diff options
Diffstat (limited to 'cmd2/cmd2.py')
-rwxr-xr-x | cmd2/cmd2.py | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/cmd2/cmd2.py b/cmd2/cmd2.py index 02ae96fe..43fd99ec 100755 --- a/cmd2/cmd2.py +++ b/cmd2/cmd2.py @@ -338,7 +338,6 @@ class Cmd(cmd.Cmd): # Attributes used to configure the StatementParser, best not to change these at runtime blankLinesAllowed = False multiline_commands = [] - redirector = '>' # for sending output to file shortcuts = {'?': 'help', '!': 'shell', '@': 'load', '@@': '_relative_load'} aliases = dict() terminators = [';'] @@ -1149,29 +1148,26 @@ class Cmd(cmd.Cmd): if len(raw_tokens) > 1: - # Build a list of all redirection tokens - all_redirects = constants.REDIRECTION_CHARS + ['>>'] - # Check if there are redirection strings prior to the token being completed seen_pipe = False has_redirection = False for cur_token in raw_tokens[:-1]: - if cur_token in all_redirects: + if cur_token in constants.REDIRECTION_TOKENS: has_redirection = True - if cur_token == '|': + if cur_token == constants.REDIRECTION_PIPE: seen_pipe = True # Get token prior to the one being completed prior_token = raw_tokens[-2] # If a pipe is right before the token being completed, complete a shell command as the piped process - if prior_token == '|': + if prior_token == constants.REDIRECTION_PIPE: return self.shell_cmd_complete(text, line, begidx, endidx) # Otherwise do path completion either as files to redirectors or arguments to the piped process - elif prior_token in all_redirects or seen_pipe: + elif prior_token in constants.REDIRECTION_TOKENS or seen_pipe: return self.path_complete(text, line, begidx, endidx) # If there were redirection strings anywhere on the command line, then we @@ -1820,7 +1816,7 @@ class Cmd(cmd.Cmd): # We want Popen to raise an exception if it fails to open the process. Thus we don't set shell to True. try: - self.pipe_proc = subprocess.Popen(shlex.split(statement.pipe_to), stdin=subproc_stdin) + self.pipe_proc = subprocess.Popen(statement.pipe_to, stdin=subproc_stdin) except Exception as ex: # Restore stdout to what it was and close the pipe self.stdout.close() @@ -1834,24 +1830,30 @@ class Cmd(cmd.Cmd): raise ex elif statement.output: if (not statement.output_to) and (not can_clip): - raise EnvironmentError('Cannot redirect to paste buffer; install ``xclip`` and re-run to enable') + raise EnvironmentError("Cannot redirect to paste buffer; install 'pyperclip' and re-run to enable") self.kept_state = Statekeeper(self, ('stdout',)) self.kept_sys = Statekeeper(sys, ('stdout',)) self.redirecting = True if statement.output_to: + # going to a file mode = 'w' - if statement.output == 2 * self.redirector: + # statement.output can only contain + # REDIRECTION_APPEND or REDIRECTION_OUTPUT + if statement.output == constants.REDIRECTION_APPEND: mode = 'a' sys.stdout = self.stdout = open(os.path.expanduser(statement.output_to), mode) else: + # going to a paste buffer sys.stdout = self.stdout = tempfile.TemporaryFile(mode="w+") - if statement.output == '>>': + if statement.output == constants.REDIRECTION_APPEND: self.poutput(get_paste_buffer()) def _restore_output(self, statement): - """Handles restoring state after output redirection as well as the actual pipe operation if present. + """Handles restoring state after output redirection as well as + the actual pipe operation if present. - :param statement: Statement object which contains the parsed input from the user + :param statement: Statement object which contains the parsed + input from the user """ # If we have redirected output to a file or the clipboard or piped it to a shell command, then restore state if self.kept_state is not None: |