add hg and python

1 files changed, 52 insertions, 0 deletions

diff --git a/sys/src/cmd/hg/mercurial/pure/osutil.py b/sys/src/cmd/hg/mercurial/pure/osutil.py
new file mode 100644
index 000000000..86e8291f6
--- /dev/null
+++ b/sys/src/cmd/hg/mercurial/pure/osutil.py
@@ -0,0 +1,52 @@
+# osutil.py - pure Python version of osutil.c
+#
+#  Copyright 2009 Matt Mackall <mpm@selenic.com> and others
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2, incorporated herein by reference.
+
+import os
+import stat as _stat
+
+posixfile = open
+
+def _mode_to_kind(mode):
+    if _stat.S_ISREG(mode): return _stat.S_IFREG
+    if _stat.S_ISDIR(mode): return _stat.S_IFDIR
+    if _stat.S_ISLNK(mode): return _stat.S_IFLNK
+    if _stat.S_ISBLK(mode): return _stat.S_IFBLK
+    if _stat.S_ISCHR(mode): return _stat.S_IFCHR
+    if _stat.S_ISFIFO(mode): return _stat.S_IFIFO
+    if _stat.S_ISSOCK(mode): return _stat.S_IFSOCK
+    return mode
+
+def listdir(path, stat=False, skip=None):
+    '''listdir(path, stat=False) -> list_of_tuples
+
+    Return a sorted list containing information about the entries
+    in the directory.
+
+    If stat is True, each element is a 3-tuple:
+
+      (name, type, stat object)
+
+    Otherwise, each element is a 2-tuple:
+
+      (name, type)
+    '''
+    result = []
+    prefix = path
+    if not prefix.endswith(os.sep):
+        prefix += os.sep
+    names = os.listdir(path)
+    names.sort()
+    for fn in names:
+        st = os.lstat(prefix + fn)
+        if fn == skip and _stat.S_ISDIR(st.st_mode):
+            return []
+        if stat:
+            result.append((fn, _mode_to_kind(st.st_mode), st))
+        else:
+            result.append((fn, _mode_to_kind(st.st_mode)))
+    return result
+