Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(434)

Unified Diff: scons-2.0.1/engine/SCons/Scanner/Dir.py

Issue 6711079: Added an unmodified copy of SCons to third_party. (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/third_party/
Patch Set: '' Created 9 years, 9 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « scons-2.0.1/engine/SCons/Scanner/D.py ('k') | scons-2.0.1/engine/SCons/Scanner/Fortran.py » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: scons-2.0.1/engine/SCons/Scanner/Dir.py
===================================================================
--- scons-2.0.1/engine/SCons/Scanner/Dir.py (revision 0)
+++ scons-2.0.1/engine/SCons/Scanner/Dir.py (revision 0)
@@ -0,0 +1,109 @@
+#
+# 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/Scanner/Dir.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import SCons.Node.FS
+import SCons.Scanner
+
+def only_dirs(nodes):
+ is_Dir = lambda n: isinstance(n.disambiguate(), SCons.Node.FS.Dir)
+ return list(filter(is_Dir, nodes))
+
+def DirScanner(**kw):
+ """Return a prototype Scanner instance for scanning
+ directories for on-disk files"""
+ kw['node_factory'] = SCons.Node.FS.Entry
+ kw['recursive'] = only_dirs
+ return SCons.Scanner.Base(scan_on_disk, "DirScanner", **kw)
+
+def DirEntryScanner(**kw):
+ """Return a prototype Scanner instance for "scanning"
+ directory Nodes for their in-memory entries"""
+ kw['node_factory'] = SCons.Node.FS.Entry
+ kw['recursive'] = None
+ return SCons.Scanner.Base(scan_in_memory, "DirEntryScanner", **kw)
+
+skip_entry = {}
+
+skip_entry_list = [
+ '.',
+ '..',
+ '.sconsign',
+ # Used by the native dblite.py module.
+ '.sconsign.dblite',
+ # Used by dbm and dumbdbm.
+ '.sconsign.dir',
+ # Used by dbm.
+ '.sconsign.pag',
+ # Used by dumbdbm.
+ '.sconsign.dat',
+ '.sconsign.bak',
+ # Used by some dbm emulations using Berkeley DB.
+ '.sconsign.db',
+]
+
+for skip in skip_entry_list:
+ skip_entry[skip] = 1
+ skip_entry[SCons.Node.FS._my_normcase(skip)] = 1
+
+do_not_scan = lambda k: k not in skip_entry
+
+def scan_on_disk(node, env, path=()):
+ """
+ Scans a directory for on-disk files and directories therein.
+
+ Looking up the entries will add these to the in-memory Node tree
+ representation of the file system, so all we have to do is just
+ that and then call the in-memory scanning function.
+ """
+ try:
+ flist = node.fs.listdir(node.abspath)
+ except (IOError, OSError):
+ return []
+ e = node.Entry
+ for f in filter(do_not_scan, flist):
+ # Add ./ to the beginning of the file name so if it begins with a
+ # '#' we don't look it up relative to the top-level directory.
+ e('./' + f)
+ return scan_in_memory(node, env, path)
+
+def scan_in_memory(node, env, path=()):
+ """
+ "Scans" a Node.FS.Dir for its in-memory entries.
+ """
+ try:
+ entries = node.entries
+ except AttributeError:
+ # It's not a Node.FS.Dir (or doesn't look enough like one for
+ # our purposes), which can happen if a target list containing
+ # mixed Node types (Dirs and Files, for example) has a Dir as
+ # the first entry.
+ return []
+ entry_list = sorted(filter(do_not_scan, list(entries.keys())))
+ return [entries[n] for n in entry_list]
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
Property changes on: scons-2.0.1/engine/SCons/Scanner/Dir.py
___________________________________________________________________
Added: svn:eol-style
+ LF
« no previous file with comments | « scons-2.0.1/engine/SCons/Scanner/D.py ('k') | scons-2.0.1/engine/SCons/Scanner/Fortran.py » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698