Mercurial > hg-stable
changeset 14089:d3f7e110c3c0
opener: introduce an abstact superclass of it
Currently, this class doesn't do anything useful.
| author | Dan Villiom Podlaski Christiansen <danchr@gmail.com> |
|---|---|
| date | Sat, 30 Apr 2011 19:36:48 +0200 |
| parents | e83ced8b6464 |
| children | e24b5e3c2f27 |
| files | mercurial/scmutil.py |
| diffstat | 1 files changed, 8 insertions(+), 1 deletions(-) [+] |
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--- a/mercurial/scmutil.py Sat Apr 30 19:42:00 2011 +0200 +++ b/mercurial/scmutil.py Sat Apr 30 19:36:48 2011 +0200 @@ -129,7 +129,14 @@ # want to add "foo/bar/baz" before checking if there's a "foo/.hg" self.auditeddir.update(prefixes) -class opener(object): +class abstractopener(object): + """Abstract base class; cannot be instantiated""" + + def __init__(self, *args, **kwargs): + '''Prevent instantiation; don't call this from subclasses.''' + raise NotImplementedError('attempted instantiating ' + str(type(self))) + +class opener(abstractopener): '''Open files relative to a base directory This class is used to hide the details of COW semantics and