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[postprocessor:exec] add a better error message (#155)

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Mike Fährmann
2019-01-13 13:59:11 +01:00
parent 89df37a173
commit 5f38ac9609
2 changed files with 8 additions and 2 deletions
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2
gallery_dl/job.py
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@@ -330,7 +330,7 @@ class DownloadJob(Job):
pp_obj = pp_cls(self.pathfmt, pp_dict) pp_obj = pp_cls(self.pathfmt, pp_dict)
except Exception as exc: except Exception as exc:
postprocessor.log.error( postprocessor.log.error(
"%s: initialization failed: %s %s", "'%s' initialization failed: %s: %s",
name, exc.__class__.__name__, exc) name, exc.__class__.__name__, exc)
else: else:
self.postprocessors.append(pp_obj) self.postprocessors.append(pp_obj)

8
gallery_dl/postprocessor/exec.py
View File

@@ -16,7 +16,13 @@ class ExecPP(PostProcessor):
def __init__(self, pathfmt, options): def __init__(self, pathfmt, options):
PostProcessor.__init__(self) PostProcessor.__init__(self)
self.args = options["command"]
try:
self.args = options["command"]
self.args[0] # test if 'args' is subscriptable
except (KeyError, IndexError, TypeError):
raise TypeError("option 'command' must be a non-empty list")
if options.get("async", False): if options.get("async", False):
self._exec = subprocess.Popen self._exec = subprocess.Popen