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Viewing changes to bzrlib/ui/__init__.py

  • Committer: Martin Pool
  • Date: 2009-09-23 06:25:16 UTC
  • mto: This revision was merged to the branch mainline in revision 4745.
  • Revision ID: mbp@sourcefrog.net-20090923062516-3fi9kj18c0yuhd5w
Add UIFactory.show_error, show_warning, show_message

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bzrlib/ui/__init__.py
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        """
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        pass
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    def show_error(self, msg):
 
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        """Show an error message (not an exception) to the user.
 
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        The message should not have an error prefix or trailing newline.  That
 
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        will be added by the factory if appropriate. 
 
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        """
 
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        raise NotImplementedError(self.show_error)
 
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    def show_message(self, msg):
 
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        """Show a message to the user."""
 
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        raise NotImplementedError(self.show_message)
 
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    def show_warning(self, msg):
 
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        """Show a warning to the user."""
 
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        raise NotImplementedError(self.show_warning)
 
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class CLIUIFactory(UIFactory):
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    def get_username(self, prompt, **kwargs):
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        return None
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    def show_error(self, msg):
 
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        pass
 
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class CannedInputUIFactory(SilentUIFactory):
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    """A silent UI that return canned input."""