
487            extra_dirs = convert_path(extra_dirs)
488
489        else:
490            path_file = None
491            extra_dirs = ''
492
493        # XXX should we warn if path_file and not extra_dirs? (in which
494        # case the path file would be harmless but pointless)
495        self.path_file = path_file
496        self.extra_dirs = extra_dirs
497
498    # handle_extra_path ()
499
500
501    def change_roots (self, *names):
502        for name in names:
503            attr = "install_" + name
504            setattr(self, attr, change_root(self.root, getattr(self, attr)))
505
506
507    # -- Command execution methods -------------------------------------
508
509    def run (self):
510
511        # Obviously have to build before we can install
512        if not self.skip_build:
513            self.run_command('build')
514
515        # Run all sub-commands (at least those that need to be run)
516        for cmd_name in self.get_sub_commands():
517            self.run_command(cmd_name)
518
519        if self.path_file:
520            self.create_path_file()
521
522        # write list of installed files, if requested.
523        if self.record:
524            outputs = self.get_outputs()
525            if self.root:               # strip any package prefix
526                root_len = len(self.root)
527                for counter in xrange(len(outputs)):
528                    outputs[counter] = outputs[counter][root_len:]
529            self.execute(write_file,
530                         (self.record, outputs),
531                         "writing list of installed files to '%s'" %
532                         self.record)
533
534        sys_path = map(os.path.normpath, sys.path)
535        sys_path = map(os.path.normcase, sys_path)
536        install_lib = os.path.normcase(os.path.normpath(self.install_lib))
537        if (self.warn_dir and
538            not (self.path_file and self.install_path_file) and
539            install_lib not in sys_path):
540            log.debug(("modules installed to '%s', which is not in "
541                       "Python's module search path (sys.path) -- "
542                       "you'll have to change the search path yourself"),
543                       self.install_lib)
544
545    # run ()
546
547    def create_path_file (self):
548        filename = os.path.join(self.install_libbase,
549                                self.path_file + ".pth")
550        if self.install_path_file:
551            self.execute(write_file,
552                         (filename, [self.extra_dirs]),
553                         "creating %s" % filename)
554        else:
555            self.warn("path file '%s' not created" % filename)
556
557
558    # -- Reporting methods ---------------------------------------------
559
560    def get_outputs (self):
561        # Assemble the outputs of all the sub-commands.
562        outputs = []
563        for cmd_name in self.get_sub_commands():
564            cmd = self.get_finalized_command(cmd_name)
565            # Add the contents of cmd.get_outputs(), ensuring
566            # that outputs doesn't contain duplicate entries
567            for filename in cmd.get_outputs():
568                if filename not in outputs:
569                    outputs.append(filename)
570
571        if self.path_file and self.install_path_file:
572            outputs.append(os.path.join(self.install_libbase,
573                                        self.path_file + ".pth"))
574
575        return outputs
576
577    def get_inputs (self):
578        # XXX gee, this looks familiar ;-(
579        inputs = []
580        for cmd_name in self.get_sub_commands():
581            cmd = self.get_finalized_command(cmd_name)
582            inputs.extend(cmd.get_inputs())
583
584        return inputs
585
586
587    # -- Predicates for sub-command list -------------------------------
588
589    def has_lib (self):
590        """Return true if the current distribution has any Python
591        modules to install."""
592        return (self.distribution.has_pure_modules() or
593                self.distribution.has_ext_modules())
594
595    def has_headers (self):
596        return self.distribution.has_headers()
597
598    def has_scripts (self):
599        return self.distribution.has_scripts()
600
601    def has_data (self):
602        return self.distribution.has_data_files()
603
604
605    # 'sub_commands': a list of commands this command might have to run to
606    # get its work done.  See cmd.py for more info.
607    sub_commands = [('install_lib',     has_lib),
608                    ('install_headers', has_headers),
609                    ('install_scripts', has_scripts),
610                    ('install_data',    has_data),
611                    ('install_egg_info', lambda self:True),
612                   ]
613
614# class install
615