Added an unmodified copy of SCons to third_party.

scons-2.0.1/engine/SCons/Tool/install.py

+"""SCons.Tool.install
+
+Tool-specific initialization for the install tool.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Tool/install.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import os
+import shutil
+import stat
+
+import SCons.Action
+from SCons.Util import make_path_relative
+
+#
+# We keep track of *all* installed files.
+_INSTALLED_FILES = []
+_UNIQUE_INSTALLED_FILES = None
+
+#
+# Functions doing the actual work of the Install Builder.
+#
+def copyFunc(dest, source, env):
+    """Install a source file or directory into a destination by copying,
+    (including copying permission/mode bits)."""
+
+    if os.path.isdir(source):
+        if os.path.exists(dest):
+            if not os.path.isdir(dest):
+                raise SCons.Errors.UserError("cannot overwrite non-directory `%s' with a directory `%s'" % (str(dest), str(source)))
+        else:
+            parent = os.path.split(dest)[0]
+            if not os.path.exists(parent):
+                os.makedirs(parent)
+        shutil.copytree(source, dest)
+    else:
+        shutil.copy2(source, dest)
+        st = os.stat(source)
+        os.chmod(dest, stat.S_IMODE(st[stat.ST_MODE]) | stat.S_IWRITE)
+
+    return 0
+
+def installFunc(target, source, env):
+    """Install a source file into a target using the function specified
+    as the INSTALL construction variable."""
+    try:
+        install = env['INSTALL']
+    except KeyError:
+        raise SCons.Errors.UserError('Missing INSTALL construction variable.')
+
+    assert len(target)==len(source), \
+           "Installing source %s into target %s: target and source lists must have same length."%(list(map(str, source)), list(map(str, target)))
+    for t,s in zip(target,source):
+        if install(t.get_path(),s.get_path(),env):
+            return 1
+
+    return 0
+
+def stringFunc(target, source, env):
+    installstr = env.get('INSTALLSTR')
+    if installstr:
+        return env.subst_target_source(installstr, 0, target, source)
+    target = str(target[0])
+    source = str(source[0])
+    if os.path.isdir(source):
+        type = 'directory'
+    else:
+        type = 'file'
+    return 'Install %s: "%s" as "%s"' % (type, source, target)
+
+#
+# Emitter functions
+#
+def add_targets_to_INSTALLED_FILES(target, source, env):
+    """ an emitter that adds all target files to the list stored in the
+    _INSTALLED_FILES global variable. This way all installed files of one
+    scons call will be collected.
+    """
+    global _INSTALLED_FILES, _UNIQUE_INSTALLED_FILES
+    _INSTALLED_FILES.extend(target)
+    _UNIQUE_INSTALLED_FILES = None
+    return (target, source)
+
+class DESTDIR_factory(object):
+    """ a node factory, where all files will be relative to the dir supplied
+    in the constructor.
+    """
+    def __init__(self, env, dir):
+        self.env = env
+        self.dir = env.arg2nodes( dir, env.fs.Dir )[0]
+
+    def Entry(self, name):
+        name = make_path_relative(name)
+        return self.dir.Entry(name)
+
+    def Dir(self, name):
+        name = make_path_relative(name)
+        return self.dir.Dir(name)
+
+#
+# The Builder Definition
+#
+install_action   = SCons.Action.Action(installFunc, stringFunc)
+installas_action = SCons.Action.Action(installFunc, stringFunc)
+
+BaseInstallBuilder               = None
+
+def InstallBuilderWrapper(env, target=None, source=None, dir=None, **kw):
+    if target and dir:
+        import SCons.Errors
+        raise SCons.Errors.UserError("Both target and dir defined for Install(), only one may be defined.")
+    if not dir:
+        dir=target
+
+    import SCons.Script
+    install_sandbox = SCons.Script.GetOption('install_sandbox')
+    if install_sandbox:
+        target_factory = DESTDIR_factory(env, install_sandbox)
+    else:
+        target_factory = env.fs
+
+    try:
+        dnodes = env.arg2nodes(dir, target_factory.Dir)
+    except TypeError:
+        raise SCons.Errors.UserError("Target `%s' of Install() is a file, but should be a directory.  Perhaps you have the Install() arguments backwards?" % str(dir))
+    sources = env.arg2nodes(source, env.fs.Entry)
+    tgt = []
+    for dnode in dnodes:
+        for src in sources:
+            # Prepend './' so the lookup doesn't interpret an initial
+            # '#' on the file name portion as meaning the Node should
+            # be relative to the top-level SConstruct directory.
+            target = env.fs.Entry('.'+os.sep+src.name, dnode)
+            #tgt.extend(BaseInstallBuilder(env, target, src, **kw))
+            tgt.extend(BaseInstallBuilder(env, target, src, **kw))
+    return tgt
+
+def InstallAsBuilderWrapper(env, target=None, source=None, **kw):
+    result = []
+    for src, tgt in map(lambda x, y: (x, y), source, target):
+        #result.extend(BaseInstallBuilder(env, tgt, src, **kw))
+        result.extend(BaseInstallBuilder(env, tgt, src, **kw))
+    return result
+
+added = None
+
+def generate(env):
+
+    from SCons.Script import AddOption, GetOption
+    global added
+    if not added:
+        added = 1
+        AddOption('--install-sandbox',
+                  dest='install_sandbox',
+                  type="string",
+                  action="store",
+                  help='A directory under which all installed files will be placed.')
+
+    global BaseInstallBuilder
+    if BaseInstallBuilder is None:
+        install_sandbox = GetOption('install_sandbox')
+        if install_sandbox:
+            target_factory = DESTDIR_factory(env, install_sandbox)
+        else:
+            target_factory = env.fs
+
+        BaseInstallBuilder = SCons.Builder.Builder(
+                              action         = install_action,
+                              target_factory = target_factory.Entry,
+                              source_factory = env.fs.Entry,
+                              multi          = 1,
+                              emitter        = [ add_targets_to_INSTALLED_FILES, ],
+                              name           = 'InstallBuilder')
+
+    env['BUILDERS']['_InternalInstall'] = InstallBuilderWrapper
+    env['BUILDERS']['_InternalInstallAs'] = InstallAsBuilderWrapper
+
+    # We'd like to initialize this doing something like the following,
+    # but there isn't yet support for a ${SOURCE.type} expansion that
+    # will print "file" or "directory" depending on what's being
+    # installed.  For now we punt by not initializing it, and letting
+    # the stringFunc() that we put in the action fall back to the
+    # hand-crafted default string if it's not set.
+    #
+    #try:
+    #    env['INSTALLSTR']
+    #except KeyError:
+    #    env['INSTALLSTR'] = 'Install ${SOURCE.type}: "$SOURCES" as "$TARGETS"'
+
+    try:
+        env['INSTALL']
+    except KeyError:
+        env['INSTALL']    = copyFunc
+
+def exists(env):
+    return 1
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: