diff options
author | Remko Tronçon <git@el-tramo.be> | 2010-04-11 18:14:19 (GMT) |
---|---|---|
committer | Remko Tronçon <git@el-tramo.be> | 2010-04-11 18:14:56 (GMT) |
commit | d9a29f93cd4ff505e264974febd0566ae29880ca (patch) | |
tree | 6eea9e476374863e93c80aacb76840ac24f0c50f /3rdParty/SCons/scons-local/SCons/Node/FS.py | |
parent | 73f845a3f380c5a1adbac2cf29e9f36cc9b498cf (diff) | |
download | swift-d9a29f93cd4ff505e264974febd0566ae29880ca.zip swift-d9a29f93cd4ff505e264974febd0566ae29880ca.tar.bz2 |
Update SCons to 1.3.0.d20100404.
Diffstat (limited to '3rdParty/SCons/scons-local/SCons/Node/FS.py')
-rw-r--r-- | 3rdParty/SCons/scons-local/SCons/Node/FS.py | 94 |
1 files changed, 74 insertions, 20 deletions
diff --git a/3rdParty/SCons/scons-local/SCons/Node/FS.py b/3rdParty/SCons/scons-local/SCons/Node/FS.py index abcd8da..6a435b4 100644 --- a/3rdParty/SCons/scons-local/SCons/Node/FS.py +++ b/3rdParty/SCons/scons-local/SCons/Node/FS.py @@ -11,7 +11,7 @@ that can be used by scripts or modules looking for the canonical default. """ # -# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation +# 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 @@ -33,7 +33,7 @@ that can be used by scripts or modules looking for the canonical default. # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # -__revision__ = "src/engine/SCons/Node/FS.py 4043 2009/02/23 09:06:45 scons" +__revision__ = "src/engine/SCons/Node/FS.py 4761 2010/04/04 14:04:44 bdeegan" from itertools import izip import cStringIO @@ -58,12 +58,46 @@ else: except AttributeError: codecs.BOM_UTF8 = '\xef\xbb\xbf' try: - codecs.BOM_UTF16 + codecs.BOM_UTF16_LE + codecs.BOM_UTF16_BE except AttributeError: - if sys.byteorder == 'little': - codecs.BOM_UTF16 = '\xff\xfe' + codecs.BOM_UTF16_LE = '\xff\xfe' + codecs.BOM_UTF16_BE = '\xfe\xff' + + # Provide a wrapper function to handle decoding differences in + # different versions of Python. Normally, we'd try to do this in the + # compat layer (and maybe it still makes sense to move there?) but + # that doesn't provide a way to supply the string class used in + # pre-2.3 Python versions with a .decode() method that all strings + # naturally have. Plus, the 2.[01] encodings behave differently + # enough that we have to settle for a lowest-common-denominator + # wrapper approach. + # + # Note that the 2.[012] implementations below may be inefficient + # because they perform an explicit look up of the encoding for every + # decode, but they're old enough (and we want to stop supporting + # them soon enough) that it's not worth complicating the interface. + # Think of it as additional incentive for people to upgrade... + try: + ''.decode + except AttributeError: + # 2.0 through 2.2: strings have no .decode() method + try: + codecs.lookup('ascii').decode + except AttributeError: + # 2.0 and 2.1: encodings are a tuple of functions, and the + # decode() function returns a (result, length) tuple. + def my_decode(contents, encoding): + return codecs.lookup(encoding)[1](contents)[0] else: - codecs.BOM_UTF16 = '\xfe\xff' + # 2.2: encodings are an object with methods, and the + # .decode() method returns just the decoded bytes. + def my_decode(contents, encoding): + return codecs.lookup(encoding).decode(contents) + else: + # 2.3 or later: use the .decode() string method + def my_decode(contents, encoding): + return contents.decode(encoding) import SCons.Action from SCons.Debug import logInstanceCreation @@ -554,22 +588,22 @@ class Base(SCons.Node.Node): # Filenames and paths are probably reused and are intern'ed to # save some memory. - self.name = intern(name) - self.suffix = intern(SCons.Util.splitext(name)[1]) + self.name = SCons.Util.silent_intern(name) + self.suffix = SCons.Util.silent_intern(SCons.Util.splitext(name)[1]) self.fs = fs assert directory, "A directory must be provided" - self.abspath = intern(directory.entry_abspath(name)) - self.labspath = intern(directory.entry_labspath(name)) + self.abspath = SCons.Util.silent_intern(directory.entry_abspath(name)) + self.labspath = SCons.Util.silent_intern(directory.entry_labspath(name)) if directory.path == '.': - self.path = intern(name) + self.path = SCons.Util.silent_intern(name) else: - self.path = intern(directory.entry_path(name)) + self.path = SCons.Util.silent_intern(directory.entry_path(name)) if directory.tpath == '.': - self.tpath = intern(name) + self.tpath = SCons.Util.silent_intern(name) else: - self.tpath = intern(directory.entry_tpath(name)) + self.tpath = SCons.Util.silent_intern(directory.entry_tpath(name)) self.path_elements = directory.path_elements + [self] self.dir = directory @@ -1749,7 +1783,7 @@ class Dir(Base): d[name] = result return result else: - return d.has_key(name) + return d.has_key(_my_normcase(name)) memoizer_counters.append(SCons.Memoize.CountValue('srcdir_list')) @@ -1919,7 +1953,9 @@ class Dir(Base): """ dirname, basename = os.path.split(pathname) if not dirname: - return self._glob1(basename, ondisk, source, strings) + result = self._glob1(basename, ondisk, source, strings) + result.sort(lambda a, b: cmp(str(a), str(b))) + return result if has_glob_magic(dirname): list = self.glob(dirname, ondisk, source, strings=False) else: @@ -2074,7 +2110,8 @@ class RootDir(Dir): result = self._lookupDict[k] except KeyError: if not create: - raise SCons.Errors.UserError + msg = "No such file or directory: '%s' in '%s' (and create is False)" % (p, str(self)) + raise SCons.Errors.UserError, msg # There is no Node for this path name, and we're allowed # to create it. dir_name, file_name = os.path.split(p) @@ -2309,10 +2346,27 @@ class File(Base): # it's a valid python string. def get_text_contents(self): contents = self.get_contents() + # The behavior of various decode() methods and functions + # w.r.t. the initial BOM bytes is different for different + # encodings and/or Python versions. ('utf-8' does not strip + # them, but has a 'utf-8-sig' which does; 'utf-16' seems to + # strip them; etc.) Just side step all the complication by + # explicitly stripping the BOM before we decode(). if contents.startswith(codecs.BOM_UTF8): - contents = contents.decode('utf-8') - elif contents.startswith(codecs.BOM_UTF16): - contents = contents.decode('utf-16') + contents = contents[len(codecs.BOM_UTF8):] + # TODO(2.2): Remove when 2.3 becomes floor. + #contents = contents.decode('utf-8') + contents = my_decode(contents, 'utf-8') + elif contents.startswith(codecs.BOM_UTF16_LE): + contents = contents[len(codecs.BOM_UTF16_LE):] + # TODO(2.2): Remove when 2.3 becomes floor. + #contents = contents.decode('utf-16-le') + contents = my_decode(contents, 'utf-16-le') + elif contents.startswith(codecs.BOM_UTF16_BE): + contents = contents[len(codecs.BOM_UTF16_BE):] + # TODO(2.2): Remove when 2.3 becomes floor. + #contents = contents.decode('utf-16-be') + contents = my_decode(contents, 'utf-16-be') return contents def get_content_hash(self): |