diff options
Diffstat (limited to 'ranger/applications.py')
| -rw-r--r-- | ranger/applications.py | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/ranger/applications.py b/ranger/applications.py index 37358e12..210028c9 100644 --- a/ranger/applications.py +++ b/ranger/applications.py @@ -158,8 +158,12 @@ class AppContext(object): """ Run the application in the way specified by the options. - This function ensures that there is an action. + Returns False if nothing can be done, None if there was an error, + otherwise the process object returned by Popen(). + + This function tries to find an action if none is defined. """ + self.squash_flags() if self.action is None: self.get_action() @@ -172,7 +176,7 @@ class AppContext(object): kw['args'] = self.action if kw['args'] is None: - return None + return False for word in ('shell', 'stdout', 'stdin', 'stderr'): if getattr(self, word) is not None: @@ -182,26 +186,42 @@ class AppContext(object): kw['stdout'] = kw['stderr'] = kw['stdin'] = devnull # --------------------------- run them + toggle_ui = True + pipe_output = False + process = None + if 'p' in self.flags: kw['stdout'] = PIPE kw['stderr'] = PIPE - process1 = Popen(**kw) - process2 = run(app='pager', stdin=process1.stdout, fm=self.fm) - return process2 + toggle_ui = False + pipe_output = True + self.wait = False - elif 'd' in self.flags: - process = Popen(**kw) - return process + if 'd' in self.flags: + toggle_ui = False + self.wait = False - else: + if toggle_ui: self._activate_ui(False) + + try: try: process = Popen(**kw) + except: + if self.fm: + self.fm.notify("Failed to run: " + \ + ' '.join(kw['args']), bad=True) + else: if self.wait: waitpid_no_intr(process.pid) - finally: + finally: + if toggle_ui: self._activate_ui(True) - return process + + if pipe_output and process: + return run(app='pager', stdin=process.stdout, fm=self.fm) + + return process def _activate_ui(self, boolean): if self.fm and self.fm.ui: |