Use ldap.explode_dn() instead of string.split() for breaking dn into components

Demo/simplebrowse.py

@@ -0,0 +1,128 @@
+#! python
+
+#
+# simple LDAP server browsing example
+#
+
+import ldap
+import string
+from traceback import print_exc
+
+url = "ldap://ldap.openldap.org/"
+dn = "dc=openldap,dc=org"
+
+print "Connecting to", url
+
+l = ldap.initialize(url)
+l.bind_s("", "", ldap.AUTH_SIMPLE);
+
+lastdn = dn
+dnlist = None
+
+while 1:
+
+    #-- read a command
+    try:
+        cmd = raw_input(dn + "> ")
+    except EOFError:
+	print
+	break
+
+    try:
+
+	if cmd == "?":
+		print  "cd <dn>	- change DN to <dn>"
+		print  "cd <n>	- change DN to number <n> of last 'ls'"
+		print  "cd -	- change to previous DN"
+		print  "cd ..	- change to one-level higher DN"
+		print  "cd 	- change to root DN"
+		print  "ls	- list children of crrent DN"
+		print  ".	- show attributes of current DN"
+		print  "/<expr>	- list descendents matching filter <expr>"
+		print  "?	- show this help"
+
+	elif cmd == "ls":
+		print "Children of", `dn`, ":"
+		dnlist = []
+		#
+		# List the children at one level down from the current dn
+		# We use the filter 'objectclass=*' to match everything.
+		# We're not interested in attributes at this stage, so
+		# we specify [] as the list of attribute names to retreive.
+		#
+		for name,attrs in l.search_s(dn, ldap.SCOPE_ONELEVEL, 
+		    "objectclass=*", []):
+			#-- shorten resulting dns for output brevity
+			if name.startswith(dn+", "):
+				shortname = "+ "+name[len(dn)+2:]
+			elif name.endswith(", "+dn):
+				shortname = name[:-len(dn)-2]+" +"
+			else:
+				shortname = name
+			print " %3d. %s" % (len(dnlist), shortname)
+			dnlist.append(name)
+
+	elif cmd == "cd":
+		dn = ""
+		dnlist = None
+
+	elif cmd.startswith("cd "):
+		arg = cmd[3:]
+		if arg == '-':
+			lastdn,dn = dn,lastdn
+		elif arg == '..':
+			dn = string.join(ldap.explode_dn(dn)[1:], ",")
+			dn = string.strip(dn)
+                else:
+		        try:
+			        i = int(arg)
+		        except:
+			        godn = arg
+                        else:
+			        if dnlist is None:
+				        print "do an ls first"
+                                else:
+			                godn = dnlist[i]
+		                lastdn = dn
+		                dn = godn
+
+	elif cmd == ".":
+		#
+		# Retrieve all the attributes for the current dn.
+		# We construct a search using SCOPE_BASE (ie just the
+		# given DN) and again filter with "objectclass=*".
+		# No attributes are listed, so the default is for
+		# the client to receive all attributes on the DN.
+		#
+		print "Attributes of", `dn`, ":"
+		for name,attrs in l.search_s(dn, ldap.SCOPE_BASE,
+		    "objectclass=*"):
+			print "  %-24s" % name
+			for k,vals in attrs.items():
+			    for v in vals:
+				if len(v) > 200: 
+					v = `v[:200]` + \
+						("... (%d bytes)" % len(v))
+				else:
+					v = `v`
+				print "      %-12s: %s" % (k, v)
+
+	elif cmd.startswith("/"):
+		#
+		# Search descendent objects to match a given filter.
+		# We use SCOPE_SUBTREE to indicate descendents, and
+		# again specify an empty attribute list to indicate
+		# that we're not interested in them.
+		#
+		expr = cmd[1:]
+		print "Descendents matching filter", `expr`, ":"
+		for name,attrs in l.search_s(dn, ldap.SCOPE_SUBTREE,
+		    expr, []):
+			print "  %24s", name
+
+	else:
+		print "unknown command - try '?' for help"
+
+    except:
+	print_exc()
+