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Implemented show help on ? key press #26

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Implemented show help on ? key press #26

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3 changes: 2 additions & 1 deletion ishell/command.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,8 @@ def run(self, line):
_print("Exec %s(line=%s), overwrite this method!" % (self.name, line))
return

print("\nIncomplete Command: %s\n" % line)
if len(str(line)) > 0 and line[-1] != "?":
print("\nIncomplete Command: %s\n" % line)
self.print_childs_help()

def __repr__(self):
Expand Down
23 changes: 22 additions & 1 deletion ishell/console.py
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,8 @@ def walk(self, buf, state, run=False, full_line=None):
return cmd.complete(line_commands[1:], buf, state, run, full_line)

if run:
print("Unknown Command: %s" % buf)
if buf != "?":
print("Unknown Command: %s" % buf)
self.print_childs_help()
return
# Needing completion
Expand Down Expand Up @@ -79,20 +80,40 @@ def exit(self):
def loop(self):
previous_completer = readline.get_completer()
readline.parse_and_bind("tab: complete")
readline.parse_and_bind('?: "--help^\n"')
readline.set_completer(self.walk)
prompt = self.prompt + self.prompt_delim
if not ishell._current_prompt:
previous_prompt = prompt
else:
previous_prompt = ishell._current_prompt
ishell._current_prompt = prompt
previous_command = ""
while 1:
try:
sys.stdout.write("\r")
if self._exit:
break
sys.stdout.write("\033[K")
readline.set_startup_hook(
lambda: readline.insert_text(previous_command))
input_ = input(prompt + " ")
readline.set_startup_hook()
if len(str(input_)) >= 7 and input_[-7:] == "--help^":
sys.stdout.write('\x1b[1A')
sys.stdout.write('\x1b[2K')
input_ = input_[:-7] + "?"
previous_command = input_[0:-1]
history_len = readline.get_current_history_length()
readline.remove_history_item(history_len - 1)
if len(str(input_)) > 1 and input_[-2] != " ":
previous_command += "?"
continue
else:
readline.add_history(previous_command + "?")
print(prompt + " " + previous_command + "?")
else:
previous_command = ""
if not input_.strip():
self.print_childs_help()
elif input_ in ('quit', 'exit'):
Expand Down