Alias plugin. Fixes #1523

1 files changed, 40 insertions, 0 deletions

diff --git a/plugins/alias.py b/plugins/alias.py
new file mode 100644
index 00000000..eb596332
--- /dev/null
+++ b/plugins/alias.py
@@ -0,0 +1,40 @@
+from plugin import BasePlugin
+
+class Plugin(BasePlugin):
+    def init(self):
+        self.add_command('alias', self.command_alias, '/alias <alias> <command> <args>\nAlias: create an alias command')
+        self.add_command('unalias', self.command_unalias, '/unalias <alias>\nUnalias: remove a previously created alias')
+        self.commands = {}
+
+    def command_alias(self, line):
+        arg = line.split()
+        if len(arg) < 2:
+            self.core.information('Alias: Not enough parameters', 'Error')
+            return
+        alias = arg[0]
+        command = arg[1]
+        post_args = ' '.join(arg[2:])
+
+        if alias in self.core.commands or alias in self.commands:
+            self.core.information('Alias: command already exists', 'Error')
+            return
+        self.commands[alias] = lambda args: self.get_command(command)(post_args+args)
+        self.add_command(alias, self.commands[alias], 'This command is an alias for /%s %s' % (command, post_args))
+        self.core.information('Alias /%s successfuly created' % alias, 'Info')
+
+    def command_unalias(self, alias):
+        if alias in self.commands:
+            del self.commands[alias]
+            self.del_command(alias)
+            self.core.information('Alias /%s successfuly deleted' % alias, 'Info')
+
+    def get_command(self, name):
+        """Returns the function associated with a command"""
+        def dummy(args):
+            """Dummy function called if the command doesn’t exist"""
+            pass
+        if name in self.core.commands:
+            return self.core.commands[name][0]
+        elif name in self.core.current_tab().commands:
+            return self.core.current_tab().commands[name][0]
+        return dummy