Add ra shell.

diff --git a/examples/ra_shell.py b/examples/ra_shell.py
new file mode 100755 (executable)
index 0000000..d7059de
--- /dev/null
+++ b/examples/ra_shell.py
@@ -0,0 +1,98 @@
+#!/usr/bin/python
+
+import cmd
+import subvertpy
+from subvertpy.ra import RemoteAccess
+import sys
+
+if len(sys.argv) == 1:
+    print "Usage: %s <url>" % sys.argv
+
+url = sys.argv[1]
+
+conn = RemoteAccess(url)
+
+def log_printer(changed_paths, rev, revprops, has_children=None):
+    print "=" * 79
+    print "%d:" % rev
+    print "Revision properties:"
+    for entry in revprops.items(): 
+        print "  %s: %s" % entry
+    print ""
+    
+    print "Changed paths:"
+    for path, (action, from_path, from_rev) in changed_paths.iteritems():
+        print "  %s (%s)" % (path, action)
+
+
+class RaCmd(cmd.Cmd):
+
+    @staticmethod
+    def parse_path_revnum(line):
+        args = line.split(" ")
+        if len(args) == 0:
+            return ".", -1
+        elif len(args) == 1:
+            return args[0], -1
+        elif len(args) == 2:
+            return args[0], int(args[1])
+        else:
+            raise Exception("Too much arguments (%r), expected 2" % (args,))
+
+    def do_help(self, args):
+        for name in sorted(self.__class__.__dict__):
+            if name.startswith("do_"):
+                print name[3:]
+
+    def do_stat(self, args):
+        path, revnum = self.parse_path_revnum(args)
+        print conn.stat(path, revnum)
+
+    def do_ls(self, args):
+        path, revnum = self.parse_path_revnum(args)
+        (dirents, fetched_rev, props) = conn.get_dir(path, revnum)
+        for name in dirents:
+            print name
+
+    def do_cat(self, args):
+        path, revnum = self.parse_path_revnum(args)
+        (fetched_rev, props) = conn.get_file(path, sys.stdout, revnum)
+
+    def do_reparent(self, args):
+        conn.reparent(args)
+
+    def do_set_revprop(self, args):
+        (revnum, name, value) = args.split(" ", 2)
+        conn.change_rev_prop(int(revnum), name, value)
+
+    def do_has_capability(self, args):
+        print conn.has_capability(args)
+
+    def do_revprops(self, args):
+        for item in conn.rev_proplist(int(args)).iteritems():
+            print "%s: %s" % item
+
+    def do_check_path(self, args):
+        path, revnum = self.parse_path_revnum(args)
+        kind = conn.check_path(path, revnum)
+        if kind == subvertpy.NODE_DIR:
+            print "dir"
+        elif kind == subvertpy.NODE_FILE:
+            print "file"
+        else:
+            print "nonexistant"
+
+    def do_uuid(self, args):
+        print conn.get_uuid()
+
+    def do_get_repos_root(self, args):
+        print conn.get_repos_root()
+
+    def do_log(self, args):
+        conn.get_log(callback=log_printer, paths=None, start=0, 
+                     end=conn.get_latest_revnum(), discover_changed_paths=True)
+
+cmdline = RaCmd()
+cmdline.cmdloop()
+
+