mapnik/scons/scons-local-2.1.0/SCons/Tool/install.py
2011-10-04 18:36:00 +00:00

283 lines
9.8 KiB
Python

"""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, 2011 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 5357 2011/09/09 21:31:03 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
class CopytreeError(EnvironmentError):
pass
# This is a patched version of shutil.copytree from python 2.5. It
# doesn't fail if the dir exists, which regular copytree does
# (annoyingly). Note the XXX comment in the docstring.
def scons_copytree(src, dst, symlinks=False):
"""Recursively copy a directory tree using copy2().
The destination directory must not already exist.
If exception(s) occur, an CopytreeError is raised with a list of reasons.
If the optional symlinks flag is true, symbolic links in the
source tree result in symbolic links in the destination tree; if
it is false, the contents of the files pointed to by symbolic
links are copied.
XXX Consider this example code rather than the ultimate tool.
"""
names = os.listdir(src)
# garyo@genarts.com fix: check for dir before making dirs.
if not os.path.exists(dst):
os.makedirs(dst)
errors = []
for name in names:
srcname = os.path.join(src, name)
dstname = os.path.join(dst, name)
try:
if symlinks and os.path.islink(srcname):
linkto = os.readlink(srcname)
os.symlink(linkto, dstname)
elif os.path.isdir(srcname):
scons_copytree(srcname, dstname, symlinks)
else:
shutil.copy2(srcname, dstname)
# XXX What about devices, sockets etc.?
except (IOError, os.error), why:
errors.append((srcname, dstname, str(why)))
# catch the CopytreeError from the recursive copytree so that we can
# continue with other files
except CopytreeError, err:
errors.extend(err.args[0])
try:
shutil.copystat(src, dst)
except WindowsError:
# can't copy file access times on Windows
pass
except OSError, why:
errors.extend((src, dst, str(why)))
if errors:
raise CopytreeError, errors
#
# 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)
scons_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: