--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-win32-2.6.1/lib/distutils/dep_util.py Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,96 @@
+"""distutils.dep_util
+
+Utility functions for simple, timestamp-based dependency of files
+and groups of files; also, function based entirely on such
+timestamp dependency analysis."""
+
+# This module should be kept compatible with Python 2.1.
+
+__revision__ = "$Id: dep_util.py 58049 2007-09-08 00:34:17Z skip.montanaro $"
+
+import os
+from distutils.errors import DistutilsFileError
+
+
+def newer (source, target):
+ """Return true if 'source' exists and is more recently modified than
+ 'target', or if 'source' exists and 'target' doesn't. Return false if
+ both exist and 'target' is the same age or younger than 'source'.
+ Raise DistutilsFileError if 'source' does not exist.
+ """
+ if not os.path.exists(source):
+ raise DistutilsFileError, ("file '%s' does not exist" %
+ os.path.abspath(source))
+ if not os.path.exists(target):
+ return 1
+
+ from stat import ST_MTIME
+ mtime1 = os.stat(source)[ST_MTIME]
+ mtime2 = os.stat(target)[ST_MTIME]
+
+ return mtime1 > mtime2
+
+# newer ()
+
+
+def newer_pairwise (sources, targets):
+ """Walk two filename lists in parallel, testing if each source is newer
+ than its corresponding target. Return a pair of lists (sources,
+ targets) where source is newer than target, according to the semantics
+ of 'newer()'.
+ """
+ if len(sources) != len(targets):
+ raise ValueError, "'sources' and 'targets' must be same length"
+
+ # build a pair of lists (sources, targets) where source is newer
+ n_sources = []
+ n_targets = []
+ for i in range(len(sources)):
+ if newer(sources[i], targets[i]):
+ n_sources.append(sources[i])
+ n_targets.append(targets[i])
+
+ return (n_sources, n_targets)
+
+# newer_pairwise ()
+
+
+def newer_group (sources, target, missing='error'):
+ """Return true if 'target' is out-of-date with respect to any file
+ listed in 'sources'. In other words, if 'target' exists and is newer
+ than every file in 'sources', return false; otherwise return true.
+ 'missing' controls what we do when a source file is missing; the
+ default ("error") is to blow up with an OSError from inside 'stat()';
+ if it is "ignore", we silently drop any missing source files; if it is
+ "newer", any missing source files make us assume that 'target' is
+ out-of-date (this is handy in "dry-run" mode: it'll make you pretend to
+ carry out commands that wouldn't work because inputs are missing, but
+ that doesn't matter because you're not actually going to run the
+ commands).
+ """
+ # If the target doesn't even exist, then it's definitely out-of-date.
+ if not os.path.exists(target):
+ return 1
+
+ # Otherwise we have to find out the hard way: if *any* source file
+ # is more recent than 'target', then 'target' is out-of-date and
+ # we can immediately return true. If we fall through to the end
+ # of the loop, then 'target' is up-to-date and we return false.
+ from stat import ST_MTIME
+ target_mtime = os.stat(target)[ST_MTIME]
+ for source in sources:
+ if not os.path.exists(source):
+ if missing == 'error': # blow up when we stat() the file
+ pass
+ elif missing == 'ignore': # missing source dropped from
+ continue # target's dependency list
+ elif missing == 'newer': # missing source means target is
+ return 1 # out-of-date
+
+ source_mtime = os.stat(source)[ST_MTIME]
+ if source_mtime > target_mtime:
+ return 1
+ else:
+ return 0
+
+# newer_group ()