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command: Check for handlers with count and no default.

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This commit is contained in:
Florian Bruhin 2014-10-08 07:40:39 +02:00
parent e2763da8d6
commit 1a00d6168c
1 changed files with 4 additions and 0 deletions
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4
qutebrowser/commands/command.py
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@ -174,6 +174,10 @@ class Command:
name_conv = {} name_conv = {}
signature = inspect.signature(self.handler) signature = inspect.signature(self.handler)
has_count = 'count' in signature.parameters has_count = 'count' in signature.parameters
if has_count and (signature.parameters['count'].default is
inspect.Parameter.empty):
raise TypeError("{}: handler has count parameter without "
"default!".format(self.name))
doc = inspect.getdoc(self.handler) doc = inspect.getdoc(self.handler)
if doc is not None: if doc is not None:
desc = doc.splitlines()[0].strip() desc = doc.splitlines()[0].strip()