[Zope3-checkins] CVS: Zope3/src/zope/fssync - command.py:1.2

[Fred L. Drake, Jr.]

Update of /cvs-repository/Zope3/src/zope/fssync
In directory cvs.zope.org:/tmp/cvs-serv24703

Modified Files:
	command.py 
Log Message:
add a default "help" command similar to Subversion's if the
application hasn't registered it's own help command


=== Zope3/src/zope/fssync/command.py 1.1 => 1.2 ===
--- Zope3/src/zope/fssync/command.py:1.1	Mon Aug 11 16:55:21 2003
+++ Zope3/src/zope/fssync/command.py	Tue Aug 12 12:51:45 2003
@@ -57,6 +57,8 @@
             self.command_table[n] = cmdinfo
 
     def realize(self, args=None):
+        if "help" not in self.command_table:
+            self.addCommand("help", self.help)
         if args is None:
             args = sys.argv[1:]
         self.global_options, args = self.getopt("global",
@@ -92,3 +94,22 @@
 
     def usage(self, file, text):
         print >>file, text % {"program": self.program}
+
+    def help(self, opts, args):
+        if not args:
+            self.usage(sys.stdout, self.helptext)
+        else:
+            for cmd in args:
+                if cmd not in self.command_table:
+                    print >>sys.stderr, "unknown command:", cmd
+            first = True
+            for cmd in args:
+                cmdinfo = self.command_table.get(cmd)
+                if cmdinfo is None:
+                    continue
+                _, _, func = cmdinfo
+                if first:
+                    first = False
+                else:
+                    print
+                self.usage(sys.stdout, func.__doc__)