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authorAdam Kocoloski <adam@cloudant.com>2010-08-23 13:51:50 -0400
committerAdam Kocoloski <adam@cloudant.com>2010-08-23 13:51:50 -0400
commit96a9fa9101e9ed50149d284ff32c361084223fa4 (patch)
tree51f7c69596df29a26beaf85a8f2376e271ade366 /scons/scons-local-2.0.1/SCons/Script/SConscript.py
parentdd586292bdb6b6ea16b70351c2ca4d20793ac772 (diff)
consolidate all couchjs stuff in one subdir
Diffstat (limited to 'scons/scons-local-2.0.1/SCons/Script/SConscript.py')
-rw-r--r--scons/scons-local-2.0.1/SCons/Script/SConscript.py640
1 files changed, 0 insertions, 640 deletions
diff --git a/scons/scons-local-2.0.1/SCons/Script/SConscript.py b/scons/scons-local-2.0.1/SCons/Script/SConscript.py
deleted file mode 100644
index 5e896f1f..00000000
--- a/scons/scons-local-2.0.1/SCons/Script/SConscript.py
+++ /dev/null
@@ -1,640 +0,0 @@
-"""SCons.Script.SConscript
-
-This module defines the Python API provided to SConscript and SConstruct
-files.
-
-"""
-
-#
-# 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.
-from __future__ import division
-
-__revision__ = "src/engine/SCons/Script/SConscript.py 5134 2010/08/16 23:02:40 bdeegan"
-
-import SCons
-import SCons.Action
-import SCons.Builder
-import SCons.Defaults
-import SCons.Environment
-import SCons.Errors
-import SCons.Node
-import SCons.Node.Alias
-import SCons.Node.FS
-import SCons.Platform
-import SCons.SConf
-import SCons.Script.Main
-import SCons.Tool
-import SCons.Util
-
-import collections
-import os
-import os.path
-import re
-import sys
-import traceback
-
-# The following variables used to live in this module. Some
-# SConscript files out there may have referred to them directly as
-# SCons.Script.SConscript.*. This is now supported by some special
-# handling towards the bottom of the SConscript.__init__.py module.
-#Arguments = {}
-#ArgList = []
-#BuildTargets = TargetList()
-#CommandLineTargets = []
-#DefaultTargets = []
-
-class SConscriptReturn(Exception):
- pass
-
-launch_dir = os.path.abspath(os.curdir)
-
-GlobalDict = None
-
-# global exports set by Export():
-global_exports = {}
-
-# chdir flag
-sconscript_chdir = 1
-
-def get_calling_namespaces():
- """Return the locals and globals for the function that called
- into this module in the current call stack."""
- try: 1//0
- except ZeroDivisionError:
- # Don't start iterating with the current stack-frame to
- # prevent creating reference cycles (f_back is safe).
- frame = sys.exc_info()[2].tb_frame.f_back
-
- # Find the first frame that *isn't* from this file. This means
- # that we expect all of the SCons frames that implement an Export()
- # or SConscript() call to be in this file, so that we can identify
- # the first non-Script.SConscript frame as the user's local calling
- # environment, and the locals and globals dictionaries from that
- # frame as the calling namespaces. See the comment below preceding
- # the DefaultEnvironmentCall block for even more explanation.
- while frame.f_globals.get("__name__") == __name__:
- frame = frame.f_back
-
- return frame.f_locals, frame.f_globals
-
-
-def compute_exports(exports):
- """Compute a dictionary of exports given one of the parameters
- to the Export() function or the exports argument to SConscript()."""
-
- loc, glob = get_calling_namespaces()
-
- retval = {}
- try:
- for export in exports:
- if SCons.Util.is_Dict(export):
- retval.update(export)
- else:
- try:
- retval[export] = loc[export]
- except KeyError:
- retval[export] = glob[export]
- except KeyError, x:
- raise SCons.Errors.UserError("Export of non-existent variable '%s'"%x)
-
- return retval
-
-class Frame(object):
- """A frame on the SConstruct/SConscript call stack"""
- def __init__(self, fs, exports, sconscript):
- self.globals = BuildDefaultGlobals()
- self.retval = None
- self.prev_dir = fs.getcwd()
- self.exports = compute_exports(exports) # exports from the calling SConscript
- # make sure the sconscript attr is a Node.
- if isinstance(sconscript, SCons.Node.Node):
- self.sconscript = sconscript
- elif sconscript == '-':
- self.sconscript = None
- else:
- self.sconscript = fs.File(str(sconscript))
-
-# the SConstruct/SConscript call stack:
-call_stack = []
-
-# For documentation on the methods in this file, see the scons man-page
-
-def Return(*vars, **kw):
- retval = []
- try:
- fvars = SCons.Util.flatten(vars)
- for var in fvars:
- for v in var.split():
- retval.append(call_stack[-1].globals[v])
- except KeyError, x:
- raise SCons.Errors.UserError("Return of non-existent variable '%s'"%x)
-
- if len(retval) == 1:
- call_stack[-1].retval = retval[0]
- else:
- call_stack[-1].retval = tuple(retval)
-
- stop = kw.get('stop', True)
-
- if stop:
- raise SConscriptReturn
-
-
-stack_bottom = '% Stack boTTom %' # hard to define a variable w/this name :)
-
-def _SConscript(fs, *files, **kw):
- top = fs.Top
- sd = fs.SConstruct_dir.rdir()
- exports = kw.get('exports', [])
-
- # evaluate each SConscript file
- results = []
- for fn in files:
- call_stack.append(Frame(fs, exports, fn))
- old_sys_path = sys.path
- try:
- SCons.Script.sconscript_reading = SCons.Script.sconscript_reading + 1
- if fn == "-":
- exec sys.stdin in call_stack[-1].globals
- else:
- if isinstance(fn, SCons.Node.Node):
- f = fn
- else:
- f = fs.File(str(fn))
- _file_ = None
-
- # Change directory to the top of the source
- # tree to make sure the os's cwd and the cwd of
- # fs match so we can open the SConscript.
- fs.chdir(top, change_os_dir=1)
- if f.rexists():
- actual = f.rfile()
- _file_ = open(actual.get_abspath(), "r")
- elif f.srcnode().rexists():
- actual = f.srcnode().rfile()
- _file_ = open(actual.get_abspath(), "r")
- elif f.has_src_builder():
- # The SConscript file apparently exists in a source
- # code management system. Build it, but then clear
- # the builder so that it doesn't get built *again*
- # during the actual build phase.
- f.build()
- f.built()
- f.builder_set(None)
- if f.exists():
- _file_ = open(f.get_abspath(), "r")
- if _file_:
- # Chdir to the SConscript directory. Use a path
- # name relative to the SConstruct file so that if
- # we're using the -f option, we're essentially
- # creating a parallel SConscript directory structure
- # in our local directory tree.
- #
- # XXX This is broken for multiple-repository cases
- # where the SConstruct and SConscript files might be
- # in different Repositories. For now, cross that
- # bridge when someone comes to it.
- try:
- src_dir = kw['src_dir']
- except KeyError:
- ldir = fs.Dir(f.dir.get_path(sd))
- else:
- ldir = fs.Dir(src_dir)
- if not ldir.is_under(f.dir):
- # They specified a source directory, but
- # it's above the SConscript directory.
- # Do the sensible thing and just use the
- # SConcript directory.
- ldir = fs.Dir(f.dir.get_path(sd))
- try:
- fs.chdir(ldir, change_os_dir=sconscript_chdir)
- except OSError:
- # There was no local directory, so we should be
- # able to chdir to the Repository directory.
- # Note that we do this directly, not through
- # fs.chdir(), because we still need to
- # interpret the stuff within the SConscript file
- # relative to where we are logically.
- fs.chdir(ldir, change_os_dir=0)
- os.chdir(actual.dir.get_abspath())
-
- # Append the SConscript directory to the beginning
- # of sys.path so Python modules in the SConscript
- # directory can be easily imported.
- sys.path = [ f.dir.get_abspath() ] + sys.path
-
- # This is the magic line that actually reads up
- # and executes the stuff in the SConscript file.
- # The locals for this frame contain the special
- # bottom-of-the-stack marker so that any
- # exceptions that occur when processing this
- # SConscript can base the printed frames at this
- # level and not show SCons internals as well.
- call_stack[-1].globals.update({stack_bottom:1})
- old_file = call_stack[-1].globals.get('__file__')
- try:
- del call_stack[-1].globals['__file__']
- except KeyError:
- pass
- try:
- try:
- exec _file_ in call_stack[-1].globals
- except SConscriptReturn:
- pass
- finally:
- if old_file is not None:
- call_stack[-1].globals.update({__file__:old_file})
- else:
- SCons.Warnings.warn(SCons.Warnings.MissingSConscriptWarning,
- "Ignoring missing SConscript '%s'" % f.path)
-
- finally:
- SCons.Script.sconscript_reading = SCons.Script.sconscript_reading - 1
- sys.path = old_sys_path
- frame = call_stack.pop()
- try:
- fs.chdir(frame.prev_dir, change_os_dir=sconscript_chdir)
- except OSError:
- # There was no local directory, so chdir to the
- # Repository directory. Like above, we do this
- # directly.
- fs.chdir(frame.prev_dir, change_os_dir=0)
- rdir = frame.prev_dir.rdir()
- rdir._create() # Make sure there's a directory there.
- try:
- os.chdir(rdir.get_abspath())
- except OSError, e:
- # We still couldn't chdir there, so raise the error,
- # but only if actions are being executed.
- #
- # If the -n option was used, the directory would *not*
- # have been created and we should just carry on and
- # let things muddle through. This isn't guaranteed
- # to work if the SConscript files are reading things
- # from disk (for example), but it should work well
- # enough for most configurations.
- if SCons.Action.execute_actions:
- raise e
-
- results.append(frame.retval)
-
- # if we only have one script, don't return a tuple
- if len(results) == 1:
- return results[0]
- else:
- return tuple(results)
-
-def SConscript_exception(file=sys.stderr):
- """Print an exception stack trace just for the SConscript file(s).
- This will show users who have Python errors where the problem is,
- without cluttering the output with all of the internal calls leading
- up to where we exec the SConscript."""
- exc_type, exc_value, exc_tb = sys.exc_info()
- tb = exc_tb
- while tb and stack_bottom not in tb.tb_frame.f_locals:
- tb = tb.tb_next
- if not tb:
- # We did not find our exec statement, so this was actually a bug
- # in SCons itself. Show the whole stack.
- tb = exc_tb
- stack = traceback.extract_tb(tb)
- try:
- type = exc_type.__name__
- except AttributeError:
- type = str(exc_type)
- if type[:11] == "exceptions.":
- type = type[11:]
- file.write('%s: %s:\n' % (type, exc_value))
- for fname, line, func, text in stack:
- file.write(' File "%s", line %d:\n' % (fname, line))
- file.write(' %s\n' % text)
-
-def annotate(node):
- """Annotate a node with the stack frame describing the
- SConscript file and line number that created it."""
- tb = sys.exc_info()[2]
- while tb and stack_bottom not in tb.tb_frame.f_locals:
- tb = tb.tb_next
- if not tb:
- # We did not find any exec of an SConscript file: what?!
- raise SCons.Errors.InternalError("could not find SConscript stack frame")
- node.creator = traceback.extract_stack(tb)[0]
-
-# The following line would cause each Node to be annotated using the
-# above function. Unfortunately, this is a *huge* performance hit, so
-# leave this disabled until we find a more efficient mechanism.
-#SCons.Node.Annotate = annotate
-
-class SConsEnvironment(SCons.Environment.Base):
- """An Environment subclass that contains all of the methods that
- are particular to the wrapper SCons interface and which aren't
- (or shouldn't be) part of the build engine itself.
-
- Note that not all of the methods of this class have corresponding
- global functions, there are some private methods.
- """
-
- #
- # Private methods of an SConsEnvironment.
- #
- def _exceeds_version(self, major, minor, v_major, v_minor):
- """Return 1 if 'major' and 'minor' are greater than the version
- in 'v_major' and 'v_minor', and 0 otherwise."""
- return (major > v_major or (major == v_major and minor > v_minor))
-
- def _get_major_minor_revision(self, version_string):
- """Split a version string into major, minor and (optionally)
- revision parts.
-
- This is complicated by the fact that a version string can be
- something like 3.2b1."""
- version = version_string.split(' ')[0].split('.')
- v_major = int(version[0])
- v_minor = int(re.match('\d+', version[1]).group())
- if len(version) >= 3:
- v_revision = int(re.match('\d+', version[2]).group())
- else:
- v_revision = 0
- return v_major, v_minor, v_revision
-
- def _get_SConscript_filenames(self, ls, kw):
- """
- Convert the parameters passed to SConscript() calls into a list
- of files and export variables. If the parameters are invalid,
- throws SCons.Errors.UserError. Returns a tuple (l, e) where l
- is a list of SConscript filenames and e is a list of exports.
- """
- exports = []
-
- if len(ls) == 0:
- try:
- dirs = kw["dirs"]
- except KeyError:
- raise SCons.Errors.UserError("Invalid SConscript usage - no parameters")
-
- if not SCons.Util.is_List(dirs):
- dirs = [ dirs ]
- dirs = list(map(str, dirs))
-
- name = kw.get('name', 'SConscript')
-
- files = [os.path.join(n, name) for n in dirs]
-
- elif len(ls) == 1:
-
- files = ls[0]
-
- elif len(ls) == 2:
-
- files = ls[0]
- exports = self.Split(ls[1])
-
- else:
-
- raise SCons.Errors.UserError("Invalid SConscript() usage - too many arguments")
-
- if not SCons.Util.is_List(files):
- files = [ files ]
-
- if kw.get('exports'):
- exports.extend(self.Split(kw['exports']))
-
- variant_dir = kw.get('variant_dir') or kw.get('build_dir')
- if variant_dir:
- if len(files) != 1:
- raise SCons.Errors.UserError("Invalid SConscript() usage - can only specify one SConscript with a variant_dir")
- duplicate = kw.get('duplicate', 1)
- src_dir = kw.get('src_dir')
- if not src_dir:
- src_dir, fname = os.path.split(str(files[0]))
- files = [os.path.join(str(variant_dir), fname)]
- else:
- if not isinstance(src_dir, SCons.Node.Node):
- src_dir = self.fs.Dir(src_dir)
- fn = files[0]
- if not isinstance(fn, SCons.Node.Node):
- fn = self.fs.File(fn)
- if fn.is_under(src_dir):
- # Get path relative to the source directory.
- fname = fn.get_path(src_dir)
- files = [os.path.join(str(variant_dir), fname)]
- else:
- files = [fn.abspath]
- kw['src_dir'] = variant_dir
- self.fs.VariantDir(variant_dir, src_dir, duplicate)
-
- return (files, exports)
-
- #
- # Public methods of an SConsEnvironment. These get
- # entry points in the global name space so they can be called
- # as global functions.
- #
-
- def Configure(self, *args, **kw):
- if not SCons.Script.sconscript_reading:
- raise SCons.Errors.UserError("Calling Configure from Builders is not supported.")
- kw['_depth'] = kw.get('_depth', 0) + 1
- return SCons.Environment.Base.Configure(self, *args, **kw)
-
- def Default(self, *targets):
- SCons.Script._Set_Default_Targets(self, targets)
-
- def EnsureSConsVersion(self, major, minor, revision=0):
- """Exit abnormally if the SCons version is not late enough."""
- scons_ver = self._get_major_minor_revision(SCons.__version__)
- if scons_ver < (major, minor, revision):
- if revision:
- scons_ver_string = '%d.%d.%d' % (major, minor, revision)
- else:
- scons_ver_string = '%d.%d' % (major, minor)
- print "SCons %s or greater required, but you have SCons %s" % \
- (scons_ver_string, SCons.__version__)
- sys.exit(2)
-
- def EnsurePythonVersion(self, major, minor):
- """Exit abnormally if the Python version is not late enough."""
- try:
- v_major, v_minor, v_micro, release, serial = sys.version_info
- python_ver = (v_major, v_minor)
- except AttributeError:
- python_ver = self._get_major_minor_revision(sys.version)[:2]
- if python_ver < (major, minor):
- v = sys.version.split(" ", 1)[0]
- print "Python %d.%d or greater required, but you have Python %s" %(major,minor,v)
- sys.exit(2)
-
- def Exit(self, value=0):
- sys.exit(value)
-
- def Export(self, *vars, **kw):
- for var in vars:
- global_exports.update(compute_exports(self.Split(var)))
- global_exports.update(kw)
-
- def GetLaunchDir(self):
- global launch_dir
- return launch_dir
-
- def GetOption(self, name):
- name = self.subst(name)
- return SCons.Script.Main.GetOption(name)
-
- def Help(self, text):
- text = self.subst(text, raw=1)
- SCons.Script.HelpFunction(text)
-
- def Import(self, *vars):
- try:
- frame = call_stack[-1]
- globals = frame.globals
- exports = frame.exports
- for var in vars:
- var = self.Split(var)
- for v in var:
- if v == '*':
- globals.update(global_exports)
- globals.update(exports)
- else:
- if v in exports:
- globals[v] = exports[v]
- else:
- globals[v] = global_exports[v]
- except KeyError,x:
- raise SCons.Errors.UserError("Import of non-existent variable '%s'"%x)
-
- def SConscript(self, *ls, **kw):
- if 'build_dir' in kw:
- msg = """The build_dir keyword has been deprecated; use the variant_dir keyword instead."""
- SCons.Warnings.warn(SCons.Warnings.DeprecatedBuildDirWarning, msg)
- def subst_element(x, subst=self.subst):
- if SCons.Util.is_List(x):
- x = list(map(subst, x))
- else:
- x = subst(x)
- return x
- ls = list(map(subst_element, ls))
- subst_kw = {}
- for key, val in kw.items():
- if SCons.Util.is_String(val):
- val = self.subst(val)
- elif SCons.Util.is_List(val):
- result = []
- for v in val:
- if SCons.Util.is_String(v):
- v = self.subst(v)
- result.append(v)
- val = result
- subst_kw[key] = val
-
- files, exports = self._get_SConscript_filenames(ls, subst_kw)
- subst_kw['exports'] = exports
- return _SConscript(self.fs, *files, **subst_kw)
-
- def SConscriptChdir(self, flag):
- global sconscript_chdir
- sconscript_chdir = flag
-
- def SetOption(self, name, value):
- name = self.subst(name)
- SCons.Script.Main.SetOption(name, value)
-
-#
-#
-#
-SCons.Environment.Environment = SConsEnvironment
-
-def Configure(*args, **kw):
- if not SCons.Script.sconscript_reading:
- raise SCons.Errors.UserError("Calling Configure from Builders is not supported.")
- kw['_depth'] = 1
- return SCons.SConf.SConf(*args, **kw)
-
-# It's very important that the DefaultEnvironmentCall() class stay in this
-# file, with the get_calling_namespaces() function, the compute_exports()
-# function, the Frame class and the SConsEnvironment.Export() method.
-# These things make up the calling stack leading up to the actual global
-# Export() or SConscript() call that the user issued. We want to allow
-# users to export local variables that they define, like so:
-#
-# def func():
-# x = 1
-# Export('x')
-#
-# To support this, the get_calling_namespaces() function assumes that
-# the *first* stack frame that's not from this file is the local frame
-# for the Export() or SConscript() call.
-
-_DefaultEnvironmentProxy = None
-
-def get_DefaultEnvironmentProxy():
- global _DefaultEnvironmentProxy
- if not _DefaultEnvironmentProxy:
- default_env = SCons.Defaults.DefaultEnvironment()
- _DefaultEnvironmentProxy = SCons.Environment.NoSubstitutionProxy(default_env)
- return _DefaultEnvironmentProxy
-
-class DefaultEnvironmentCall(object):
- """A class that implements "global function" calls of
- Environment methods by fetching the specified method from the
- DefaultEnvironment's class. Note that this uses an intermediate
- proxy class instead of calling the DefaultEnvironment method
- directly so that the proxy can override the subst() method and
- thereby prevent expansion of construction variables (since from
- the user's point of view this was called as a global function,
- with no associated construction environment)."""
- def __init__(self, method_name, subst=0):
- self.method_name = method_name
- if subst:
- self.factory = SCons.Defaults.DefaultEnvironment
- else:
- self.factory = get_DefaultEnvironmentProxy
- def __call__(self, *args, **kw):
- env = self.factory()
- method = getattr(env, self.method_name)
- return method(*args, **kw)
-
-
-def BuildDefaultGlobals():
- """
- Create a dictionary containing all the default globals for
- SConstruct and SConscript files.
- """
-
- global GlobalDict
- if GlobalDict is None:
- GlobalDict = {}
-
- import SCons.Script
- d = SCons.Script.__dict__
- def not_a_module(m, d=d, mtype=type(SCons.Script)):
- return not isinstance(d[m], mtype)
- for m in filter(not_a_module, dir(SCons.Script)):
- GlobalDict[m] = d[m]
-
- return GlobalDict.copy()
-
-# Local Variables:
-# tab-width:4
-# indent-tabs-mode:nil
-# End:
-# vim: set expandtab tabstop=4 shiftwidth=4: