diff options
Diffstat (limited to 'Lib/cmd.py')
| -rw-r--r-- | Lib/cmd.py | 34 |
1 files changed, 21 insertions, 13 deletions
@@ -47,10 +47,13 @@ class Cmd: identchars = IDENTCHARS ruler = '=' lastcmd = '' + cmdqueue = [] intro = None + doc_leader = "" doc_header = "Documented commands (type help <topic>):" misc_header = "Miscellaneous help topics:" undoc_header = "Undocumented commands:" + nohelp = "*** No help on %s" def __init__(self): pass @@ -62,20 +65,24 @@ class Cmd: print self.intro stop = None while not stop: - try: - line = raw_input(self.prompt) - except EOFError: - line = 'EOF' - self.precmd() + if self.cmdqueue: + line = self.cmdqueue[0] + del self.cmdqueue[0] + else: + try: + line = raw_input(self.prompt) + except EOFError: + line = 'EOF' + line = self.precmd(line) stop = self.onecmd(line) - self.postcmd() + stop = self.postcmd(stop, line) self.postloop() - def precmd(self): - pass + def precmd(self, line): + return line - def postcmd(self): - pass + def postcmd(self, stop, line): + return stop def preloop(self): pass @@ -108,7 +115,8 @@ class Cmd: return func(arg) def emptyline(self): - return self.onecmd(self.lastcmd) + if self.lastcmd: + return self.onecmd(self.lastcmd) def default(self, line): print '*** Unknown syntax:', line @@ -119,7 +127,7 @@ class Cmd: try: func = getattr(self, 'help_' + arg) except: - print '*** No help on', `arg` + print self.nohelp % (arg,) return func() else: @@ -138,7 +146,7 @@ class Cmd: del help[cmd] else: cmds_undoc.append(cmd) - print + print self.doc_leader self.print_topics(self.doc_header, cmds_doc, 15,80) self.print_topics(self.misc_header, help.keys(),15,80) self.print_topics(self.undoc_header, cmds_undoc, 15,80) |