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  • Committer: John Arbash Meinel
  • Date: 2005-07-11 22:24:03 UTC
  • mto: (1185.11.1)
  • mto: This revision was merged to the branch mainline in revision 1396.
  • Revision ID: john@arbash-meinel.com-20050711222403-5dc86e254b69f7ab
Remote functionality work.
Added lock_read/write() to Transport.
Turns out that both urllib2 and urlgrabber don't let you
seek on files that are returned, and GzipFile wants to
seek on the file when it is read. So instead,
we check, and wrap in a StringIO when required.

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bzrlib/transport.py
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        """
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        raise NotImplementedError
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    def relpath(self, abspath):
 
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        """Return the local path portion from a given absolute path.
 
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        """
 
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        raise NotImplementedError
 
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    def get_multi(self, relpaths, decode=False, pb=None):
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        """Get a list of file-like objects, one for each entry in relpaths.
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        """
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        raise NotImplementedError
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    def lock_read(self, relpath):
 
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        """Lock the given file for shared (read) access.
 
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        WARNING: many transports do not support this, so trying avoid using it
 
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        :return: A lock object, which should contain an unlock() function.
 
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        """
 
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        raise NotImplementedError
 
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    def lock_write(self, relpath):
 
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        """Lock the given file for exclusive (write) access.
 
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        WARNING: many transports do not support this, so trying avoid using it
 
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        :return: A lock object, which should contain an unlock() function.
 
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        """
 
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        raise NotImplementedError
 
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def transport(base):
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    if base is None:
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        base = '.'